Jump to content

DIY audio: what are you building?


Recommended Posts

On 13/02/2021 at 6:55 PM, sfdoddsy said:

Finished. 3 way passive open baffles. AST2560, Neo10, Satori WO24P. Corian baffle, sealed walnut bass enclosure.

Colour me interested. Were these from a published design or did you design them yourself?

 

Link to post
Share on other sites
  • Replies 7.1k
  • Created
  • Last Reply

Top Posters In This Topic

Top Posters In This Topic

Popular Posts

Stereo Subs & Two Way Monitor Build   It’s been slow going on my two way monitor with stereo sub build but I’ve finally finished finished one of the two subs!!!   The subs are 10inch CSS drive

Thanks Pete Sure! Pretty much just used common spray acrylics (cans) for the whole job. Not shy of using 2k but just trying to save on costs.  After the cabs where routed i gave th

Finally finished my 6sn7 preamp. 😀 not a bad outcome considering 50% material was recycled. Thanks a lot mwhouston for schematics.

15 minutes ago, itsparks said:

New pcbs for a fee projects came in! Tube pre-amp and tube phono stage! Now to order some parts. 

IMG_20210216_180850_178.jpg

Clone of any big brand? 

Link to post
Share on other sites


On 09/02/2021 at 9:47 AM, mwhouston said:

This came up on my retro-thermionic FB page. Too bad we don’t have the equivalent here. I suppose it just takes a few people to organise it and a lot to support it. 
 

“The NY Noise show brought together DIY hi-fi artisans who enjoy the glories of lower-powered vacuum tube gear. Their creativity shined through with incredible works of vacuum tube art! Blackie Pagano and JC Morrison organized this New York City extravaganza. This event was strictly by invitation only, and was so popular that it was standing room only!“

EBA52C7F-0748-4D4B-BF8E-7BA11E878D49.jpeg

These two gurus were around at the start of Sound Practices and JoeNet now without Joe and known as Sound, it has been running continuously since the early 90's, yep, early days for the internet, all I had was text only on a monochrome CRT monitor via a university connection for it!

Sound mailing list
Sound@soundlist.org
http://mailman.soundlist.org/mailman/listinfo/sound

Blackie Pagano

https://www.blackiepagano.com

JC Morrison runs his impressive Labs JC site, what he doesn't know about tubes isn't worth knowing! Take a look!

https://www.labjc.com/

his latest post is a fun read!

https://www.labjc.com/?p=5734

  • Like 1
Link to post
Share on other sites
On 02/02/2021 at 4:08 AM, planet10 said:

Thosephase plugs have a weak EnABL pattern. It will have next to no effect without the rest of the driver done. EnABL2 has placed the ringsets in more useful locations.

 

[img]image.png.d8acd1afe5cbf054e0e20fe2c960fb7f.png

 

Unless those dots are drawn with heavy lead I don't see what's the effect. Even worse the plugs??

  • Haha 1
Link to post
Share on other sites
16 hours ago, gainphile said:

 

Unless those dots are drawn with heavy lead I don't see what's the effect. Even worse the plugs??

Its thin paint, he claims major improvements and they are noticeable with the human ear, and also noticeable income is benefited to his wallet too ! ( AKA crock of crap ) 

  • Like 1
Link to post
Share on other sites


29 minutes ago, itsparks said:

Its thin paint, he claims major improvements and they are noticeable with the human ear, and also noticeable income is benefited to his wallet too ! ( AKA crock of crap ) 

 

Yeaahh nahhh ...

  • Like 1
Link to post
Share on other sites

So , DIY audio, are we allowed to scoff at things that might be taken seriously in other parts of stereonet?  😜

 

If so,  yeah wow, really????  I have always wondered about these little dots and why people spend money on them.  

  • Like 1
Link to post
Share on other sites
1 minute ago, planet10 said:

That is fairly common across many forums on many subjects. 

 

dave

Only on ones that are aimed to fool people out of their money. AKA painted dots on drivers, or cable lifters or speaker cables that cost more than a car, see where I am going with this ?

