Adventures In Audio

You too can have the best loudspeakers in the world

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Purple Rider:  My dad gave me a set of octagon shaped speakers that looked like end tables. I foolishly traded them for an ounce of weed in 1987. And today I regret it with every fibre of my being

pandstar:  I've been building speakers for years, decades. I used to build from scratch, but I haven't kept my knowledge up enough to do that, and relearning is not something I want to partake in.

So, I've been building from kits. There are so many high end kits available, that for me, it doesn't pay to build from scratch anymore. Modern DIY kit designers have come a long way, and the end results of kits, are speakers that easily outperform commercially available speakers that cost substantially more.

My current kit, the late Jeff Bagby's, Auricle monitors (RAAL tweeters, SB Acoustics mid), sitting on a pair of his woofer modules (not subwoofers) , with about $1800 USD invested, easily rival commercially available speakers for $10,000, without exaggeration.

But even given that I'd have to spend over $10K on the commercial market to get something better than my speakers, I am still aware that I do not own the best speakers in the world. My rich cousin owns a pair of Von Schweikert Ultra 55 speakers, at $100,000.00, that easily stomp my speakers, and every $10K speaker I've ever heard.

chris cardwell:  I suppose the scope of your video could be extended to also include the best . . . Active Loudspeakers . . . in the World.
Wilmslow Audio sell both amplifiers and loudspeakers . . .

MGTOW-Balance:  i have built 3-way ribbon tweeter mid-size studio monitors. for the price, and enthusiast level build. personally, i DO think they are some of the best speakers i have ever heard (not exaggerating). but of course, i know they're NOT the best speakers in the world

J. Whisper:  This is BS!

Audio Masterclass replies to J. Whisper: @J. Whisper I could have skin as thin as a grape and your comment would still be saying more about you than it does about me. If you have criticism then go ahead and explain yourself, like my other critical commenters do. DM

J. Whisper replies to J. Whisper: @Audio Masterclass ! You put it out there. You need to be able to take criticism as well as praise. Too thin skinned for this!

Audio Masterclass replies to J. Whisper: If I'm honest, people who can say nothing more than "This is BS!" are pretty feeble too. It would have been a lot easier just to click the dislike button. DM

J. Whisper replies to J. Whisper: @Audio Masterclass ! If you are honest, you would say that many people have built speakers that sound like crap. And 1400 likes in 2 weeks is rather feeble!

Audio Masterclass replies to J. Whisper: The 1462 people, so far, who have liked this video might disagree with you. DM

twochaudio mg:  I've built at least 3 pairs
Of speakers. Not even close to great. Give me some of that stuff you smoke.
You do like to hear yourself talk.

Audio Masterclass replies to twochaudio mg: Oddly enough my YouTube statistics demonstrate that my viewers like to hear me talk too. DM

Paul-Francis Law:  Inspiring🤓

Cat Keys:  LEAK speakers! - That brings back memories. Drivers made of styrofoam sandwiched between thin aluminum sheet., to produce drivers that would not warp during powerful transient excursions. Other than that, though, they were pretty mediocre. But hearing the name Leak brings back memories.

Drazen Babich:  Placebo is a biatch indeed, and most so called "audiophiles" get caught in its loop.

Sound Man:  Cleva chap!

Dead Andburied:  Are you in the US, an Englishman abroad? Talking dollars and an American dollybird "assistant" 😅

Jack:  Not the best in the world, but highly regarded by many and I definitely couldn't make them myself But for the money, and for around $1,200 l would highly recommend the Magnepan LRS +

David Tyler:  In the 1970s I made a copy of the Voice of the Theater speakers for my band! Couldn't afford the real ones!

Crossover Chef:  No

Andrew C.:  I'd rather have an awesome room and good placement.

ShawnGouveia:  Informative and quite humerous. Brilliant! Thank you for this terrific video!

flex 2:  Agreed.
The best speaker in the world until you start comparing them to good commercial speakers. Then you understand how bad they really are.

Mike Saunders:  I made a pair of spiral horns and they are very good but struggle in the low end. I then made a pair of large well braced slot ported reflex enclosures with early 60’s 15 ohm concentric 8” full range drivers and they sound sublime.

John Scot:  There are no "the best in the world" speakers, it is allot of good ones but they just different.

VK H:  Just discovered your channel. Great videos! Thanks very much!

