Home : Catalogue : Tube Amplifiers : JD 202A

Model JD 202A

Construction Details and Features:

  • Fully Integrated Stereo Amplifier: Input 350mV driving 40 watts, maximum 50 watts output.
  • Multiple Inputs: Front mounted selector switch-CD, Tuner and Aux (for TV, DVD Player, VCR or computer).
  • 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.
  • State of the Art Components: ALPS or Panasonic audio potentiometer, gold plated RCA input jacks, gold plated five way speaker connectors.
  • Low Feedback Design: Only 9 dB.

Technical Specifications:

Maximum Power Output:
60 W per channel at 8 ohms, 1KHz
Rated Output Power:
40 W per channel at 8 ohms, 30Hz to 80KHz
Frequency Response:
(at 1 watt into 8 ohms) 7Hz to 140KHz + 3dB; 0dB at 1KHz
Bandwidth:
17Hz to 140KHz + 3dB; 0dB = 40 W 1KHz, 8 ohms
Distortion THD + N:
Less than 1% at 30W output, 40Hz to 14KHz, 8 ohms
Circuit Type:
Ultra Linear, Class AB1
Input Impedance:
100Kohms
Input Sensitivity:
Max. 350mV at 1KHz for 40 watt output
Output Impedance:
4 ohms and 8 ohms
Negative Feedback:
Less than 9 dB
Noise and Hum:
80dB below rated output.
Tube Complement:
2 matched pairs (4) of 6CA7/EL34 power output; 2 pcs. 12AX7A pre-amplifier, 2 pcs. 12AT7 power drivers.
Power Requirements:
110V-120 VAC 60Hz 120 watts-standby, 300 watts maximum (220 VAC 50Hz option).
Dimensions:
12.5 inches (30 cm) wide by 12 inches (31 cm) deep by 8.25 inches (21 cm) high.
Weight:
28 pounds (13 Kg) net, approximately 32 pounds (15 Kg) packaged.
Warranty:
One year limited parts and labor. Six months or 500 hours whichever comes first on Jolida Tubes.
Bias Settings:
40 millivolts + 4 mV
Fuse:
110-120 VAC, 6.3 Fast Blo; 200-240 VAC, 3 Amp Fast Blo