Crown 4300, Руководство по эксплуатации

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DCi Series
Power Amplifiers
Operation Manual
page 20
2|300 2|600 4|300 4|600 8|300 8|600
Frequency Response
(8 Ohms, 20 Hz - 20 kHz)
±0.25dB ±0.25dB ±0.25dB ±0.25dB ±0.25dB ±0.25dB
Signal to Noise Ratio (ref. rated power,
(8 Ohms, 20 Hz - 20 kHz)
>108 dB >108 dB >108 dB >108 dB >108 dB >108 dB
Total Harmonic Distortion (at full rated
power, from 20 Hz - 20 kHz)
0.35% 0.35% 0.35% 0.35% 0.35% 0.35%
Intermodulation Distortion
(60Hz and 7 kHz at 4:1, from - 30dB
to full rated power)
≤0.35% ≤0.35% ≤0.35% ≤0.35% ≤0.35% ≤0.35%
Damping Factor (20 Hz to 100 Hz) >900 >900 >900 >900 >900 >900
Crosstalk
(below rated power, 20 Hz to 1 kHz)
>80 dB >80 dB >80 dB >80 dB >80 dB >80 dB
Common Mode Rejection
(20 Hz to 1 kHz, typical)
>70 dB >70 dB >70 dB >70 dB >70 dB >70 dB
DC Output Offset (with inputs shorted) ±10mV ±10mV ±10mV ±10mV ±10mV ±10mV
Input Impedance (Nomminally bal-
anced, nominally unbalanced)
10 kOhms,
5 kOhms
10 kOhms,
5 kOhms
10 kOhms,
5 kOhms
10 kOhms,
5 kOhms
10 kOhms,
5 kOhms
10 kOhms,
5 kOhms
Maximum Input Level
Before Compression
+20dBU +20dBU +20dBU +20dBU +20dBU +20dBU
Maximum Input Level Before Clipping +26dBU +26dBU +26dBU +26dBU +26dBU +26dBU
Required AC Mains (±10%) 100V - 240V~ 50/60Hz
Cooling Continuously variable speed forced air, front-to-back airflow
Load Impedance
Stereo/Dual Mode
2 - 16 Ohms; 70Vrms and 100Vrms
Load Impedance
Bridge Mono
4 - 16 Ohms; 140Vrms and 200Vrms
Maximum Fan Noise
(re dB SPL @ 1M)
45 45 45 45 47 47
Weight
18.8 lbs
(8.53kg)
18.8 lbs
(8.53kg)
20.1 lbs
(9.12kg)
20.1 lbs
(9.12kg)
23.5 lbs
(10.66kg)
30 lbs
(13.60kg)
IEC Power Connector 15A IEC 15A IEC 15A IEC 15A IEC 15A IEC 20A IEC
Performance Specifications
DCi Specifications
DCi Model Width Height Depth
2|300 19 in. (48.3 cm) 3.5 in. (8.9 cm) 14.25 in. (36.2 cm)
2|600 19 in. (48.3 cm) 3.5 in. (8.9 cm) 14.25 in. (36.2 cm)
4|300 19 in. (48.3 cm) 3.5 in. (8.9 cm) 14.25 in. (36.2 cm)
4|600 19 in. (48.3 cm) 3.5 in. (8.9 cm) 14.25 in. (36.2 cm)
8|300 19 in. (48.3 cm) 3.5 in. (8.9 cm) 14.25 in. (36.2 cm)
8|600 19 in. (48.3 cm) 3.5 in. (8.9 cm) 17 in. (43.2 cm)
Dimensions