Chuck Maddison:  I have built amplifier's and speakers. I found a YouTube video on open baffle, which got me curious. So I built some with some cheap things and some Motorola tweeters rear facing wired out of phase and no crossover. They reflected off screen ( sound now in phase ) . I did use equalisation as are inefficient at low frequency..
But anyway they sounded quite good and it appeared the sound came from the wall and not the speakers.
My normal speakers are a Dali at a few thousand $$$

HomeTheatre101:  Great video! Love seeing different speakers and the differences between them.

1so Static:  This is one of the worst videos I've ever seen...what are you talking about?

Thomas Leith:  The best speakers in the world would be the size of Infinity US-1s and sound like Magnepan MG-20.7s in a proper room, even though they're in MY room.

David from America:  A lot of truth to this video.
Doing your own research.
You can custom pick your own speakers, build your own speaker cabinets or have someone else make the cabinets for you from the wood you choose.

You have the choice of car audio speakers or home speakers you can buy to suit your particular home situation. I highly recommend doing extensive research on both.

You can buy adjustable speaker crossovers, mount them to the back of the speaker cabinets.

You are in more control, not someone else for you. There are lots of DIY projects on YouTube and the internet from people around the World.

I don’t give recommendations on specific speaker brands. That is too deep a rabbit hole with miles of tunnels in all different directions.
You are building for yourself and your personal situation.

vectragt2310:  Goodmans is THE thing! 🙂

Sinlo Kemp:  I build my own speaker for my band when I was 16 years old. Always fiddled with electronics in the late 90s. This brings back good old memories.

Tore Venheim:  Don't build your own speakers, most people that do end up with crap sound 😢

sK3LeTvM:  Beste studio monitors out there are ATC. And you need to spend 10K for a small pair. End of story. Next please.

bossunimportantstuff:  Making the best speakers is easier now that DSP modules are becoming mainstream. Beyond EQ fixes, harmonic excitation and stage enhancement can make even the boxiest crap sound better.

W/llb:  Well, well. I am the scathing voice here. NORMALLY. today - ?today I completely agree…and as such am now subbed To your channel. I could not afford the speakers i wanted. So i built them. I love them!! Thanks for encouraging others away from the claims and counter claims and settling it once and for all. ❤

Mark Connell:  With a fondness that can only be born of nostalgia, your video reminded me of my years during the 1980s aspiring to construct the ultimate "high-end" speaker system. My Bible was Edward T. Dell, Jr's Speaker Builder magazine. With my favorite issues of this invaluable resource dog eared and highlighted to near oblivion, I time and again struggled through the arcane stages of cabinet and crossover design, parts purchasing, woodworking and finishing. At the zenith of my hobbiest years I once mounted an 8" polypropylene woofer into a rosewood transmission line cabinet supporting a curvilinear electrostatic element with a passive 6 dB/octave crossover. Considering my total cost was little more than $200, its successful comparisons to an early 1980s Magneplanar MG-1 owned by a close friend convinced me that I'd indeed built the best speakers in the world.

James Brewer:  When I build a set of speakers, I start with an inexpensive, pre-assembled crossover and let that limit the range of drivers that might work well, which then determines the box size. So far, has yielded 2 very different sets of the best cheap speakers in the world.

Audio Masterclass replies to James Brewer: Good plan. DM

BBV:  So the people who build their own speakers always think they're the best speakers they ever heard?

Audio Masterclass replies to BBV: The wise words of Paul Klipsch. DM

G Tric:  Built 2 pairs of Speakerlabs back in my day. Still have the Super 7s best speaker’s in the world

Robert Cruz:  I, too, have fond memories of building speakers. As a "starving" student in the early 70s, I built a pair of bookshelf speakers for use in my dorm room. My amp wasn't very powerful, so efficiency was paramount for competing with the more expensive gear in the dorm. I used one 3-way Utah 8-inch speaker for each enclosure, which I made out of 3/4-inch plywood, and a substantial duct tube. The fake "walnut" finish looked awful, but the sound was that of the best loudspeakers in the world!

duncan rmi:  speaking of woofers & tweeters, where were the lasses today? 😂

Audio Masterclass replies to duncan rmi: https://youtu.be/BI9Ha1byrIQ?t=691 DM

Chuck Briggs:  What you say is so true!

I've never owned "store bought enclosures", but boy have I built quite a few different cabinets. I started out with single 12" "full range" speakers in a very pleasing sized box but way too small to get the bass performance I wanted. This was when I was around 16. Then I read about bass reflex cabinets and cut some ports into the too small boxes. The bass was better, but everything else sucked.

