Aven 17010 Adjustable Circuit Board Holder

6J1 Valve Preamp Buffer Diy Kits Tube Amplifiers Audio board Amplificador Pre-Amp Amplifier Audio Board

Models: 6 j1 tube (substitution model 6 au6 ak5, 6, 5654, etc.)
Channel types: 2.0 / stereo
Working voltage: communication AC12V 0.8 A or above
The power interface: 5.5 * 2.5 plug
Circuit board size: 77 x 75 x 57 mm high
The weight: 87 g (with copper column)

Note:This is Diy Kits.you need do it yourself.this board clear sound, strong amplification function, high efficiency, high frequency response density.

Package included: 1 set 6J1 Valve Preamp Buffer Diy Kits (Without the instruction book )

Models: 6 j1 tube (substitution model 6 au6 ak5, 6, 5654, etc.)
Channel types: 2.0 / stereo
Working voltage: communication AC12V 0.8 A or above
The power interface: 5.5 * 2.5 plug
Use a single AC 12V input; the circuit processing provides 6J1 tube needed positive and negative voltage and filament power supply voltage
Models: 6 j1 tube (substitution model 6 au6 ak5, 6, 5654, etc.)
Channel types: 2.0 / stereo
Working voltage: communication AC12V 0.8 A or above
The power interface: 5.5 * 2.5 plug
Use a single AC 12V input; the circuit processing provides 6J1 tube needed positive and negative voltage and filament power supply voltage

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