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Rotary Speakers

Hammond Leslie 122XBvsHammond Leslie 991

Summary

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

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2 items

Hammond

Leslie 122XB
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Hammond

Leslie 991
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General
ManufacturerHammondHammond
StatusCurrentCurrent
Speaker
TypeRotary cabinetRotary cabinet
RotorsHorn and drumHorn and drum
Amplifier power40 W300 W
DriversHigh-power horn driver, 15-inch wooferHigh-compression horn driver, 15-inch (38 cm) woofer
Connections
InputsLeslie 11-pinLeslie 11-pin, 1/4-inch
Speed controlOrgan Leslie switchOrgan Leslie switch, Footswitch
Features
FeaturesTube amplifier, Two-speed rotors, 1/4-inch input and footswitch jack via optional interface panelBi-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 withModern Hammonds with an 11-pin Leslie socket; older models via adaptor kitsHammond 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 mm742 × 524 × 1045 mm
Weight67.6 kg63.3 kg

Key differences

  • Amplifier power: Leslie 122XB – 40 W Leslie 991 – 300 W
  • Drivers: Leslie 122XB – High-power horn driver, 15-inch woofer Leslie 991 – High-compression horn driver, 15-inch (38 cm) woofer
  • Works with: Leslie 122XB – Modern Hammonds with an 11-pin Leslie socket; older models via adaptor kits Leslie 991 – 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
  • Dimensions (W × D × H): Leslie 122XB – 743 × 524 × 1057 mm Leslie 991 – 742 × 524 × 1045 mm
  • Weight: Leslie 122XB – 67.6 kg Leslie 991 – 63.3 kg

Both are the same on type (Rotary cabinet).