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Chip Amps Amplifiers based on integrated circuits

OP+Buffer  pre-amp/headphone
OP+Buffer  pre-amp/headphone
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Old 25th October 2010, 09:34 AM   #1
monkey29 is offline monkey29  China
diyAudio Member
 
Join Date: May 2005
Location: Beijing
Default OP+Buffer pre-amp/headphone

This pre-amp/headphone use OP+buffer, and with source selection.
The volume control by analog or digital potentiometer.

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