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Stewart Audio AV25-2 2 Channel Subcompact 25W Amplifier

Model: AV25-2

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About: Stewart Audio AV25-2 2 Channel Subcompact 25W Amplifier

The sub compact AV25-2 is built to meet the rigorous demands of high quality commercial, industrial and Pro Audio sound installations. Low cost, lightweight and convection cooling make this Class D amplifier flexible enough for a broad range of applications requiring quiet amplification. With an extremely compact form factor, the AV25 allows amplification to be located in places off limits to normal amplifiers without compromising sound or power. Like all Stewart products, the AV25 is designed for sonic accuracy, high efficiency and extended duty cycles. Our Signal Sense Power Technology™ (SSPT™) ensures the amplifier is only powered when there is a signal present, saving energy and extending product life.

2 channel stereo amplifier in a subcompact, 1/4 rack form factor. This amplifier is plenum rated for above-ceiling applications and uses our Signal Sense Technology for Energy Star compliance.

  • Music and fire alarm muting
  • Clean full-range dynamic power
  • Signal Detect trigger for sleep & wake up
  • Multiple mounting options
  • External inline power supply


4 Ohm Stereo Power 35W
8 Ohm Stereo Power 25W
Frequency Response (+0, -3dB, 1W) 30Hz - 20kHz
Power Bandwidth (+3, -3 dB) 30Hz - 30kHz
THD+N <.1% @ Full Power
Signal to noise ratio >100dB
External Mute Contact Closure
Slew Rate 30V/microsecond
Input Sensitivity .5V (-3 dBV)
Standard Voltage Gain 28X (26.5dB)
Input Impedance (Balanced/Unbalanced) 20kΩ/10kΩ
Standby, Idle Current Draw, 1/8 Power Draw 0.005/0.01/0.15 Amps)
Class D
Input Connectors Euro Block
Output Connectors Euro Block
Power Supply External in-line 48VDC (Included)
Cooling Convection-Cooling (No fans)
Controls Level
LED Indicators Power, Signal Present, & Clip
Construction Aluminum Chassis
Dimensions (H,W,D) 1.25"H x 4.35"W x 3.2"D
Weight <.37 lbs (0.16kg)
Warranty 3 years
Plenum Rating UL 2043 Approved is a Canadian authorized Stewart Audio retailer.

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