1. Inleiding
This manual provides comprehensive instructions for the safe and efficient operation of your Ahuja SSA250M PA Mixer Amplifier. Please read this manual thoroughly before use and retain it for future reference.
The Ahuja SSA250M is a high-wattage Public Address (PA) mixer amplifier designed for various sound reinforcement applications. It features multiple input options, robust power output, and essential protection mechanisms.
2. Belangrike veiligheidsinstruksies
To prevent fire, electric shock, or product damage, always follow these basic precautions:
- Lees alle instruksies.
- Moenie hierdie toestel naby water gebruik nie.
- Maak slegs skoon met 'n droë lap.
- Moenie enige ventilasie-openinge blokkeer nie. Installeer volgens die vervaardiger se instruksies.
- Moenie naby enige hittebronne soos verkoelers, hitteregisters, stowe of ander toerusting (insluitend ampversterkers) wat hitte produseer.
- Moenie die veiligheidsdoel van die gepolariseerde of aardingstipe prop verslaan nie.
- Beskerm die kragkoord teen geloop of vasgeknyp, veral by proppe, geriefshouers en die punt waar dit uit die apparaat kom.
- Gebruik slegs aanhegsels/bykomstighede gespesifiseer deur die vervaardiger.
- Ontkoppel hierdie apparaat tydens weerligstorms of wanneer dit vir lang tye ongebruik word.
- Verwys alle diens na gekwalifiseerde dienspersoneel. Versorging word vereis wanneer die apparaat op enige manier beskadig is, soos kragtoevoerkoord of prop beskadig is, vloeistof gemors is of voorwerpe in die apparaat geval het, die apparaat aan reën of vog blootgestel is, nie normaal werk nie. , of laat vaar is.
3. Produk verbyview
Kenmerke
- 6 Microphone (Mic) Inputs and 2 Auxiliary (Aux) Inputs for versatile connectivity.
- Preamplifier Output and Line Output for connecting to a booster amplifier or for recording.
- Line Input for connecting external mixers or using the SSA250M as a booster power amplewendiger.
- Resettable circuit breaker provides protection against overload and short circuit conditions.
- Instant transfer to DC power (car battery) in case of AC power failure.
- Frequency Response: 50-15,000Hz ±3dB.
Kontroles en aanwysers (voorpaneel)
Beeld: Nabyskoot view of the Ahuja SSA250M amplifier's front panel, showing individual microphone and auxiliary input level controls, master volume, bass and treble tone controls, output level indicators, and power/overload indicators.
- MIC 1-6 Inputs: 6 individual microphone input jacks.
- MIC/AUX Level Controls: Rotary knobs to adjust the input level for each microphone and auxiliary channel.
- MASTER Volume: Beheer die algehele uitsetvolume van die amplewendiger.
- BASS/TREBLE-kontroles: Adjusts the low and high frequency response of the audio output.
- OUTPUT LEVEL Indicators: LED bar graph displaying the output signal level.
- KRAG aanwyser: Verlig wanneer die ampverligter is aangeskakel.
- OORBELADING-aanwyser: Illuminates to indicate an overload condition.
- RESET-knoppie: Used to reset the circuit breaker after an overload.
- Krag skakelaar: Draai die amplewendiger aan of af.
Connections (Rear Panel)
Image: Rear panel of the Ahuja SSA250M amplifier, showing AC power input, DC power terminals, speaker output terminals, line input, line output, and preamplifier output connections.
- Wisselstroominset: Connects to the main AC power supply.
- GS-kraginvoer: Terminals for connecting a 24V DC power source, such as a car battery.
- Luidspreker-uitvoerterminale: Connections for various speaker impedances (COM, 4Ω, 8Ω, 70V, 100V).
- LYN IN: Input for connecting external audio sources or another amplewendiger.
- LYNSTAAN: Output for connecting to another power amplewendiger.
- PREAMP UIT: Output for connecting to a booster amplewendiger of opname toestel.
4. Opstelgids
Uitpak
Verwyder die amplifier from its packaging. Inspect for any signs of damage. Retain the packaging for future transport or storage.
Plasing
Plaas die amplifier on a stable, flat surface. Ensure adequate ventilation around the unit to prevent overheating. Do not cover ventilation openings.
