JD9 Phono Preamp






If vinyl is a source of enjoyment, then the JD9A is a versatile tube unit that is sure to enhance your sound. With dim adjustments and two levels of output, you can easily configure the unit into your system, and then the fun begins.

Construction Details and Features:
  • Phono pre-amplifier that will handle MM, MC and Dynamic head cartridges.
  • Rated sensitivity at .25 mV – 80 dB.
  • Two Outputs RIAA, Line stage.
  • Adjustable gain settings for cartridge type
  • State of the Art Components: Gold plated RCA inputjacks.
  • Low profile full body allows the unit to act as a base for your amplifier or turntable. No need to loseanother shelf for a component.
  • Tube Output

  • Technical Specifications:
    Frequency Response: 5Hz to 110KHz, (+/- 1 dB)
    SNR: > 100 dB
    Distortion THD: Less than .02%
    Input Impedance: 100Kohms
    Output Impedance: 600 ohms
    Phono Stage:  
    MM: 60 dB, 5 mV
    MC High: 75 dB, 0.5 mV – 1.5 mV
    MC Low: 80 dB, 0.25 mV – 0.5 mV
    Input Resistance: 100 ohm, 300 Ohm, 1Kohm, 47Kohm
    Input Capacitance: 47 PF, 100PF, 150PF, 220PF
    Tube Complement: 2 pcs. 12AX7
    Size: 17 in. (W) x 13 in. (D) x 2 in. (H)
    Weight: 10 lbs., 14 lbs. Boxed
    Warranty: One year parts and labor, Six months year on tubes