Techtronics Pro Audio products from Biema
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Biema A4157

Biema PA Amplifier Stereo/Bridgeable 2x250W :: A4157

PA Amplifier Stereo/Bridgeable 2x250W

This series dubbed the “Apple” range have been completely redesigned by Biema to offer vastly improved cooling, efficiency and circuit protection. This range is designed to function as a high power bridgeable stereo amplifier for use in foreground sound reinforcement ie: pubs, clubs, cinemas and multi-function venues. The variable speed cooling fan and ‘T’ shaped heatsink tunnel ensure the amplifier performs well even in demanding conditions. The protection circuitry employed ensures the integrity of the amplifier during overload condition, output terminal short circuit and output clipping.

Specifications
Output Power (Stereo 8O): 250W + 250W
TA 1KHz THD=1% (4O): 370W + 370W
Bridge 8O: 740W
Frequency Response: 20Hz-20KHz +/-0.5dB
Input Sensitivity: 0.77V
Maximum input level: 18dB/6.2V
Input Impedance active balanced: 20KOHMS/Balanced, 10KOHMS/un-Balanced
Signal/noise ration a-weighted RMS: =95dB
Crosstalk at rated output power (8O 1kHz): >70dB
Damping Factor (f=1kHz 8O): >240
Slew rate internal: 15V/us
Protection: Short circuit, current limited DC fault AC line fuse, thermal cut off, power up/down transients
Indicators: POWER (BLUE) PROT (RED) CLIP (YELLOW) BR (GREEN) PAR (GREEN)
Cooling: Variable Speed Fan
Front Panel Controls: LEVEL ACH, BCH POWER SWITCH
Rear Panel Controls: STEREO/BRIDGE/PARALLEL MODE SWITCH
Connector: XLR BALANCED INPUT, PROFESSIONAL SPEAKON OUTPUT
Power consumption half power 8O: <740W
Power Supply: 240V AC/50Hz
Interior Dimensions: 482 x 325.5 x 88mm
Exterior Dimensions: 555 x 415 x 168mm
Net Weight: 9kg
Gross Weight: 10kg
*Specifications are subject to change without notice.
Link to product page    $594.00

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