Qsc - Pl10Hv 电路图.pdf

FEATURES 1675 MacArthur Boulevard Costa Mesa, California 92626-1468 USA Ph: 714/754-6175 Fax: 714/754-6174 Web: E-mail: PowerLight? T PowerLightPowerLightPowerLightPowerLightPowerLight 1.01.01.01.01.0HV HVHVHVHV he PowerLight 1.0HV is an advanced professional audio amplifier featuring uncompromised audio performance. A new high frequency power supply, utilizing QSCs PowerWave Switching Technology, has been combined with the rugged audio amplification circuits of traditional QSC amplifiers to produce an amplifier with incredible reliability, thermal capacity and audio performance. A special “High Voltage” output circuit provides maximum power at 16, 8, and 4 ohm loads. The PowerLight 1.0HV is rated at 325 watts/channel into 8 ohms and 525 watts/channel into 4 ohms, making it ideal for powering midrange and high frequency drivers and studio monitors. A Class AB output circuit also provides ultra-low distortion. Outstanding audio performance and reliability, networkability, and light weight make this amplifier ideal for all critical sound system applications. Ideal for powering studio monitors and high frequency drivers 500 watts per channel at 4 ohms 300 watts per channel at 8 ohms (guaranteed minimum specs) Advanced thermal management system Clip Limiter (user defeatable) reduces distortion, protects loud speakers PowerWave Switching Technologyfor improved audio performance Detented gain controls with 2 dB steps for easy resetting Comprehensive LED status arrays Full complementary class AB output circuit for ultra-low distortion Variable speed fan, for quiet operation DC, sub audio, and thermal overload protection Patented Output Averaging short-circuit protection Neutrik ”Combo“ (XLR 220240 V units shall be equipped with a 320-C19 16A IEC mains connector and a removable power cord. The amplifier shall comply with FCC part 15 Class B requirements. The amplifier shall employ forced-air cooling with two variable speed fans for minimum acoustic noise. Air flow shall be from rear to front to avoid temperature rise inside the rack. Rack mounting shall be possible without clearance between amplifiers for ventilation. The amplifier shall be capable of continuous operation at 1/3 power into eight-ohm loads, in ambient temperatures up to 104F (40C). The amplifier shall contain two independent amplifier channels and a switching power supply. All amplifier protection systems shall be self- resetting upon removal of fault. Each channel shall have protective cir- cuitry against short circuit or mismatched loads. Each channel shall moni- tor heat sink temperature and shall trigger fan speed boost, and if neces- sary, signal muting to prevent excessive temperature rise. Both channels shall have synchronized on-off muting, acting for three seconds after turn- on, and within second after turn-off or loss of AC power. Each channel shall have DC fault protection for the load, consisting of a power supply shutdown. Each channel shall have a user-defeatable clip limiter. The front panel shall contain the AC power switch; a green LED power-on indicator; a yellow LED standby indicator and a red protect mode indica- tor. Each channel shall have the following controls and displays: A front panel detented gain control, with 11 gain settings: 34 dB, 32 dB, 30 dB, 28 dB, 26 dB, 24 dB, 22 dB, 20 dB, 16 dB, 12dB, -; a recessed front panel clip limiter defeat switch; a green signal present LED triggering at -30 dB; two yellow LED output indicators, triggering at -20 dB and -10 dB; a red LED showing true amplifier clipping. The output connectors for each channel shall be “touchproof” binding posts, accepting banana plugs or up to 7 AWG (4 mm dia.) wire. Connec- tor terminals are arranged to allow bridge mono connection. The rear panel input shall provide barrier strip and Neutrik “Combo” con- nectors for each channel. The XLR input shall be wired with pin 2 high, the TRS input shall be wired with tip positive, ring negative, and sleeve grounded. Inputs shall be electronically balanced, with a minimum im- pedance of 10 kilohms per side, and a common mode rejection of at least 50 dB from 20 Hz to 20 kHz. A High Density 15-pin Data Port connector shall carry both audio and am- plifier operational status signals to and from a QSC MultiSignal Proces- sor. Switches shall be provided for stereo-bridging and parallel inputs. A two- position barrier strip on the rear panel shall be used for remote Power Supply Enable; a contact closure shall place both amplifier channels in standby mode, when the front panel power switch is in the on position. The front panel power switch shall function as a master switch that removes all AC power. Each channel shall be capable of meeting the following performance cri- teria with both channels driven: Sine-wave output power of 300 watts into eight ohms, and 500 watts into four ohms, 20 Hz to 20 kHz, with less than 0.1% THD. Frequency response at 3 dB below rated power shall be 20 Hz to 20 kHz within 0.15 dB. The voltage gain shall be 50, equivalent to 34 dB, and the input sensitivity shall be 1.0 Vrms. The signal to noise ratio over the range of 20 Hz to 20 kHz shall exceed 108 dB relative to full output. IHF damping factor shall exceed 350. The amplifier chassis shall occupy two rack spaces, with provision for securing the rear corners. Depth from mounting surface to tips of rear supports shall be 17.9 (45.5 cm). Weight shall not exceed 18 lbs. (8.2 kg.). The amplifier shall be the QSC Audio Products PowerLight 1.0HV. Rear panel photo goes here FPO DAOL MARGORPLAMRON *REWOP8 / 1 MARGORPXAM REWOP3 / 1 EVAWENISXAM GNIPPI LC%1 8 A1 . 5A3 . 7A1 . 21 4 A6 . 7A5 . 11A8 . 91 RadioFans.CN 收音机爱 好者资料库