New Preamp Stereo Audio 12AU7*2 12AX7*2 6Z4*2 HiFi Tube Preamplifier Vacuum Tube

Very expensive Q-class 6Z4 rectifier tube. Adopting ShuGuang 12AU7 2. Adopting ShuGuang 12AX7 2. Input sensitivity: 300MV. The chassis is exquisite aluminum alloy CNC processing technology, very luxurious.

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