1. Einleitung
The DS18 PRO-DR2 is a high-performance 2-inch titanium screw-on compression driver designed for professional audio applications. This manual provides essential information for the proper installation, operation, and maintenance of your PRO-DR2 driver to ensure optimal performance and longevity.

Image 1.1: The DS18 PRO-DR2 compression driver, highlighting its 2-inch titanium voice coil, 8 Ohm impedance, 400W RMS / 800W MAX power, 980Hz-20KHz frequency response, and 110dB sensitivity.
Hauptmerkmale:
- 2-inch Titanium Voice Coil: Ensures high-frequency reproduction with clarity and precision.
- Hohe Belastbarkeit: Rated at 400W RMS and 800W MAX power for robust performance.
- 8 Ohm Impedanz: Compatible with a wide range of audio systems.
- 38 oz Ferrite Magnet: Provides strong magnetic flux for efficient sound production.
- Screw-On Design: Facilitates secure and straightforward mounting.
2. Einrichtung und Installation
2.1 Sicherheitsvorkehrungen
- Always disconnect power from your audio system before installation.
- Tragen Sie geeignete Schutzausrüstung, einschließlich Augenschutz.
- Ensure proper ventilation around the driver to prevent overheating.
- Wenn Sie sich bei einzelnen Arbeitsschritten unsicher sind, wenden Sie sich an einen professionellen Installateur.
2.2 Mounting the Driver
The PRO-DR2 features a screw-on throat for secure attachment to compatible horn flares or waveguides. Ensure the mounting surface is stable and free from obstructions.
- Align the driver's screw-on throat with the corresponding threads on your horn or waveguide.
- Carefully twist the driver clockwise until it is hand-tight. Do not overtighten, as this can damage the driver or horn.
- Ensure the driver is seated flush and securely.

Abbildung 2.1: Seite view of the DS18 PRO-DR2, illustrating the screw-on throat for mounting.
2.3 Kabelverbindungen
Connect the driver to your amplifier or crossover network. Pay close attention to polarity to ensure correct phase alignment with other speakers in your system.
- Identify the positive (+) and negative (-) terminals on the PRO-DR2 driver.
- Connect the positive output from your amplifier or crossover to the positive terminal of the driver.
- Connect the negative output from your amplifier or crossover to the negative terminal of the driver.
- Stellen Sie sicher, dass alle Verbindungen sicher und frei von Kurzschlüssen sind.

Abbildung 2.2: Unterseite view of the DS18 PRO-DR2, showing the input terminals for wiring connections.
2.4 Frequenzweicheneinstellungen
A passive or active crossover is essential to protect the compression driver from low frequencies that can cause damage. Refer to your system's amplifier or crossover manual for specific settings.
- Set the high-pass filter (HPF) for the driver channel to at least 1.5 kHz (1500 Hz) with a slope of 12dB/octave or higher.
- Adjust the crossover point based on your specific system and listening preferences, ensuring the driver is not subjected to frequencies below its recommended range.
3. Bedienungsanleitung
3.1 Erstes Einschalten
After installation, perform a low-volume test to confirm proper functionality.
- Turn on your audio system with the volume set to minimum.
- Gradually increase the volume to a low listening level.
- Listen for clear, undistorted sound from the PRO-DR2 driver.
3.2 Gain and Level Adjustment
Richtiger Gewinn staging is crucial to prevent distortion and maximize sound quality.
- Legen Sie die amplifier gain for the driver channel according to the amplifier's instructions, typically by playing a test tone and adjusting until the clipping indicator just begins to flash, then backing off slightly.
- Avoid setting the gain too high, as this can lead to clipping and damage to the driver.
3.3 Avoiding Distortion
Distortion is a primary cause of driver failure. Always operate your system within its clean power limits.
- If you hear any harsh, crackling, or fuzzy sounds, immediately reduce the volume.
- Stellen Sie sicher, dass Ihre amplifier is not clipping.
- Verify that your crossover settings are correct and protecting the driver from low frequencies.
4. Wartung
The DS18 PRO-DR2 driver requires minimal maintenance to ensure long-term performance.
4.1 Reinigung
- Periodically wipe the exterior of the driver with a soft, dry cloth to remove dust and debris.
- Do not use harsh chemicals, solvents, or abrasive cleaners, as these can damage the finish or internal components.
- Avoid getting moisture into the driver's voice coil or terminals.
4.2 Inspektion
- Überprüfen Sie regelmäßig alle Kabelverbindungen, um sicherzustellen, dass sie fest sitzen und frei von Korrosion sind.
- Inspect the mounting points for any signs of loosening or damage.
- Listen for any unusual noises during operation that might indicate a problem.
4.3 Speicherung
If storing the driver for an extended period, keep it in a cool, dry place, away from direct sunlight and extreme temperatures. Use original packaging if available to protect it from physical damage.
5. Fehlerbehebung
If you experience issues with your PRO-DR2 driver, refer to the following troubleshooting guide:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Kein Geräusch vom Fahrer |
|
|
| Verzerrter oder harscher Klang |
|
|
| Geringe Lautstärke |
|
|
6. Spezifikationen
Detailed technical specifications for the DS18 PRO-DR2 compression driver:
| Besonderheit | Spezifikation |
|---|---|
| Modellnummer | PRO-DR2 |
| Nominale Impedanz | 8 Ohm |
| RMS-Belastbarkeit | 400 Watt |
| MAX Power-Handling | 800 Watt |
| Empfindlichkeit (1 W / 1 m) | 110 dB |
| Frequenzgang | 980 Hz - 20 kHz |
| Schwingspulengröße | 2 Zoll |
| Diaphragma Material | Titan |
| Magnetgewicht | 38 oz (Ferrite) |
| Bolzentyp | Festschrauben |
| Gesamttiefe | 3.07 Zoll (78 mm) |
| Konnektivitätstechnologie | Verdrahtet |
| Gehäusematerial | Titan |
| Artikelgewicht | 38 Unzen |
7. Garantieinformationen
The DS18 PRO-DR2 compression driver comes with a limited manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for any warranty claims.
For specific details regarding warranty duration and terms, please refer to the warranty card included with your product or visit the official DS18 webWebsite.
8. Unterstützung
If you require further assistance or have questions not covered in this manual, please contact DS18 customer support.
- WebWebsite: www.ds18.com
- E-Mail: Refer to the DS18 webWebsite für Kontakt-E-Mail.
- Telefon: Refer to the DS18 webWebsite für Kontakttelefonnummer.
When contacting support, please have your product model (PRO-DR2) and purchase information readily available.