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Old 28th May 2009, 10:10 AM   #291
lineup is offline lineup  Sweden
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Default UGLY Looking Amp! - but good working

More pictures of Normal Ugly (but good) AMPS!
PLEASE post a picture of your NOT so well looking AMP!


---------------------------------------------------------
Of natural causes, it is only the most "beautiful amps"
that get pictures posted. They are running the SHOW.
But surely they are only "the tip of an iceberg".

95% of All Good Great Sounding DIY-amps are REALLY Ugly.
Made up of materials recycled from scrapyards.
And simple chassis of thin, 1-2 mm Aluminium.
No fancy LEDs or Knobs.
---------------------------------------------------------

I want to see more of these AMPS.
More of the DIY everyday reality.

I could bet on that the amps that SOUNDS best
built by diyaudio members, are not very exceptionally looking....

/lineup - has only built crappy looking amps

============================================



Just in case you forgot the topic
This was my declaration when I started it .. way back
Sure had no idea it would be popular by normal members
.. only had my little hope
/the same
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Old 28th May 2009, 10:18 AM   #292
lineup is offline lineup  Sweden
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Default Lineup ugly _ Class A amplifier



This one is not exactly pretty
Picture was taken during testing and trimming days

- Class A
- Separate discrete Lineup Tracking dual Regulator psu for The voltage amplifier
- Output stage has got its own, bigger, Transformer
- Two extra 'added' electrolytics capas to improve ripple rejection

Image ..
is a bit overexposed .. too much light
but I think you all can get how this amplifer works
Sweet and good at Class A around max 4-5 watts out
At least in my speakers ( SPL= 92dB )

Enjoy!
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File Type: jpg lineup_ugly_classa.jpg (48.3 KB, 355 views)
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Old 28th May 2009, 10:34 AM   #293
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Default One more ugly looking one


here.
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File Type: jpg ugly thing.jpg (78.8 KB, 327 views)
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Power supply; ripple, filter, noise, stability and the use of capacitance multiplier... Portuguese and English; https://www.youtube.com/watch?v=sSm0ku1eIgg
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Old 11th December 2010, 11:56 PM   #294
farjon is offline farjon  Brazil
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Beauty is in the eye of the beholder.

So, a tribute to my first DIY Amp:

Click the image to open in full size.

It will be disassembled for next prototypes.

Regards.

Last edited by farjon; 12th December 2010 at 12:02 AM.
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Old 12th December 2010, 12:41 AM   #295
ontoaba is offline ontoaba  Indonesia
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Quote:
Originally Posted by Sound_Buster View Post
Beauty is in the eye of the beholder.

So, a tribute to my first DIY Amp:

Click the image to open in full size.

It will be disassembled for next prototypes.

Regards.
Your TOSHIBA's are fakes.
Prototyping with fakes Not?
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Old 12th December 2010, 12:45 AM   #296
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Quote:
Originally Posted by ontoaba View Post
Your TOSHIBA's are fakes.
Prototyping with fakes Not?
Wooden plate, fake too !

Regards zeoN_Rider
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Old 12th December 2010, 12:57 AM   #297
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2SA1105 in a MT200 package, with a Toshiba logo ?
When it should be TOP3, with an SK marking.

At least they have a sense of humor.
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Old 12th December 2010, 12:58 AM   #298
ontoaba is offline ontoaba  Indonesia
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My ugly-good work prototypes.
Attached Images
File Type: jpg my first digital amp.jpG (183.0 KB, 198 views)
File Type: jpg my first PA attached antenna.JPG (104.7 KB, 125 views)
File Type: jpg my first V+I proto.JPG (154.1 KB, 105 views)
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Old 12th December 2010, 01:24 AM   #299
ontoaba is offline ontoaba  Indonesia
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Above are new, this one is old.
My last version of BJT prototypes, 2005. Discontinued, but my friends wants to buy it with various price, I say "no". Because it is ugly-good work. Using A1111-C2591 discontinued driver. I am still use it until now.
Attached Images
File Type: jpg my last BJT proto 2005 1.JPG (40.7 KB, 105 views)
File Type: jpg my last BJT proto 2005.JPG (77.8 KB, 82 views)
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Old 12th December 2010, 08:01 AM   #300
zlati84 is offline zlati84  Bulgaria
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One more ugly looking headphone amp. This is the working prototype, sounds so good
http://www.diyaudio.com/forums/attac...1&d=1292144399
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File Type: jpg 10122010843.jpg (603.3 KB, 71 views)
File Type: jpg 10122010844.jpg (665.5 KB, 74 views)
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