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Фрагмент инструкции
When switched into bridged-mono mode, the amplifier it shall deliver at least 370 watts into a 16 ohm load, and 550 watts RMS into an 8 ohm load. The amplifier shall be immune to damage from shorted, open, or mismatched loads. The amplifier shall have a gain of 29 dB +/- .2dB per channel and an input sensitivity of 1.3 Volts +/-2% for full rated output. Frequency response shall be 20Hz to 20kHz +/- .2dB. It shall be stable into any load, including pure capacitors and inductors. Hum and noise shall be at least 100dB below full output and SMPTE intermodulation distortion shall be less than .01% at full output. The amplifier shall have rear panel switching for parallel mono and bridging modes and rear mounted level controls. The inputs shall be of balanced bridging type with barrier strip, 1/4” phone jacks, and female XLR connectors. A three-color L.E.D type indicator shall be employed to show the power level of each channel and self contained forced air cooling shall be used. Each channel shall have a PROTECT LED which indicates an open relay due to short-circuit, ultrasonic, DC, or turnon delay. The power output devices shall be of the Lateral MOS-FET type. The amplifier shall weigh 41lbs net and mount in a standard 19 inch rack using two spaces (3.5” high). The power requirement shall be 110-125VAC, 50-60-Hz. The power amplifier shall be an Ashly FTX-1501. Features: • Turn-on Delay • Fuseless Short Circuit Protection • U.L. Listed • 5-Year Worry-Free Warranty • MOS-FET Output Devices • Class-A Full Complementary Front End • Modular Construction • XLR, 1/4", and Barrier Strip inputs • Stereo, Parallel Mono & Bridging Modes • LED Level meters • Forced Air Cooling • Perfect Overload and Square Wave Response • Stable Into Any Load • Self Protecting Under Virtually All Conditions • Input Transformers Optionally Available • PowerCard Input Option Ready General Specifications FTX-1501 Power Output IM Distortion (SMPTE): .17%, 8 ohm (Maximum Average Power, .1% THD, 1KHz) IMD (IHF): .05%, 8 ohms Rated Per Channel, Both Channels Driven 2 ohms: 275 Watts RMS Hum and Noise (20Hz - 20KHz unweighted): -100dB from full output 4 ohm: 275 Watts RMS Damping Factor: >250, 8 ohm, <1kHz 8 ohm: 185 Watts RMS Bandwidth: 100kHz Mono Bridged: Slew Rate: 50 V/^S 4 ohms: 550Watts RMS Frequency Response: ±0.2dB 20Hz-20kHz 8 ohm: 550Watts RMS Rise Time: 2^S 10%-90% Full Power Input Sensitivity: 1.3V (FTC Continuous Power, 0.1% THD, 20Hz - 20KHz) Power Requirement: 110-125VAC, 50-60Hz (240V Rated Per Channel, Both Channels Driven Available) Stereo (per channel): Dimensions: 19”L x 3.5”H x 16.5”D 4 ohm: 250 Watts RMS Shipping Weight: 46 lbs 8 ohm: 175 Watts RMS Mono Bridged: Specification conditions are: 120VAC mains at 60Hz, 25° C 8 ohm: 500W RMS Total Harmonic Distortion: 8 ohm: .01% 1kHz, 8 ohm: .05% 20Hz, 8 ohm: .1% 20kHz Rear Panel FTX-1501 Applications: Churches, Studios, Concerts, Dance/Night Clubs, PA Systems, Auditoriums, Lecture Halls, Sports Stadiums, Outdoor Festivals 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 Products. Ashly Audio Inc., 847 Holt Road, Webster, NY 14580-9103, Toll Free (800) 828-6308, Telephone (585) 872-0010, FAX (585) 872-0739 Internet: email: info@ashly.com...