PA1250T Single-Channel Power Amplifier Key Features: • 1 x 270W at 70/100V • 2 U Rack Space Chassis • Stepped Rear Level Controls • Complete Protection Package • Selectable 50 Hz or 300 Hz Hi-Pass Filter • Phoenix Type Input • Phoenix Type Output • High Efficiency Circuit Design • Front Panel Power On/Off Technical Specifications: Number of Channels 1 Load Impedance 70V/100V General Description: The Electro-Voice® PA1250T is from the PA series of professional commercial audio amplifiers. The direct path airflow design reduces the heat buildup significantly and allows for more reliable operation in slim two rack space chassis. The audio performance of the PA1250T is superior and fulfills the requirements in many demanding long term applications from sound reinforcement, paging or life safety installations. Rated Output Power (*Rated Load) 270W THD<1%, 1kHz Rated Output Power (*Rated Load) 250W THD<0.2%, 20Hz…20kHz Slew Rate at 1kHz 41V/µs Frequency Response, -1dB, Ref. 1kHz 65Hz - 20kHz Power Bandwidth THD=1%, Ref. 45Hz - >20kHz 1kHz, Half Power Input Impedance, 20Hz ... 20kHz, >20kOhm Balanced Signal-to-Noise Ratio, A-Weighted 103 dB High performance torroidal power and output transformers combine clean saturation free audio performance with cool running operation. The PA1250T features many of the same comprehensive protection circuits typical in EV amplifiers. Complete protection is provided for high temperature, audio limiters, power up delay and peak current limiters. In addition to the rated output power, the PA1250T provides excellent headroom for a wide dynamic range on music signals. The onboard dynamic limiter ensures that the output clipping of the PA1250T will not will not generate excessive distortion. A detented and marked level control on the rear panel provides hidden reliable level adjustments for the channel. Front panel LED indicates signal present, 0 dB, and limit. Phoenix type connectors for inputs and outputs provide easy rack wiring. Input Sensitivity at Rated Output 0dBu (775mV) Power or Voltage, 1kHz THD at rated output power, <0.1% MBW=80kHz, 1kHz IMD-SMPTE, 60Hz, 7kHz <0.1% DIM30, 3.15kHz, 15kHz <0.1% Power Requirements 120V or 230V, 50Hz 60Hz Protection Audio Limiters High Temperature Peak Current Limiters Turn-On Delay Cooling Front-to-Rear Dimensions (W x H x D), mm 483 x 88 x 406mm (2Ru) 19" x 3.5" x 16" Weight 16.5kg (36.34lbs) Low Impedance Outputs: - Min. Rated Load for Single Channel Operation is 4 Ohms. 2 Ohm Load is Not Recommended. - Min. Rated Load for Bridged Operation is 8 Ohms. 4 Ohm Load is Not Recommended. Block Diagram: Dimension Drawings: Top View All Dimensions in Millimeters PA1250T Part Number: Front View PA1250T, 120V -- D170405 Rear View: 12000 Portland Avenue South, Burnsville, MN 55337 Phone:952/884-4051, Fax:952/884-0043 www.electrovoice.com © Telex Communications, Inc. 1/2006 Part Number LIT-0000XX Rev 1 U.S.A. and Canada only. For customer orders, contact Customer Service at: 800/392-3497 Fax: 800/955-6831 Europe, Africa, and Middle East only. For customer orders, contact Customer Service at: + 49 9421-706 0 Fax: + 49 9421-706 265 Other International locations. For customer orders, contact Customer Service at: + 1 952 884-4051 Fax: + 1 952 736-4212 For warranty repair or service information, contact the Service Repair department at: 800/685-2606 For technical assistance, contact Technical Support at: 866/78AUDIO Specifications subject to change without notice.
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