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Audio Research D400 MKII in silver  Zoom

Audio Research D400 MKII in silver

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SKU: AudioResearchD400MKII
Audio Research D400 MKII 200 watts/channel $5995 retail

Power output 200 watts per channel into 8 ohms, 400 watts per channel into 4 ohms.
Power bandwidth D400: (-3dB points): 0.01Hz-160kHz
D400 MKII: (-3dB points) 4Hz to 100 kHz Low level: (-3dB points) 0.01Hz to 160kHz.
Frequency response
Input sensitivity D400: 1.91V RMS for rated output (26.4 dB gain) unbalanced or balanced
D400 MKII: 2.0V RMS for rated output (26dB gain) unbalanced or balanced
Input impedance D400: 150K ohms normal or invert, 300K ohms balanced differential
D400 MKII: 57K ohms normal or invert, 114K ohms balanced differential
Output taps
Output regulation 0.06dB 8 ohm load to open circuit
Overall negative feedback D400: 9.3dB
D400 MKII: 9.7dB
Damping factor 150
Slew rate 50V/µs
Rise time 1.0 µs
Hum & noise D400: Less than 150 µV RMS (106dB below rated output IHF A-weighted)
D400 MKII: Less than 220 µV RMS (105dB below rated output IHF A-weighted)
Power supply energy storage 270,000 µF
Power requirements 105-125VAC 60Hz (210-250VAC 50 Hz) 760 Watts at rated output (200WPC 8 ohms). 1200 watts maximum (400WPC 4 ohms), 220 watts idle
Other Peak output current: 60 Amp peak into 1 ohm
Input polarity: Non-inverting at normal inputs. Balanced pin 2+
Dimensions 19" (48 cm) W (standard rack panel) x 9" (22.8 cm) (8¾" (22.2 cm) panel + ¼" feet (0.6 cm) H x 17¾" (45.0 cm) D (front panel back). Handles extend 1 and 5/8" (4.1 cm) forward of the front panel. Handles extend 1 and 5/8" (4.1 cm ) behind rear panel
Weight D400: 73 lbs. (33.2 kg) Net, 90 lbs. (41.0 kg) Shipping
D400 MKII: 76 lbs. (34.5kg) Net, 94 lbs. (42.7 kg) Shipping

In service 11/20

Availability: In stock

Product Description


    Audio Research D400 MKII
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