JBL Professional JRX218S 18-Inch Passive Subwoofer Instruction Manual

1. Bubuka

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.

Gambar 1: Hareupeun view of the JBL Professional JRX218S 18-Inch Passive Subwoofer.

2. Émbaran Kasalametan penting

• Baca pituduh: Tetep parentah ieu pikeun rujukan ka hareup.
• Perhatoskeun Perhatosan: Turutan sagala warnings on produk jeung dina parentah operasi.
• Cai sareng Uap: Entong nganggo alat ieu caket cai.
• beberesih: Ngabersihan ngan ku kaén garing.
• Ventilasi: Ulah meungpeuk sagala bukaan ventilasi. Pasang saluyu sareng parentah produsén.
• Panas: Entong dipasang di deukeut sumber panas sapertos radiator, register panas, kompor, atanapi aparat sanésna (kalebet ampLiifiers) anu ngahasilkeun panas.
• Perlindungan Kabel-kabel: Nangtayungan kabel listrik tina leumpang atawa diciwit, utamana dina colokan, wadah merenah, jeung titik dimana aranjeunna kaluar tina aparat.
• Asesoris: Paké ngan kantétan / asesoris dieusian ku produsén.
• Pamasangan: Anggo ngan sareng karanjang, stand, tripod, bracket, atanapi méja anu ditunjuk ku produsén, atanapi dijual sareng alatna. Nalika karanjang dipaké, ati-ati nalika ngagerakkeun kombinasi karanjang/aparatur pikeun nyegah tatu tina tip-over.
• Palayanan: Rujuk sadayana jasa ka tanaga jasa anu mumpuni. Diperlukeun ngalayanan nalika aparatur ruksak ku cara naon waé, sapertos kabel catu daya atanapi colokan rusak, cairan tumpah atanapi barang murag kana aparatur, aparatur parantos kakeunaan hujan atanapi lembab, henteu beroperasi normal. , atawa geus turun.

3. Naon dina Box

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

• JBL Professional JRX218S 18-Inch Passive Subwoofer
• Manual pangguna (dokumén ieu)

Lamun aya item nu leungit atawa ruksak, mangga ngahubungan dealer Anjeun langsung.

4. Setup Guide

4.1 Nempatkeun

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 Sambungan

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 Pamasangan kutub

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. Parentah Operasi

5.1 Penanganan kakuatan

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 Pamaduan Sistim

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. Pangropéa

6.1 beberesih

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. Cara ngungkulan

8. Spésifikasi Téknis

Figure 4: Dimensions of the JRX218S subwoofer.

9. Garansi jeung Rojongan

9.1 Émbaran jaminan

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 websitus kanggo syarat sareng katangtuan anu lengkep. Simpen bukti pameseran anjeun kanggo klaim garansi.

9.2 Rojongan Palanggan

For technical assistance, service, or further inquiries, please contact JBL Professional customer support. Contact details can typically be found on the official JBL websitus atanapi dina bungkusan produk.