JBL Professional JRX218S 18-Inch Passive Subwoofer Instruction Manual

1. Destpêk

This manual provides essential information for the proper setup, operation, and maintenance of your JBL Professional JRX218S 18-Inch Passive Subwoofer. Please read this manual thoroughly before using the product to ensure optimal performance and safety. The JRX218S is designed to deliver powerful low-frequency sound for various professional audio applications.

Wêne 1: Pêşî view of the JBL Professional JRX218S 18-Inch Passive Subwoofer.

2. Agahdariya Ewlekariya Girîng

• Rêbernameyên bixwînin: Van rêwerzan ji bo referansa pêşerojê biparêzin.
• Hişyarî hişyar bikin: Hemî hişyariyên li ser hilberê û di rêwerzên xebitandinê de bişopînin.
• Av û Nem: Vê amûrê li nêzî avê bikar neynin.
• Paqijî: Tenê bi qumaşê hişk paqij bikin.
• Perwanekirin: Tu vebûnên hewakirinê negirin. Li gorî rêwerzên çêker saz bikin.
• Germa: Li nêzî ti çavkaniyên germê yên wekî radyator, tomarên germê, sobe, an amûrên din saz nekin (di nav de ampgiyandar) ku germê çêdikin.
• Parastina Hêza Kordê: Kabloya elektrîkê ji meş û pêçandinê biparêzin, nemaze li fîşen, pêlên rehet, û cihê ku ew ji amûrê derdikevin.
• Vêra: Tenê pêvedan / pêlavên ku ji hêla çêker ve hatine destnîşan kirin bikar bînin.
• Çêkirin: Tenê bi selik, stend, sêpê, bend, an tabloya ku ji hêla çêker ve hatî destnîşan kirin, an bi amûreyê re tê firotin bikar bînin. Dema ku selikek tê bikar anîn, dema ku kombînasyona selikê/aparatê biguhezînin hişyariyê bikar bînin da ku ji ziravbûnê dûr nekevin.
• Xizmetkirin: Hemî karûbarê ji personelên karûbarê pispor re bişînin. Xizmetkirin hewce ye dema ku alav bi her awayî zirarê dîtibe, wek mînak têra dabînkirina elektrîkê an fîşa xera bibe, şil hatibe rijandin an tişt ketine nav cîhazê, alav li ber baran an şilbûnê ketibe, bi asayî kar nake. , an hatiye avêtin.

3. Çi di Qutîkê de ye

Upon opening the packaging, verify that all components are present and in good condition:

• JBL Professional JRX218S 18-Inch Passive Subwoofer
• Manual Bikarhêner (ev belge)

Ger tiştên wenda an zirarê nebin, ji kerema xwe tavilê bi firoşkarê xwe re têkilî daynin.

4. Guide Setup

4.1 Cihkirin

For optimal bass response, place the JRX218S subwoofer on a stable, flat surface. Corner placement can often enhance bass output, but experiment with different positions to find the best sound for your environment. Ensure adequate space around the unit for proper ventilation.

4.2 Girêdan

The JRX218S is a passive subwoofer and requires an external ampazadker. Girêdana xwe bi amplifier's output to one of the SpeakON inputs on the rear panel of the subwoofer. The two SpeakON inputs are wired in parallel, allowing for easy daisy-chaining to another passive speaker or subwoofer. Ensure your amplifier can safely drive a 4-ohm load.

Figure 2: Rear panel showing SpeakON input connectors.

4.3 Çêkirina Pol

The subwoofer features a top-mounted, cast aluminum 35 mm pole mount receptacle. This allows you to mount a mid/high speaker cabinet directly above the subwoofer using an optional SS3BK pole (sold separately), creating a compact and integrated full-range sound system. Ensure the pole and mounted speaker are stable and secure.

Figure 3: JRX218S with an optional pole-mounted speaker (speaker and pole not included).

5. Telîmatên Operating

5.1 Handling Power

The JRX218S has a continuous power handling capacity of 350 Watts and a peak power handling of 1400 Watts. It is crucial to match your amplifier's output to these specifications to prevent damage to the subwoofer. Overpowering or underpowering can lead to poor performance or component failure.

5.2 Impedance and Frequency Response

The subwoofer operates at an impedance of 4 ohms. Its frequency range is 34Hz-250Hz (-10dB), with a frequency response of 53Hz-250Hz (±3dB). This range is optimized for deep bass reproduction.

5.3 Pergala Integration

When integrating the JRX218S into a larger PA system, use an external crossover to send only low-frequency signals to the subwoofer. This ensures efficient operation and prevents the subwoofer from attempting to reproduce frequencies outside its optimal range, which can lead to distortion and reduced performance.

6. Maintenance

6.1 Paqijkirin

To maintain the appearance and performance of your subwoofer, regularly wipe the exterior with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or excessive moisture, as these can damage the carpet covering and internal components.

6.2 Enclosure and Grille

The rugged enclosure is constructed from 19 mm (.75 in) Medium Density Fiberboard (MDF) and covered in black carpet. The 18-gauge perforated steel grille protects the speaker components. Inspect these periodically for any signs of damage. Minor scuffs on the carpet can often be brushed out. Do not attempt to remove the grille unless you are qualified service personnel.

7. Destpêkirin

8. Specifications Teknîkî

Figure 4: Dimensions of the JRX218S subwoofer.

9. Garantî û Piştgirî

9.1 Agahî Garantî

The JBL Professional JRX218S 18-Inch Passive Subwoofer comes with a manufacturer's limited warranty. Please refer to the warranty card included with your product or visit the official JBL Professional webji bo şert û mercên berfireh malperê bibînin. Delîla kirîna xwe ji bo îdiayên garantiyê biparêzin.

9.2 Piştgiriya Mişterî

For technical assistance, service, or further inquiries, please contact JBL Professional customer support. Contact details can typically be found on the official JBL webmalper an di pakêta hilberê de.