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Operation Manual
CH and CL Series Power Amplifiers
page 30
7 Specifications
Minimum Guaranteed Power CL1 CL2 CL4
120V/60 Hz Units, Dual mode, per channel, both channels driven
1 kHz at rated THD
2 ohms
4 ohms
8 ohms
560W
450W
275W
975W
660W
400W
1,400W
1,200W
600W
120V/60 Hz Units, Bridge mono mode
1 kHz at rated THD
4 ohms
8 ohms
1,100W
900W
1,950W
1,320W
2,800W
2,400W
Performance CL1 CL2 CL4
Frequency Response (at 1 watt, 20 Hz - 20 kHz) ± 0.1 dB ± 0.1 dB ± 0.25 dB
Phase Response (at 1 watt, 10 Hz - 20 kHz) ± 15° ± 15° ± 15°
Signal to Noise Ratio below rated power (A-weighted) > 105 dB > 105 dB > 100 dB
Total Harmonic Distortion (THD) at rated 1 kHz power, 20 Hz to 20 kHz < 0.5% < 0.5% < 0.5%
Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1,
from rated power to 30 dB below rated power at 8 ohms
< 0.1% < 0.1% < 0.5%
Damping Factor (8 ohm), 10 Hz to 400 Hz > 600 > 600 > 1000
Crosstalk (below rated power, 20 Hz to 20 kHz)
*at 10 kHz
> 50 dB > 50 dB > 50 dB*
Common Mode Rejection (CMR), 20 Hz to 1 kHz > 40 dB > 40 dB > 40 dB
DC Output Offset (Shorted input) ± 10 mV ± 10 mV ± 10 mV
Input Impedance nominally balanced, nominally unbalanced 20 kilohms, 10 kilohms 20 kilohms, 10 kilohms 20 kilohms, 10 kilohms
Load Impedance (Note: Safe with all types of loads)
Stereo
Bridge Mono
2/4/8 ohm
4/8/16 ohm
2/4/8 ohm
4/8/16 ohm
2/4/8 ohm
4/8/16 ohm
Voltage Gain (at maximum level setting), 1 kHz, 1.4V sensitivity
4/8 Ohm Operation 30.5 dB 32.1 dB 34.0 dB
Required AC Mains (voltages ± 10%) 100V, 7.6A, 60 Hz
120V, 6.3A, 60 Hz
230-240V, 3.5A, 60 Hz
100V, 11.4A, 60 Hz
120V, 9.5A, 60 Hz
230-240V, 5.0A, 60 Hz
100V, 8.5A, 50/60 Hz
120V, 7.1A, 50/60 Hz
230-240V, 3.7A, 50/60 Hz
Cooling Proportional speed fan Proportional speed fan 3-speed Fan-On-Demand
Dimensions: Width, Height, Depth 19 in. (48.3 cm) x 5.25 in. (13.34 cm) x
12.25 in. (31.11 cm)
19 in. (48.3 cm) x 5.25 in. (13.34 cm) x
12.25 in. (31.11 cm)
19 in. (48.3 cm) x 5.25 in. (13.34 cm) x
16.25 in.* (36.56 cm)*
Net Weight, Shipping Weight 32.6 lb (14.78 kg), 38.6 lb (17.48 kg) 40.3 lb (18.28 kg), 46.3 lb (20.98 kg) 33.3 lb (15.1 kg), 39.3 (17.8 kg)
The following specifications apply to all models in Dual 8/4 ohm mode with 8-ohm loads unless otherwise specified.
* CL4 depth is 17.5 in. (14.45 cm) from back of front rack ears to back of speaker-terminals cover.