B+ 6X4 Tube Socket Adapter for Hammond Organ AO-28 Preamp
Tube adapter to tap off B+ for 122 type Leslie control. Includes internal resistor in series with the flying lead. This unit plugs in in place of the 6X4 tube, and the 6X4 plugs into it.
This part is used on the AO-28 pre amps found in Hammond B3, C3, A-100, RT-3, D-100 Organs.