Hammond Leslie 122AvsHammond Leslie 991

Hammond Leslie 122A and Hammond Leslie 991: 2 Hammond rotary speakers compared side by side. They differ on 8 of 10 compared specifications.

Amplifier power: 40 W on the Leslie 122A and 300 W on the Leslie 991.
Drivers: High-power horn driver, 15-inch woofer on the Leslie 122A and High-compression horn driver, 15-inch (38 cm) woofer on the Leslie 991.
Works with: Vintage Hammond A, B, C and RT consoles on the Leslie 122A and Hammond SK Pro, SK Pro 73, SKX, SKX Pro, XK-3c, XK-4, XK-5, B-3 mk2, Portable B-3 mk2 and A-405 via 11-pin; any instrument via the 1/4-inch line input on the Leslie 991.
Dimensions (W × D × H): 743 × 524 × 1057 mm on the Leslie 122A and 742 × 524 × 1045 mm on the Leslie 991.
Weight: 67.6 kg on the Leslie 122A and 63.3 kg on the Leslie 991.

Both are the same on type (Rotary cabinet).

2 items	Hammond Leslie 122A Current	Hammond Leslie 991 Current
General
Manufacturer	Hammond	Hammond
Status	Current	Current
Speaker
Type	Rotary cabinet	Rotary cabinet
Rotors	Horn and drum	Horn and drum
Amplifier power	40 W	300 W
Drivers	High-power horn driver, 15-inch woofer	High-compression horn driver, 15-inch (38 cm) woofer
Connections
Inputs	Leslie 6-pin	Leslie 11-pin, 1/4-inch
Speed control	Organ Leslie switch	Organ Leslie switch, Footswitch
Features
Features	Tube amplifier, Two-speed rotors	Bi-amped, Transistor push-pull overdrive, Three-band EQ, Bass out with adjustable crossover, Stereo stationary out, 11-pin power remote, Brushless DC rotor motors, Adjustable rotor speeds and ramp times
Works with	Vintage Hammond A, B, C and RT consoles	Hammond SK Pro, SK Pro 73, SKX, SKX Pro, XK-3c, XK-4, XK-5, B-3 mk2, Portable B-3 mk2 and A-405 via 11-pin; any instrument via the 1/4-inch line input
Size & weight
Colours	—	Walnut
Dimensions (W × D × H)	743 × 524 × 1057 mm	742 × 524 × 1045 mm
Weight	67.6 kg	63.3 kg

Summary