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D Series Power Amplifiers
page 15
Operation Manual
6 Specifications
Minimum Guaranteed Power D-45 D-75A
120V/60 Hz Units, Dual mode, per channel, both channels driven
1 kHz with 0.1% THD
4 ohms
8 ohms
16 ohms
35W
25W
20W
55W
40W
25W
120V/60 Hz Units, Bridge mono mode
1 kHz with 0.1% THD
8 ohms
16 ohms
70W
50W
110W
80W
Performance D D-455 D- D-75AA
Frequency Response (at 1 watt, 20Hz - 20 kHz) ± 0.1 dB ± 0.1 dB
Phase Response (at 1 watt, 20Hz - 20 kHz) +10° to -15° +10° to -15°
Signal to Noise Ratio (below rated power, 20 Hz to 20 kHz) 106 dB unweighted 106 dB unweighted
Total Harmonic Distortion (THD) at 1 watt, from 20 Hz to 20 kHz < 0.05% < 0.05%
Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1,
from.25 watts to full bandwidth power
< 0.01% < 0.01%
Damping Factor: DC to 400 Hz > 400 > 400
Crosstalk (below rated power, 100 Hz to 1 kHz) >100 dB > 100 dB
Input Impedance nominally balanced, nominally unbalanced 20 kilohms, 10 kilohms 20 kilohms, 10 kilohms
Load Impedance (Note: Safe with all types of loads)
Stereo
Bridge Mono
4-16 ohms
8-16 ohms
4-16 ohms
8-16 ohms
Required AC Mains
North American units
International units
120 VAC, 60 Hz
100, 120, 200, 220, and 240 VAC (± 10%), 50 to 400 Hz
depending on the transformer configuration
120 VAC, 60 Hz
100, 120, 200, 220, and 240 VAC (± 10%), 50 to 400 Hz
depending on the transformer configuration
Power Draw at Idle 15 W or less 15 W or less
Cooling Convection cooled through chassis and front panel Convection cooled through chassis and front panel
Dimensions: Width, Height, Depth 19 in. (48.3 cm) x 1.75 in. (4.5 cm) x 8.5 in. (21.6 cm) 19 in. (48.3 cm) x 1.75 in. (4.5 cm) x 8.5 in. (21.6 cm)
Net Weight, Shipping Weight 8 lb. 11 oz. (3.9 kg), 10 lb . 9 oz. (5. 1 kg) 9 lb . 7 oz. (4.3 kg), 11 lb . 4 oz. (5.1 kg)