MPA250 Multi-Purpose Amplifier Operation Manual Biamp Systems | 9300 S.W. Gemini Drive | Beaverton, OR | 97008 | USA | +1.503.641.7287 | www.biamp.
MPA250 TABLE OF CONTENTS Safety Information INTRODUCTION pgs. 2~5 Front Panel pg. 6 Rear Panel pg. 7 Specifications pg. 8 Warranty pg. 9 MPA250 single-channel, multi-purpose amplifiers deliver a full 250 Watts of power into direct or distributed speaker systems. The MPA250 is designed for reliable service in permanent installations, and comes complete with short-circuit and thermal protection, including front/rear panel indicators and automatic reset.
IMPORTANT SAFETY INSTRUCTIONS Read these instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. Keep these instructions. Heed all warnings. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety.
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FRONT PANEL On Indicator: This green LED remains lit when AC power is applied to the unit. Signal / Peak Indicator: This 2-color LED indicates the signal level for the amplifier. When the LED is green, the amplifier has signal (above -30dB). When the LED is red, the amplifier signal is clipping (max. power). CAUTION: Signal levels should be adjusted to avoid clipping. Clipping can cause severe distortion, over-temperature conditions, and even loudspeaker damage.
REAR PANEL WARNING: SHOCK HAZARD - DO NOT OPEN NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. 52SJ AVIS: RISQUE DE CHOC ÉLECTRIQUE - NE PAS OUVRIR US E215636 MPA250 BIAMP SYSTEMS Designed in Oregon, U.S.A. Assembled in India CAUTION I Class 2 Wiring direct output xfmr output UNBAL 775mV OFF CAUTION: Risk of fire replace fuse only with same type T 6.
SPECIFICATIONS Continuous Power (4 ohm direct & transformer outputs): 250 watts Signal-to-Noise Ratio (20Hz~20kHz): referenced to 250 watts into 4 ohm direct output > 90dB Total Harmonic Distortion: 20Hz~20kHz @ 250 watts into 4 ohm direct output < 0.2% 100Hz~15kHz @ 250 watts at transformer outputs < 1.0% Intermodulation Distortion (SMPTE): < 0.
WARRANTY BIAMP SYSTEMS IS PLEASED TO EXTEND THE FOLLOWING 5-YEAR LIMITED WARRANTY TO THE ORIGINAL PURCHASER OF THE PROFESSIONAL SOUND EQUIPMENT DESCRIBED IN THIS MANUAL 1. BIAMP Systems warrants to the original purchaser of new products that the product will be free from defects in material and workmanship for a period of 5 YEARS from the date of purchase from an authorized BIAMP Systems dealer, subject to the terms and conditions set forth below. 5.
EU RoHS COMPLIANT This Biamp product, including all attendant cables and accessories supplied by Biamp, meets all requirements of EU Directives 2002/95/EC of January 27, 2003, and 2005/618/EC of August 18, 2005, the EU RoHS Directives. An EU RoHS Materials Content Declaration document may be obtained at www.biamp.