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Old 2nd October 2016, 04:05 PM   #1
Bigun is offline Bigun  Canada
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Post your Analogue Source pics here
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This is my bid to earn a 'sticky' thread. My first attempt at a Pre-amp. It's dual-mono throughout. The RIAA is all-BJT based off the famous NAD3020 circuit. There is an all-BJT shunt regulator based off Salas designs. And there is a cathode follower output buffer loaded on an active 'amplified resistor'. Haven't tested it yet, but this thread is for piccies
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File Type: jpg Pre-front.jpg (423.8 KB, 1390 views)
File Type: jpg Pre-side.jpg (456.3 KB, 1366 views)
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Old 2nd October 2016, 04:21 PM   #2
thimios is offline thimios  Greece
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Quote:
Originally Posted by Bigun View Post
This is my bid to earn a 'sticky' thread. My first attempt at a Pre-amp. It's dual-mono throughout. The RIAA is all-BJT based off the famous NAD3020 circuit. There is an all-BJT shunt regulator based off Salas designs. And there is a cathode follower output buffer loaded on an active 'amplified resistor'. Haven't tested it yet, but this thread is for piccies
Nice work Gareth!
Please post details
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Old 3rd October 2016, 06:20 PM   #3
Koifarm is offline Koifarm  Netherlands
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Default Post your Analogue Source pics here

Here some pics off my RIAA stages.

Click the image to open in full size.
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Click the image to open in full size.

Last edited by Koifarm; 3rd October 2016 at 06:25 PM.
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Old 3rd October 2016, 06:37 PM   #4
Bigun is offline Bigun  Canada
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Wow !



Quote:
Originally Posted by thimios View Post
Nice work Gareth!
Please post details
see here: TGM 1i - an integrated hybrid amp inspired by Hugh Dean
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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 3rd October 2016, 06:54 PM   #5
Koifarm is offline Koifarm  Netherlands
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I hope your preamp sounds as expected.
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Old 5th October 2016, 06:39 PM   #6
sq225917 is offline sq225917  United Kingdom
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Paradise, Kuzma Stabi/S 12", Benz LP
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Old 6th October 2016, 02:25 AM   #7
PRBS is offline PRBS  Taiwan
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Phonoclone with Salas shunt regulator

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Post your Analogue Source pics here


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Thorens TD850 with SME309 tonearm
plus DIY motor power supply and motor base

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Old 7th October 2016, 03:08 PM   #8
Bigun is offline Bigun  Canada
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wow! so many great photos - I can see this forum is the place of beauty !
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Old 7th October 2016, 05:25 PM   #9
Project16 is offline Project16  France
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Hello.

At the request of a friend, the MM - R.I.A.A preamplifier 2012 By Douglas Self, Circuit designed to keep only this part.

Great sound!
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File Type: jpg SAM_1996.JPG (91.4 KB, 278 views)
File Type: jpg DSC03471.JPG (46.6 KB, 291 views)
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Old 7th October 2016, 06:12 PM   #10
osscar is offline osscar  Latvia
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Hello,
your DIY gear are great !

I add some of my DIY gear:

DIY Le Pacific JFET RIAA;

DIY OBH 8 SE RIAA;

DIY inDiscreet Phono

Pulse circuit for strobe LED (you see clear markings on platter instead of blurred )

External PSU for DD motor.

All my DIY RIAA together..but I think that there will be another - addiction ...
Attached Images
File Type: jpg DSC07354(1).jpg (273.9 KB, 298 views)
File Type: jpg DSC08955.jpg (145.2 KB, 208 views)
File Type: jpg DSC08956.jpg (98.0 KB, 177 views)
File Type: jpg DSC09905.jpg (141.3 KB, 183 views)
File Type: jpg DSC099041.jpg (105.9 KB, 180 views)
File Type: jpg DSC00963.jpg (201.6 KB, 170 views)
File Type: jpg DSC00882.jpg (177.6 KB, 185 views)
File Type: jpg DSC00452(1).jpg (141.0 KB, 271 views)
File Type: jpg DSC09675.jpg (144.0 KB, 254 views)
File Type: jpg DSC00997.jpg (171.3 KB, 181 views)
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My DIY so far: two Leach amps, Pass AB100, Pass F5, B1 buffer, Hiraga le monstre, two LM3875, LM1875, OPA549, 6C33C SE, GU32 PP, 6p3c-e PP, Marsh headphone amp.Phono - OBH-8se, Pacific RIAA, inDiscreet Phono, Whammy headphone amp.

Last edited by osscar; 7th October 2016 at 06:15 PM.
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