A new neighbor moved in next door and one day I heard the most magnificent loud and clean sound coming from his house. I got to know him and it turned out he used a wall in his living room as an infinite baffle. There was a large open stairway on the back side of that wall. Each channel had 2 EV SP15 speakers and an Altec 500 Hz horn. I'd never heard anything like it before. The sound levels he could achieve were unbelievable and I'm surprised nobody called the cops...but he was a cop, so maybe that's why. Sometime later, he decided to replace the SP15s with JBL LE15s and sold me 2 of the EV speakers for next to nothing. This was in 1967.

I used a guide from Electrovoice to "design" properly sized bass reflex cabinets. I was just out of high school and living with my parents at the time. My dad and I cut up the wood and built my cabinets, which were huge. I had them in the basement and when nobody was home, I cranked them up. These were the best speakers I'd ever heard, with the exception of the neighbor's infinite baffle driven with all McIntosh gear. I brought my girlfriend (now wife) over to hear them and she proclaimed them to be the best speakers she'd ever heard.

After we got married, I build a listening room in the basement of our new house. It featured an infinite baffle with 1 SP15 and 1 Altec horn on each side. Now these were the best speakers in the world. I had also built my preamp, power amp and electronic crossovers from scratch and they were the best too.

When we moved to our next house, there wasn't any wall that could be used as an infinite baffle. Someone at work showed me a catalog from a company in Seattle that offered various speaker kits as well as plans. Speakerlab was their name and they offered a set of very detailed plans to build a clone of the Klipschorn as well as a kit. This was a woodworking nightmare from hell with all the compound angled cuts and many pieces to make the folded horn. A pair required 5 sheets of 1/2" plywood and 2 sheets of 3/4" walnut veneered plywood. I bought the plans and built a pair. They were beautiful and looked just like the real thing. I used my EV SP15 in the bass bin and the Altec horn along with a new EV tweeter. These now were the best speakers in the world and even my old neighbor with the infinite baffle said so when he heard them. The only problem was that when friends heard them, they wanted a pair too. I think in total I built 5 pairs for other people. This was in 1978 and I still have them today. They're now bi-amped with home built electronic crossovers and lateral MOSFET power amps. My most recent upgrade was the addition of DSP equalization. I'm old now and I know there are better speakers than mine, but the built in low pass filters in my ears probably couldn't tell the difference.

Audio Masterclass replies to Chuck Briggs: A lot of people talk or dream about using a wall as an infinite baffle but your neighbour walked the walk. DM

Lou Skimming:  You really put me in mind of Joe Biden, a walking talking pretentiousness blowhard. Never underestimate your ability to toss physics, logic, and reality to the wind. Here is someone I often disagree with, he likes speakers you would probably like, older Vandersteens for instance. He'd call them warm, I'd call them dull. They mask details. He's not a flat earther though. Master, not even off a tricycle yet Jr.

https://youtu.be/7gXSvHDOjFs

Trevor Bartram:  My Tabors: https://drive.google.com/file/d/1z5W0j3Cu3cPuN7sPoWXmBCmxNuGDoJAN/view?usp=sharing

Tony french:  He never shuts up.

Audio Masterclass replies to Tony french: I take encouragement when I get it. DM

koont:  My dad built two x 8" woofers (kef) not sure what make the 2" tweeters where,but these where the best heavy bass crisp tops quite big deep boxes ,20 years later i removed the 2",treeter and replaced the whole with a thick cardboard tube As port used them as bass ,a mate of mine still has them goung strong ❤🇬🇧🍀🇮🇪

luedriver:  this video just makes me wish I could afford and make some M OJAS Bookshelf Speaker even more

Audio Masterclass replies to luedriver: A link for curious commenter readers https://ojas.nyc/ DM

David Stakes:  Still have my Leak Sandwich 600s Good grief must be over or close to 50yrs old still sound good to me.

Audio Masterclass replies to David Stakes: If they work and sound good there's no reason to change. DM

Joe Cue:  Philharmonic BMR

David Carr:  HiFi is a form of self-delusion, full stop. It's like going to see a magician. So you're sitting there with the rest of the audience enjoying the show. The magician starts sawing his beautiful assistant in half and blood begins dripping on the floor. She whimpers gently. Everyone is clinging onto their chairs, gasping in disbelief. Some can't bear to watch and have to turn away or close their eyes and cover their ears. Then, this guy at the back stands up (btw his name is Amir) and shouts it's all bullshit, she's under the table 😁.

