ART SLA-4 4-Channel Studio Linear Amplifier

Sale Price $409.00 Original $575.00 You Save $166.00


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.

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. This 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. The SLA4 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 SLA-4 can be quickly and easily tied in to any system without modification. A simple to install tamper proof cover is included.

  • 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
  • Input Connections: 1/4-inch TRS (balanced/unbalanced), Euroblock (balanced/unbalanced)
  • Output Connections: Multi-Way Binding Post
  • Input Impedance: 44k ohms (balanced), 22k ohms (unbalanced)
  • Input Sensitivity: 1V for full power output into 8 ohms
  • Stereo Output Power-8 ohms: 4 x 100 Watts/Channel RMS
  • Stereo Output Power-4 ohms: 4 x 140 Watts/Channel RMS
  • Bridged Output Power/8 ohms: 2 x 280Watts/Channel RMS
  • Bridged Output Power/16 ohms: 2 x 200 Watts/Channel RMS
  • Stable into: 2 ohms (stereo), short term; 4 ohms (bridge), short term
  • CMRR: >60dB (typical @1kHz)
  • Frequency Response: 10Hz to 40kHz, +/- .5dB
  • Hum and Noise: >100dB below clipping
  • THD: <0.05% (typical)
  • Transformer Type: Toroidal
  • Slew Rate: >20V/uS
  • Damping Factor: >100
  • Power Requirements:
  • 100VAC 50Hz 1000 watts (max.)
  • 120VAC 60Hz 1000 watts (max.)
  • 220VAC 50Hz 1000 watts (max.)
  • 230VAC 50Hz 1000 watts (max.)
  • 240VAC 50Hz 1000 watts (max.)
  • Dimensions DxWxH (in): 1.75 x 19.0 x 13.5
  • Dimensions DxWxH (mm): 44.5 x 482.6 x 190.5
  • Weight: (lbs/kg) 19.8 lbs. (9.0kg)

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