12AX7 / 12AU7 HIFI Tube Preamplifier Preamp Board DIY Base On Marantz 7 Circuit
Use double-sided immersion gold process gold-plated circuit board, thicker gold-plated! PCB size: 10×15CM double-sided military PCB
All Taiwan-made precision metal film resistors with copper feet
Siemens high voltage filter capacitor!!
Ceramic gold-plated electronic tube sockets ensure contact reliability!
The pre-stage circuit of the main drum has inaudible noise!
This is the shop owner’s favorite pre-amp circuit,
Because of its proper second harmonic distortion, the connected power amplifier can have more bile performance! The sound performance is mellow
Package Included:
1PCS classic tube preamplifier preamplifier board DIY kit, suitable for 12AX7 12AU7 tubes
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