CREST AUDIO NC-SCO - TECHNICAL Technical Data

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Features:
• NexSys compatible, programmable two-way, 24dB per octave electronic crossover
• All parameters (including precision attenuation settings) programmable via NexSys
(additional module required) , hand-held N-Coder or N-Coder/PC software
• Balanced inputs on barrier strip connector with .325" (8.3mm) screw center, .270" (6.9mm) lug space
• Removable gain pot knobs for security
• Independent two-way, 4th-order, Linkwitz-Riley filters
• Loop-thru HF and LF outputs for both channels
Internal Features:
• Jumper-selectable gain of X20 (26 dB), X40 (32 dB, factory setting), or constant sensitivity for full output at 0dBu (.775V) in.
• Jumper-selectable assignment of high-pass or low-pass output for each amplifier channel
NC-SCO Stereo Crossover
Product Information
The NC-SCO Module fits in the Input Processing bay located on the rear
panel of Crest Audio CKS, CKV & CKX Series Power Processing
amplifiers. It is an extremely high quality, fourth-order, two-way elec-
tronic stereo crossover that feeds either the LF or HF output of each
crossover to the amplifier. The HF and LF crossover frequencies are
individually programmable as well as their individual output levels.
Unbalanced loop-thru barrier strip connectors provide convenient out-
puts to other amplifiers. An internal jumper selects between gains of
X20 (26 dB), X40 (32 dB), or constant sensitivity for full output at 0dBu
(.775V) in. The standard factory setting is for X40 (32dB). Individual
channel attenuators are provided with removable knobs for extra securi-
ty. The NC-SCO is programmable via NexSys
®
, the hand-held N-Coder
or N-Coder/PC software. (NexSys-compatible Power/Output and
Network NC modules are required for NexSys implementation.)
Architects and Engineers Specifications - NC-SCO.
The module shall plug into Crest Audio CKS or CKV Power Processing amplifiers in the
Input Processing bay. The module shall be NexSys-compatible. The module shall provide a
two-way stereo, 24 dB per octave electronic crossover with programmable HF and LF output
levels, HF and LF crossover frequencies, overall output level and HF/LF polarity inversion.
The module shall be controlled/programmed either by NexSys via an NC-NXS module (if fit-
ted), a hand-held N-Coder or N-Coder/PC software.
All programmed settings shall be stored in non-volatile EEPROM memory. A barrier strip
input connector shall feed two electronically balanced inputs. Two removable-knob gain pots
shall be provided that control the level of each amplifier channel independent of program-
ming. High pass and low pass, loop-thru outputs (A&B) shall be available on barrier strip
connectors. An input sensitivity/voltage gain jumper shall be provided with selections of
0dBu, X20 and X40. The module shall be designated the Crest Audio model NC-SCO.
INPUT PROCESSING MODULE
FOR CKS, CKV & CKX SERIES
POWER PROCESSING AMPLIFIERS
7
8
9
5
2
0
1
3
4
6
10
7
8
9
5
2
0
1
3
4
6
10
N-Coder
Data
Port
+
+
L
ISTED 8B42
C
OMMERCIAL
POWER
AMPLIFIER
0
V~60 Hz 15A
Model
NC-STI
Com
On
Off
Com
On
Off
In
Out
Sequential
Turn-On
Output
A
B
+
+
Signal
Ground
Lift
Jumper
CLASS 2
WIRING MAY
BE USED
8
1
9
2
A
3
B
4
C
5
D
6
E
7
F
8
1
9
2
A
3
B
4
C
5
D
6
E
7
F
Model
Name
CKS 100
CKS 200
CKS 400
CKS 800
CKS 800-2
CKS 1200-2
CKS 1600-2
Output Power
@8/Ch.
50W
100W
200W
400W
400W
600W
800W
Model
NC-NXS
Hi
Data
Lo
Crest Audio Inc.
100 Eisenhower Dr.
Paramus, New Jersey 07652 USA
Designed & manufactured in the USA by:
Network
+–
+–
Address
Model
Name
CKV 100
CKV 200
CKV 400
CKV 800
CKV 1600
CKV 2400
Output Power
@70.7V
50W
100W
200W
400W
800W
1200W
Input
Signal B
Input
Signal A
CKS 200
High frequency
CKS 400
Low frequency
N-Coder
NexSys Bus
OR
PC Lap-Top running
N-Coder/PC software
Model
NC-SCO
Input A
Input B
HP
LP
Out A
HP
LP
Out B
Level
B
Level
A
NC-SCO connections
Power
Processing
Modules