Hammond Leslie 2101mk2vsHammond Leslie 991
Summary
Hammond Leslie 2101mk2 and Hammond Leslie 991: 2 Hammond rotary speakers compared side by side. They differ on 10 of 11 compared specifications.
| 2 items | Hammond Leslie 2101mk2CurrentView details → | Hammond Leslie 991CurrentView details → |
|---|---|---|
| General | ||
| Manufacturer | Hammond | Hammond |
| Status | Current | Current |
| Speaker | ||
| Type | Rotary cabinet | Rotary cabinet |
| Rotors | Real horn, digital lower rotor | Horn and drum |
| Amplifier power | 200 W | 300 W |
| Drivers | Horn driver, two 6-inch woofers, two 2-inch tweeters | High-compression horn driver, 15-inch (38 cm) woofer |
| Connections | ||
| Inputs | Leslie 11-pin, Leslie 8-pin, 1/4-inch | Leslie 11-pin, 1/4-inch |
| Speed control | Organ Leslie switch | Organ Leslie switch, Footswitch |
| Features | ||
| Features | Three channels (rotary plus stereo stationary), Tube overdrive, Adjustable rotor speeds, ramp and brake times, Two presets, Line and lower-rotor outputs | 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 | Hammond organs via 11-pin or 8-pin; any instrument via 1/4-inch | 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 | Black | Walnut |
| Dimensions (W × D × H) | 508 × 521 × 330 mm | 742 × 524 × 1045 mm |
| Weight | 22.7 kg | 63.3 kg |
Key differences
- Amplifier power: Leslie 2101mk2 – 200 W Leslie 991 – 300 W
- Rotors: Leslie 2101mk2 – Real horn, digital lower rotor Leslie 991 – Horn and drum
- Drivers: Leslie 2101mk2 – Horn driver, two 6-inch woofers, two 2-inch tweeters Leslie 991 – High-compression horn driver, 15-inch (38 cm) woofer
- Works with: Leslie 2101mk2 – Hammond organs via 11-pin or 8-pin; any instrument via 1/4-inch 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 2101mk2 – 508 × 521 × 330 mm Leslie 991 – 742 × 524 × 1045 mm
- Weight: Leslie 2101mk2 – 22.7 kg Leslie 991 – 63.3 kg
Both are the same on type (Rotary cabinet).

