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Remove muting transistors on Arcam CD73?
Remove muting transistors on Arcam CD73?
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Old 23rd January 2008, 04:51 PM   #1
sdstarnes is offline sdstarnes  United States
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Join Date: Dec 2007
Default Remove muting transistors on Arcam CD73?

Anyone here have any info on removing the muting transistors on an Arcam CD73? I have never attempted any DYI upgrades of this sort and would greatly appreciate any feedback or help.

Thanks in advance!

sdstarnes at earthlink dot net
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Old 24th January 2008, 04:45 PM   #2
kevinkr is offline kevinkr  United States
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Location: Boston, Massachusetts
Remove muting transistors on Arcam CD73?
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I don't have an answer to your question, but in general it is a risky practice to post an unprotected email address to an open forum like this.

A grazing spam bot will eventually find it and you have no idea how much spam this can result in...

I've requested a moderator remove it. Yeah, I know I'm a busybody..

Safest practice is not to post any email address which is not always practical, but they can be disguised so that they are not useful to bots..

Example: namelessperson_at_anyoldisp_dot_com is just one way of doing it - underscores can be left out if desired.

On Topic:

Google for the service manual.. Muting transistors can often be reworked to drive a relay instead which shunts the audio out, retaining mute without nonlinear dirtysand in the path.

Other items to think about:
replacing op-amps
output jacks
supply filter caps
"To argue with a person who has renounced the use of reason is like administering medicine to the dead." - Thomas Paine
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