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Introduction: Thank you for your purchase of a Knoll GRS44 8 channel
controller amplifier and congratulations on your choice. The GRS44 features
four deluxe digital volume controlled stereo amplifiers with individual four
source selection. This is Knoll's fourth generation of multi-channel, high-
quality power amplifiers. The GRS44 is designed to meet the amplifier needs
of custom installed multi-zone systems where high quality sound is a specific
requirement.
Each of the four zones or rooms can select any of the four inputs, with
individual volume control, bass and treble. Only the power button is located
on the front panel.
The GRS44 is controlled by RS232 commands.
Four input source selection. Each of the four stereo amplifiers is provided
with four input source selection. Selection, volume level, bass and treble is
made using RS232 commands. Rooms can have different source selections,
volumes, etc.
Four internal 80 position stereo volume controls.
GRS44 consists of a total of 8 power
amplifiers in one 3-1/2" high enclosure (two rack spaces). Each power
amplifier channel can deliver 30 watts RMS with peaks of 60 watts. Because
of its unique design the GRS44 delivers exceptional value.
GRS44 amplifier channel is
individually and fully protected against low impedance, overheating,
overloading, over voltage and under voltage. The protection circuitry
automatically restores the amplifier channel as soon as its parameter returns
to the safe operating area.
and treble adjustment. Each channel features adjustments
so installers can preset the room for speaker differences and listener
preferences.
1 has line level outputs so more powerful power amplifiers can be
connected to this output. The line level output is controlled as to volume,
bass, treble and source selection.