Link to post
Share on other sites


It works best in fields were people who refuse to be fooled can be shamed for being ignorant, deaf, blind, poor, whatever. Wikipedia explains it thusly:

 

Quote

Two swindlers arrive at the capital city of an emperor who spends lavishly on clothing at the expense of state matters. Posing as weavers, they offer to supply him with magnificent clothes that are invisible to those who are stupid or incompetent. The emperor hires them, and they set up looms and go to work. A succession of officials, and then the emperor himself, visit them to check their progress. Each sees that the looms are empty but pretends otherwise to avoid being thought a fool. Finally, the weavers report that the emperor's suit is finished. They mime dressing him and he sets off in a procession before the whole city. The townsfolk uncomfortably go along with the pretense, not wanting to appear inept or stupid, until a child blurts out that the emperor is wearing nothing at all. The people then realize that everyone has been fooled.

 

This fable goes back to the 14th century at least, so this must be a common and easy to exploit trait of human nature. As we all know, its exploitation is rife in audiophilia.

Link to post
Share on other sites
2 hours ago, itsparks said:

Its thin paint, he claims major improvements and they are noticeable with the human ear, and also noticeable income is benefited to his wallet too ! ( AKA crock of crap ) 

I’m definitely not a measurements man but would love to see before and after tests; dots/no dots. I’m not sure even golden ears ( and I know one) could pick it. Subtle enough is not good enough. 

1 hour ago, planet10 said:

That is fairly common across many forums on many subjects. 

 

dave

If there is anyone opinion I would respect it’s yours. Do you believe the dots make an improvement? 

  • Like 1
Link to post
Share on other sites
36 minutes ago, mwhouston said:

Do you believe the dots make an improvement? 

Me? I certainly do. 

 

I posted earlier the few measurements that have been taken that show differences. How you interpret those is wide open.

 

I can quickly pick out the EnABLed drivers in a double blind test (and it takes little time), there are certainly others that appreciate what it brings, there are many that cannot. I have had pairs of carefully matched boxes with and without, for people to take away and listen for themselves. I do not encourage anyone to buy them and its getting hard to, i’m not doing them any more.

 

If you consider how many hours of manual labour go into drivers there is little or no money in it, it is not done to make money.  

 

dave

  • Like 2
Link to post
Share on other sites
12 minutes ago, planet10 said:

Me? I certainly do. 

 

I posted earlier the few measurements that have been taken that show differences. How you interpret those is wide open.

 

I can quickly pick out the EnABLed drivers in a double blind test (and it takes little time), there are certainly others that appreciate what it brings, there are many that cannot. I have had pairs of carefully matched boxes with and without, for people to take away and listen for themselves. I do not encourage anyone to buy them and its getting hard to, i’m not doing them any more.

 

If you consider how many hours of manual labour go into drivers there is little or no money in it, it is not done to make money.  

 

dave

Your over 65 Years old I bet you 1000$ If i put up a pair of enabled and non-enabled speakers into a room and blind folded you you would fail. You're eyes are what tell you what you want to hear..  It's the same as saying OH I HEAR a  difference using this 1m long $5000 power cord from the wall to my power amp. Or these nice wooden blocks that lift my speaker cables up off the floor. BULL CRAP !! 

  • Like 1
Link to post
Share on other sites


At least Dave's cone treatments would make a measurable difference. Unlike most of the cable (speaker, interconnect, power etc..) claims that appear to be popular on this site :)

 

I'm presently in the process of doing some cone edge treatments on a Tectonic BMR driver to help get rid of the nasty peak and dip in the FR around 1.5 to 2K

You can see the original FR here in an independent test

 https://hificompass.com/en/speakers/measurements/tectonic/tectonic-tebm65c20f-8

Results so far are good, I might post them here some time in the future

 

cheers,  Arthur

 

Link to post
Share on other sites
1 hour ago, itsparks said:

 If i put up a pair of enabled and non-enabled speakers into a room and blind folded you you would fail. You're eyes are what tell you what you want to hear.

As i said, i have done just such a test. Took less than 30 sec to decern. It is quite striking when you have learne dwhat to listen for.

 

dave

  • Like 2
  • Haha 1
Link to post
Share on other sites

Can we plesae cut down on the mockery and belittlement?  Says more about the poster than the subject.  SNA is not a skeptics bukkake party...go to ASR or similar for that please..civil, polite conversation please. 

  • Like 4
  • Haha 1
Link to post
Share on other sites
1 hour ago, acg said:

Can we plesae cut down on the mockery and belittlement?  Says more about the poster than the subject.  SNA is not a skeptics bukkake party...go to ASR or similar for that please..civil, polite conversation please. 

