HAMMOND SKX Pro
Hammond SKX Pro Dual 61-key Stage Keyboard/Organ User Manual
Model: SKX Pro
Introduction
This manual provides essential instructions for the setup, operation, and maintenance of your Hammond SKX Pro Dual 61-key Stage Keyboard/Organ. The SKX Pro is a versatile instrument featuring dual 61-key manuals, multiple sound engines including Virtual Tonewheel Organ, Piano/Ensemble, and Mono Synth voices, along with DSP multi-effects and Digital Leslie simulation. Please read this manual thoroughly to ensure proper use and to maximize your instrument's potential.
Important Safety Instructions
- Do not expose this appliance to rain or moisture.
- Do not block any ventilation openings.
- Only use attachments/accessories specified by the manufacturer.
- Refer all servicing to qualified service personnel.
- Ensure the power cord is not walked on or pinched.
- Disconnect the power plug during lightning storms or when unused for long periods.
Setup
1. Unpacking
Carefully remove the SKX Pro from its packaging. Retain all packing materials for future transport or storage.
2. Power Connection
Connect the supplied AC adapter to the DC input jack on the rear panel of the SKX Pro, then plug the adapter into a suitable AC outlet.
3. Audio Connections
- Output Jacks: Connect the L/MONO and R output jacks to your amplifier, mixer, or audio interface using standard 1/4-inch TS cables.
- Headphones: For private practice, connect headphones to the 3.5mm or 6.35mm headphone jack.
4. Pedal Connections
Connect expression pedals, sustain pedals, or other control pedals to the designated jacks on the rear panel as required for your performance setup.
Operating Instructions
The Hammond SKX Pro features a comprehensive control panel designed for intuitive operation. Familiarize yourself with the layout for optimal performance.

Figure 1: Front panel overview of the Hammond SKX Pro, showing the dual 61-key manuals, drawbars, control knobs, and display screen.
1. Master Controls
- Master Volume: Adjusts the overall output level of the instrument.
- Power Switch: Located on the rear panel. Turn on after all connections are made.
2. Organ Section
This section provides authentic Hammond tonewheel organ sounds with dedicated controls.
- Drawbars: The SKX Pro features physical drawbars for both Upper and Lower manuals, allowing for real-time tonal shaping. Each drawbar controls a specific harmonic overtone.
- Vibrato & Chorus: Controls for classic Hammond vibrato and chorus effects (V1, V2, V3, C1, C2, C3).
- Percussion: Engage the percussion feature with controls for decay (SOFT/FAST) and volume (NORMAL/SOFT).
- Digital Leslie: Simulates the rotating speaker effect. Adjust speed (SLOW/FAST) and stop/start.
3. Piano/Ensemble Section
Access a wide range of piano and ensemble voices.
- Voice Selection: Use the dedicated buttons (e.g., PIANO, ENSEMBLE) and the display to select various sounds like grand pianos, electric pianos, strings, and brass.
- Volume: Adjust the volume for the selected voice.
- Effects: Apply effects such as reverb, chorus, and overdrive to enhance the sound.
4. Mono Synth Section
The Mono Synth engine offers classic analog synthesizer capabilities.
- Oscillator: Select waveform types (Saw, Square, Pulse) and adjust pitch.
- Filter: Control cutoff frequency, resonance, and envelope depth.
- Pitch & Filter Envelope: Adjust attack, decay, sustain, and release parameters for dynamic sound shaping.
- Amplitude Envelope: Control the overall volume contour with ADSR (Attack, Decay, Sustain, Release) settings.
5. Display and Navigation
The central display screen provides visual feedback and allows for detailed parameter editing and patch management.
- Value Knob: Used to adjust parameter values shown on the display.
- Menu/Exit: Navigates through menus or exits current screens.
- Enter: Confirms selections.
- Page Buttons: Navigate between different pages within a menu.
- Favorites: Store and recall your preferred sound registrations quickly.
Maintenance
Cleaning
Wipe the exterior of the instrument with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and then dry thoroughly. Avoid abrasive cleaners or solvents.
Storage
When not in use, store the SKX Pro in a dry, temperature-controlled environment, away from direct sunlight and extreme temperatures. If transporting, use appropriate protective cases.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | Power off, volume low, cables disconnected, headphones connected. | Ensure power is on, master volume is up, audio cables are securely connected, and headphones are unplugged if using main outputs. |
| Distorted sound | Volume too high, incorrect gain staging, faulty cable. | Reduce master volume or individual voice volumes. Check gain settings on connected amplifier/mixer. Try a different audio cable. |
| Keys not responding | Local control off, MIDI issue. | Check instrument settings to ensure local control is enabled. If using MIDI, verify MIDI connections and settings. |
If you encounter issues not listed here, please consult the official Hammond support resources.
Specifications
- Model: SKX Pro
- Brand: HAMMOND
- Number of Keys: 2 x 61-key (Dual Manual)
- Sound Engines: Virtual Tonewheel Organ, Piano/Ensemble, Mono Synth
- Effects: DSP Multi-effects, Digital Leslie
- Connectivity: 3.5mm Jack, 6.35mm Jack (Headphones/Outputs), Auxiliary, MIDI, USB
- Power Source: AC adapter
- Dimensions (D x W x H): 39.5" x 39.5" x 7.28"
- Item Weight: 51.2 pounds
- Color: Black, Grey, White
Warranty and Support
For warranty information and technical support, please refer to the official HAMMOND website or contact your authorized dealer. Keep your proof of purchase for warranty claims.
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