Techtronics Pro Audio products from Biema
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Biema PA Amplifier Stereo/Bridgeable 2x250W :: A4157PA 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.
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