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6-pin Leslie Pinouts

Hammond-type Leslie Models - Includes: 30A, 30C, 31A, 31H, 21H, 22H, 22R, 122, 122R, 122V, 122RV, 142, 142A, 222, 222RV, 242, 122A-T and current 122A. (Early "30" series models below serial number 5200 have no provision to isolate DC control voltages and can not be used with 6H-type hookups unless their power amps are upgraded to later specs.) (See Leslie122Hookup for pinout.)
Leslie Models based on the old Wurlitzer wiring standard. Includes: 31W (except very early version), 44W, 46W, 25, 45, 47, 47R, 110, 112, 114, 116, 120, 120C, 125, 225, 145, 145A, 147, 147V, 147RV, 245, 247, 247RV, and current 147A. (Spinet-type Leslies without power amps have their speaker(s) connected directly to pins 1 and 6.) (See Leslie147Hookup for pinout.)
Leslie Models based on the old two-channel Conn wiring standard. Includes: 50C, 55C, 51C, 51, 251, and 351 (Model 55C has no motor control and works only with selected early Conn Organs.)

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