Joe King:  best video on the internet!

Robert Williams:  The last live music I heard was composed, played on a guitar and sung by an up and coming East Anglian artist in my small office. I looked straight at her, of course, so I guess heard the same thing you have described live. We were talking about recording her in a room with an amazing natural echo, which will add controlled stereo ambience to an otherwise mono recording. I certainly won't be adding any mid-range 'bump'. (BTW as I'm not a professional and have vintage gear I will be using two to four preamped mics into an A3340 at 15 ips and a separate digital recorder, and mixing the result down to stereo using a 43-y-o A+H mixer. I guess you won't be impressed with that!) Sorry, I was trying to comment on your post about the near field hearing effect dead centre.

Peter Rosewall-Davison:  I indeed have also built 'the best speakers in the world' (with help from my Dad). Made with 5" Vifa Woofers and Philips Ribbon Tweeters with some random cross-over from a local electronics chain in Australia (Jaycar). Designed using a BASIC computer program from a book (Designing, Building and Testing Your Own Speaker System by David B. Weems). 25 years and still going strong!

McDunk:  My oldman built some nice outdoor speakers (probably the best ever )by molding cabinets from an old moon-hopper

Henrik Sørensen:  I have the best speakers i have ever listened to. Audiovector R1 Arreté

Audio Masterclass replies to Henrik Sørensen: A link for comment readers https://audiovector.com/r-1/ Expect to pay more than $5000 DM

Arthur Watts:  We still seem to be ignoring the single most important component - our ears notwithstanding - but to do it properly costs considerably more than a thousand quid.

Jeff Goodnough:  This is where I am now, on a father-of-two-kids schedule, but I have the book and I'm excited.

coma13794:  Always appreciate your videos! I have taken a slightly different approach with my listening. When we moved to this house, it came with a sound system that was well beyond anything I would've put together (Krell amp, Krell pre-amp, Sonus Faber Concerto speakers and a REL sub). The Krell needed repair (dried out capacitors) and the room needed to be re-arranged for better placement. Prior to this, I didn't have any systems of any note, although my brother had owned a few that I'd enjoyed listening to from time to time. The sub died shortly after moving in so I replaced it with a modern REL equivalent, not for music but for surround entertainment. I listen in 2 channel for music and 5.1 for movies. I am absolutely ecstatic with the 2 channel performance. Having tested it out as thoroughly as I can, there is nothing lacking to my ear. As such, the ONLY thing I do when I listen to it now is simply enjoy it. I primarily listen to prog rack, some very specific classical concertos and Julian Lage (a jazz guitarist). Listening to the delicate work of a 3 piece jazz trio really makes the hairs on my arm stand up, especially with quality recordings.

A friend of mine, on the other hand, is always talking about upgrading his setup (2 channel, vinyl with a tube amp), to the point where I'm not really sure how much he's allowing himself to enjoy the music he owns. TLDR: if you're happy with the music you're hearing and can't pick out any artifacts, then stop chasing upgrades and enjoy the hell out of it.

Josha Beukema:  I've built myself quad speaker 3 way with diy cross overs with good phase impedance and spl. To my ears they are the best in the world 😅
It was certainly a steep learning curve without books, kits etc. just public info on the internet. I've taught myself building and cnc-ing enclosures, xsim, rew and how to use umik1 and measure impedance with a usb sound 'card'. Used high quality cross over parts. Also made sure the room curve measures well at listening position. Even applied some room treatment. I've probably sunk 2k euros into it but I really enjoy worlds best music on my worlds best audio system tweaked to my tastes!

