Crest Audio CKd 604 Owner's Manual page 30

Rated Power @ 4 ohms
Rated Power @ 8 ohms
Rated Power @ 70.7 volts
Rated Power @ 100 volts
Rated Power @ 4 ohms
Rated Power @ 8 ohms
Rated Power @ 70.7 volts
Rated Power @ 100 volts
Min Load Impedance
Frequency Response
Damping Factor
Input CMRR
Voltage Gain Low Z
Voltage Gain 70V/100V
High Pass Filter
Input Sensitivity Low Z
Input Sensitivity 70V/100V
Input Impedance
Hum and Noise
Current Consumption All Channels
Idle:
1/8 Power 4 ohms / 8 ohms 70V / 16 Ohm 100V
Thermal Emission All Channels
Idle:
1/8 Power 4 ohms / 8 ohms 70V / 16 Ohm 100V
Cooling
Controls:
Front panel:
Rear panel:
Indicator LEDs
Front panel:
Rear panel:
Channel Protection (per channel fault)
Power Supply Protection all 8 channels
Unit Protection (device fault)
Connectors
Input:
Output:
Construction
CKd 608 Specification Sheet
- 660 watts per channel at <0.05% single channel driven @ 1 kHz.
- 660 watts per channel at <0.05% single channel driven @ 1 kHz.
- 660 watts per channel at <0.05% single channel driven @ 1 kHz.
- 660 watts per channel at <0.025% single channel driven @ 1 kHz.
- 625 watts per channel at <0.05% all channels driven @ 1 kHz.
- 625 watts per channel all channels driven @ 1 kHz *
- 625 watts per channel all channels driven @ 1 kHz *
- 625 watts per channel all channels driven @ 1 kHz *
- 4 ohms
- 10 Hz - 20 kHz, 0 dB to 0.5dB at 1 watt 8 ohms load
- > 150:1 @ 20 Hz - 1 kHz at 8 ohms load
- < 75 dB at 1 kHz
- x 40 (32.0 dB)
- x 50 (34.0 dB)
rd
- 70 Hz, 3 order HPF
- 1.25 volts for 1KHz 4 ohm rated power, 1.77 volts for 1KHz 8 ohm rated power.
- 1.40 volts for 1KHz (70V) 8 ohm rated power, 2.0 volts for 1KHz (100V) 16 ohm rated power.
- 20k ohms balanced, 10k ohms unbalanced.
- > -95 dB, "A" weighted referenced to rated power @ 8 ohms.
- 180 watts, 350 VA (162 watts, 315 VA @ 220V CN)
- 990W, 1,540VA / 895W, 1,408VA / 842W, 1,342VA
- 615 btu/hr (553 btu/hr @ 220V CN)
- 977 btu/hr / 935 btu/hr / 911 btu/hr
- Temperature dependent variable speed 80 mm 24V DC fan
- On/Standby/Remote AC Switch, one independent 21A circuit breaker
- 8 channel input signal attenuators, 8 ch 100V/70V/Low Z selection switches, two 3-position.
connectors for STO In & STO Out, 8 Fault Relay outputs, 8 Control Voltage Inputs,
NexSys module bay
- 8 x Mute/Fault/ACL&IGM/Signal/Active, one PSupply, one ACV
- 8 x Mute/Fault/ACL&IGM/Signal/Active, one PSupply, one ACV
- Over-temperature, incorrect loads, short circuit, over-current, thermal.
- DC, Subsonic, Rail Voltage, Bias Voltage
- Over/Under AC Voltage, Fan Operation, DC Voltage Fault
- Eight 3-position Euro-style detachable terminal blocks
- Four 4-position barrier strip terminal blocks with screws
- 14-gauge aluminum reinforced chassis with 12-gauge steel rack ears