I'm selling a complete and working WHAMMY headphone amp that I recently assembled.
Only quality components were used like a DIY Audio Store PCB, Panasonic and Nichicon electrolytic caps, Vishay RN55 series resistors, Vishay MKP input coupling caps, ON Semiconductor regulators, Fairchild MOSFETs, and a Dact Type 21 stepped volume attenuator.
This is a great sounding headphone amp that allows you to "roll" op-amps to change the sound signature.
Will come with a OPA2134 op-amp already installed.
Gain is currently set at 3 but is easily changed with 2 resistors. Bias is set at 60mA.
I installed a small glass fuse on the board since I had no intentions of mounting the board in a enclosure.
It's easily removed with a soldering iron should you decide to mount it in a enclosure which may have a integral fuse in the IEC socket.
Price is $80 plus $13.65 Priority Mail shipping plus 3% for PayPal.
NO international shipping so please don't ask.
Only quality components were used like a DIY Audio Store PCB, Panasonic and Nichicon electrolytic caps, Vishay RN55 series resistors, Vishay MKP input coupling caps, ON Semiconductor regulators, Fairchild MOSFETs, and a Dact Type 21 stepped volume attenuator.
This is a great sounding headphone amp that allows you to "roll" op-amps to change the sound signature.
Will come with a OPA2134 op-amp already installed.
Gain is currently set at 3 but is easily changed with 2 resistors. Bias is set at 60mA.
I installed a small glass fuse on the board since I had no intentions of mounting the board in a enclosure.
It's easily removed with a soldering iron should you decide to mount it in a enclosure which may have a integral fuse in the IEC socket.
Price is $80 plus $13.65 Priority Mail shipping plus 3% for PayPal.
NO international shipping so please don't ask.
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