Digital Vinyls:  THIS MAN KNOWS! I also built several speakers, there's no man that don't like them. From al of theml, I prefer my 3-way with 8" bass. It was originally built from ex-Yugoslavia factory, Peerless licensed speakers. It has many flaws - it was closed box design, that wasn't properly sealed, crossover network was built with 12-6-12 dB/oct design, with no -6dB attenuation in crossing point. Woofer lowpass point was around 1500 Hz, waaaay high, it was shrill as hell (all woofer has distortion in mid-high tones). Phase was messed up. Capacitors was electrolytic. I use Linkwitz design crossover, lower woofer lowpass point to about 500Hz, with impedance Zobel equalizer, polipropilene capacitors for mid and tweeter, with correct phase. All with little help from Visatone Boxsim simulator. Box was sealed with plasteline (non-dry modeling clay), box inside was coated with anti-vibration coating (car under plastic-bitumen coating). Added some pyramid shaped damping material. It took me few years tweaking for best results and BOY, WHAT A DIFFERENCE.I heard many speakers, some has better bass, but no speaker has this much CLARITY, DETAIL, STAGE, AIR, SEPPARATION. It has linearity better than my AKG studio headphones. For me, it's like sitting in front of a band. In my other room, i have HECO Superior 2 way speaker. They sounds like crap! Muffled, blurry, boomy bass. So, to clarify - THERE'S NO SPEAKER LIKE YOU BUILT TO YOURSELF! But, you have to have knowledge and nerves, because, you'll never be 100% satisfied. You will be always upgrading. And you'll never buy another. 😁

Jorge de Lumiar Ferreira:  Your videos are pure joy. Can´t wait for the next one. On this particular topic, there is no way I would ever venture into building a pair of speakers (kit or no kit), but if I did, it would surely be due to your compelling arguments...

Nelson Nichols:  Myself and a good friend of mine decided to form a band back in the 80s. We of course had no money and we built speakers from scrap plywood and drivers purchased from RadioShack. They worked. They probably didn’t sound the greatest, but they worked.

defsonic:  Kerr Acoustics K100 c£25k.
Wilmslow Audio WA TL12 c£5k

Wilson Audio use Dayton Audio (Parts Express) subs and plate amps

1/2 a brain and 1/2 decent woodworking skills then speaker design and build is really not that difficult.

There are no magical properties for crossover components, drivers, cabinet materials. Some speaker manufacturers will produce their own parts to differentiate themselves, potentially save on distributor margins and add “mystery” to the product offering. Ie there are plenty of off the shelf components to use in your own designs without thinking that your missing out.

I could ramble on for hours on why “high end” audio equipment is a complete rip off and why so called “ audiofools” should stop being so naive and lazy with their time and money🤪

Mr Boat:  I have 7 pair of DIY speakers, most from kits or open source plans. I'm not that hard to please though. All I need is double the amount of headroom than my peak listening requirements, and low audible distortion. The other requirement was 3-ways, for full range performance, whether that be a 3-way speaker that reaches into the mid 30hz range, or a two-way with a subwoofer to the same end. My desktop speakers are 12" that also are for the room as a whole. I basically just have a desk up in between my house system with the speakers toed-in roughly 45 deg, along with a pair of 12" subs.

Are they the best speakers in the world? No, but they are more capable than the recordings that would pass thru them, with the best recordings being audibly flawless to my ears. When I go to audio shows, or listen to friends systems, I would not trade what I have for any of those. I also would not trade my nearfield habit for the best whole room system. I don't like sitting in the middle of a room by myself for any task and I would not listen to music nearly as often as I do with what amounts to a studio arrangement with all the access to my gear within reach.

Miles Dufourny:  The problem with kits is that you don't know if that particular speaker is going to give you the type of sound that you're looking for. Just because one person thinks the design and overall sound are great doesn't mean you'll feel the same way. If you're going the pure DIY route you better have the correct woodworking equipment and be skilled at making cabinets (otherwise it's a lost cause) plus you need the equipment to measure the frequency response of each individual driver so you can design a crossover that works with those drivers.

Fernan:  Brod of Sir Paul

Ian L.:  Didn't work for me.. :(

factorylad:  The best speakers in the world could be polystyrene ceiling tiles with balanced mode raduators cemented in the centre. However this will only provide accurate reproduction down to 40Hz where there is a natural roll off of ffrequency response. The wrinkle is you have to make the electronics do the work. Using a graphic equaliser to search out the BMR and have a Butterworth filter of the correct transfer function to seemlessly take over the bass register. No there is too much fixation on polished mahogany boxes imho😅

chris norrell:  This is an absolutely moronic video

Audio Masterclass replies to chris norrell: So say the 747 people who have liked it, so far. DM

adam872:  My Dad build his own speakers when he was in technical training school (in electronics) for his first job out of high school. I have them now and they still sound good. My Wharfedale Diamonds are arguably better, but these old boys still work well. They've got Richard Allan 12-inch woofers and 8-inch mid range, with Philips tweeters. The crossovers and cabinets Dad built himself. My wife hates the things but I love 'em

John Kortink:  Indeed, whatever you build yourself probably sounds ten times better to you than anybody else :-) Unfortunately, the best speakers in the world are headphones (electrostatic ones). Hard to build yourself.

