Light weight and convection cooling make the PA50B 2-Channel Half Rack Amplifier perfect for high quality commercial, industrial, and Pro Audio installations.
The PA Series was specifically designed to meet the rigorous requirements of Sonic Accuracy, High Efficiency, Low Power consumption and extended duty cycles all in a very compact Half Rack Package. Low cost, lightweight and convection cooling make this amplifier perfect for high quality commercial, industrial and Pro Audio sound installations. Our flexible design allows bridging to mono for increased power and will also accept balanced or unbalanced signals by way of 1/4" TRS input connectors. With thousands in operation across a broad range of applications, this hardworking Class AB amplifier has passed the test of time again and again.
Stewart Audio PA50B Features
- Compact Half Rack Package
- Two Channel Amplifier, Optimized to drive 4/8
- Convection Cooled (No Fans)
- Clean Full–Range Dynamic Power
- World Class Reliability
- PA50B 2-Channel Half Rack Amplifier1
- 8 Ohm Stereo Power25W
- 4 Ohm Stereo Power50W
- 8 Ohm Bridged Power100W
- Frequency Response (+0, –0.5 dB, 1)20Hz-20kHz
- Power Bandwidth (+0, –3 dB)5Hz-100kHz
- Signal to Noise Ratio (SNR)>100dB
- THD+N<0.1%
- Damping Factor>200
- Slew Rate30V/microsecond
- Input Sensitivity1V (0dBV)
- Standard Voltage Gain40X (32dB)
- Input impedance (Balanced / Unbalanced)20k Ohms/10k Ohms
- Idle Current Draw SW On & 1/8 power draw0.13/0.56 Amps
- ClassA B
- Input ConnectorsTRS
- Output ConnectorsTerminal Strip
- Power SupplyHigh Speed Switching
- CoolingConvection-Cooling (No Fans)
- ControlsPower on/off, Channel Gain
- LED IndicatorsPower & Clip
- ConstructionSteel & Aluminum Chassis
- Dimensions (HxWxD)1.75 x 8.2 x 6.2 inches
- Weight3.5 lbs
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