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TP–170V
2 INPUTS: COM
OUTPUTS: COM 70V
70V50V40V
100V
3 INPUTS: COM
OUTPUTS: COM 70V
70V50V40V
100V
4 INPUTS: COM
OUTPUTS: COM 70V
70V50V40V
100V
1 INPUTS: COM
OUTPUTS: COM 70V
70V50V40V
100V
TP-170V Constant-Voltage
Transformer Panel
The Crown
®
TP-170V is a rack-mountable panel
with four autoformers to provide impedance match-
ing between amplifier outputs and “constant volt-
age” loudspeakers. This unit allows amplifiers with-
out direct 70V or 100V output capability to drive
distributed speaker systems designed to operate
at those voltages. The TP-170V is constructed of
sturdy steel, and hinged on one side to allow easy
access to the inside connections.
Accessories
T-170V Constant-Voltage
Transformer
The Crown T-170V is a single
autoformer that provides imped-
ance matching between an ampli-
fier output and “constant voltage”
loudspeakers. It allows amplifiers
without direct 70V or 100V out-
put capability to drive distributed speaker systems
designed to operate at those voltages.
VCA-MC4A & VCA-MC8
FEATURES
• Independent remote level control for each chan-
nel.
• 4-pin removable Phoenix-style barrier con-
nectors provide the +10VDC control voltage,
ground, and control lines for two amplifier
channels.
• Optional wall-mount level control panels for use
with VCA modules: 1-VCAP and 4-VCAP.
Remote Level Control
The Crown VCA-MC4A and VCA-MC8 are optional
level-control modules for the Crown CTs multi-chan-
nel power amplifiers. The VCA-MC4A is for the CTs
4200, and the VCA-MC8 is for the CTs 8200.
A VCA-MC module provides independent remote
level control for each channel. 4-pin removable
Phoenix-style barrier connectors provide the
+10VDC control voltage, ground, and control lines
for two amplifier channels. Thus, the 4-channel
CTs 4200 uses two connectors; the 8-channel CTs
8200 uses four connectors. Crown CTs 4200 and
8200 amplifiers can be supplied with a VCA-MC
module already factory-installed, or your choice of
MC modules can be easily added to the amplifier
by any authorized Crown Service Center.
Choosing the Right Module
To order accessory modules for your amplifier, please
refer to the model tag (located on the back panel of the
amplifier) for your amplifier’s specific model number.
Then refer to the information below to select the correct
accessory for your requirements.
CTs4200: VCA-MC4 or IQ-MC4
CTs 4200A: VCA-MC4A or IQ-MC4A
CTs 8200 or CTs 8200A: VCA-MC8 or IQ-MC8
Regulatory Certifications
For all CTs Multi-Channel Amp Accessories:
1-VCAP & 4-VCAP
FEATURES
• 1-VCAP provides remote volume control for one
or more CTs amplifier channels.
• Fits into a 1-gang electrical box.
• 4-VCAP provides remote volume control for
four or more CTs amplifier channels.
• Fits into a 2-gang electrical box.
Wall-Mount Controllers
Crown VCAP panels are wall-mounted panels
with potentiometers that provide remote control
of the volume of Crown CTs amplifier channels
via a VCA-MC4 or VCA-MC8 module installed in
the amplifier. Two models are available: 1-VCAP
and 4-VCAP.
1-VCAP: Used in conjunction with a VCA-MC
module, this is a 1-gang panel with one poten-
tiometer that provides remote volume control
for one or more CTs amplifier channels. The
potentiometer on the panel is wired directly
to the VCA connectors on the VCA-MC.
4-VCAP: This is a 2-gang panel with four poten-
tiometers that provide remote volume control
for four or more CTs amplifier channels. The
potentiometers on the panel are wired directly
to the VCA connectors on the VCA-MC.