Hammond XK-4vsHammond XK-7
Summary
Hammond XK-4 and Hammond XK-7: 2 Hammond organs compared side by side. They differ on 8 of 15 compared specifications.
| 2 items | Hammond XK-4CurrentView details → | Hammond XK-7CurrentView details → |
|---|---|---|
| General | ||
| Manufacturer | Hammond | Hammond |
| Status | Current | Current |
| Keyboard | ||
| Manuals | 1 | 1 |
| Keys per manual | 61 | 61 |
| Key action | Waterfall | Waterfall |
| Keybed | Semi-weighted square-front waterfall, velocity-sensitive, virtual multi-contact | 73 keys (61 playing keys plus 12 preset keys), 6L long-key square-front waterfall action with six physical contacts per key |
| Sound | ||
| Drawbars | Physical | Physical |
| Sound engine | MTW2 (Modelled Tone Wheel 2) organ engine | VEM (Virtual Electro-Mechanical) organ engine |
| Organ models | Hammond MTW2 modelled tonewheels, Vx, Farf and Ace transistor organs, classical and theatre pipe organ | Hammond VEM (Virtual Electro-Mechanical) physical-modelled tonewheels, Vx, Farf and Ace transistor combo organs, 41 pipe ranks (classical and theatre) |
| Polyphony | 61 (tonewheel organ) | 61 (tonewheel organ) |
| Connections | ||
| Outputs | 1/4-inch unbalanced, Headphones, Leslie 11-pin | 1/4-inch unbalanced, Headphones, Leslie 11-pin |
| MIDI ports | DIN in, DIN out, USB | DIN in, DIN out, USB |
| Pedal inputs | Sustain, Expression, Rotor speed, Footswitch | Expression, Rotor speed, Footswitch, Pedalboard |
| Features | ||
| Features | Nine physical drawbars, Virtual multi-contact keying, Tube modelling, Digital Leslie (8 cabinets), Pitch and mod wheels, Rotary and organ pedal outputs, Aux input, Colour display, Beech side panels | Four sets of drawbars plus pedal drawbars, Six physical contacts per key, AO-28/AO-29 preamp modelling, Digital Leslie (9 cabinets plus PR-40), Separate bass output, Song record to USB, H-BUS pedalboard connection, Colour display |
| Size & weight | ||
| Colours | Black | Red walnut |
| Dimensions (W × D × H) | 1004 × 322 × 109 mm | 1184 × 399 × 128 mm |
| Weight | 9.4 kg | 18.3 kg |
Key differences
- Keybed: XK-4 – Semi-weighted square-front waterfall, velocity-sensitive, virtual multi-contact XK-7 – 73 keys (61 playing keys plus 12 preset keys), 6L long-key square-front waterfall action with six physical contacts per key
- Sound engine: XK-4 – MTW2 (Modelled Tone Wheel 2) organ engine XK-7 – VEM (Virtual Electro-Mechanical) organ engine
- Organ models: XK-4 – Hammond MTW2 modelled tonewheels, Vx, Farf and Ace transistor organs, classical and theatre pipe organ XK-7 – Hammond VEM (Virtual Electro-Mechanical) physical-modelled tonewheels, Vx, Farf and Ace transistor combo organs, 41 pipe ranks (classical and theatre)
- Dimensions (W × D × H): XK-4 – 1004 × 322 × 109 mm XK-7 – 1184 × 399 × 128 mm
- Weight: XK-4 – 9.4 kg XK-7 – 18.3 kg
Both are the same on manuals (1), keys per manual (61), key action (Waterfall) and drawbars (Physical).

