REPLACEMENT PRE-AMPLIFIERS
BTC-1A  BASS, TREBLE, PERCUSSION, AND OVERALL LEVEL CONTROLS
This option provides precise control over the organ's bass, treble, percussion and overall level. 
Mounted on the SSP-3A chassis, these controls allow the organ owner to set sound to his preference and not have to worry about other organists tampering with the settings. 

NOTE: The BTC-1A functions only with the SSP-3A.

 

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