1. ஓவர்view
The QSC RMX2450 Stereo Power Amplifier is designed to provide reliable and high-quality audio amplification for professional sound systems. This amplifier features a robust power supply with a high-current toroidal transformer and ample filter capacitance, ensuring consistent performance even with demanding 2-ohm speaker loads. It incorporates a full complementary output circuit with linear output devices for ultra-low distortion and a flat frequency response. The RMX2450 is equipped with professional features such as independent defeatable clip limiters, selectable low-frequency filters, and versatile input/output connectivity options including barrier strip, XLR, 1/4-inch balanced inputs, and Speakon and binding post outputs. Efficient cooling is maintained by low-noise variable speed fans with rear-to-front airflow.
2. பாதுகாப்பு தகவல்
Before operating the QSC RMX2450 amplifier, please read and understand all safety instructions. Retain this manual for future reference.
- மின் அதிர்ச்சி ஆபத்து: திறக்க வேண்டாம் amplifier chassis. Refer all servicing to qualified personnel.
- சக்தி ஆதாரம்: Connect the unit only to a power supply of the type specified in this manual and on the unit.
- காற்றோட்டம்: Ensure proper ventilation. Do not block ventilation openings. Maintain adequate clearance around the amplifier for airflow.
- ஈரப்பதம்: மழை அல்லது ஈரப்பதத்திற்கு அலகை வெளிப்படுத்த வேண்டாம். திரவங்களால் நிரப்பப்பட்ட பொருட்களை அலகின் மீது வைக்க வேண்டாம்.
- அடிப்படை: Always connect the power cord to a mains socket outlet with a protective earthing connection.
- சுத்தம்: Disconnect the power cord before cleaning. Use a dry cloth only.
3 அமைவு
3.1. பேக்கிங் மற்றும் ஆய்வு
கவனமாக அகற்றவும் amplifier from its packaging. Inspect the unit for any signs of damage that may have occurred during transit. If damage is found, contact your dealer immediately.
3.2. Rack Mounting and Placement
The RMX2450 is designed for standard 19-inch equipment rack mounting. Secure the amplifier using all four mounting points to ensure stability. Ensure that the rack provides adequate ventilation, allowing for rear-to-front airflow. Avoid placing the amplifier near heat sources or in enclosed spaces without proper air circulation.
3.3. முன்பக்க பேனல் கட்டுப்பாடுகள் மற்றும் குறிகாட்டிகள்
This image displays the front panel of the QSC RMX2450 amplifier. Visible features include the main power switch, individual gain controls for Channel 1 and Channel 2, and LED indicators for signal presence and clipping.
- மின்விசை மாற்றும் குமிழ்: மாற்றுகிறது ampலிஃபையரின் முக்கிய சக்தியை இயக்குதல் அல்லது முடக்குதல்.
- பவர் LED: Illuminates green when the ampலைஃபையர் இயக்கப்படுகிறது.
- Gain Controls (Channel 1 & 2): Rotary controls to adjust the input sensitivity for each channel.
- Signal LEDs (Channel 1 & 2): Green LEDs indicate the presence of an audio signal.
- Clip LEDs (Channel 1 & 2): Red LEDs illuminate when the output signal is clipping, indicating potential distortion.
3.4. Rear Panel Connections and Switches
This image shows the rear panel of the QSC RMX2450 amplifier. It highlights the XLR and 1/4-inch input connectors, Speakon and binding post output connectors, a circuit breaker, and various mode switches for configuration, including clip limiting, low-frequency filters, and bridge mono operation.
- Input Connectors (Channel 1 & 2): Balanced XLR and 1/4-inch TRS connectors for audio input. Barrier strip inputs are also available.
- Output Connectors (Channel 1 & 2): Speakon and binding post connectors for connecting loudspeakers.
- பயன்முறை சுவிட்சுகள்: DIP switches for configuring various amplifier functions:
- Clip Limiter: Engages or disengages the clip limiting function for each channel.
- Low-Frequency Filters: Selectable filters (e.g., 30 Hz, 50 Hz) to protect speakers and optimize low-end response.
- Stereo/Parallel/Bridge Mono: கட்டமைக்கிறது amplifier's operating mode.
- சுற்று பிரிப்பான்: Provides overload protection for the ampஆயுள்.
- ஏசி பவர் இன்லெட்: Standard IEC connector for the detachable power cord.
4. ஆபரேஷன்
4.1. ஆன் மற்றும் ஆஃப்
- Ensure all connections are secure and gain controls are set to minimum.
- Flip the front panel power switch to the 'ON' position. The Power LED will illuminate green.
- To power off, turn down all gain controls, then flip the power switch to 'OFF'.
4.2. உள்ளீடு மற்றும் வெளியீட்டு இணைப்புகள்
Connect your audio source (mixer, preamplifier) to the input connectors (XLR, 1/4-inch, or barrier strip) on the rear panel. Connect your loudspeakers to the output connectors (Speakon or binding posts). Ensure correct polarity for all connections.
