SLA-4 – 4x140W Power Amplifier
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Overview
Offering superb sound quality, the ART SLA-4 studio linear power amplifier delivers the clean power you need for any professional audio application including project or professional studio environments or commercial sound installations.
SLA-4 Applications:
- The SLA-4 is a true four-channel amplifier in a single rack-space that can be switched easily from Multi-channel, Stereo and Bridged Mono Modes
- Separate mode switches allow you to bridge channels 1 and 2, or channels 3 and 4, or both channel pairs
- Maximizes flexibility by allowing the amp to be configured for best utilization in 2, 3, or 4 channel applications
- Designed for long-term reliability in any audio application, the SLA-4’s output is fully protected from short circuits.
- An ultrasonic network decouples RF from the output and helps keep the amplifier stable with reactive loads
- SLA-4 is stable into loads as low as 2 ohms (stereo mode) or 4 ohms (bridged mode) making it ideal for virtually any installation application or complex system configuration
- The SLA-4 features SmartFan, an advanced, thermal dependent fan assisted convection cooled system.
- The SmartFan system is dependent upon the internal ambient temperature of the unit, and runs at high or low levels depending on the amplifier’s cooling needs
- 1/4-inch TRS and Euroblock balanced inputs as well as multi-way output binding posts are ensure the SLA4 can be quickly and easily tied in to any system without modification.
- Simple to install tamper proof cover is included
Key Features
- Extremely Low Noise, Discrete Linear Design
- 4 x 100 watts/Ch @ 8 ohms, 140 watts/Ch @ 4 ohms
- 2 x 200 watts/Ch @ 16 ohms, 280 watts/Ch @ 8 ohms (bridged)
- 2 x 100 watts/Ch @ 8 ohms & 1 x 280 watts @ 8 ohms (bridged)
- Toroidal Transformer
- 10 Hz to 40 kHz Frequency Response
- 1/4-inch TRS, and Euroblock Balanced Inputs
- Recessed “Pop Out” Detented Gain Knobs
- Tamper-Proof Faceplate Included
- Multi-way Binding Post Outputs
- Low Profile 1U Rack-Mountable Design
- SmartFan Silent Cooling System
Specifications
| Bridged Output Power, 16 Ohms | 2 x 200W/Channel RMS |
| Bridged Output Power, 8 Ohms | 2 x 280W/Channel RMS |
| CMRR | > 60dB (typical @1kHz) |
| Damping Factor | > 100 |
| Frequency Response | 10Hz to 40kHz, +/- 0.5dB |
| Total Harmonic Distortion | <0.05% (typical) |
| Hum and Noise | > 100dB below clipping |
| Input Impedance | 44k Ω (balanced) / 22k Ω (unbalanced) |
| Input Sensitivity | 1V for full power output into 8 Ω |
| Input/Output Connections | 1/4-inch TRS/Euroblock (Input) / Multi-Way Binding |
| Minimum Load Impedance, Mono | 4 Ω (Bridged) |
| Minimum Load Impedance, Stereo | 2 Ω (Stereo) |
| Slew Rate | > 20V/uS |
| Stereo Output Power, 4 ohms | 4 x 140 W/Channel RMS |
| Stereo Output Power, 8 ohms | 4 x 100W /Channel RMS |
| Transformer Type | Toroidal |
| Dimensions | 1.75″ x 19″ x 13.5″ / 44.5mm x 483mm x 190.5mm |
| Weight | 19.8lbs (9.0kg) |
| Power Requirements | 120VAC 60Hz 1000 W (max) |
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