Kragverbinding
AC krag
Connect the supplied AC power cord to the AC Power Input on the rear panel and then to a suitable wall outlet (240V AC).
DC Power (Battery)
For DC operation, connect a 24V DC car battery to the DC Power Input terminals on the rear panel, observing correct polarity (+ to + and - to -). The amplifier will automatically switch to DC power if AC power fails.
Koppel luidsprekers
Connect your speakers to the appropriate Speaker Output Terminals on the rear panel. Ensure the speaker impedance matches the amplifier's output impedance (e.g., 4Ω, 8Ω) or use the 70V/100V constant voltage outputs for compatible PA speaker systems.
Koppel invoertoestelle
Mikrofone
Connect microphones to the MIC 1-6 input jacks on the front panel.
Hulpapparate
Connect auxiliary audio sources (e.g., CD player, media player) to the AUX inputs.
External Mixer / Booster Amplewendiger
Use the LINE IN for connecting an external mixer. Use the PREAMP OUT or LINE OUT to connect to a booster ampverligter of opname-toerusting.
5. Bedryf jou Amplewendiger
Skakel aan
Ensure all connections are secure and input levels are set to minimum. Press the POWER switch on the front panel to turn on the amplifier. The POWER indicator will illuminate.
Aanpassing van invoervlakke
Gradually increase the individual MIC/AUX Level Controls for the active input channels until the desired volume is achieved. Monitor the OUTPUT LEVEL indicators to avoid clipping.
Meester volume beheer
Use the MASTER Volume control to adjust the overall output volume of the amplewendiger.
Toonaanpassing
Adjust the BASS and TREBLE controls to fine-tune the audio's low and high frequencies according to your preference or acoustic environment.
Skakel uit
Before powering off, reduce the MASTER Volume to minimum. Then, press the POWER switch to turn off the amplewendiger.
6. Onderhoud
Skoonmaak
Maak die gereeld skoon amplifier's exterior with a soft, dry cloth. Do not use liquid cleaners or solvents. Ensure ventilation openings are free from dust and debris.
Berging
As die stoor van die amplifier for an extended period, disconnect all cables, pack it in its original packaging (if available), and store it in a cool, dry place away from direct sunlight and extreme temperatures.
7. Probleemoplossing
| Probleem | Moontlike oorsaak | Oplossing |
|---|---|---|
| Geen krag nie | Power cord disconnected; AC outlet faulty; DC battery discharged; Circuit breaker tripped. | Check power cord connection; Test AC outlet; Recharge/replace DC battery; Press the RESET button. |
| Geen klankuitset nie | Speaker connections loose/incorrect; Input device not connected; Input/Master volume too low; Mute engaged (if applicable). | Verify speaker wiring; Check input device connection; Increase volume controls; Ensure no mute function is active. |
| Verwronge klank | Input level too high (clipping); Speaker impedance mismatch; Faulty speaker/cable. | Reduce input levels; Check speaker impedance compatibility; Test with different speakers/cables. |
| OVERLOAD indicator on | Excessive output load; Short circuit in speaker wiring. | Reduce volume; Check speaker connections for short circuits; Press the RESET button. |
8. Tegniese spesifikasies
| Spesifikasie | Detail |
|---|---|
| Handelsmerk | Ahuja |
| Model | SSA250M |
| Uitset krag | 600 Watts (Peak/Max) |
| Aantal kanale | 8 (6 Mic, 2 Aux) |
| Frekwensierespons | 50-15,000Hz ±3dB |
| Voltage | 240 Volt WS, 24 Volt GS |
| Afmetings (L x B x H) | 52.2 x 43.6 x 21.2 sentimeter |
| Item gewig | 16 kg |
| Konstruksie materiaal | Durable Metal Chassis |
| Montage tipe | Oppervlakmontering |
| Ingesluit komponente | 1 Electronic Component Amplewendiger |
| UPC | 689274295178 |
9. Waarborg en Ondersteuning
For warranty information and technical support, please contact Ahuja customer service or an authorized service center. Details can typically be found on the manufacturer's official website or included warranty card.
Manufacturer: AHUJA RADIOS, 215, Okhla Industrial Estate, New Delhi-110 020, India.