Uptown  Audio

Jolida vacuum tube amplifier

Roanoke VA


Jolida JD801A

Technical Specifications:
Rated Output Power:
70 W per channel at 8 ohms, 29Hz to 25KHz

Frequency Response:
(at 1 watt into 8 ohms) 6Hz to 48KHz + 1dB

14Hz to 70KHz + 3dB; 0dB = 70 W 1KHz, 8 ohms

Distortion THD:
Less than 1% at 11V output, 49Hz to 20KHz, 8 ohms

Circuit Type:
Ultra Linear, Class AB1

Input Impedance:
Less than 100Kohms

Input Sensitivity:
Max. 550mV at 1KHz for 70 watt output

Output Impedance:
4 ohms and 8 ohms

Negative Feedback:
Less than 5 dB

Noise and Hum:
70dB below rated output.

Tube Complement:
2 matched pairs (4) of 6550/KT88 power output; 1 pc. 12AX7A pre-amplifier, 2 pcs. 12AT7A or 6SN7GT power drivers.

Power Requirements:
110V-120 VAC 60Hz 250 watts-standby, 500 watts maximum (220 VAC-240 VAC 50Hz option).

18.25 inches (46.5 cm) wide by 13.5 inches (34.5 cm) deep by 8.5 inches (22 cm) high.

47 pounds (21.5 Kg) net, approximately 55 pounds (25 Kg) packaged.

One year limited parts and labor. One year or 1,000 hours whichever comes first on Jolida Tubes.