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Rated Power @ 4 ohms (1kHz single channel driven)
Rated Power @ 8 ohms (1kHz single channel driven)
Rated Power @ 70.7 volts (1kHz single channel driven)
Rated Power @ 100 volts (1kHz single channel driven)
Rated Power @ 4 ohms (all ch driven 50% duty cycle*)
Rated Power @ 8 ohms (all ch driven 50% duty cycle*)
Rated Power @ 70.7 volts (all ch driven 50% duty cycle*)
Rated Power @ 100 volts (all ch driven 50% duty cycle*)
Minimum Load Impedance
Frequency Response (‐.5 dB @ 1 watt (8 ohm load)
Damping Factor (8 ohms)
Input CMRR
Voltage Gain (Low Z)
Voltage Gain (70v/100v)
High Pass Filter
Input Sensitivity (Low Z)
Input Sensitivity (70v/100v)
Input Impedance
Noise and Hum
Current Consumption all Channels
Idle:
1/8 Power 8 ohms / 4 ohms:
1/3 Power:
Thermal Emission all Channels (btu/hour)
Idle:
1/8 Power 8 ohms / 4 ohms:
1/3 Power 8 ohms / 4 ohms:
Cooling
Controls
Front:
Rear:
Indicator LEDs
Front panel:
Rear panel:
Channel Protection (per channel fault)
Power Supply Protection (PS1 channels 1‐4, PS2 channels 5‐8)
Unit Protection (device fault)
Connectors
Input:
Output:
Construction
Dimensions
Height:
Width (front):
Width (rear):
Overall depth:
Mounting depth:
Gross Weight
Net Weight
Power Requirements
Warranty
* repetitive 1kHz cycles 50ms onset of clip and 50ms at 1/8 power
CKd Series Owners Manual v1e
CKd 1208
1,250 watts per channel at <0.15%
1,250 watts per channel at <0.15%
1,250 watts per channel at <0.15%
1,250 watts per channel at <0.1%
1,250 watts per channel at 1kHz
1,250 watts per channel at 1kHz
1,250 watts per channel at 1kHz
1,250 watts per channel at 1kHz
4 ohms
10 Hz ‐ 20 kHz
>200:1 @ 20 Hz ‐ 1 kHz
< ‐75 dB at 1kHz
x 40 (32.0 dB)
x 50 (34.0 dB)
70 Hz, 3rd order HPF
1.9V for 1 kHz 4‐ohm rated power
2.55V for 1 kHz 8‐ohm rated power
1.4V for 1 kHz (70V) 4‐ohm rated power
2.5V for 1 kHz (100V) 8‐ohm rated power
20K Ohms balanced, 10K Ohms unbalanced
> ‐ 95dB, "A" weighted reference to rated power @ 8 ohms
200 watts, 400VA
1.6kW, 2.45kVA / 1.72kW, 2.7kVA
4kW, 6kVA / 4.4kW, 6.6kVA
677 btu/hr
1060 / 1170
2115 / 2330
On/Standby/Remote AC Switch, two independent 20A circuit breakers (one per 4 channels)
8 channel input signal attenuators, 8 channel 100V/70V/LowZ selection switches, two 3‐position connectors for
STO In and STO Out, 8 Fault Relay outputs, 8 Control Voltage inputs, NexSys module bay
8 Mute, 8 Fault, 8 ACL/IGM, 8 Signal, 8 Active, 2 Power Supply, 1 ACV Present
8 Mute, 8 Fault, 8 ACL/IGM, 8 Signal, 8 Active, 2 Power Supply, 1 ACV Present
Eight 3‐position Euro‐style detachable terminal blocks
Four 4‐position barrier strip terminal blocks with screws
3.48" (8.84 cm), 2 EIA rack spaces
19.00" (48.26 cm)
17.25" (43.82 cm)
20.30" (51.56 cm)
19.70" (50.04 cm) behind front rack ears
29.6 lbs (13.43 kg)
34.6 lbs (15.7 kg)
CREST AUDIO CKd SERIES POWER
Temperature dependent variable speed 80mm DC fan
Over‐temperature, incorrect loads, short‐circuit, over‐current, therma
DC, subsonic, Rail Voltage, Bias Voltage
Over/Under AC Voltage, Fan operation, DC Voltage Fault
14‐gauge aluminum reinforced chassis with 12‐gauge steel rack ears
120 VAC 60 Hz or 230 VAC 50 Hz
5 Years
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