JBL Professional JRX218S 18-Inch Passive Subwoofer Instruction Manual

1. Selelekela

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.

Setšoantšo sa 1: Pele view of the JBL Professional JRX218S 18-Inch Passive Subwoofer.

2. Boitsebiso ba Bohlokoa ba Tšireletseho

• Bala Litaelo: Boloka litaelo tsena bakeng sa ho li sebelisa nakong e tlang.
• Mamela Litemoso: Latela litemoso tsohle tse mabapi le sehlahisoa le litaelong tsa ts'ebetso.
• Metsi le Mongobo: Se ke oa sebelisa sesebelisoa sena haufi le metsi.
• Ho hloekisa: Hloekisa feela ka lesela le omeletseng.
• Moea oa moea: Se ke oa thibela menyetla efe kapa efe ea moea. Kenya ho latela litaelo tsa moetsi.
• Mocheso: Se ke oa kenya haufi le mehloli efe kapa efe ea mocheso joalo ka li-radiator, lirejista tsa mocheso, litofo, kapa lisebelisoa tse ling (ho kenyeletsoa amplifiers) tse hlahisang mocheso.
• Ts'ireletso ea Power-Cord: Sireletsa thapo ea motlakase hore e se ke ea tsamauoa kapa e penngoa, haholo-holo ha li-plug, litšepe tse bonolo, le moo li tsoang teng.
• Lisebelisoa: Sebelisa feela liphutheloana/lisebelisoa tse boletsoeng ke moetsi.
• Ho hlongoa: Sebelisa feela ka kolotsana, stand, tripod, bracket, kapa tafole e boletsoeng ke moetsi, kapa e rekisoang ka lisebelisoa. Ha kariki e sebelisoa, ela hloko ha u tsamaisa motsoako oa kariki / lisebelisoa ho qoba ho tsoa kotsi ho tloha qetellong.
• Litšebeletso: Fetisetsa lits'ebeletso tsohle ho basebetsi ba tšoanelehang. Ts'ebeletso e hlokahala ha lisebelisoa li senyehile ka tsela efe kapa efe, joalo ka thapo ea phepelo ea motlakase kapa plug e senyehile, mokelikeli o tšolohile kapa lintho li oele ka har'a lisebelisoa, sesebelisoa se pepesehetse pula kapa mongobo, ha se sebetse ka mokhoa o tloaelehileng. , kapa e lahliloe.

3. Se ka Lebokoseng

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

• JBL Professional JRX218S 18-Inch Passive Subwoofer
• Bukana ea mosebelisi (tokomane ena)

Haeba thepa leha e le efe e sieo kapa e senyehile, ka kopo ikopanye le morekisi oa hau hang-hang.

4. Tataiso ea ho seta

4.1 Ho bea

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 Lihokelo

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 Ho Hloma Palo

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. Litaelo tsa Ts'ebetso

5.1 Tšebeliso ea Matla

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 Khokahano ea Tsamaiso

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. Tlhokomelo

6.1 Ho hloekisa

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. Ho rarolla mathata

8. Lintlha tsa Setegeniki

Figure 4: Dimensions of the JRX218S subwoofer.

9. Tiisetso le Tšehetso

9.1 Boitsebiso ba Tiisetso

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 websebaka sa marang-rang bakeng sa melao le maemo a qaqileng. Boloka bopaki ba theko ea hau bakeng sa likopo tsa waranti.

9.2 Tšehetso ea Bareki

For technical assistance, service, or further inquiries, please contact JBL Professional customer support. Contact details can typically be found on the official JBL websetsheng kapa sephuthelong sa sehlahiswa.