Behringer RD-9
Behringer RHYTHM DESIGNER RD-9 User Manual
Classic Analog/Digital Drum Machine
1. Introduction
The Behringer RHYTHM DESIGNER RD-9 is a classic analog/digital drum machine designed to deliver authentic drum sounds and powerful sequencing capabilities. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your RD-9.
Key Features:
- Authentic analog/digital sound engine for classic drum performance.
- 11 original drum sounds with extensive parameters and global accent control.
- Powerful 64-step drum sequencer supporting poly-meter, step-repeat, note-repeat, real-time triggering, track-mute, and track-solo functions.
- 10 independent analog outputs for flexible external processing and multi-track recording.
- Integrated FX bus featuring Wave Designer and a dual-mode Analog Filter with per-voice assignment.

Figure 1.1: Front view of the Behringer RHYTHM DESIGNER RD-9.
2. Setup
2.1 Unboxing and Inspection
Carefully remove the RD-9 from its packaging. Inspect the unit for any signs of damage during transit. Retain the packaging for future transport or storage.
2.2 Connecting Power
- Ensure the RD-9's power switch is in the OFF position.
- Connect the supplied power adapter to the DC IN jack on the rear panel of the RD-9.
- Plug the power adapter into a suitable AC power outlet.
2.3 Audio Connections
The RD-9 offers a Main stereo output and 10 individual voice outputs for flexible routing.
- Main Output: Connect the MAIN L/MONO and R outputs to your mixer or audio interface using 1/4" TS cables.
- Individual Voice Outputs: For separate processing of drum sounds, connect the individual VOICE OUT jacks (e.g., BASS, SNARE, HI HAT, etc.) to your mixer's input channels.
- Headphones: Connect your headphones to the PHONES jack for monitoring.
2.4 MIDI and USB Connections
The RD-9 supports MIDI and USB for external control and synchronization.
- MIDI: Use standard 5-pin DIN MIDI cables to connect the MIDI IN, OUT, and THRU ports to other MIDI devices.
- USB: Connect the USB port to your computer for MIDI over USB and firmware updates.

Figure 2.1: Rear panel connections of the Behringer RD-9, showing power, audio, MIDI, and USB ports.
3. Operating the RD-9
3.1 Powering On
Once all connections are made, switch the POWER button on the rear panel to the ON position. The display will illuminate, indicating the unit is ready for operation.
3.2 Front Panel Overview
The RD-9's front panel is intuitively laid out for hands-on control:
- Master Section: Controls for overall volume, FX, and global accent.
- Drum Sound Sections: Dedicated knobs for tuning, level, decay, and other parameters for each of the 11 drum sounds (Bass Drum, Snare Drum, Toms, Hi Hat, Cymbal, Rim Shot/Clap).
- Sequencer Controls: Buttons for pattern/song mode, step sequencing, real-time recording, and transport controls (Play, Stop, Record).
- Step Buttons: 16 illuminated step buttons for programming patterns.
- Display: Numeric display shows tempo, pattern number, and other relevant information.

Figure 3.1: Angled view of the RD-9 highlighting the various control sections.
3.3 Sequencing Basics
The RD-9 features a powerful 64-step sequencer. Patterns can be programmed in STEP mode or recorded in real-time.
- STEP Mode: Press the STEP button. Select a drum instrument button (e.g., BASS DRUM). Use the 1-16 step buttons to program hits for that instrument.
- Real-Time Recording: Press the RECORD button, then PLAY. Play the drum sounds using the instrument buttons or external MIDI.
- Poly-meter: The sequencer supports poly-meter, allowing for complex rhythmic structures.
- Step/Note Repeat: Use the STEP REPEAT and NOTE REPEAT functions for dynamic performance effects.
- Track Mute/Solo: Mute or solo individual drum tracks for arrangement purposes.
3.4 Drum Sound Parameters
Each of the 11 drum sounds has dedicated controls for shaping its character. Experiment with the TUNE, LEVEL, DECAY, and other specific parameters for each sound to achieve your desired tone.
3.5 FX Bus: Wave Designer and Analog Filter
The integrated FX bus provides additional sound sculpting capabilities:
- Wave Designer: Adjusts the attack and sustain characteristics of the sounds routed through it.
- Dual-Mode Analog Filter: Offers both High-Pass Filter (HPF) and Low-Pass Filter (LPF) modes. Use the CUTOFF and RESONANCE knobs to shape the frequency content. Sounds can be assigned to the filter per voice.

Figure 3.2: Detail of the FX section with Wave Designer and Analog Filter controls.
3.6 Saving and Loading
The RD-9 allows you to save and recall your patterns and songs. Refer to the detailed instructions in the full manual for specific procedures on using the SAVE, COPY, ERASE, and DUMP functions.
4. Maintenance
4.1 Cleaning
To clean the RD-9, use a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents, as these can damage the finish and controls. Ensure the unit is powered off and disconnected from the power source before cleaning.
4.2 Storage
When not in use for extended periods, store the RD-9 in a cool, dry place, away from direct sunlight and extreme temperatures. It is recommended to use the original packaging for storage and transport.
4.3 Firmware Updates
Behringer may release firmware updates to improve performance or add new features. Check the official Behringer website for the latest firmware and instructions on how to update your RD-9 via USB.
5. Troubleshooting
If you encounter issues with your RD-9, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound output | Volume knob too low; incorrect audio connections; muted tracks. | Increase MASTER volume. Check all audio cables and connections. Ensure tracks are not muted. |
| Sequencer not playing | Not in PLAY mode; external MIDI clock issue; no pattern programmed. | Press PLAY. Check SYNC settings (INT/MIDI/USB). Program a pattern in STEP or real-time mode. |
| MIDI not responding | Incorrect MIDI connections; wrong MIDI channel; SYNC set to internal. | Verify MIDI IN/OUT connections. Check MIDI channel settings on both devices. Set SYNC to MIDI or USB. |
| Unit not powering on | Power adapter not connected; faulty power outlet. | Ensure power adapter is securely connected to the unit and a working power outlet. |
If the problem persists after trying these solutions, please contact Behringer customer support.
6. Specifications
| Feature | Detail |
|---|---|
| Model Name | RD-9 |
| Brand | Behringer |
| Manufacturer | Music Tribe US |
| Product Dimensions (L x W x H) | 10.39 x 18.78 x 3.07 inches |
| Item Weight | 6.61 pounds (3000 Grams) |
| Body Material | Bass Wood |
| Date First Available | June 16, 2021 |
7. Warranty and Support
Behringer products are designed for reliability and performance. For detailed warranty information, please refer to the warranty card included with your product or visit the official Behringer website. For technical support, product registration, or to download the latest drivers and firmware, please visit www.behringer.com.
Consider purchasing an extended protection plan for additional coverage beyond the standard manufacturer's warranty. Options may include 3-Year or 4-Year Protection Plans, or comprehensive plans like 'Complete Protect'.

Figure 7.1: Product label with regulatory compliance information.
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