Crest Audio NC-SCO - TECHNICAL Technische gegevens

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INPUT PROCESSING MODULE
FOR CKS, CKV & CKX SERIES
POWER PROCESSING AMPLIFIERS
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.
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
N C - S C O c o n n e c t i o n s
PC Lap-Top running
N-Coder/PC software
CLASS 2
WIRING MAY
Sequential
BE USED
Turn-On
In
Output
–
On
A
Com
LISTED 8B42
+
COMMERCIAL
POWER
Off
AMPLIFIER
0V~60 Hz 15A
On
+
Com
B
Off
–
Signal
Ground
Out
Lift
Jumper
Model
NC-STI
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.
N-Coder
OR
Designed & manufactured in the USA by:
Crest Audio Inc.
100 Eisenhower Dr.
Paramus, New Jersey 07652 USA
Output Power
Model
Output Power
Model
@70.7V
Name
@8 /Ch.
Name
CKS 100
50W
CKV 100
50W
CKS 200
100W
CKV 200
100W
CKS 400
200W
CKV 400
200W
CKS 800
400W
CKV 800
400W
CKS 800-2
400W
CKV 1600
800W
600W
CKS 1200-2
CKV 2400
1200W
CKS 1600-2
800W
Network
Address
Model
NC-NXS
Data
8
8
+ –
+ –
Hi
Lo
NexSys Bus
Power
Processing
Modules
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
or N-Coder/PC software. (NexSys-compatible Power/Output and
Network NC modules are required for NexSys implementation.)
Low frequency
Crest Audio
Revision 1.03E
CKS 400
Out A
N-Coder
HP
LP
Data
Port
Input A
+
–
Input
Signal A
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.
®
, the hand-held N-Coder
High frequency
CKS 200
Out B
5
Level
4
6
A
3
7
2
8
1
9
0
10
HP
LP
5
Level
4
6
B
3
7
2
8
1
Input B
9
0
10
Model
NC-SCO
+
–
Input
Signal B