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E12 - UK - (heaphone protection circuit)

post #1 of 4
9/5/08 at 6:22pm
Thread Starter 
fully built never used E12

full details of the circuit can be found here:
The ε12 Muting / Protect Circuit

Apologies for the phone photo.



£20 plus postage.

You will have to test it. Its my third e12 and surplus to requirements. The other 2 have worked flawlessly.
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post #2 of 4
9/6/08 at 4:14am
Thread Starter 
I should add, i socketed the resistor that is responsible for the mute delay (r /c time). I currently have 1 megaohm in there, this gives a 30 second delay.
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post #3 of 4
9/25/08 at 3:14am
Thread Starter 
bump.
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post #4 of 4
9/29/08 at 5:16pm
Thread Starter 
bump and price drop
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