CM4-750 - Receiver AudioControl - Free user manual and instructions
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| Product Type | Multi-Channel Receiver |
| Brand | AudioControl |
| Model | CM4-750 |
| Number of Channels | 4 (750 watts per channel) |
| Dimensions (H x W x D) | 3.5 x 17.25 x 12 inches |
| Weight | 20 lbs |
| Power Supply | 120V AC, 60 Hz |
| Power Consumption | 1500W max |
| Frequency Response | 20 Hz - 20 kHz ±0.5 dB |
| Inputs | 4 pairs RCA line inputs |
| Outputs | 4 pairs speaker outputs (binding posts) |
| Trigger Input | 12V DC trigger |
| Cooling | Convection cooled with heat sinks |
| Protection Circuits | Short circuit, overheat, DC offset |
| Maintenance | Wipe with dry soft cloth; do not use solvents |
| Safety | Do not expose to rain or moisture; disconnect power before cleaning |
| Spare Parts | Contact authorized AudioControl service center |
| Repairability | Repairs should be performed by qualified personnel |
| General Information | High-performance receiver for home or commercial audio systems |
Frequently Asked Questions - CM4-750 AudioControl
How do I connect speakers to the CM4-750?
Use the binding post outputs on the rear panel. Strip the speaker wire and insert into the posts, tightening securely. Ensure proper polarity (+ to +, - to -).
What is the recommended input voltage for the trigger?
The trigger input accepts 12V DC. Use a compatible source such as a preamp or processor with trigger output.
Can I bridge channels for more power?
No, the CM4-750 is not bridgeable. Each channel delivers 750W independently.
How do I clean the unit?
Disconnect power and wipe the exterior with a dry, soft cloth. Do not use chemical cleaners or water.
What does the protection LED indicate?
If the protection LED lights up, the unit may be overheating, shorted, or experiencing DC offset. Turn off, check connections, and allow to cool before restarting.
Does the CM4-750 have a warranty?
Yes, AudioControl offers a limited warranty. Contact your dealer or AudioControl support for details.
Can I use the CM4-750 outdoors?
No, this unit is designed for indoor use only. Exposure to moisture or extreme temperatures may cause damage.
What type of cables should I use for input?
Use high-quality shielded RCA cables for line-level inputs to minimize noise and interference.
How do I reset the CM4-750 to factory settings?
The CM4-750 does not have user-accessible factory reset. Contact AudioControl support for assistance.
What is the maximum impedance load per channel?
The CM4-750 is stable into 2-8 ohm loads. For best performance, use 4-ohm or higher speakers.
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