Ashly 4400 User's Manual
Contents
1. Construction All Steel Chassis Extruded Aluminum Front Panel Weight 46 Ibs net 53 Ibs shipping Specification conditions are 120VAC mains at 60Hz 25 C Non conventional amplifiers require bandwidth limiting for all distortion and noise measurements t Signal peaks in audio programming may trigger protection circuitry at low line voltages Specifications are subject to change or improvement without notice Powerflex 4400 Rear Panel Ch3 vn el ene RARAAA IC EERE a D ji p ue Ch1 In Ch 2In Ch 41n ail 115V or 230V 50 60Hz 1400W N AVIS RISQUE DE CHOC ELECTRIQUE MDA 12A NE PAS DUVRIR CAUTION a RISK OF ELECTRIC SHOCK Applications Ashly Audio Inc Made in USA Powerflex 4400 OUTPUTS Dual Stereo Dual Mono Mode 275W Chan 8Q A00W Chan 4Q Bridged Mono Mode 800W Bridged 8Q BRIDGE MODE Take Output From Two Red Posts Do Not Connect Either Output Wire To Ground Any multichannel power amplification application PA and DJ applications paging systems cinema systems boardroom audio appli cations multiple zone restaurant bar theme park or auditorium systems surround sound applications recording studios Ashly manufactures a complete and comprehensive line of Graphic and Parametric Equalizers Electronic Crossovers Power Amplifiers Compressor Limiters Mixers and Amplifier Input Options Please call write or visit our web site for information on any of these Ashly Prod2. ASEFILY Powerflex 4400 Four Channel Power Amplifier Technical Notes amp Specifications Channel 1 Channel2 Channel3 Channel 4 Protect Q a C _ C Thema Q _ CC u cip O OO O O Signal Q C Architects Specifications Powerflex 4400 Four Chanel Amplifier The power amplifier shall be a multichannel unit consisting of four independent channels Each amplifier shall be able to deliver 275 watts into 8 ohms or 400 watts into 4 ohms In addition bridged pairs shall be able to output 800 watts each into 8 ohms The amplifier shall have a gain of 30 1dB and an input sensitivity of 1 25 Volts RMS for full rated output Frequency response shall be 20Hz to 20kKHz 0 5dB at 8 ohms The unit shall be stable into any load including pure capacitors and inductors Hum and noise shall be at least 100dB below full output A weighted and SMPTE intermodulation distortion shall be less than 0 2 Total Harmonic Distortion 20Hz 20KHz at 8 ohms shall be less than 0 2 Each amplifier channel shall be supplied with an input attenuator located on the rear panel input module Each pair of inputs shall have a bypassable high pass filter of 12dB octave at 50Hz a switch to select stereo or mono mode and a switch to select dual or bridge mode There shall be an input ground switch located on the input module to select chassis or floating ground operation Powerflex Aado The inputs shall b
3. ar Out Channeled Air Flow e Five Year Warranty General Specifications Powerflex 4400 Power Output Maximum Average Power 0 1 THD 1KHz Rated Per Channel Two Channels Driven 4 ohm 400 Watts RMS 8 ohm 275 Watts RMS Mono Bridged 1 Channel 8 ohm 800 Watts RMS Rated Per Channel All Channels Driven 4 ohm 400 Watts RMST 8 ohm 275 Watts RMS Mono Bridged 2 channels 8 ohm 800 Watts RMS Input Impedance 10K ohm balanced 37K ohm unbalanced High Pass Filter 50Hz 12dB octave Total Harmonic Distortion 20Hz 20KHz 8 ohms lt 0 2 IMD SMPTE 60Hz 7KHz 4 1 8 ohms lt 0 2 throughout power range IHF 8 ohms lt 0 1 throughout power range Hum and Noise 100dB from full output A weighted Full Power Input Sensitivity 1 47V RMS 5 6dBu Frequency Response 8 ohm 0 5dB 20Hz 20kHz 4 ohm 1 5dB 20Hz 20kHz Voltage Gain 32X 30 1dB Continuous power limited by power line capacity Crosstalk lt 80dB 20Hz 1KHz Signal Present Signal Sensitivity 13mV RMS 35 5dBu Power Requirement 110 125VAC 220 250VAC 50 60Hz Typical Idle Current 120V 0 9A 240V 0 5A Current with Typical Audio Program Material 4 ohm load x 4 Channels 120V 7A 240V 3 5A Connections Input XLR 1 4 Pin 2 Hot Tip Hot Euroblock Output 5 Way Binding Post Cooling Forced Air Thermal Sensitive 3 Speed Fan Front Inlet Rear Outlet Dimensions 19 L x 5 25 H x 16 5 D
4. e active balanced design with an impedance of 10K ohm accessible with combination XLR 1 4 jacks and euro block connectors The outputs shall be terminated with a 5 way binding post connector Individual channel indicators for protect thermal overload clip and signal present shall be LEDs located on the front panel Cooling shall be supplied by a temperature sensitive three speed fan drawing air from the front of the unit and exiting through the rear The unit shall be capable of operation by means of its own built in power supply connected to 110 125V AC 220 250V AC 50 60Hz Dimensions of the unit shall be 19 L X 5 25 H X 16 5 D The chassis shall be constructed from steel with an aluminum face panel and weigh 45lbs The unit shall be the Powerflex 4400 manufactured by Ashly Audio Inc ASHLY e Four Channel Amplifier 275W Ch 8 Ohms 400W Ch 4 Ohms e Revolutionary High Speed Switched MosFet Output Design with Spread Spectrum Switching Technology e Superior Efficiency Over Conventional Linear Amplifiers e Input Module with Level Controls Located on Rear Panel e Switchable HPF on Inputs e XLR 1 4 Euroblock Input Connections e 5 Way Binding Post Output Connections e Individual Channel Front Panel Level and Protection Indicators e Multiple Protection Circuits e Exceptional Audio Fidelity e Bridgeable Channel Pairs e Internal Modular Design e Quiet Three Speed Fan e Front In Re
5. ucts Ashly Audio Inc 847 Holt Road Webster NY 14580 9103 Toll Free 800 828 6308 Telephone 585 872 0010 FAX 585 872 0739 Internet http www ashly com email info ashly com
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