As I have said to the wife, there was two ways you could have said that. 

  • Haha 2
Link to post
Share on other sites
2 hours ago, acg said:

Can we plesae cut down on the mockery and belittlement?  Says more about the poster than the subject.  SNA is not a skeptics bukkake party...go to ASR or similar for that please..civil, polite conversation please. 

What I was going for in my post, just perhaps a little less subtle and a little more spunk... 

Link to post
Share on other sites
26 minutes ago, crtexcnndrm99 said:

What I was going for in my post, just perhaps a little less subtle and a little more spunk... 

 

what, asking for civil conversation whilst using language like "skeptics bukkake party" in the same post?   🤭

  • Haha 1
Link to post
Share on other sites

I guess we are all just a little passionate about a hobby which, for each individual, is 100% subjective. The passion will rise. 

  • Like 1
Link to post
Share on other sites

"So, anyone with some interesting DIY projects they’ve got going at the moment?... "

Yep. Halfway through a 10" three way speaker build, latest in my building as therapy series!

Should finish them next week (some time) and will have a story and photos for you then.

  • Like 3
Link to post
Share on other sites
7 hours ago, crtexcnndrm99 said:

So, anyone with some interesting DIY projects they’ve got going at the moment?... :whistle:

 

(Would love to see some speaker builds.)

Helping a fellow SNAer put together an interest system. Next part of the massive jigsaw is a Xover. 3rd order on the horns and 2nd on the woofer. Using Mundorf air chokes and poly Xover caps for most. 
 

All parts ordered and on their way. 

  • Like 3
Link to post
Share on other sites
2 minutes ago, mwhouston said:

Helping a fellow SNAer put together an interest system. Next part of the massive jigsaw is a Xover. 3rd order on the horns and 2nd on the woofer. Using Mundorf air chokes and poly Xover caps for most. 
 

All parts ordered and on their way. 

Sounds like a good system. I must say That building another pair of speakers with real horns this time is an itch t hat I can’t seem to get over!.. 

 

New or old horns, and 2-way like the Tad2402 or more drivers? 

14 minutes ago, Spinnergeoff said:

"So, anyone with some interesting DIY projects they’ve got going at the moment?... "

Yep. Halfway through a 10" three way speaker build, latest in my building as therapy series!

Should finish them next week (some time) and will have a story and photos for you then.

Awesome. Look forward to that story (won’t bother you with questions now - can’t distract from building!) 

  • Like 1
Link to post
Share on other sites

Been thinking of an Altec A7 clone or a TAD2402 (2401 if I had the space..?) clone as the next project to think about. Keen to try horn loaded bass bins, but also the wooden biradial horn design from TAD or Fostex... 

  • Like 1
Link to post
Share on other sites
1 hour ago, crtexcnndrm99 said:

Sounds like a good system. I must say That building another pair of speakers with real horns this time is an itch t hat I can’t seem to get over!.. 

 

New or old horns, and 2-way like the Tad2402 or more drivers? 

Awesome. Look forward to that story (won’t bother you with questions now - can’t distract from building!) 

Ive never looked back and have yet to fined anything which is transparent and as fast as horns with 1” compression drivers. 

  • Like 2
Link to post
Share on other sites
2 hours ago, Spinnergeoff said:

"So, anyone with some interesting DIY projects they’ve got going at the moment?... "

Yep. Halfway through a 10" three way speaker build, latest in my building as therapy series!

Should finish them next week (some time) and will have a story and photos for you then.

Got some early images. 

Link to post
Share on other sites
59 minutes ago, mwhouston said:

Ive never looked back and have yet to fined anything which is transparent and as fast as horns with 1” compression drivers. 

Fair enough. I’ve considered using just the woofer of the Beymas in their current cabs and mounting a horn and compression driver on top, angled downwards from their 1200 height toward the listening position.

  • Like 1
Link to post
Share on other sites
3 minutes ago, crtexcnndrm99 said:

Fair enough. I’ve considered using just the woofer of the Beymas in their current cabs and mounting a horn and compression driver on top, angled downwards from their 1200 height toward the listening position.

I’m a big fan of FaitalPro, Italian compression drivers and horns (Tratrix). Locally available, well priced and extremely well made. Polymer concave diaphragms, not horrid shrillness or resonance.  Good to 22K. 

