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Audio Sector Kits & PC boards from AudioSector

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Old 6th December 2011, 05:03 AM   #71
freeman is offline freeman  United States
diyAudio Member
Join Date: Dec 2010
Default Advanced Gainclone

Hi Peter,
Do you have a thread on detailed p2p wiring for lm3875. Very interested in similar design for my next project. Best regards.
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Old 9th December 2012, 12:21 PM   #72
diyAudio Member
Join Date: Jan 2011
Location: Fosser, Aurskog-Holand, Akershus, Norway.
Originally Posted by twitchie View Post
Click the image to open in full size.

Hi Peter, those look like Audio Research toggle switches, can you share where you got those from? I've been trying to get a replacement switch for months now and the local dealer want's alot of money for one. Are they the same ones?



Beautiful apparatus and parts are always in demand.

Theese toggle switches are one of those beauties.
And ofcourse Peters amps. Still in buisness Peter?
Sooner or later you end up with TANDBERG
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Old 23rd December 2012, 03:05 PM   #73
chipzahoy is offline chipzahoy  New Zealand
diyAudio Member
Join Date: Mar 2009
Originally Posted by Peter Daniel View Post
I install the chip first, then the board. To remove the chip, you need to remove the board. But only 5 pins need to be soldered.

The wiring diagram for bridged/parallel version of LM4780 chip was posted here: http://audiosector.com/lm4780%20amp.pdf
Doing it with LM3875 is the same.

Srajan still uses those amps, here the link to a more recent review when they've been featured: 6moons audio reviews: Esoteric P-03, D-03, G-0s

Click the image to open in full size.
There's just one thing I don't like in that picture: the placement of the giant window. The mere sight of it makes me cringe
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