Jolida vacuum tube amplifiers

Roanoke VA

Jolida

JD202A

Technical Specifications:

Power Output:
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