TM MPA250 Multi-Purpose Amplifier Operation Manual Biamp Systems, 10074 S.W. Arctic Drive, Beaverton, Oregon 97005 USA an affiliate of Rauland-Borg Corp. (503) 641-7287 www.biamp.
blank print update Spetember 16, 2002
MPA250 INTRODUCTION TABLE OF CONTENTS Front Panel pg. 2 Rear Panel pg. 3 Specifications pg. 4 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.
FRONT PANEL MPA250 on signal peak temp fault 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 MPA250 CAUTION US RISK OF ELECTRICAL SHOCK. DO NOT OPEN. BIAMP SYSTEMS an affiliate of Rauland Borg Corp. MADE IN U.S.A.
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. BIAMP Systems expressly warrants this product to be free from defects in material and workmanship for a period of 5 YEARS from the date of purchase as a new product from an authorized BIAMP Systems dealer under the following conditions. 1.