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Old 27th January 2012, 02:31 AM   #11
Charm is offline Charm  Russian Federation
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Capacitors K42 is not the best, K40 would be better.
Assessing the impact of coupling capacitors in the audio amplifier.
http://www.magictubes.ru/ves/kondens.htm
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Old 8th April 2012, 01:30 PM   #12
vlucian is offline vlucian  Romania
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Is there any danger in using this kind of headphone amplifier? I mean ... you could have 300V near your brain in case something goes wrong... I'm asking because I talked with a friend about such an amplifier and he was a little bit reserved about it ...
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Old 23rd May 2012, 09:58 AM   #13
proitex is offline proitex  Australia
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What specs are the power transformer? and where from?

Thanks
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Old 24th May 2012, 10:09 AM   #14
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R4 & R8 500k; R5 47k. try that input configuration. Great design. I love point to point.
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