1. Introduzione
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. Importanti Instructions Safety
To prevent fire, electric shock, or product damage, always follow these basic precautions:
- Leghjite tutte e struzzioni.
- Ùn aduprate micca stu apparatu vicinu à l'acqua.
- Pulite solu cù un pannu seccu.
- Ùn bluccate micca alcuna apertura di ventilazione. Installate secondu l'istruzzioni di u fabricatore.
- Ùn installate micca vicinu à fonti di calore cum'è radiatori, registri di calore, stufe, o altri apparecchi (cumpresu amplifiers) chì producenu calore.
- Ùn scunfighja micca u scopu di sicurità di u plug polarizatu o di terra.
- Prutegge u cordone di alimentazione da esse camminatu o pinzatu, in particulare in i tappi, i recipienti di cunvenzione, è u puntu induve esce da l'apparechju.
- Aduprate solu accessori / accessori specificati da u fabricatore.
- Scollegate stu apparatu durante e tempeste di fulmini o quandu ùn hè micca utilizatu per longu periodi di tempu.
- Riferite tutte l'assistenza à u persunale di serviziu qualificatu. U serviziu hè necessariu quandu l'apparechju hè statu danatu in ogni modu, cum'è u cordone di l'alimentazione o u plug hè dannatu, u liquidu hè statu versatu o l'uggetti sò caduti in l'apparechju, l'apparechju hè statu espostu à a pioggia o l'umidità, ùn funziona micca nurmale. , o hè stata abbandunata.
3. Produttu Finituview
Features
- 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 amppiù vivu.
- 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.
Controls and Indicators (Front Panel)
Imagine: Primu pianu 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.
- Volume MASTER: Cuntrolla u voluminu di output generale di u amppiù vivu.
- BASS/TREBLE Controls: Adjusts the low and high frequency response of the audio output.
- OUTPUT LEVEL Indicators: LED bar graph displaying the output signal level.
- Indicatore POWER: S'illumina quandu u amplifier hè alimentatu.
- Indicatore OVERLOAD: Illuminates to indicate an overload condition.
- Pulsante RESET: Used to reset the circuit breaker after an overload.
- Interruttore POWER: Gira u amppiù vivu nantu o fora.
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.
- Input AC Power: Si cunnetta à a rete elettrica principale.
- Input d'alimentazione DC: Terminals for connecting a 24V DC power source, such as a car battery.
- Terminali di uscita di l'altoparlanti: Connections for various speaker impedances (COM, 4Ω, 8Ω, 70V, 100V).
- LINEA IN: Input for connecting external audio sources or another amppiù vivu.
- LINE OUT: Output for connecting to another power amppiù vivu.
- PREAMP OUT: Output for connecting to a booster ampdispositivu più vivu o di registrazione.
4. Setup Guide
Unpacking
Elimina cù cura u amplifier from its packaging. Inspect for any signs of damage. Retain the packaging for future transport or storage.
Placement
Pone u amplifier on a stable, flat surface. Ensure adequate ventilation around the unit to prevent overheating. Do not cover ventilation openings.
Cunnessione di putenza
AC Power
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.
Cunnessione di parlanti
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.
Cunnessu Dispositivi di input
Microfoni
Connect microphones to the MIC 1-6 input jacks on the front panel.
Disposazioni Auxiliari
Connect auxiliary audio sources (e.g., CD player, media player) to the AUX inputs.
External Mixer / Booster Amppiù vivu
Use the LINE IN for connecting an external mixer. Use the PREAMP OUT or LINE OUT to connect to a booster amplificatore o apparecchiu di registrazione.
5. Funziunamentu di u vostru Amppiù vivu
Accensione
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.
Ajuste i Livelli di Ingressu
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.
Cuntrollu Volume Maestru
Use the MASTER Volume control to adjust the overall output volume of the amppiù vivu.
Ajustamentu di u tonu
Adjust the BASS and TREBLE controls to fine-tune the audio's low and high frequencies according to your preference or acoustic environment.
Spegnimentu
Before powering off, reduce the MASTER Volume to minimum. Then, press the POWER switch to turn off the amppiù vivu.
6. Mantenimentu
Pulizia
Pulite regularmente u amplifier's exterior with a soft, dry cloth. Do not use liquid cleaners or solvents. Ensure ventilation openings are free from dust and debris.
Storage
Se guardà u 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. Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| Nisun putere | 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. |
| Nisuna uscita di sonu | 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. |
| Sonu distortu | 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. Specifiche tecniche
| Specificazione | Detail |
|---|---|
| Marca | Ahuja |
| Mudellu | SSA250M |
| Forza di output | 600 Watts (Peak/Max) |
| Numero di canali | 8 (6 Mic, 2 Aux) |
| Risposta di Frequency | 50-15,000 Hz ± 3 dB |
| Voltage | 240 Volt AC, 24 Volt DC |
| Dimensioni (L x W x H) | 52.2 x 43.6 x 21.2 centimetri |
| Pesu di l'articulu | 16 kg |
| Materiale di custruzzione | Durable Metal Chassis |
| Tipu di muntatura | Munti superficia |
| Cumpunenti inclusi | 1 Electronic Component Amppiù vivu |
| UPC | 689274295178 |
9. Garanzia è Support
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.