bluesman608:  I built a pair of Tabors, too, in the 1970s and still have them. They were in storage for years but during the pandemic I replaced the tweeters and crossover capacitors (thanks, Madisound) and had the cabinets painted white by an auto body shop. Quite the mod look with the black components. They are definitely the best speakers in the world. (My world, that is.) Now connected to an APT Holman preamp and a Hafler DH-200, they are my main system with a Boss Allo2 streamer. Thanks for the great stories of your exploits in speaker building. You brought back many memories and it was good to know others had Tabors as info on them is scarce. If you don’t mind my asking, what did you upgrade to?

Audio Masterclass replies to bluesman608: B&W 801. Still have them. DM

1974UTuber:  I have built many speakers in my years, and there is always something I am not happy with.
Obviously, I am too critical of my own work.

Audio Masterclass replies to 1974UTuber: Great art is never completed, merely abandoned. DM

wwwTTRCAcouk:  Fun hearing about the guitar speaker build. I built disco speakers in the 70's with Goodmans Axiom 12" drive units in open back cabinets. Poor bass and no top - ugh! Many modern music PA systems still sound poor on bass - just one harmonic note, "boom boom boom". The bass guitar is often never properly heard.

Howard Skeivys:  There is no such thing as best. There is different and there is personal preference!

Al Banana replies to Howard Skeivys: I think you've slightly missed the point. The "best in the world" tag is a tongue in cheek reference to something that you have made yourself, invested probably little money, but loads of time and effort. It is clearly, in your own opinion, the best in the world. You will never lend them out to anyone to review against other speakers, so they will forever remain at the top of the pile. Until you build the best speaker in the world MKII.

Kalev Pank:  Great!! Took me back to my twenties when I did build my Hi-Fi speakers (from a kit) , and also a bass speaker for my bass guitar (yes, I played in a band) - that box was huge and weighed a ton, but did the job, just fitted in the car.

bart van ransbeeck:  Speakers are pistons to move air and create waves....for long waves you need surface , deepnotes need imho 15" or 18" or more to get realistic sound and dynamic....for mids 8 to 12"....for highs ...excellent 1" to 1,4" compression drivers or big AMT's ....simple crossover and it beats most highend expensif gear....its made like Daniel Hertz ...he uses beyma pro....no secrets...❤

Graeme J W Smith:  You have Confirmation Bias - All the way...... You might be able to fix it with some variable resistors in series with the input lines..... ;-)

Paul Stubbs:  The best speakers in the world are no speakers, go sit in front of the performer.
I've had the odd go, usually disastrous.
One was to make an 'old school' speaker, I had an odd idea to make some retro noise, you know that boomy kind of sound you got from an old tube radio.
As in a big ass driver in a big box, trouble was my modern 'big driver' only wanted to know about bass, and kind of broke up with anything else, unlike the old school drivers from back then that generally made no proper bass (as in gut thumping) no matter what you did to them.

wadimek11:  I agree it took me over a year to learn how to build a decent speaker but I mostly learnt for fun so it's possible to do it faster. Now I can't imagine buying speakers because they got bad value compared to anything I want to build. Its complete freedom, I can do small speakers with deeper bass than anything on market sacrificing sensitivity or I can do monitors that will play reference levels of volume or even 106db without much of a compression if I want to. Cost of components is not to high. I even order enclosures from carpetner because its cheaper and better than buying flat packs which supeised me.

michael:  Credo Audio Switzerland Cinema LTM Loudspeaker are my bag of tea....

Audio Masterclass replies to michael: A link for interested comment readers who probably can't afford them https://credo-audio.ch/credo-cinema-ltm/ DM

Seiskid:  I made speakers as a teenager. I had a big technical book on speakers I didn't understand and no money. The drivers were whatever I could scrounge from broken radiograms. I truly thought they were amazing. I don't think they were than now, though they must have sounded nice compared to every other low-fi item my parents had in the house. Years later I have them mounted in my garage. And the original muddy drivers have been replaced with simple twin inline 6" speakers that are plenty good enough for the garage.

michael replies to Seiskid: What about Bose?

Holocausticfumes:  Oh! And can I get a heart too?

