1. ఉత్పత్తి ముగిసిందిview
The JBL Professional JRX225 is a portable, passive 2-way sound reinforcement loudspeaker system designed for professional audio applications. It features dual 15-inch low-frequency drivers and a 1-inch polymer diaphragm compression driver, delivering a nominal power of 500 W and a peak power of 2000 W. This system is engineered for durability and high-quality sound output across various environments.
మూర్తి 1: ముందు view of the JBL Professional JRX225 loudspeaker, showcasing its dual 15-inch woofers and high-frequency driver behind a protective grille.
Key features include a 2.5-inch diameter edge-wound ribbon voice coil for enhanced efficiency and power handling, and SonicGuard™ technology to protect the high-frequency driver from excessive power. The advanced crossover network ensures seamless frequency response and high power handling. The enclosure is constructed from durable .75-inch MDF with an 18-gauge perforated steel grille for component protection. Ergonomic, non-resonant steel handles facilitate transport.
చిత్రం 2: కోణీయ ముందు భాగం view of the JBL Professional JRX225, highlighting its robust construction and grille design.
2. సెటప్ మరియు కనెక్షన్
2.1 అన్ప్యాకింగ్
Carefully remove the JRX225 loudspeaker from its packaging. Inspect the unit for any signs of damage that may have occurred during shipping. Retain the original packaging for future transport or storage.
2.2 ప్లేస్మెంట్
The JRX225 can be placed directly on a stable surface or utilized with its dual-angle pole-mount socket. This socket allows for a 10° tilt, optimizing audience coverage and sound distribution. Ensure the speaker is placed on a flat, stable surface to prevent tipping. For optimal sound, position speakers to cover the intended listening area without obstructions.
2.3 కనెక్షన్లు
As a passive loudspeaker, the JRX225 requires an external ampలైఫైయర్. స్పీకర్ను తగిన పవర్కు కనెక్ట్ చేయండి. amplifier using high-quality speaker cables. The JRX225 features Neutrik Speakon NL-4 (x1) and 1/4" TS phone jack (x1) parallel connectors. Ensure proper polarity (+ to + and - to -) when making connections to avoid phase issues.
- Speakon NL-4: Recommended for secure and high-power connections.
- 1/4" TS Phone Jack: Suitable for standard connections.
సిఫార్సు చేయబడింది amplifier power is 250 W to 500 W into 8 ohms. Using an amplifier outside this range may result in suboptimal performance or damage.
చిత్రం 3: వెనుక view of the JBL Professional JRX225, displaying the Neutrik Speakon NL-4 and 1/4" TS phone jack input connectors.
3. ఆపరేషన్
3.1 పవర్ చేయడం ఆన్/ఆఫ్
Since the JRX225 is a passive speaker, its power is supplied by the connected ampలైఫైయర్. ఎల్లప్పుడూ మీ amplifier is turned off before connecting or disconnecting speakers. Turn on your amplifier after all connections are secure, and turn it off before disconnecting.
3.2 వాల్యూమ్ నియంత్రణ
Adjust the volume through your amplifier or mixing console. Start with low volume levels and gradually increase to the desired output. Avoid operating the system at excessively high volumes for extended periods to prevent potential damage to the speakers or hearing impairment.
3.3 Sound Optimization
For optimal sound quality, consider using an external equalizer or crossover with your amplifier. This allows for fine-tuning of frequency response to suit the acoustic environment and musical content. The JRX225's Progressive Transition™ waveguide ensures superior coverage and reduced distortion, but further optimization can enhance performance.
4. నిర్వహణ
4.1 శుభ్రపరచడం
Clean the exterior of the loudspeaker with a soft, dry cloth. Do not use abrasive cleaners, solvents, or excessive moisture, as these can damage the finish or internal components. Periodically check the grille for dust or debris and gently remove it.
4.2 నిల్వ
When not in use, store the JRX225 in a cool, dry environment, away from direct sunlight and extreme temperatures. If transporting, use appropriate covers or cases to protect the enclosure and grille from physical damage.
4.3 రక్షణ
The JRX225 incorporates SonicGuard™ technology to protect the high-frequency driver. However, continuous operation at clipping levels or with an underpowered/overpowered amplifier can still cause damage. Always monitor your amplifier's output and avoid prolonged signal clipping.
5. ట్రబుల్షూటింగ్
| సమస్య | సాధ్యమైన కారణం | పరిష్కారం |
|---|---|---|
| సౌండ్ అవుట్పుట్ లేదు |
|
|
| వక్రీకరించిన ధ్వని |
|
|
| తక్కువ వాల్యూమ్ అవుట్పుట్ |
|
|
6. సాంకేతిక లక్షణాలు
| ఫీచర్ | వివరాలు |
|---|---|
| మోడల్ పేరు | JRX225 |
| స్పీకర్ రకం | Passive 2-Way |
| వూఫర్ వ్యాసం | డ్యూయల్ 15 అంగుళాలు |
| ట్వీటర్ వ్యాసం | 1 అంగుళాలు |
| Power Rating (Nominal/Peak) | 500 W / 2000 W |
| సిఫార్సు చేయబడింది Ampజీవిత శక్తి | 250 W to 500 W into 8 ohms |
| ఇంపెడెన్స్ | ౪౦ ఓం |
| ఫ్రీక్వెన్సీ రేంజ్ (-10 డిబి) | 42 హెర్ట్జ్ - 18 కిలోహెర్ట్జ్ |
| ఫ్రీక్వెన్సీ రెస్పాన్స్ (± 3 dB) | 62 హెర్ట్జ్ - 13 కిలోహెర్ట్జ్ |
| Sensitivity (@1m) | 100 dB SPL (1w/1m) |
| గరిష్ట SPL (1మీ) | 133 డిబి |
| కనెక్టివిటీ టెక్నాలజీ | Neutrik Speakon NL-4 (x1); ¼" TS phone jack (x1); parallel |
| మౌంటు రకం | Tripod, Freestanding (Dual-angle pole-mount socket) |
| ఉత్పత్తి కొలతలు (D x W x H) | 16.8"డి x 18.3"వా x 43"హ |
| వస్తువు బరువు | 94 పౌండ్లు |
| మెటీరియల్ | MDF enclosure, Alloy Steel grille |
| రంగు | నలుపు |
Figure 4: Dimensional diagram of the JBL Professional JRX225 loudspeaker, indicating its height, width, and depth.
7. వారంటీ మరియు మద్దతు
7.1 వారంటీ సమాచారం
The JBL Professional JRX225 loudspeaker system comes with a limited warranty. Please refer to the warranty card included with your product or visit the official JBL Professional webకవరేజ్, వ్యవధి మరియు సేవా విధానాలకు సంబంధించిన వివరణాత్మక నిబంధనలు మరియు షరతుల కోసం సైట్.
7.2 కస్టమర్ మద్దతు
For technical assistance, troubleshooting beyond this manual, or service inquiries, please contact JBL Professional customer support. Contact information can typically be found on the official JBL website or in your product documentation. When contacting support, please have your product model number (JRX225) and serial number available.
