Uptown  Audio


Jolida vacuum tube amplifiers

Roanoke VA



Technical Specifications:

Rated Output Power:
60 W per channel at 8 ohms, 25Hz to 60KHz

Frequency Response:
(at 1 watt into 8 ohms) 8Hz to 130KHz + 1dB

15Hz to 80KHz + 3dB; 0dB 60 W 1KHz

Distortion THD:
Less than 1% at 20 V output, 28Hz to 15KHz

Circuit Type:
Ultra Linear, Class AB

Input Impedance:

Input Sensitivity:
600mV at 1KHz for 60 watt output

Output Impedance:
4 ohms and 8 ohms

Negative Feedback: 
Less than 5 dB

Noise and Hum:
85dB below rated output

Tube Complement:
2 matched pairs (4) of 6550/KT88 power output; 2 pcs. 12AX7A/ECC83 pre-amplifier; 2 pcs. 12AT7/ECC81 power drivers.

Power Requirements:
110V-120 VAC 60Hz 180 watts-standby, 450 watts maximum (220 VAC 50Hz option).

17 inches (43cm) wide by 15 inches (38cm) deep by 7.5 inches (19 cm) high.

39 pounds (18 Kg) net, approximately 46 pounds (21 Kg) packaged.

Two year limited parts and labor. One year or 1000 hours whichever comes first on Jolida Tubes.

Bias Settings:
50 millivolts + 5 mV

110 - 120 VAC, 6.3 Fast Amp Blo; 200 - 240 VAC, 3 Amp Fast Blo

Equipment Email