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User Manual for Contemporary Research 232-Amp Stereo Mixer Amplifier Click to enlarge the picture
Contents of the user manual for the Contemporary Research 232-Amp Stereo Mixer Amplifier
- Product category: Mixer/Amplifiers Contemporary Research
- Brand: Contemporary Research
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Contemporary Research Mixer/Amplifiers
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User manual for the Contemporary Research 232-Amp Stereo Mixer Amplifier contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Contemporary Research product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Contemporary Research user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Contemporary Research product will considerably shorten its lifespan!
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Product description The 232-Amp+ from Contemporary Research is a compact, programmable mixer/amplifier aimed at integration with flat-panel displays and video projectors. This versatile amplifier features a stereo 1/8" line-level display/projector audio input, two 1/8" mono aux inputs, and two stereo speaker outputs each capable of 16W RMS at 8 Ohms or 20W RMS at 4 Ohms. The aux inputs mix levels with the stereo input and can be set to mute or lower other inputs when active, which is ideal for wireless microphones and paging applications. The 90% efficient Class-D amplifier utilizes a switch-mode power supply and operates with very little heat, and draws almost no power when quiet.
Full RS-232 control and status allows for integration with custom control systems. In addition to setting master gain and input levels, the commands can also set max and minimum gain, and aux input threshold and ducking levels. Installers can adjust the performance manually in the field using the on-board switches and level potentiometer. The 232-Amp+ ships with a power supply and two 5-pin captive screw terminals. -
- Full RS-232 control and status is available, allowing integration with custom control systems
- Master gain and input level settings
- Drives stereo speakers at 16W per channel @ 8 Ohms, 20W per channel @ 4 Ohms
- Mixes one stereo line input with two mono inputs
- Mono inputs can "duck" other inputs, with programmable ducking on/off, threshold, timing, and mute levels
- Features programmable input levels, maximum and minimum gain, and volume (volume affects stereo input, mono inputs are fixed)
- UL 2043 plenum rated
- Mounts on projector pole when combined with optional CR tuner and PoleCat pole mount
- Offers field adjustment with onboard DIP switches and level potentiometer
- Integrates via 2-way RS-232 with three options:
- Connect to data link on new iC-Net tuners for interactive volume control
- Control from AMX, Crestron or other custom control systems
- Daisy-chain RS-232 control with a 232-series tuner (Amp is Device 1)
- Links 12 VDC power to CR tuner to provide single power source for amp and CR tuner (less Watts at 12 VDC)
- Connects speakers and control from captive screw terminals
- Includes 3 A 18 VDC power supply, and captive-screw control terminals
- Compatible with optional PMT-1 Pole Mount for 1RU CR tuners, SMA Surface Mount for AV Tools, RK-1 Rack Kit to mount 232-Amp alongside CR analog 232-series tuner, and 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
In the Box Contemporary Research 232-Amp+ Stereo Mixer/Amplifier 12 VDC Power Supply 2 x 5-Pin Captive Screw Terminals Limited 3-Year Warranty Table of Contents
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Technical parametersContemporary Research 5088-001 Specs | Inputs | Stereo: 1/8" / 3.5 mm stereo mini-jack
Mono 1 & 2: 2x 1/8" / 3.5 mm unbalanced mini-jack | | Input Impedance | 7.5 kOhms | | Max Input Signal | 1.4 VRMS | | Input Processing | 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 Ohms
Watts 18 VDC: 32 W RMS (16 W per channel) @ 8 Ohms, 40 W RMS (20 W per channel) @ 4 Ohms
Watts 12 VDC: 16 W RMS (8 W per channel) @ 8 Ohms, 30 W RMS (15 W per channel) @ 4 Ohms | | Output Gain | Max gain 20 dB (default), programmable to 26, 32, or 36 dB | | THD + N | 0.25% typical | | Frequency Response | 20 Hz to 20 kHz (±1 dB, 1 W output) | | Crosstalk | >65 dB @ 1 kHz, >58 dB @ 20 kHz | | Protection Circuits | 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+): 18/12 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-pin Captive Screw Terminal
3 A maximum @ 18 VDC, 11.5 to 19 VDC, 18 VDC typical | | Dimensions (W x H x D) | 5.5 x 1.1 x 3.5" / 14.0 x 2.8 x 8.9 cm | | Weight | 8.0 oz / 226.8 g |
Rating90% users recommend this product to others. And what about you?
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