Hammond M-solovsHammond SK Pro 73
Summary
Hammond M-solo and Hammond SK Pro 73: 2 Hammond multi-function keyboards compared side by side. They differ on 12 of 14 compared specifications.
| 2 items | Hammond M-soloCurrentView details → | Hammond SK Pro 73CurrentView details → |
|---|---|---|
| General | ||
| Manufacturer | Hammond | Hammond |
| Status | Current | Current |
| Released | — | 2021 |
| Keyboard | ||
| Keys | 49 | 73 |
| Key action | — | Waterfall |
| Keybed | 49-note lightweight keyboard, velocity-sensitive, virtual multi-contact | Semi-weighted square-front waterfall, velocity-sensitive, virtual nine-contact (F1 to F7) |
| Sounds | ||
| Sections | Organ, Synth | Organ, Piano, Electric piano, Synth, Sample playback |
| Drawbars | Physical | Physical |
| Sound engine | MTW II organ, sampled transistor organs and string/vocal ensemble, analogue-modelling polysynth | MTW1 organ, sampled piano/ensemble engine and analogue-modelling mono synth |
| Organ models | Hammond MTW II modelled tonewheels (B-3), Vx, Farf and Ace transistor organs | Hammond MTW1 modelled tonewheels from the XK-5 (A-100, B-3, C-3, Mellow), Vx, Farf and Ace transistor organs, classical and theatre pipe |
| Polyphony | Tonewheel 61, transistor organs 96, ensemble 96, polysynth 8 | Organ 61, piano/ensemble 128, mono synth monophonic |
| Connections | ||
| Outputs | 1/4-inch unbalanced, Headphones | 1/4-inch unbalanced, Headphones, Leslie 11-pin |
| MIDI ports | DIN in, DIN out, USB | DIN in, DIN out, USB |
| Pedal inputs | Expression, Rotor speed | Sustain, Expression, Rotor speed, Footswitch |
| Features | ||
| Features | Nine physical drawbars, Virtual multi-contact keying, Digital Leslie, String/vocal ensemble, Two-oscillator polysynth, Three preset buttons, Aux input, External power adaptor | Nine physical drawbars, Virtual multi-contact keying, Digital Leslie, Four sound engines, Pitch and mod wheels, Individual and organ pedal outputs, Seamless sound switching, Colour display, Internal AC power |
| Size & weight | ||
| Colours | Black, Burgundy, Blue, British racing green | Black |
| Dimensions (W × D × H) | 731 × 274 × 85 mm | 1170 × 322 × 109 mm |
| Weight | 3.6 kg | 11 kg |
Key differences
- Keys: M-solo – 49 SK Pro 73 – 73
- Keybed: M-solo – 49-note lightweight keyboard, velocity-sensitive, virtual multi-contact SK Pro 73 – Semi-weighted square-front waterfall, velocity-sensitive, virtual nine-contact (F1 to F7)
- Sound engine: M-solo – MTW II organ, sampled transistor organs and string/vocal ensemble, analogue-modelling polysynth SK Pro 73 – MTW1 organ, sampled piano/ensemble engine and analogue-modelling mono synth
- Organ models: M-solo – Hammond MTW II modelled tonewheels (B-3), Vx, Farf and Ace transistor organs SK Pro 73 – Hammond MTW1 modelled tonewheels from the XK-5 (A-100, B-3, C-3, Mellow), Vx, Farf and Ace transistor organs, classical and theatre pipe
- Polyphony: M-solo – Tonewheel 61, transistor organs 96, ensemble 96, polysynth 8 SK Pro 73 – Organ 61, piano/ensemble 128, mono synth monophonic
- Dimensions (W × D × H): M-solo – 731 × 274 × 85 mm SK Pro 73 – 1170 × 322 × 109 mm
Both are the same on drawbars (Physical).

