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Model JD 102B

Construction Details and Features:

  • Fully Integrated Stereo Amplifier: Input 900mV driving 20 watts, maximum 25 watts output.
  • Multiple Inputs: CD and Aux (for Tuner, TV, DVD Player, VCR, Tape Recorder, Computer and etc). Tape Loop and Pre-Out are available on request.
  • Right and Left Stereo Balance Control: + 20dB at both right and left front panel control.
  • Custom Wound Audio Transformers with a core of German grain oriented silicon steel. 15th generation proprietary design. Secondary can be configured for a 4 ohm or 8 ohm load.
  • Top Panel Bias Testing Terminals with Bias Adjustment Controls.
  • State of the Art Components: Gold plated RCA input jacks, gold plated five way speaker connectors.

Technical Specifications:

Maximum Power Output:
25 W per channel at 8 ohms, 1KHz
Rated Output Power:
20 W per channel at 8 ohms, 26Hz to 50KHz
Frequency Response:
(at 1 watt into 8 ohms) 7Hz to 95KHz + 1dB; 0dB at 1KHz
Bandwidth:
14Hz to 80KHz + 3dB; 0dB = 20 W 1KHz, 8 ohms
Distortion THD + N:
Less than 1.5% at 15W output, 39Hz to 10KHz, 8 ohms
Circuit Type:
Ultra Linear, Class AB1
Input Impedance:
= or < 250Kohms
Input Sensitivity:
Max. 900mV for 20 watt output at 1KHz
Output Impedance:
4 ohms and 8 ohms
Negative Feedback:
Less than 7 dB
Signal & Noise Ratio S/N:
70dB below rated output from 10Hz to 200Khz.
Tube Complement:
2 matched pairs (4) of EL84 power output; 1 pcs. 12AX7A pre-amplifier.
Power Requirements:
110V-120 VAC 60Hz 90 watts-standby, 200 watts maximum (220 VAC 50Hz option).
Dimensions:
12 inches wide by 8 inches deep by 5 inches high.
Weight:
18 pounds net, approximately 22 pounds packaged.
Warranty:
One year limited parts and labor.