1. పరిచయం
This manual provides essential information for the proper setup, operation, and maintenance of your JBL Professional SRX828S Passive Dual 18-Inch Subwoofer System. The SRX828S is engineered for professional audio applications, delivering powerful low-frequency reinforcement. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
2. ఉత్పత్తి ముగిసిందిview మరియు ఫీచర్లు
The JBL SRX828S is a high-performance passive subwoofer system designed for demanding live sound and installed applications. It features dual 18-inch drivers within a robust enclosure.
ముఖ్య లక్షణాలు:
- అధిక అవుట్పుట్: Capable of 141 dB maximum SPL output.
- విస్తరించిన ఫ్రీక్వెన్సీ పరిధి: Operates within a 30-150 Hz frequency range, with a frequency response of 47-120 Hz.
- పవర్ హ్యాండ్లింగ్: Rated for 1200W continuous, 2400W program, and 4800W peak power.
- మన్నికైన నిర్మాణం: Features 18mm wooden enclosures, 14 gauge steel grilles, and JBL’s Patented DuraFlex finish for enhanced durability.
- ఎర్గోనామిక్ డిజైన్: Equipped with ergonomically designed handles for ease of transport.
- ఫ్లెక్సిబుల్ మౌంటు: Includes M10 suspension points, indexed feet, and pole/tripod mounts to support various configurations.
- Differential Drive Technology: Incorporates lower mass ferrite magnets for reduced weight, increased power handling, low distortion, and extended low-frequency response.

This image displays the JBL SRX828S dual 18-inch passive subwoofer system from a front-side perspective, highlighting its robust grille and overall cabinet design.

ఒక ప్రత్యక్ష ముందు భాగం view of the JBL SRX828S subwoofer, showcasing the protective grille and the JBL logo centered at the bottom.

This image shows the JBL SRX828S subwoofer with its front grille removed, exposing the two 18-inch low-frequency drivers and internal bracing.

A close-up image of an 18-inch woofer, part of JBL's Differential Drive Technology, highlighting its cone and voice coil assembly.
3. సెటప్
3.1 ప్లేస్మెంట్
Proper placement of the SRX828S subwoofer is crucial for optimal low-frequency response. Consider the acoustics of the venue and the desired sound coverage. Subwoofers are often placed on the floor, either centrally or in arrays, to maximize bass impact and even distribution.
3.2 కనెక్షన్లు
The SRX828S is a passive subwoofer and requires an external power amplifier. Connect the subwoofer to a suitable amplifier output using high-quality speaker cables with appropriate connectors (e.g., Speakon or 1/4-inch TS). Ensure the amplifier's power output matches the subwoofer's power handling capabilities to prevent damage.

The rear panel of the JBL SRX828S subwoofer is shown, featuring the input connectors and model identification plate.
3.3 సిస్టమ్ ఇంటిగ్రేషన్
For a complete sound system, the SRX828S can be paired with other JBL SRX800 series speakers, such as the SRX812, SRX825, or SRX835. Utilize an external crossover or a DSP (Digital Signal Processor) to properly manage frequency distribution between the subwoofer and full-range speakers, ensuring a balanced and coherent sound.

This image illustrates a potential professional audio system setup, featuring various JBL SRX800 series speakers and subwoofers arranged for sound reinforcement.
4. ఆపరేషన్
4.1 వ్యవస్థను శక్తివంతం చేయడం
As a passive subwoofer, the SRX828S does not have its own power switch. Power is supplied by the external ampప్రాణాలను బలిగొంటాడు. నిర్ధారించండి amplifier is turned on after all connections are made and turned off before disconnecting any cables.
4.2 Level Setting
Adjust the output level of the amplifier and any associated processing (e.g., DSP, mixer) to achieve the desired bass response without clipping or distortion. Monitor the amplifier's clip indicators and the overall sound quality to prevent damage to the subwoofer.
5. నిర్వహణ
5.1 శుభ్రపరచడం
Regularly clean the exterior of the subwoofer with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the DuraFlex finish or grille. Ensure no dust or debris accumulates in the grille openings.
5.2 తనిఖీ
Periodically inspect all cables and connectors for signs of wear or damage. Ensure all mounting hardware (if used) is secure. Check the cabinet for any physical damage that could affect performance or structural integrity.
5.3 నిల్వ
When not in use, store the subwoofer in a dry environment, away from extreme temperatures and direct sunlight. Using protective covers can help prevent dust accumulation and minor physical damage.

ఒక వివరణాత్మక view of one of the ergonomically designed handles on the side of the JBL SRX828S subwoofer, indicating its robust construction for portability.
6. స్పెసిఫికేషన్లు
| ఫీచర్ | స్పెసిఫికేషన్ |
|---|---|
| బ్రాండ్ | JBL |
| మోడల్ | SRX828S |
| స్పీకర్ రకం | Passive, Non-Powered Subwoofer System |
| డ్రైవర్ కాన్ఫిగరేషన్ | Dual 18-Inch |
| గరిష్ట SPL అవుట్పుట్ | 141 డిబి |
| ఫ్రీక్వెన్సీ పరిధి (-10 dB) | 30-150 Hz |
| ఫ్రీక్వెన్సీ రెస్పాన్స్ (± 3 dB) | 47-120 Hz |
| Power Rating (Continuous) | 1200W |
| Power Rating (Program) | 2400W |
| పవర్ రేటింగ్ (పీక్) | 4800W |
| ఎన్క్లోజర్ మెటీరియల్ | 18mm Wooden Enclosures |
| గ్రిల్ మెటీరియల్ | 14 గేజ్ స్టీల్ |
| ముగించు | JBL Patented DuraFlex |
| కనెక్టివిటీ టెక్నాలజీ | వైర్డు |
| ఆడియో అవుట్పుట్ మోడ్ | మోనో |

A diagram showing the physical dimensions of the JBL SRX828S subwoofer, including its height, width, and depth in inches.





