1. Introduction
The Lane S-2800 is a high-performance 2-channel professional audio power amplifier, engineered to deliver powerful and lossless sound quality for various applications. Featuring a Class H output circuit, it provides robust power output with high efficiency and low distortion. This manual provides essential information for the safe and effective setup, operation, and maintenance of your S-2800 amplifier.
2. Key Features
- Real-time Monitoring: Equipped with a display screen to show real-time gain and temperature, providing clear status at a glance.
- Optimized Structure: Reasonably optimized design for extremely quiet operation, suitable for high-specification meeting environments.
- Automatic Dust Removal: Initiates a 3-second high-speed fan operation upon startup for dust removal, reducing accumulation on electronic components and preventing short circuit/open circuit damage.
- Low Distortion: Designed for less than 0.5% distortion, ensuring natural and true sound reproduction.
- Comprehensive Protection: Features multiple protection circuits including voltage limit, short circuit, DC, overload, and overheating.
- Silent Cooling: Utilizes silent fans for quiet and low-noise operation, ideal for sensitive audio environments.
- High-Quality Components: Constructed with carefully chosen components such as original imported wire core, high purity copper coil, high quality imported power amplifier tubes, and high-tech SMT.
- Robust Construction: Made with selected high-quality alloy steel, providing a sturdy, stable, and durable metal panel with a metallic finish.
3. Technical Specifications
| Attribute | Specification |
|---|---|
| Model Number | S-2800 |
| Type | Professional Amplifier |
| Channels | 2 (2.0) |
| Output Circuit | CLASS H |
| RMS Power (8Ω) | 800W x 2 |
| RMS Power (4Ω) | 1200W x 2 |
| S/N Ratio | 98DB |
| THD+N | <0.5% |
| Input Impedance | 20KΩ |
| Frequency Response | 35HZ-20KHZ |
| Size (Rack Units) | 2U |
| Cooling System | 2 Fans (Tunnel Radiator, Double Fan) |
| Gift Box Size | 57.5 x 56.2 x 15.3 cm |
| Unit Weight | 24 kg |
| DIY Supplies | Electrical |
| Certification | CE |
| Origin | Mainland China (Guangdong) |
4. Package Contents
Please check the package for the following items:
- 1 x Lane S-2800 Power Amplifier
- 1 x Power Cable (typically included)
- 1 x User Manual (this document)
If any items are missing or damaged, please contact your vendor immediately.
5. Safety Information
To prevent electric shock, fire, or damage to the unit, please read and adhere to the following safety precautions:
- Power Source: Connect the unit only to the type of power supply indicated on the unit.
- Grounding: Ensure the unit is properly grounded to prevent electric shock.
- Ventilation: Do not block ventilation openings. Ensure adequate airflow around the unit to prevent overheating.
- Liquids: Do not expose the unit to rain or moisture. Do not place objects filled with liquids, such as vases, on the unit.
- Foreign Objects: Do not insert any objects into the unit through openings as they may touch dangerous voltage points or short-out parts.
- Servicing: Do not attempt to service this unit yourself. Refer all servicing to qualified service personnel. There are no user-serviceable parts inside.
- Placement: Place the unit on a stable, level surface. Avoid placing it in direct sunlight or near heat sources.
- Cleaning: Disconnect the power cord before cleaning. Use a dry cloth for cleaning.
6. Setup Instructions
6.1 Unpacking
Carefully remove the amplifier from its packaging. Retain all packaging materials for future transport or servicing needs.
6.2 Placement and Ventilation
Position the amplifier in a location that allows for proper air circulation. The unit features a tunnel radiator and a double fan cooling system, so ensure that the front and rear vents are unobstructed. Avoid enclosed spaces or stacking other heat-generating equipment directly on top of the amplifier.
6.3 Connecting Audio Inputs
Connect your audio source (e.g., mixer, preamplifier) to the amplifier's input jacks on the rear panel. The S-2800 uses standard XLR connectors for inputs.
6.4 Connecting Speakers
Connect your speakers to the amplifier's output jacks on the rear panel. The S-2800 uses Speakon connectors for speaker outputs. Ensure that your speakers' impedance matches the amplifier's specifications (e.g., 8Ω or 4Ω per channel) to prevent damage.
6.5 Power Connection
Connect the supplied power cable to the AC IN port on the rear panel of the amplifier, and then plug it into a suitable power outlet. Ensure the power outlet provides the correct voltage as specified on the amplifier.
7. Operating Instructions
7.1 Powering On/Off
After all connections are made, turn on your audio source equipment first, then power on the S-2800 amplifier using the power switch on the front panel. When powering off, turn off the amplifier first, then your audio source.
7.2 Adjusting Gain
Use the gain control knobs on the front panel to adjust the output level of each channel. Start with the gain set to minimum and gradually increase to the desired listening level.
7.3 Monitoring Performance
The front panel display screen provides real-time information on gain levels and internal temperature. Monitor these readings to ensure the amplifier is operating within normal parameters.
7.4 Initial Dust Removal Cycle
Upon powering on, the amplifier will automatically activate its high-speed fans for 3 seconds to perform a dust removal cycle. This is a normal function designed to maintain internal cleanliness.
8. Maintenance
- Cleaning: Regularly wipe the exterior of the amplifier with a soft, dry cloth. Do not use liquid cleaners or solvents.
- Ventilation: Ensure that the amplifier's ventilation openings remain clear of dust and debris. The automatic dust removal feature helps, but occasional visual inspection is recommended.
- Connections: Periodically check all audio and power connections to ensure they are secure and free from corrosion.
- Storage: If storing the amplifier for an extended period, disconnect it from power, clean it, and store it in a dry, cool place, preferably in its original packaging.
9. Troubleshooting
If you encounter issues with your Lane S-2800 amplifier, please consult the following table before contacting support:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable disconnected, power outlet failure, amplifier power switch off | Check power cable connection, test power outlet, ensure power switch is ON. |
| No sound output | Incorrect input/output connections, audio source issue, speaker fault, gain set too low | Verify all audio connections, check audio source, inspect speakers, increase gain. |
| Distorted sound | Input signal too high, speaker impedance mismatch, faulty cables | Reduce input signal level, ensure speaker impedance matches amplifier, check/replace cables. |
| Amplifier overheats or shuts down | Poor ventilation, excessive load, internal fault, protection circuit activated (voltage limit, short circuit, DC, overload) | Ensure clear ventilation, reduce load, power cycle the unit. If problem persists, contact support. |
10. User Tips
- Optimal Ventilation: Always ensure ample space around the amplifier for proper air circulation. This is crucial for maintaining stable operating temperatures and extending the lifespan of the unit.
- Secure Connections: Regularly check all audio and power cable connections to ensure they are tight and secure. Loose connections can lead to signal loss, noise, or intermittent operation.
- Gradual Gain Adjustment: When powering on or adjusting volume, always start with the gain at a low setting and gradually increase it to prevent sudden loud noises or potential speaker damage.
11. Warranty and Support
11.1 Warranty Period
The Lane S-2800 amplifier comes with a 12-month warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.
11.2 Warranty Claims and Repairs
In the event of a defective product within the warranty period, customers are required to ship the product back, prepaid, to the service center. Upon receipt of the defective goods, repairs will typically be completed within 7 days, and the product will be returned to the customer at our cost.
11.3 Contact Information
For technical support, warranty claims, or any inquiries, please contact:
- Contact Person: Jeannine Zhang
- Telephone: 0086-750-7817728
- Email: lane1989@foxmail.com
- Website: http://www.lane.com.cn
