Crest Audio Ci 20 x 8 Multi-Channel Power Processing Amplifier (2RU)

Crest Audio Ci 20 x 8 Multi-Channel Power Processing Amplifier (2RU)

Crest Audio Ci 20 x 8 Multi-Channel Power Processing Amplifier (2RU)

B&H # CRCI208A MFR # 3001220
Crest Audio Ci 20 x 8 Multi-Channel Power Processing Amplifier (2RU)

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  • 1Description

The 2RU Ci 20 x 8 Multi-Channel Power Processing Amplifier from Crest Audio is designed to drive low-impedance or 70V speaker loads without bridging between channels. Bridged operations are supported for additional power into 8Ω loads or 140V operation. This amplifier features 8 channels. Channels may be selected as low impedance or 70V individually. The 20 x 8 amplifier is protected by Tour Class protection. It has front and rear panel indicators for amplifier status. There is one controlled-voltage input per channel standard, and one fault relay per channel standard. This amplifier has a sequential turn-on standard, Euro-style input connectors, and barrier strip output connectors. The module bay is provided to input Nx module bay accessories for full amplifier control and monitoring via NexSys 4 software or MediaMatrix product and digital audio distribution.

Individual channels may be selected as low impedance or 70V
Tour Class protection
Front and rear panel indicators for amplifier status
Variable-speed fan
Sequential turn-on standard
Euro-style input connectors
Barrier strip output connectors
One controlled-voltage input per channel standard
One fault relay per channel standard
Module bay provided to input Nx module bay accessories for full amplifier control and monitoring via NexSys 4 software or MediaMatrix product and digital audio distribution
2RU rackmountable
In the Box
Crest Audio Ci 20 x 8 Multi-Channel Power Processing Amplifier (2RU)
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description
    Power Rating Dual:
    8 Ω: 200 W
    70 V: 200 W
    Bridged:
    16 Ω: 400 W
    140 V: 400 W
    Damping Factor 200:1 @ 8 Ω (20 - 100 Hz)
    Input CMRR > 60 dB @ 1 kHz
    Input Sensitivity @ 70 V: 1.14 V for full rated output power (70 V switch selected)
    @8 Ω: 1.0 V for full rated output power (Low Z switch selected)
    Input Impedance Balanced: > 20 kΩ
    Unbalanced: >10 kΩ
    Hum & Noise > -97 dB, A-weighted below rated power @ 8 Ω
    Crosstalk > -60 dB below max rated power, 1 kHz
    Frequency Response 5 Hz to 20 kHz, ± 1 dB
    Power Bandwidth 20 Hz to 20 kHz, ± 1 dB @ 4 Ω, 1% THD
    Total Harmonic Distortion/Noise <0.02% @ rated power @ 70 V, 1 kHz
    Connectors 1 x RJ45 neutrik, CobraNet data port
    1 x 4-pin Euro-style, channel 1 & 2 CV input
    1 x 4-pin Euro-style, channel 3 & 4 CV input
    1 x 4-pin Euro-style, channel 5 & 6 CV input
    1 x 4-pin Euro-style, channel 7 & 8 CV input
    1 x 6-pin Euro-style, channel 1 & 2 Fault output
    1 x 6-pin Euro-style, channel 3 & 4 Fault output
    1 x 6-pin Euro-style, channel 5 & 6 Fault output
    1 x 6-pin Euro-style, channel 7 & 8 Fault output
    8 x 3-pin Euro-style, channel 1 to 8 balanced input
    8 x 2-pin speaker terminal, channel 1 to 8 speaker output
    1 x 3-pin Euro-style, power sequence input
    1 x 3-pin Euro-style, power sequence output
    1 x EIC 3-prong power connector, input
    Controls Front Panel:
    1 x On/Off/Remote power switch
    Rear Panel:
    8 x Stepped attenuators
    1 x 70 V/Low Z switch per channel
    1 x Dual/Bridged switch per channel pair
    1 x Circuit breaker
    1 x Edit pushbutton
    1 x Select pushbutton
    1 x Function pushbutton
    1 x Up pushbutton
    1 x Down pushbutton
    Indicators Front Panel:
    8 x Signal
    8 x ACL/IGM
    8 x Fault
    8 x Mute
    1 x Active
    1 x Low battery
    Rear Panel:
    8 x Signal
    8 x ACL/IGM
    8 x Fault
    8 x Mute
    1 x Data
    1 x Link
    6 x Function
    1 x Active
    1 x Low battery
    Cooling Front to side via variable speed fan
    Current Draw Circuit Breaker Rating (120 / 230 VAC): 12 A / 6 A
    1/8 Power, 70 V: 4.0 A
    1/3 Power, 70 V: 8.0 A
    Idle: < 2.0 A
    BTU/hr @ 1/3 Power, 70 V: 947
    Dimensions (H x W x D) 3.5 x 19.0 x 17.3" (8.9 x 48.3 x 43.9 cm)
    + 1.25" (3.18 cm) rack ears
    Weight 48.0 lb (21.8 kg)
    Packaging Infortcaduud
    Package Weight 42.0 lb
    Box Dimensions (LxWxH) 24.5 x 24.5 x 6.0"
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