No. I also have the original pcb, but in the end I built on the boards from @platon.rado, I always wanted a dual mono preamp. I already have Gainwire done, both pcb's worked on the first power up. I have yet to assemble the controller, switching on the front panel with the blue led. I am currently hesitating whether to buy a TKD 2CP-2511 potentiometer or a 48 stepeed atteunator ELMA. Input switcher will be from ELMA, I only need 2 inputs (DAC, Phono). I'm still thinking whether to invest in high quality cinch connectors (copper+gold) or just buy ordinary ones (brass+gold)Any duel executed?
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I also ruled out digital volume control, I was deciding between the TKD potentiometer and the atteunator. In the end I leaned towards the attenuator from Khozmo (48 steps), ...which is on its way.My opinion is that digital potentiometers are not good enough, the GainWire mk3 preamp has much lower distortion, only passive resistors attenuators are good enough, even best dual potentiometers as Alps or other kind have to big differences between tracks.
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I'm just waiting for the internal cabling from Neotech (pure cu for power supply & pure silver for signal wiring) Furutech connectors and the Elma switch.
The Gainwire MK3 will eventually only be used as a preamplifier. The headphone amplifier will be a DCG3 from Salas.
The Gainwire MK3 will eventually only be used as a preamplifier. The headphone amplifier will be a DCG3 from Salas.