232-Amp Stereo Mixer/Amplifier

232-AMP with SMA Surface-Mount Brackets

Specifications

Physical

Size: 5.5" [140mm] wide x 1.1” [28mm] height x 3.5” [86mm] deep
7.7” [196mm] wide with SMA bracket
Weight: 8 oz [226g]
Enclosure: All aluminum with durable black powder coat paint
Mounting: Mount to CR tuner with optional SMA bracket, mount alongside CR tuner in RK-1 or RK1-HD, or rack-mount in RK3 rack kit
Standards: RoHS compliant and energy-efficiency meets new California standards

Audio

Inputs

Stereo: Stereo 1/8” jack, unbalanced, 7.5K ohms impedance, 1.4 V RMS max
Programmable input level
Mono Inputs 1 and 2: Two Mono 3.5mm jack, unbalanced, 7.5K ohms, 1.4 V RMS max
Programmable for input level and ducking gating, timing, and mute levels
Gain Potentiometer: Adjusts volume in normal operation
DIP switches on bottom of 232-AMP interact with Gain for field setup of stereo and mono inputs
Operation: Master volume commands affects Stereo only

Output

Speakers: 5-pin captive-screw terminal for stereo speaker installation, 8 or 4 ohm
Watts: 16W RMS @ 8 ohms, 8 W per channel, 32W @ 4 ohms, 16W per channel
Gain: Max gain 20 db (default), programmable to 26, 32, or 36 db
THD + Noise: 0.25% typical
Response: +/-1 dB, 20 Hz to 20 kHz, 1 watt output
Crosstalk: >65 dB @ 1 kHz, >58 dB @ 20 kHz
Protection: Thermal and short-circuit protected, auto-recovery

Control

5-pin captive-screw terminal
  RS-232: GND, TX and RX
  Signal (Sig)- future IR input
  Power (V+): 12 VDC output to tuner or accessory
DIP switches on bottom of 232-AMP interact with Gain for field setup

Power

Power LED: Green LED lights when DC power is active
Power In: 2.1mm coaxial jack (inside center conductor positive), 4 A maximum
11.5 to 16.5 VDC, 12 VDC typical (may be unregulated)

Includes

12 VDC 4 A digital switching power supply (North American shipments only)
Two 5-pin captive screw terminals

Options

PMT-1 PoleCat Pole Mount for 1RU CR tuners
PMT-2 PoleCat Pole Mount for 2RU CR tuners
SMA Surface Mount for AV Tools
PAG Line level adapter for 25/70V paging systems
RK-1 Rack Kit to mount 232-Amp alongside CR analog 232-series tuner
RK-HD1 Rack Kit to mount 232-Amp alongside CR 232-ATSC tuner
RK-3 Rack Mount Kit for mounting up to 3 AV Tools across in 19” rack, 1 RU, back edge pre-drilled for rack kit

© 2008 Contemporary Research Corporation. All rights reserved.