Audio Masterclass replies to Holocausticfumes: No. DM

Holocausticfumes:  Judging from your first video (14 yrs ago)....why don't you go back to the camera you had then and use it? Why not go back when you had lesser equipment? Just you and a camera. Go back and have a look and listen to your videos then, Convince yourself that you're not a hypocrite. Go on....Do it. (and, No...I'm not an audiophile*) Just a guy who sees a hypocrite telling other people that they can't upgrade their equipment for any reason. You should be ashamed of yourself.

Audio Masterclass replies to Holocausticfumes: Oddly enough, I remain unbothered. DM

Mark Philpot:  This video was a howl and so much fun. Not often you can stir people to try their hand at DIY speaker building, but designing them also? Ok. No, it isn’t far fetched, but this is assuming they don’t work 12s most if not all of the week which negates having much time for this endeavor. I admire your zeal sir. No one can fault that even if it has a satirical tone attached. Still fun nonetheless.

Sandy Jenkins:  100% yes. Some of the best speakers I've ever owned are in fact diy.

frogandspanner:  7:55 I think I bought my Wharfedale Dovedale 3 kits from Wilmslow Audio in 1972. After several weeks of amateur woodworking and bodging I thought they sounded superb. I still have them.

This has triggered a search for Wilmslow Audio in the first edition of Wireless World I ever bought - October 1971 (I had just started at University). I used to love the ads in there. There's a Quad ad (before the 405); SME 3009 (I have one now in my Transcriptors Hydraulic Reference); Garrard AP76 (it's all I could afford in those days, with Shure M75ED), and an ad for the wonderfully named Wayne Kerr, of bridge fame (Cables: Waynkerr Surbiton). And an ad for the Sinclair Project 60, an ad by Nagra seeking a Junior Service Engineer, but no Wilmslow Audio. I wonder where I saw their ads.

Bostonblessed:  Now we have computer generated crossover simulation that they didn't even have until 20 years ago and that program cost a fortune but we can get it for free a have rew and Umik i built some speakers that will go head to head with most big box companies i used jantzen z caps and inductors 3 rd order crossovers perfectly balanced with tons of bass. Mdf solid oak on top gold leaf trim. I don't think I can afford to buy speakers as good as mine sound and look for under $10000 and anyone that listen to them agrees without me telling them i buillt them .

Guido LeBamba:  A drummer with a girlfriend??

Bostonblessed:  I do have the best speakers in the world but I had to build them and they look like the ones behind you

Moogoomoogoo:  When he says he had a band, is he talking about the Beatles or Wings?

Ships Ahoy:  Hello David, best channel ever..
I’ve upgraded and redesigned crossovers, and have upgraded drivers, on stereo speakers in the past, but I’ve never built any from scratch.
(I stink at woodworking).
I have a few books on the subject that just sit on a bookshelf, but the one you mentioned sounded intriguing, and a seemingly good buy at $50, but no current plans for new speakers, since I currently have 2 sets of floor standers already. I had to chuckle when you mentioned the 4x12”’s. Back when I played guitar, more years ago now than I care to think about, I picked up a Laney LC-50, which was a 50 watt 1x12” combo with 2 6L6 output tubes. The problem was that it had this really annoyingly crisp and bright HH speaker in it, so I got my hands on one of the 12” Celestion speakers that was same as the ones in the old Marshall 4 x 12 cabinets, and I put that speaker in the combo instead in place of the HH speaker, and then, problem solved. 😉

Dale Boylen:  I worked for years with a man who was a physicist. He was also a loudspeaker designer. Every day, we would sit and listen. Change a capacitor....what do you hear?
Change an inductor....what do you hear
Change a crossover point....what do you hear.
We did that day after day, week after week, year after year. For HOURS every day.
Designing "the best speaker in the world" is not an easy task. MUCH more complex than laid out in this video.
In fact, it took my physicist friend THIRTY YEARS to crack the match for time domain accuracy in loudspeakers. 30 years. As a physicist. Working tirelessly day after day.
I doubt he ever worked a normal 8 hour day. He would call me in Hawaii at 6:00 am and still be working in the mountain states.
I bought a pair of his flagship speakers. You can pry them from my cold, dead hands. I've heard most speakers out there. Not all, but most. Most everything up to $200,000 pair.
Nothing I have heard at any price comes remotely close to the breathtaking tonal accuracy of the speakers my physicist friend built. Of course, the average person doesn't have the math skills (Greens functions) or the knowledge of physics to achieve the same results. Listening to speakers from a plethora of well known designers, i'm afraid none of them do either.
Best is a subjective term. But these cut my mastering and mixing time in half. Time is money. Money is time. In this case, 30 years time.

