New tube amplifier from Jolida - the JD 707A

Jolida vacuum tube amplifier

Model JD707A

Maximum Power Output: 60 W per channel at 8 ohms, 1KHz, at peak 50% duty cycle
Rated Output Power: 40 W per channel at 8 ohms, 29Hz to 70KHz
Frequency Response: (at 1 watt into 8 ohms) 20Hz to 72KHz + 1dB; 0dB at 1KHz
Bandwidth: 14Hz to 130KHz + 3dB; 0dB = 40 W 1KHz, 8 ohms
Distortion THD: Less than 1% at 40W output, 29Hz to 20KHz, 8 ohms
Circuit Type: Ultra Linear, Class AB1
Input Impedance: Less than 100Kohms
Input Sensitivity:

Max. 550mV at 1KHz for 40 watt output

Output Impedance: 4 ohms and 8 ohms
Negative Feedback: Less than 2 dB
Noise and Hum: 92dB below rated output.
Tube Complement: 2 matched pairs (4) of 6P3P/5881 power output; 2 pcs. 12AX7A pre- amplifier, 2 pcs. 12AT7A 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.

Fuse: 110V-120 VAC 6.3 fast blo, 220V-240 VAC 3.15 fast blo, 5mm x 20mm
Weight: 52 pounds (21.5 Kg) net, approximately 55 pounds (25 Kg) packaged.
Warranty: Two years limited parts and labor. One year or 1,000 hours whichever comes first on Jolida Tubes.
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