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HA6 headphone amp
front and rear view
HA6 headphone preamp - uses a 12AU7 or 6922 tube for voltage gain, MOSFET current buffer for output
basic PCB kit with parts for $129; complete kit with all parts for $290; finished preamp ready to use for $390
The result is more similar to products in the $500-700 range
estimated shipping date is end of January 2012
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the basic PCB board kit with parts (no chassis, no tubes, no transformers) |
$290 plus $10 shipping inside USA |
, $390 plus $15 shipping inside USA |
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