4.3. Setting Gain Levels
With the audio source playing at a normal operating level, slowly increase the amplifier's gain controls until the desired volume is achieved. Monitor the Signal and Clip LEDs. The Signal LED should flicker with audio presence, and the Clip LED should only flash momentarily on signal peaks. If the Clip LED stays illuminated, reduce the gain to prevent distortion and potential speaker damage.
4.4. Using Clip Limiters
The RMX2450 features independent defeatable clip limiters. When engaged via the rear panel DIP switches, these limiters reduce peak distortion without sacrificing dynamic range. It is generally recommended to keep clip limiters engaged to protect speakers from excessive clipping.
4.5. Configuring Low-Frequency Filters
The rear panel DIP switches allow selection of low-frequency filters (e.g., 30 Hz, 50 Hz). These filters help protect speakers from damaging sub-sonic frequencies and improve low-end tightness. Select the appropriate filter setting based on your loudspeaker's frequency response capabilities.
4.6. Bridge Mono Mode
For maximum power output into a single load, the RMX2450 can operate in Bridge Mono mode. Refer to the rear panel diagram and DIP switch settings for proper configuration. In this mode, only Channel 1 input is used, and the output is taken from specific binding posts or Speakon pins as indicated on the amplifier. Ensure the connected speaker impedance is suitable for bridge mono operation (typically 8 ohms).
5. பராமரிப்பு
5.1. சுத்தம் செய்தல்
வெளிப்புறத்தை அவ்வப்போது சுத்தம் செய்யவும். amplifier with a soft, dry cloth. Do not use liquid cleaners or solvents. Ensure ventilation grilles are free from dust and debris to maintain proper airflow.
5.2. காற்றோட்டம்
Regularly check that the amplifier's ventilation openings are not obstructed. Proper airflow is crucial for preventing overheating and ensuring long-term reliability. If the amplifier is rack-mounted, ensure adequate space is provided around the unit.
6. சரிசெய்தல்
If you experience issues with your QSC RMX2450 amplifier, consult the following table for common problems and solutions.
| பிரச்சனை | சாத்தியமான காரணம் | தீர்வு |
|---|---|---|
| பவர் இல்லை / பவர் LED ஆஃப் | Power cord disconnected, circuit breaker tripped, faulty power outlet. | Check power cord connection. Reset rear panel circuit breaker. Test power outlet with another device. |
| ஒலி வெளியீடு இல்லை | Input signal missing, gain controls at minimum, speaker cables disconnected, incorrect mode setting. | Verify input signal source. Increase gain controls. Check speaker cable connections. Ensure correct Stereo/Parallel/Bridge Mono mode. |
| Distorted sound / Clip LED constantly on | Input signal too high, amplifier gain too high, speaker impedance too low. | Reduce input signal level from source. Decrease amplifier gain. Ensure speaker impedance matches ampலிஃபையரின் திறன்கள். |
| அதிக வெப்பம் | Blocked ventilation, inadequate airflow. | Ensure all ventilation openings are clear. Provide adequate space around the amplifier for airflow. |
If the problem persists after attempting these solutions, please contact QSC Customer Support.
7. விவரக்குறிப்புகள்
The following are key technical specifications for the QSC RMX2450 Stereo Power Ampஆயுள்:
- வெளியீட்டு சக்தி:
- 8 ஓம்ஸில் (ஸ்டீரியோ) ஒரு சேனலுக்கு 500 வாட்ஸ்
- 4 ஓம்ஸில் (ஸ்டீரியோ) ஒரு சேனலுக்கு 750 வாட்ஸ்
- 2 ஓம்ஸில் (ஸ்டீரியோ) ஒரு சேனலுக்கு 1200 வாட்ஸ்
- 1500 watts @ 8 ohms (bridge mono)
- சேனல்களின் எண்ணிக்கை: 2
- தொகுதிtage: 120 வோல்ட்
- பொருளின் எடை: 44.5 பவுண்டுகள்
- தயாரிப்பு பரிமாணங்கள் (L x W x H): 24 x 22 x 7 அங்குலம்
- மவுண்டிங் வகை: Surface Mount (Rack Mountable)
- இயக்க வெப்பநிலை: 50 Degrees Fahrenheit (recommended ambient)
- விவரக்குறிப்பு சந்தித்தது: FCC
- உற்பத்தியாளர்: QSC
- மாதிரி எண்: QSC RMX2450
- ASIN: B0002BSRM0
- UPC: 684284003720
8. உத்தரவாதம் & ஆதரவு
8.1. உத்தரவாதத் தகவல்
QSC products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official QSC webதளம்.
8.2. வாடிக்கையாளர் ஆதரவு
For technical assistance, service, or further information regarding your QSC RMX2450 Stereo Power Amplifier, please contact QSC Customer Support:
- Webதளம்: www.qsc.com
- தொலைபேசி: Refer to the QSC webபிராந்திய தொடர்பு எண்களுக்கான தளம்.
- மின்னஞ்சல்: Refer to the QSC webஆதரவு மின்னஞ்சல் முகவரிகளுக்கான தளம்.
