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Audio Research Classic 30 stereo power amplifier (sold)
Hi-Fi 4 Sale - Malaysia / Singapore Audio Forum & Marketplace | www.hifi4sale.net :: Audio & Video Equipment Marketplace :: Audio & Video Equipment: FOR SALE (Pre-owned & Used)
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Audio Research Classic 30 stereo power amplifier (sold)
by YUAN Tue May 03, 2022 6:47 pm
POWER OUTPUT
30 watts minimum continuous at 16 ohms from 17Hz to 20kHz with less than 1.0% total harmonic distortion. Typically below .005% at 1 watt. Approximate actual power available at "clipping": 32 watts (1kHz) (Note that the actual RMS power output is dependent upon both line voltage and "condition" ie: if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not very critical.)
POWER BANDWIDTH
(-3dB points): 15Hz to 50kHz
FREQUENCY RESPONSE
-
INPUT SENSITIVITY
.4V RMS for rated output
INPUT IMPEDANCE
100K ohms, nominal
OUTPUT TAPS
-
OUTPUT REGULATION
Approximately 0.4dB 16 ohm load to open circuit
OVERALL NEGATIVE FEEDBACK
19dB
DAMPING FACTOR
Approximately 23
DISTORTION
-
SLEW RATE
15V/µs
RISE TIME
3.5 µs
HUM & NOISE
Less than 0.5mV RMS - 93dB below rated output (20kHz bandwidth unweighted, inputs shorted)
POWER SUPPLY ENERGY STORAGE
Approximately 150 joules
POWER REQUIREMENTS
105-125VAC 60Hz (210-250VAC 50Hz) 300 watts at rated output, 400 watts maximum, 200 watts at "idle"
TUBE COMPLEMENT
(2 matched pairs) 6550 power output, (2) 6FQ7/6CG7 drivers
DIMENSIONS
19" (48 cm) W (standard rack panel) x 7" (18 cm) H x 14½" (37 cm) D (front panel back). Handles extend 1 ⅝" (4.1 cm) forward of the front panel. Output connectors extend 1" behind rear panel.
CONDITION: 7.5/10
PRICE : sold
FOR MORE DETAILS PLEASE CALL OR WHATAPPS
018-9742567 YANG
016-5968723 YUAN
30 watts minimum continuous at 16 ohms from 17Hz to 20kHz with less than 1.0% total harmonic distortion. Typically below .005% at 1 watt. Approximate actual power available at "clipping": 32 watts (1kHz) (Note that the actual RMS power output is dependent upon both line voltage and "condition" ie: if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not very critical.)
POWER BANDWIDTH
(-3dB points): 15Hz to 50kHz
FREQUENCY RESPONSE
-
INPUT SENSITIVITY
.4V RMS for rated output
INPUT IMPEDANCE
100K ohms, nominal
OUTPUT TAPS
-
OUTPUT REGULATION
Approximately 0.4dB 16 ohm load to open circuit
OVERALL NEGATIVE FEEDBACK
19dB
DAMPING FACTOR
Approximately 23
DISTORTION
-
SLEW RATE
15V/µs
RISE TIME
3.5 µs
HUM & NOISE
Less than 0.5mV RMS - 93dB below rated output (20kHz bandwidth unweighted, inputs shorted)
POWER SUPPLY ENERGY STORAGE
Approximately 150 joules
POWER REQUIREMENTS
105-125VAC 60Hz (210-250VAC 50Hz) 300 watts at rated output, 400 watts maximum, 200 watts at "idle"
TUBE COMPLEMENT
(2 matched pairs) 6550 power output, (2) 6FQ7/6CG7 drivers
DIMENSIONS
19" (48 cm) W (standard rack panel) x 7" (18 cm) H x 14½" (37 cm) D (front panel back). Handles extend 1 ⅝" (4.1 cm) forward of the front panel. Output connectors extend 1" behind rear panel.
CONDITION: 7.5/10
PRICE : sold
FOR MORE DETAILS PLEASE CALL OR WHATAPPS
018-9742567 YANG
016-5968723 YUAN
YUAN- Frequent Contributor
- Number of posts : 135
Age : 27
Location : IPOH, PERAK
Registration date : 2021-01-06
Character sheet
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Hi-Fi 4 Sale - Malaysia / Singapore Audio Forum & Marketplace | www.hifi4sale.net :: Audio & Video Equipment Marketplace :: Audio & Video Equipment: FOR SALE (Pre-owned & Used)
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