The 715, 815, HL-722, and HL-822 are all deviations of the same “guts” – each model simply bearing a different cabinet.  The service manual and parts are the same for all four models.

This model was designed to be used with the Hammond B-3000 organ, as it’s cabinet matches the B-3000’s case.

Amplifier Type	Solid State
Output Power	215 Watts total
Drum	Rotosonic
Horn	1 - Compression Driver
Speeds	3 Speed (Chorale/Stop/Tremolo)
Interface	11 Pin