  • Like 1
Link to post
Share on other sites
8 minutes ago, crtexcnndrm99 said:

Fair enough. I’ve considered using just the woofer of the Beymas in their current cabs and mounting a horn and compression driver on top, angled downwards from their 1200 height toward the listening position.

Altronics ~$115 polycone 12” woofers have a Fs of 25hZ (tested) and a sensitivity of 95db. Very, very few high priced woofers have a Fs of 25hZ. In a 60 ltr sealed box will play down 30HZ with output well below this. 
 

The Beymas roll off heavily at 50hZ. It’s so cheap to get so, so much bass response more. Keep the Beymas for what they are and pay Altronics a visit. Happy to help you with info on box construction, Xovers etc. 

 

P.S. how is Tamarisk going. Still missing it. 

  • Like 1
Link to post
Share on other sites
2 hours ago, mwhouston said:

Altronics ~$115 polycone 12” woofers have a Fs of 25hZ (tested) and a sensitivity of 95db. Very, very few high priced woofers have a Fs of 25hZ. In a 60 ltr sealed box will play down 30HZ with output well below this. 
 

The Beymas roll off heavily at 50hZ. It’s so cheap to get so, so much bass response more. Keep the Beymas for what they are and pay Altronics a visit. Happy to help you with info on box construction, Xovers etc. 

 

P.S. how is Tamarisk going. Still missing it. 

Did you say Beymas ?   I had a pair of BR70's in some BIG ported enclosures with a pair of Iwatta horns on top that i loved !

20190809_203417.jpg

20190904_190750.jpg

  • Like 5
Link to post
Share on other sites
7 hours ago, mwhouston said:

Altronics ~$115 polycone 12” woofers have a Fs of 25hZ (tested) and a sensitivity of 95db. Very, very few high priced woofers have a Fs of 25hZ. In a 60 ltr sealed box will play down 30HZ with output well below this. 
 

The Beymas roll off heavily at 50hZ. It’s so cheap to get so, so much bass response more. Keep the Beymas for what they are and pay Altronics a visit. Happy to help you with info on box construction, Xovers etc. 

 

P.S. how is Tamarisk going. Still missing it. 

Ah I see there’s some good recommendations. The Beymas were expensive and are great for what they do, only the bass I agree could be had much easier than trying to wrangle it from these. 
 

Mate, no complaints on the Tamarisk, it pulls a surprisingly solid bass line from the speakers, listening to jazz every note of the upright bass can be heard. As I’ve mentioned before, tube rolling is a breeze too, which in a fan of. Reassuring to know that there are good quality components inside so I don’t have to think about upgrading caps etc. Might venture into SS for biamping the LF, but the Tamarisk will stay for mid/highs for sure. 

  • Like 1
Link to post
Share on other sites
2 minutes ago, Spinnergeoff said:

OK, early shot of current build, 10" three way.

DSCF7387.JPG

 

Nice one mate...  are they panels from Bunnings?  My brother has suggested them as an option.

Link to post
Share on other sites
4 hours ago, itsparks said:

Did you say Beymas ?   I had a pair of BR70's in some BIG ported enclosures with a pair of Iwatta horns on top that i loved !

20190809_203417.jpg

20190904_190750.jpg

They’re a good size - probably what I had in mind but with a wooden horn on top for aesthetics mostly (and claim of naturalness with wooden horns... anyone experienced that?)

6 minutes ago, Spinnergeoff said:

OK, early shot of current build, 10" three way.

DSCF7387.JPG

Thanks for sharing, I reckon those panels will stain up nicely 👌

Link to post
Share on other sites
7 hours ago, mwhouston said:

Altronics ~$115 polycone 12” woofers have a Fs of 25hZ (tested) and a sensitivity of 95db. Very, very few high priced woofers have a Fs of 25hZ. In a 60 ltr sealed box will play down 30HZ with output well below this. 
 

The Beymas roll off heavily at 50hZ. It’s so cheap to get so, so much bass response more. Keep the Beymas for what they are and pay Altronics a visit. Happy to help you with info on box construction, Xovers etc. 

 

P.S. how is Tamarisk going. Still missing it. 

Crazy idea: my 300+ litre enclosures would almost have room for a 60 litre sealed box inside... how would you go about adding a helper woofer to the Beymas in the same cab, a la Altec 6041? 

Link to post
Share on other sites
  • Recently Browsing   0 members

    No registered users viewing this page.




×
×
  • Create New...