At the heart of every Theory system lies an Amplified Loudspeaker Controller. The ALC-1809 when used as the core of a 2.0, 2.1, 2.2, 3.1, 3.2, 3.3, 5.1, 5.2, 5.3, 7.1, 7.2 or 5.2.2 ATMOS surround sound system automatically configures itself for high-resolution Digital Signal Processing of the loudspeakers purchased, and sets audio levels, delays, bass management and signal routing within the system. All that is required from the installer is input of the listening distances and formatting of the decoding mode of surround sound processor.
The Theory Automator™ v2.0 software handles the rest.
For advanced applications – larger format surround sound and distributed audio – the ALC-1809 is a virtual audio swiss-army knife: including 9-high power amplifier channels, 8 balanced analog audio inputs, 1 mic/line level input (software selectable), 96kHz/32-bit DSP processing including full signal routing, gain adjustment, 8×8 matrix bass-management, 8×8 matrix mixing, 160 parametric EQ’s (20 per channel), automatic audio signal ducking for intercom and paging (perfect to allow Amazon Alexa and other voice assistants to page any or all of the distributed audio system channels), Internal band-limited and full band pink noise and sine sources, and up 75msec of delay per channel.
All in a fan-less, stylish, 1U chassis.
HIGH CHANNEL COUNT SURROUND SYSTEM AUTOMATIC CONFIGURATION SOFTWARE
Description: 9-Channel Amplified Digital Loudspeaker Controller
Inputs: 8 x Balanced Analog Audio w Loop Outputs (1 mic/line level switchable)
Outputs: 9 x Speaker Outputs
8 x Balanced Analog Audio Looping Outputs
12VDC/Contact Closure Trigger Loop Output
Trigger: +12VDC or Contact Closure Trigger Input w Loop
Surround Formats Supported: 3.1, 3.2, 3.3, 5.1, 5.2, 5.3, 7.1, 7.2, 5.2.2 ATMOS
Audio Operation: 96kHz/24-bit
On-Board DSP: 96kHz/32-bit
Automatic Configuration of Surround System Settings
Loudspeaker Processing For All Theory and PRO Models
Delay (up to 75msec per channel)
160 Parametric EQ Filters (20 per channel)
8 x 8 Parametric Bass Management (Bass Steering)
Mono Summing: 8 Stereo + 4 mono Signals
Bass and Treble Controls
Internal Sine and Pink Noise Sources
Bandwidth: 5.5Hz-40.6kHz, -6dB
Frequency Response: 20Hz-20kHz, +/-0.2dB
Amplifier Power Output:: Channels 0-1-2: 300W, 4-ohms
Channels 3-8: 100W, 4-ohms, bridgeable to 300W*
Voltage Gain (all channels): 30dB
Channels 0-2: 1.1V
Channels 3-8: 660mV
(1/8 power, all ch. driven): 281W
Idle Noise (speaker program, typ., A-wt.):
Channels 0-2: -82dBV (0.00008V)
Channels 3-8: -80dBV (0.00010V)
Signal to Noise Ratio:
Channels 0-2: 108dB
Channels 3-8: 105dB
Distortion (1kHz, 1dB below max output): <0.02%
AC Operation: 100V-240VAC, 50-60Hz
Finish: Matte Bright Aluminum
Dimensions: 1.75″ H x 17″ W x 15″ D
1.75″ H x 19″ W x 15″ D w Rack Ears
Accessories: 8 x Euro-to-XLR Adapters Included
Software: Theory Music and Surround Automator™
Auto system configuration tool
Weight: 13 lbs.
*Bridged channels ok for sb speaker models only, not for subwoofer use.
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