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Old 23rd March 2017, 01:05 PM   #5101
levistubby is offline levistubby  United Kingdom
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I also found the circuit diagram250mw-Amp-Diag.jpg that my Dad drew.
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Old 23rd March 2017, 09:39 PM   #5102
Mrcloc is offline Mrcloc  South Africa
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This one sounds better than it looks. I'm almost done with it - need the top and to install the fans.
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File Type: jpg DSC_0093_.jpg (199.1 KB, 1437 views)
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Old 24th March 2017, 02:13 AM   #5103
Bigun is offline Bigun  Canada
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Post your Solid State pics here.
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Originally Posted by levistubby View Post
I also found the circuit diagramAttachment 607173 that my Dad drew.
this is super cool !!! - a wonderful memory item from your dad - something to treasure for sure.
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"The test of the machine is the satisfaction it gives you. There isn't any other test. If the machine produces tranquility it's right. If it disturbs you it's wrong until either the machine or your mind is changed." Robert M Pirsig.
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Old 24th March 2017, 02:39 AM   #5104
mhouston is offline mhouston  Australia
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Mrcloc, neat.
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Old 24th March 2017, 07:02 PM   #5105
kct is offline kct  Canada
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Post your Solid State pics here.
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This one sounds better than it looks. I'm almost done with it - need the top and to install the fans.
Beautiful wood work. Is that Mahogany by chance ? Looks very nice.
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Old 24th March 2017, 08:38 PM   #5106
therocket290 is offline therocket290
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I learned some basic electronics over my winter break and and ordered two jlh amplifier kits to get me started. I appreciate the help I've received here.

For the first amp, I used an old chassis and heatsink from a gw receiver and made a simple wood panel for the front.

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For the next amp (not quite finished ), I used some heatsinks from an ampzilla (I scored the heat sinks on the bay) and am using sheet metal for the chassis.

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In the photo it's sitting on my next project (klh model five recap).

Last edited by therocket290; 24th March 2017 at 08:42 PM.
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Old 25th March 2017, 01:27 AM   #5107
Mrcloc is offline Mrcloc  South Africa
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Quote:
Originally Posted by kct View Post
Beautiful wood work. Is that Mahogany by chance ? Looks very nice.
Thank you! Yes, it's mahogany sapele.
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Old 25th March 2017, 02:00 AM   #5108
kct is offline kct  Canada
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Thank you! Yes, it's mahogany sapele.
Very, very nice ! Simply beautiful !
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Old 26th March 2017, 09:10 AM   #5109
Mrcloc is offline Mrcloc  South Africa
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Very, very nice ! Simply beautiful !
Thanks! I'm really happy with it.

I've finished it now, with glass on top and fans installed.
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Old 26th March 2017, 04:16 PM   #5110
Project16 is offline Project16  France
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Hello everyone

After being enchanted by the sound of Fab's USSA-1, I decided to create version 5 of this superb amplifier.
This new version of a class A amplifier is characterized by more dynamic, higher damping factor and more definite sound, and even if these amplifiers are very close, undeniably the USSA-5 makes its place in the high sound reproduction.
It is therefore with pleasure that I present to you some photos of my last baby with all the PCB that I have to draw, the PCB of the amplifier was designed by Alex MM.

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File Type: jpg USSA-5_1.JPG (77.5 KB, 748 views)
File Type: jpg USSA-5_2.JPG (105.7 KB, 927 views)
File Type: jpg PSU1.JPG (59.2 KB, 483 views)
File Type: jpg PSU2.JPG (80.0 KB, 379 views)
File Type: jpg PSU3.JPG (79.7 KB, 317 views)
File Type: jpg PSU4.JPG (59.5 KB, 330 views)
File Type: jpg SoftStart1.JPG (59.2 KB, 352 views)
File Type: jpg SoftStart2.JPG (70.8 KB, 387 views)
File Type: jpg SoftStart3.JPG (85.3 KB, 405 views)
File Type: jpg Speaker Protect.JPG (73.6 KB, 398 views)
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