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Hybrid tube amplifier. Has printed "Hello, head-fier. Because of you, here we...

Head-Direct EF1

  • Hybrid tube amplifier.

    Has printed "Hello, head-fier. Because of you, here we are."

    Specifications:
    Opamp: OPA275
    Tube: 12AU7 (SINO)
    Frequency Response: 20-30K Hz
    THD+N: less than 0.2%
    S/N: more than 95dB
    Input impedance: 50K Ohm
    Output impedance: 2–2K Ohm headphones
    Output signal strength: up to 15 Volts at 32 Ohm
    Input: RCA x 1
    Output: 1/4 headphone jack x 1
    Dimension: 110mm(W)x 50mm(H) x 270mm(D), or 4.33inch(W) x 1.97inch (H) x 10.63inch (D)
    Weight: 750g (without power supply)
    Accessories: 12AU7 tube, 18V AC power supply
    Origin: China (Hand built in Shanghai)

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