Trek II Products SSP-1C Solid State Pre-Amp works on Hammond Organ Models: A, AB, B, BA, BC, C, D, G. Replaces the AO-15331 two tube (#56-#57) pre-amps used in very early standard Hammond consoles.

　　FEATURES:

　　Built in power supply

　　Built in tremolo control circuit for 122 type Leslie speakers

　　Adjustable tone control

　　Compatible with RV-1D

　　NOTE: The SSP-1C is not compatible with BV, CV or DV type organs.

　　Condition

　　This item is new and in excellent condition. The "discoloration" of the item is how the product is produced by the manufacturer and is not a defect or damage.