New Poseidon input board with adjustable bias on each channel. It uses 1x 12ax7 and 1x 12au7. Wide choice of tube rolling offered with this board. Mundorf M-Cap Supreme coupling caps.
Takman (Japan) carbon film resistors. Will come with different tubes than the ones pictures. A pair of Russian or Chinese KT88, Russian or JJ 5AR4, new production or good testing old production 12ax7 and 12au7. It is a 60 years old electronic after all. You're welcome to come ear it play at my house if you're around.The item "2x Dynaco Mark III Monoblock tube amplifier upgraded Poseidon, SDS board" is in sale since Thursday, July 30, 2020. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "japan_ganymede" and is located in New York, New York. This item can be shipped worldwide.