• Preamp board Works voltage: +DC280V (above 10ma ) X 2 groups and + DC12.6V ( above 0.8A)

  • Power supply board input voltage: 0-AC220V X 2 (200V-240V are ok) 0-AC12V X 1 (12-15V are ok)

  • Preamp PCB Size: 154*77*1.6MM

  • PSU PCB Size: 130*70*1.6MM

  • Feature:

    Assembeld Power supply board, We have KIT with the ASIN#B078K9DTQF
    Designed with dual independent design, physical left and right channels 100% separation, independent grading ground.
    Preamp board Works voltage: +DC280V (above 10ma ) X 2 groups and + DC12.6V ( above 0.8A)
    Power supply board input voltage: 0-AC220V X 2 (200V-240V are ok)
    0-AC12V X 1 (12-15V are ok)
    Preamp PCB Size: 154*77*1.6MM
    PSU PCB Size: 130*70*1.6MM
    Taiwan metal film resistance 1% accuracy
    MKP coupling capacitor
    Ceramic tube socket.
    This board can using 3pcs 12AX7 or some other same type tubes (12AXX series are all ok).
    if you want change using Filament voltage 6.3V tubes. such as 6N11/6N2.... can adjust the power supply board lower voltage to 6.3V. and the input Low AC voltage 6V-9V are ok.
    Package: 1pc PRT-07A Hifi Tube preamplifier (no tube) + Power supply board /base on M7 preamp

    PRT-07A Hifi Tube preamplifier (no tube) + Power supply board/base on M7 preamp - B078JLBH1N

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    PRT-07A Hifi Tube preamplifier (no tube) + Power supply board/base on M7 preamp - B078JLBH1N

    • Product Code: B078JLBH1N
    • Availability: In Stock
    • $228.74
    • $119.14


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