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Tuning The Amplifier - Subwoofer (s)
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Tuning The Amplifier - Subwoofer (s)
1) Subwoofer Signal Routing Switch
Move switch to left position (L+R Inputs) when used with Left and Right subwoofer RCA outputs. Move switch
to middle position (L Mono Input) when used with single subwoofer RCA outputs. Move switch to right posi-
tion (Signal from Front RCA) when subwoofer signal is to be derived from front and rear channels.
2) GT-RSL
The remote level control (GT-RSL) gives you independent level adjustment of the subwoofer’s output level
beyond the standard system volume control. Please refer to the RSL’s manual for installation instruction. The
GT-RSL is available separately, please consult your authorized Boston Acoustics dealer. If no GT-RSL is used,
switch is set to “Off”.
3) Head Unit
The head unit should have all controls such as bass, treble, balance, and fader set to the flat or centered
position. The volume control should be at the minimum setting. If the head unit has any equalization or bass
management features such as boost, they should be deactivated at this time. Turn head unit on, and verify
that the RED status LED (logo) is illuminated on the amplifier.
4) Volume
With the chosen musical track playing, turn the head unit volume control up until the maximum level of
undistorted signal is heard from the speakers. For most head units, this will be at the end of the volume
control range.
WARNING! A distorted signal from the head unit sent to the amplifier can cause speaker failure at higher
listening levels.
5-Channel Operation (Single RCA) Switch Configuration Diagram