loading
reading
writing
saving
searching
Audio Research D240 Stereo Amplifier - $1,500 (berkeley)
condition:
like new
QR Code Link to This Post
This monster amplifier was Fully Serviced by audio research In 2019
MSRP (US NEW RETAIL)
$2,995 ($6k in 2021).
POWER OUTPUT
120 watts per channel into 8 ohms, 240 watts per channel into 4 ohms
POWER BANDWIDTH
(-3dB points) 8Hz to 60kHz
INPUT SENSITIVITY
1.6V RMS for rated putput (25.8dB gain) unbalanced or balanced
INPUT IMPEDANCE
150k ohms normal or invert, 300k ohms balanced differential
OUTPUT REGULATION
0.05dB 8 ohm load to open circuit
OVERALL NEGATIVE FEEDBACK
7.7dB
DAMPING FACTOR
170
SLEW RATE
50V/µs
RISE TIME
1.5 µs
HUM & NOISE
Less than 150 µs RMS (106dB below rated output IHF A-weighted)
POWER SUPPLY ENERGY STORAGE
144,000 µF
POWER REQUIREMENTS
105-125VAC 60Hz (210-250VAC 50 Hz) 480 watts at rated output (120WPC 8 ohms).
800 watts maximum (240WPC 4 ohms), 140 watts idle
OTHER
Input Polarity: Non-inverting at normal inputs. Balanced pin 2+.
DIMENSIONS
19" (48 cm) W (standard rack panel) x 5¼" (13.3 cm) H x 11 ⅝" (29.5 cm) D (front panel back). Handles extend 1 and ⅝" (4.1 cm) forward of the front panel. Output connectors extend 1" behind rear panel.