Rear Panel Information
110V or 240V Voltage Selection Switch.
Please check that the voltage indicated is set correctly for your country’s mains supply voltage as this subwoofer comes with a 110V to 115V or 220V to 240V voltage switch.
On/Off switch.
Please turn off your subwoofer during long periods of
Speaker/high level input.
Used when the subwoofer is to be driven from the output of the main speaker power amplifier.
Line input left and right.
These are used to connect the subwoofer to the line level signal from a
Line input LFE.
This dedicated line level input is specifically for an LFE (Low Frequency Effects) output from a
surround sound processor. Please note that single ended (phono) or balanced (XLR) connections are available however they must not be used simultaneously. The LFE input to the subwoofer is not affected by the frequency or slope controls and it will not, therefore, conflict with the bass management settings applied by the external surround sound processor.
Ground Switch.
The default setting is with the Ground Switch IN. This connects the mains earth to the audio input circuitry. If, however, there is a buzzing noise, caused by ground loops between the audio source equipment and the ground of the Reference Series 208 subwoofer, then switch the Ground Switch to OUT.
Auto/Manual Switch.
The default setting is with the Reference Series 208 subwoofer switched into AUTO. This will automatically put the subwoofer into standby after approximately 30 minutes of silence. The subwoofer will return from standby as soon as a source signal is detected. This function can be disabled by setting the subwoofer to MANUAL and using the power switch to turn it on and off.
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