Crest Audio NC-SAC - TECHNICAL Datos técnicos
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POWER/OUTPUT MODULE
FOR CKS, CKV & CKX SERIES
POWER PROCESSING AMPLIFIERS
NC-SAC
Sequential Turn-On/Off, NexSys power supply, AC Voltage & Current Monitor
Product Information
The NC-SAC Module fits in the Power/Output bay located on the rear
panel of Crest Audio CKS, CKV & CKX Series Power Processing
amplifiers. It provides for NexSys
of Sequential Turn-On/Off (STO) and includes NexSys AC Voltage and
Current monitoring circuitry. The NC-SAC turn-on and turn-off delay
times are user programmable via NexSys software.
Features
• NexSys compatible
• Amplifier output terminals on barrier strip connectors
• 5mm 6-pin Phoenix connector for sequential turn-on/off (STO) connection
• Sequential turn-on/off initiated by hard closure (standard) or NexSys
• With NexSys-initiated STO, user-programmable turn-on and turn-off delay times
N C - S A C c o n n e c t i o n s
USA-specification amplifier shown
Architects and Engineers Specifications - NC-SAC.
The module shall plug into Crest Audio CKS or CKV Power Processing amplifiers in the
Power/Output bay. The module shall provide NexSys-initiated and hard closure initiated
sequential turn-on/off capability for the host CKS and/or CKV amplifier and a sequential
turn-on output to the next amplifier in the chain. Disconnection of AC power to any number
of amplifiers in the chain shall not affect the turn-on sequence capability of all other ampli-
fiers in the chain. The module shall contain the power supplies required for powering an
NC-NXS module.
®
initiation or hard closure activation
Sequential Turn-On/Off
connection to other
amplifiers
Sequential
Turn-On
In
On
Com
LISTED 8B42
COMMERCIAL
POWER
Off
AMPLIFIER
120V~60 Hz 15A
On
Com
Off
Out
Model
NC-SAC
Power
Processing
Modules
Since the NC-SAC is self-powered prior to the AC mains closure and is
optically isolated from other amplifiers in the turn-on chain, loss of AC
power to any amplifier in the chain will not affect any others during
sequential turn-on. A three-position front panel power switch is fitted to
all CKS, CKV & CKX amplifiers. This must be in the "Remote" posi-
tion for the NC-SAC to initiate an STO sequence.
• Includes NexSys monitoring of AC voltage and current
• Signal chassis ground lift jumper
CLASS 2
WIRING MAY
BE USED
Output
–
A
+
+
B
–
Signal
Ground
Lift
Jumper
NexSys Bus
The module shall include the hardware required for NexSys AC voltage and current moni-
toring. A 5mm 6-pin Phoenix connector shall be provided to transmit the turn-on initiation
voltage signal. A closure across two of the Phoenix connector terminals shall initiate the
turn-on/turn-off sequence. The module shall provide outputs for both amplifier channels on
barrier strip connectors and a signal ground lift jumper. The module shall be designated the
Crest Audio model NC-SAC.
Designed & manufactured in the USA by:
Crest Audio Inc.
100 Eisenhower Dr.
Paramus, New Jersey 07652 USA
Model
Output Power
Model
Output Power
Name
@70.7V
Name
@8 /Ch.
CKS 100
50W
CKV 100
50W
.
CKS 200
100W
CKV 200
100W
CKS 400
200W
200W
CKV 400
CKS 800
400W
400W
CKV 800
CKS 800-2
400W
800W
CKV 1600
CKS 1200-2
600W
CKV 2400
1200W
CKS 1600-2
800W
Network
Address
Data
8
+ –
+ –
Hi
Mod
NC-
8
Lo