CoolJay77:  That's a wonderful story. Sometimes we forget to check the basic stuff such as a driver being out of phase. Which makes me wonder there must be quite many audiophiles out there with speakers connected with wrong polarity.

Douglas Blake replies to CoolJay77: You might be surprised if you knew how often I encountered that on service calls ... usually for "sudden loss of bass"... go figure.

SimbosanYT:  No I don't want to =) but thanks!

dave happ:  how did ya keep it. if ya already sold it

Write Name Here:  Yes, there is a perfect loudspeaker :) Visaton, Experience v20. Once I stumbled upon them, I never let them go and before that changed many pairs. DIY as well-.

Bob:  What are the speakers in the background at the very start of the video? They look like they pack a punch.

Bill Milosz:  I've designed and built a few speakers - a 3-way 8-inch transmission line system which sounds quite good except the titanium tweeter I used sounds very open but can also be "tizzy" on some material- maybe I'll change to a soft dome at some point; I use these at my office. The bass is very good, very "un-boxy" and with great transients. I built a couple of 2-ways, with SEAS or ScanSpeak drivers, some are biamped using MiniDSP- all of these sound pretty good. I am currently building a pair of 3-way active Bluetooth towers using some low cost drivers. So far these sound awful - boomy bass- but some iterative design will likely fix that. There are going to go to a young-ish person who wants to listen to loud music.

Basement Berean:  I have a pair of KEF 104/2 speakers I bought new in 1995, and I just had the woofer surrounds replaced. I wouldn't know where to upgrade from these.

Gabriel Godwin:  Many years ago when Radio Shack was still something like it was supposed to be in the US, I bought tons of parts from them.
At the point that they were getting out of that game, I went around town to all the locations still open and bought all of the speakers and electret condenser mics I could find. Many times I'd be digging around in the storage areas since they were already transitioning into the joke they have become.
I made several mics and speakers from all that stuff I bought on the cheap.
It's a rewarding experience if you have the ability to pull it off.
I wish there was a store like that around today. Now if I need parts like that, online is basically my only option. It really takes some of the fun out of the process.

Gabriel Godwin replies to Gabriel Godwin: @factorylad5071  I can't really speak on education elsewhere, but in my experience, it hasn't been that great in the US for years. I was lucky enough to go to private school until 5th grade. So, what we call middle and high school in the US was essentially all just remedial work for me.
However, I do see your point in the decline of the store. Most of the time when I would go into a Radio Shack for parts, the employees didn't even know what I was buying at all.
Employment in the US has been a strange animal for a long time. Companies don't want educated employees, they just want minimum wage workers that they can exploit. But that, of course, is an entirely different conversation altogether.

Gabriel Godwin replies to Gabriel Godwin: @RebeccaTurner-ny1xx  That's interesting. I remember that branding on some of their their stuff in the US as well. I haven't heard that name in years.

Rebecca Turner replies to Gabriel Godwin: Tandy, as Radio Shack was branded here in the UK, always seemed quite pricey compared to homegrown electronics shops. I suspect that online is better and cheaper than what Tandy would be offering.

Rebecca Turner replies to Gabriel Godwin: @factorylad Hmmm... not sure that education in the UK at least is inferior these days. I went to a state school in the 70s/80s and was never taught a thing about electronics. It had a fine computer lab (Commodore PETs in 1980), so was advanced for a comprehensive.

factorylad replies to Gabriel Godwin: What's it like to be a no likes Johnny?
I sympathise with your situation but it was inevitable because education in the US and UK has been falling behind for a long time and you can't expect somebody being paid to flip burgers will be able to tell you how a transistor works or to be able to read the markings on a capacitor. Your only option may be to move to the Netherlands where they still have the capacity to do such things.

Filip Svensson:  Sad, but true, about the copyright. Lol.

Emiel333 Official:  Great video! So the drummer has a car and a girlfriend? Reminds me of Roger from Queen 😉

Paul:  Building my "best in the world" speakers doesn't sound that good. How can I enjoy my self-made "best in the world speaker" while tending to my missing fingers and my house burning down?

No, think you, I will let Wilson Audio build my dream speakers. Great sound and I keep my fingers and my house.

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Tuesday August 1, 2023

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David Mellor

David Mellor

David Mellor is CEO and Course Director of Audio Masterclass. David has designed courses in audio education and training since 1986 and is the publisher and principal writer of Adventures In Audio.

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