JBL Professional JRX218S 18-Inch Passive Subwoofer Instruction Manual

1. Kirish

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-rasm: Old view of the JBL Professional JRX218S 18-Inch Passive Subwoofer.

2. Xavfsizlik bo'yicha muhim ma'lumotlar

• Ko'rsatmalarni o'qing: Kelajakda foydalanish uchun ushbu ko'rsatmalarni saqlang.
• Ogohlantirishlarga e'tibor bering: Mahsulot va foydalanish ko'rsatmalaridagi barcha ogohlantirishlarga amal qiling.
• Suv va namlik: Ushbu qurilmani suv yaqinida ishlatmang.
• Tozalash: Faqat quruq mato bilan tozalang.
• Ventilyatsiya: Hech qanday shamollatish teshiklarini to'sib qo'ymang. Ishlab chiqaruvchining ko'rsatmalariga muvofiq o'rnating.
• Issiqlik: Radiatorlar, issiqlik moslamalari, pechkalar yoki boshqa qurilmalar (shu jumladan,) kabi issiqlik manbalari yaqiniga o'rnatmang. ampissiqlik hosil qiluvchi ko'targichlar).
• Elektr kabelidan himoya: Elektr shnurini, ayniqsa, vilkalar, rozetkalar va ular qurilmadan chiqadigan joyda yurish yoki qisib qo'yishdan saqlang.
• Aksessuarlar: Faqat ishlab chiqaruvchi tomonidan belgilangan qo'shimchalar/aksessuarlar foydalaning.
• O'rnatish: Faqat ishlab chiqaruvchi tomonidan belgilangan arava, stend, shtat, qavs yoki stol bilan foydalaning yoki apparat bilan birga sotiladi. Aravadan foydalanilganda, ag'darilganda shikastlanmaslik uchun arava/apparat birikmasini harakatlantirganda ehtiyot bo'ling.
• Xizmat ko'rsatish: Barcha xizmat ko'rsatishni malakali xizmat ko'rsatish xodimlariga topshiring. Agar qurilma biron bir tarzda shikastlangan bo'lsa, masalan, quvvat manbai shnuri yoki vilkasi shikastlanganda, suyuqlik to'kilgan yoki qurilma ichiga narsalar tushganda, qurilma yomg'ir yoki namlikda bo'lsa, normal ishlamasa, texnik xizmat ko'rsatish talab qilinadi. , yoki tushirilgan.

3. Qutida nima bor

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

• JBL Professional JRX218S 18-Inch Passive Subwoofer
• Foydalanuvchi uchun qo'llanma (ushbu hujjat)

Agar biron bir narsa etishmayotgan yoki shikastlangan bo'lsa, darhol dileringizga murojaat qiling.

4. O'rnatish bo'yicha qo'llanma

4.1 Joylashtirish

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 Ulanishlar

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 Ustunni o'rnatish

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. Foydalanish bo'yicha ko'rsatmalar

5.1 Quvvat bilan ishlash

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 Tizim integratsiyasi

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. Xizmat ko'rsatish

6.1 Tozalash

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. Muammolarni bartaraf qilish; nosozliklarni TUZATISH

8. Texnik spetsifikatsiyalar

Figure 4: Dimensions of the JRX218S subwoofer.

9. Kafolat va qo'llab-quvvatlash

9.1 Kafolat haqida ma'lumot

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 webbatafsil shartlar va shartlar uchun sayt. Kafolat da'volari uchun xaridingizni tasdiqlovchi hujjatingizni saqlang.

9.2 Mijozlarni qo‘llab-quvvatlash

For technical assistance, service, or further inquiries, please contact JBL Professional customer support. Contact details can typically be found on the official JBL websayt yoki mahsulot o'ramida.