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Controls the audio signal routing for different playback modes like MONO, 2 CH, DISCRETE, and VARI-MATRIX.
Enables output derived from front signals processed by an optional plug-in decoder for rear channels.
Optimizes the 4-channel VARI-MATRIX effect when used with the VARI-MATRIX mode switch position.
Adjusts audio balance between front-left/right, rear-left/right, and front/rear channel pairs.
Controls the low and high frequency response specifically for the rear audio channels.
Allows playback of signals connected to the rear panel TAPE IN jacks for monitoring.
Enables playback of signals connected to the TAPE/AUX jacks on the rear panel.
Assigns volume and balance control to the optional RC-4 Remote Control or uses local control.
Selects which loudspeaker terminals (main or remote) audio power is fed to.
Turns the unit's power on and off.
Connects to the receiver's TAPE OUT jacks for inputting audio signals.
Connects to the receiver's TAPE IN jacks for outputting audio signals.
Four jacks for connecting a 2-channel or 4-channel tape recorder.
Eight quick-connect terminals for main and remote speaker connections.
Plug into 117 Volt A.C. outlet for power supply.
Provides switched and unswitched outlets to supply power to associated components.
Overview of the Model 2440's circuitry, including Vari-Matrix, tone controls, and power amplifiers.
Adjusts input sensitivity for the MATRIX INPUT jacks, offering LOW (150mV) and HIGH (75mV) positions.
Describes the function of the MATRIX INPUT and front TAPE/AUX connections.
Details the circuit for rear channel bass and treble response, with variable response characteristics.
Describes the two power amplifiers for rear channels, their circuits, and protective features.
Explains the function of the four meters indicating signal levels for each channel.
Guidelines for servicing, including contacting authorized technicians and shipping procedures.
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