New tube amplifier from Jolida - the JD 707A
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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).
|
Dimensions: |
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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