JBL Professional JRX218S 18-Inch Passive Subwoofer Instruction Manual

1. Sarrera

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.

1. irudia: Aurrealdea view of the JBL Professional JRX218S 18-Inch Passive Subwoofer.

2. Segurtasun informazio garrantzitsua

• Irakurri argibideak: Gorde jarraibide hauek etorkizuneko erreferentzia izateko.
• Kontuan izan abisuak: Jarraitu produktuaren eta funtzionamendu-argibideetako abisu guztiak.
• Ura eta hezetasuna: Ez erabili aparatu hau uraren ondoan.
• Garbiketa: Garbitu zapi lehor batekin bakarrik.
• Aireztapena: Ez blokeatu aireztapen-irekidurak. Instalatu fabrikatzailearen argibideen arabera.
• Beroa: Ez instalatu bero-iturri inongo ondoan, esate baterako, erradiadoreak, bero-erregistroak, sukaldeak edo beste aparatu batzuk (barne ampberoa sortzen duten argitzaileak).
• Potentzia-kablearen babesa: Babestu korronte-kablea oinez ibiltzetik edo atxilotzetik, batez ere entxufeetan, erosotasun-harguneetan eta aparatutik irteten diren puntuetan.
• Osagarriak: Erabili fabrikatzaileak zehaztutako eranskinak/osagarriak soilik.
• Muntaketa: Erabili fabrikatzaileak zehaztutako edo aparatuarekin saltzen den saskiarekin, euskarria, tripodea, euskarria edo mahaiarekin soilik. Orga bat erabiltzen denean, kontuz ibili saskia/aparatuaren konbinazioa mugitzean, iraultzeagatik zauririk ez izateko.
• Zerbitzua: Jarri zerbitzu-zerbitzu guztiak zerbitzu-pertsonal kualifikatuari. Zerbitzua behar da aparatua edozein modutan hondatu denean, hala nola, elikatze-kablea edo entxufea hondatuta dagoenean, likidoa isuri denean edo objektuak aparatura erori direnean, aparatua euria edo hezetasuna jasan duenean, ez du normalean funtzionatzen. , edo erori egin da.

3. Zer dago kutxan

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

• JBL Professional JRX218S 18-Inch Passive Subwoofer
• Erabiltzailearen eskuliburua (dokumentu hau)

Elementuren bat falta edo hondatuta badago, jarri harremanetan zure saltzailearekin berehala.

4. Konfigurazio gida

4.1 Jartzea

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 Konexioak

The JRX218S is a passive subwoofer and requires an external amplifier. Connect your 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 Zutoinaren muntaketa

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. Funtzionamendu-argibideak

5.1 Potentzia maneiatzea

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 Sistemaren integrazioa

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. Mantentzea

6.1 Garbiketa

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. Arazoak

8. Zehaztapen Teknikoak

Figure 4: Dimensions of the JRX218S subwoofer.

9. Bermea eta Laguntza

9.1 Bermearen informazioa

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 webwebgunean baldintza zehatzak ikusteko. Gorde erosketaren frogagiria bermearen erreklamazioetarako.

9.2 Bezeroarentzako laguntza

For technical assistance, service, or further inquiries, please contact JBL Professional customer support. Contact details can typically be found on the official JBL webgunean edo produktuaren ontzian.