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INPUT PROCESSING MODULE

FOR CKS, CKV & CKX SERIES

POWER PROCESSING AMPLIFIERS

NC-DSP-A

Product Information

The NC-DSP-A Module fits in the Input Processing bay located on the

rear panel of Crest Audio CKS, CKV & CKX Series Power Processing

amplifiers. It provides state-of-the-art digital signal processing integrat-

ed with the amplifier channel. It is identical in operation to the NC-DSP-

D but adds ADC converters, allowing analog audio to be digitally

processed. Two post-processing analog outputs are provided to daisy

chain out to additional amp channels requiring the same processing.

Features:

• Digital signal processing and attenuation programmed by NexSys or N-Coder/PC software.

• Post-processing loop-thru outputs on barrier strip connectors

• Two delays are equivalent to 600 feet (183 meters) each

• Simple setup, tamper-proof configuration

• Can be used stand-alone after being programmed

N C - D S P - A c o n n e c t i o n s

Designed & manufactured in the USA by:

CLASS 2

WIRING MAY

BE USED

Output

Model

Name

–

CKV 100

CKV 200

CKV 400

CKV 800

CKV 1600

CKV 2400

–

Signal

Ground

Lift

Jumper

+ –

NexSys Bus

Architects and Engineers Specifications - NC-DSP-A.

The module shall plug into Crest Audio CKS or CKV Power Processing amplifiers in the

Input Processing bay. The module shall provide full DSP (digital signal processing) func-

tions. Capabilities for EQ, cross-over filters, delay, dynamics control, etc. are achievable

with Nexsys software modules The module shall be capable of being programmed and

updated over the NexSys network (if fitted in a CKS or CKV amplifier loaded with an NC-

NXS module and NexSys-compatible Power/Output module). The module shall operate as a

Digital Signal Processor (DSP) with Analog Inputs

PC Lap-Top running

N-Coder/PC software

Crest Audio Inc.

100 Eisenhower Dr.

Paramus, New Jersey 07652 USA

Output Power

Model

Output Power

@70.7V

Name

@8 /Ch.

CKS 100

50W

CKS 200

100W

CKS 400

200W

CKS 800

400W

CKS 800-2

400W

800W

CKS 1200-2

600W

1200W

CKS 1600-2

800W

Network

Address

Model

NC-NXS

Data

+ –

Input sensitivity is selectable for 10 dBU or 20 dBU. Individual channel

attenuators are provided with removable knobs for extra security.

Via NexSys

or N-Coder/PC software, algorithms are down-loaded to

the NC-DSP-A to perform crossover, equalizing, driver alignment, sys-

tem delay, limiting, compression, gating functions, etc. All the require-

ments for loudspeaker processing can be performed by the NC-DSP-A.

• Crossover, EQ, delay, and dynamics functions

• Amp channel gain pot knobs removable for security

• Balanced input barrier strip connectors

• Selectable input sensitivity of 10 dBU or 20 dBU

N-Coder

Crest Audio

Revision 1.03E

To other amplifiers

Daisy Chain

N-Coder

Data

Port

Input A

Input B

–

Input

Signal A

Signal B

stand-alone unit after being programmed with the N-Coder/PC software. The audio inputs

shall consist of two balanced analog inputs on a barrier strip connector. Two, post-process-

ing, analog outputs on barrier strip connectors shall be provided to loop-thru out to addition-

al amp channels requiring the same processing. Two removable-knob gain pots shall be pro-

vided that control the level of each amplifier channel independent of programming. Input

sensitivity shall be selectable for either 10dBU or 20dBU. The module shall be designated

the Crest Audio model NC-DSP-A.

Power

Processing

Modules

Level

Model

NC-DSP-A