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General| Brand | Crest Audio |
|---|---|
| Model | FA1201 |
| Category | Amplifier |
| Language | English |
Key safety guidelines and operational warnings to prevent damage or injury.
Procedure for safely unpacking the amplifier and checking for shipping damage.
Details on rack mounting, including front panel holes and optional rear mounting ears.
Essential safety measures and best practices for operating the amplifier.
Information on using XLR connectors and barrier strips for signal input.
Details on octal accessory sockets for connecting external signal processing units.
Methods for connecting speakers using binding posts or barrier strip terminals.
Information on power requirements and circuit sizes for each amplifier model.
Instructions for setting the mode switch for stereo dual-channel operation.
Guide to using the parallel mode for single input to both channels.
How to bridge channels for powerful single-channel monaural output.
Critical safety warnings and guidelines for bridged mono operation.
Using amplifiers with distributed loudspeaker systems and calculating load impedance.
Tables to determine the correct copper wire gauge for speaker cables.
Location and function of the front panel AC power switch and circuit breaker.
Description of the front panel controls for adjusting channel gain.
How the rear panel switch selects stereo, parallel, or bridged mono modes.
Explanation of the signal ground lift jumper for preventing ground loops.
Introduction to front panel LEDs for status and warnings.
What the red Clip LEDs indicate about clipping and gain reduction.
How the green Signal LEDs show output signal presence and amplitude.
Meaning of the red Protect LEDs indicating output relay or channel protection.
Function of the 'On' LED indicating power supply status.
How the clip limiter circuit protects speakers from clipping damage.
IGM™ circuit for safe operation under various load conditions.
How heat sink and transformer temperature protect the amplifier.
Protection mechanisms against output short circuits.
How the amplifier protects speakers from DC voltage at the output.
Built-in filtering and protection against subsonic frequencies.
Protection circuits that prevent thumps and pops during power cycling.
Advice on preventing speaker damage from clipping, power, and frequencies.
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