Hammond XK-4
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Manufacturer Information
Hammond
https://www.hammond.eu
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Hammond Suzuki Europe B.V.
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A Modern Heir in the Hammond Lineage
The Hammond XK-4 stands as a modern synthesis of the Hammond spirit: a portable instrument designed for keyboardists who want the authenticity of a tonewheel organ without sacrificing editing comfort and the reliability of a stage keyboard. With its Modelled Tone Wheel 2 engine, it does not merely imitate a timbre: it reproduces the life, nuances, and behavior, while expanding the palette with transistor "combo" organ models (Italian, British, Japanese) and customizable classical and theater organ banks.
Keyboard Design
The XK-4 features a light-touch organ keyboard with virtual "multi-contact", designed to replicate the fast response and characteristic feel of historic Hammonds. The drawbars allow instant harmonic blending, while the programmable pitch bend and modulation wheels add contemporary expressiveness for studio and live contexts. The beech wood side panels complete an aesthetic faithful to the brand's DNA, blending tradition and performance instrument.
Sound Quality
Sound generation relies on MTW2 modeling, with precise work on the 91 tonewheels to achieve an organic, rich, and responsive sound. The digital Leslie aims for an immersive experience by modeling movement, speeds, and transitions, with fine control over ramps and mic placement to tailor the stereo image to your amp or front of house. To recapture the character of legendary machines, the XK-4 also includes tube modeling and an emulated matching transformer: enough to thicken the attack, enhance presence, and provide that "vintage" relief that makes a difference in a mix.
Built-in Effects
- Hammond Chorus/Vibrato (three generations) and Touch-Response Percussion
- Overdrive: Tube, Solid, Clip, EP Amp
- Multi-effects 1: Tremolo, Wah, Ring Modulator, Compressor
- Multi-effects 2: Phaser, Flanger, Chorus, Delay, Auto Pan
- Leslie: 8 models (including 122, 145, 147) with independent volume, Fast/Slow speeds, ramps, and mic placement
- Master EQ to adjust tonal balance according to room, amp, or PA system
Technical specifications
| Effects | Wah, Tremolo, Delay, Compressor, Chorus, Leslie Simulator and Octaver, Overdrive, Flanger, Panning, Phaser, Ring modulation | Number of keys | 61 |
| Arpeggiator | No | Touch | Lightweight |
| Bluetooth | No | USB to Host port | Yes |
| Controller | Pitchbend, Modulation, Drawbars | Inputs | Expression pedal, Audio in, Control pedal |
| Number of speakers | 0 | Outputs | Leslie, USB Type B, Mono & stereo audio, 6.5 mm headphone, USB Type A |
| Velocity sensitive | Yes | Color | Black |
| MIDI DIN I/O | Yes | Finishing | Matt |
Questions frequently asked
Can the Hammond XK-4 connect to an external Leslie cabinet?
An 11-pin Leslie socket is built-in and automatically disables the digital Leslie when a Leslie speaker is connected. A ROTARY OUT output and an input for the optional Half Moon CU-1 switch are also provided.
What type of keyboard and how many keys does it have?
The keyboard has 61 light-touch keys with virtual multi-contact for fast organ-style response. Velocity sensitivity is indicated, while harmonic drawbars provide direct registration control.
What effects are built into the XK-4?
The Leslie section offers 8 models, including 122, 145, and 147, with speed settings, ramps, and mic placement adjustments. Four types of overdrive are available: Tube, Solid, Clip, and EP Amp. The two multi-effects include wah, compressor, phaser, flanger, chorus, and delay.
Can a Hammond MIDI pedalboard be used with this organ?
Compatibility is specified with Hammond pedalboards XPK-130G, XPK-200GL, and SK25. Inputs for expression pedal and control pedal complete this setup.
What are the dimensions and weight of this portable organ?
With dimensions of 1004 x 322 x 109 mm and a weight of 9.4 kg, this model adopts a format suited for stage setups. Its side panels are made of beech wood and the finish is matte.



