OVERVIEW
Key Features
* Independent control of four audio channels
* Volume and tone control via front panel or RS-232
* Smooth, 0.5 dB volume transitions
* Three presets per channel for input gain, volume, bass, and treble
* Compatible with stereo or mono audio systems
* Selectable professional and consumer audio levels
DESCRIPTION
The Extron RAC 104 Four Channel Volume and Tone Remote Audio Controller provides four channels for controlling volume, bass, and treble when placed between a switcher and an audio power amplifier. It can be configured for a variety of applications to control mono and stereo audio distribution in such environments as classrooms and meeting rooms.The RAC 104 offers simple, intuitive operation, and features two channel selection buttons - two channels per button - with corresponding LED indicators. It provides direct access to volume, bass, and treble adjustments utilizing a front panel adjustment knob. All inputs and outputs of the RAC 104 are on captive screw connectors for balanced and unbalanced audio signals, facilitating integration-friendly installation. The RAC 104 is housed in a 1U, quarter rack width metal enclosure, and is rack, under-desk, and/or through-desk mountable.
Features
* Inputs: Captive screw connectors
* Outputs: Captive screw connectors
* Independent control of four audio channels
* Volume and tone control via front panel or RS-232 — A rear panel, captive screw port provides RS-232 control of volume, bass, and treble adjustments.
* Smooth, 0.5 dB volume transitions — Adjustments are made in 0.5 dB increments, ensuring smooth transitions when changing volume levels.
* Three presets per channel for input gain, volume, bass, and treble — Input gain/attenuation audio levels plus volume, bass, and treble settings can be saved to three presets per channel. As presets, these settings can be quickly recalled and deployed during presentations.
* Compatible with stereo or mono audio systems — The RAC 104 offers the flexibility to control two stereo or four mono audio channels in a system.
* Compatible with any audio amplifier — The RAC 104 acts as a preamplifier to remotely adjust the volume to be supplied to the amplifier in PA systems.
* Selectable professional and consumer audio levels — Compatibility with both professional (+4 dBu) and consumer (-10 dBV) level audio systems enables the RAC 104 to mix and match many types of audio peripherals.
* Front panel security lockout
* Rack-mountable 1U, quarter rack width metal enclosure
* Highly reliable, energy-efficient external universal power supply included, replacement part #70-775-01 — Provides worldwide power compatibility, with high demonstrated reliability and low power consumption for reduced operating costs.
