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PRECISION POWER PC740.5 汽車擴音

Kuantiti

Ringkasan

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PrecisionPower - PC740.5 - 5 Channel 740W PPCI Power Class Series Amplifier for its high-quality audio performance.

Maklumat produk

The Power class amplifiers clearly represents what audiophile quality car audio should be. Unparalleled sound quality stems from multiple factors; top quality torroidial transformers, all N-channel transistors, extremely low tolerance resistors and capacitors, and so forth. The preamp section is extremely detailed with 4 different types of crossovers: high pass, low pass, band pass, and subsonic. And just to be sure that the amplifier's output is not ruined by cheap or noisy input signals, we included balanced line inputs to be used with our BLT transmitters for the ultimate listening experience!

Features

  • 2, 4, 5 ch. & Mono-Block Models Available
  • High Headroom MOSFET Power Supply
  • Balanced Signal Input Via BLT
  • Extensive Pre-Amp Processing
  • Quick Disconnect Terminals

Specifications

  • RMS Power Rating:
    • 4 ohms: 60 watts x 4 chan. + 250 watts x 1 chan.
    • 2 ohms: 90 watts x 4 chan. + 380 watts x 1 chan.
    • Bridged, 4 ohms: 180 watts x 2 chan.
  • Individually regulated preamp/crossover power supplies ensure signal purity
  • Low ESR capacitance banks compensate power supply ripple currents
  • Extra low current drive stage increases efficiency and sound clarity
  • Large TO218 MOSFET Transistors
  • Full signal path low noise/distortion circuitry topology
  • Wired remote bass level control included
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +12 dB bass boost at 45 Hz)
  • 5/4/3/2 Channel operation
  • Differential drives divide pre-amp and power-amp stages, eliminating ground looping
  • Close tolerance signal path components - 1% resistors and 5% capacitors
  • Sequenced delays eliminate residual power-up/power-down pops
  • Differential RCA inputs isolate 12V/audio to ground
  • Triple Darlington audio output stages
  • 2 Oz. Copper traces transfer high volume internal current
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Separate capacitor charging/discharging current paths prevent rail switching spikes and ground traces from entering signal stages
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Nickel-plated RCA level inputs
  • Gold-plated screw terminals
  • Input sensitivity:  Level: 200mV-9V
  • Variable high-pass filter (15-4,000 Hz, 12 dB/octave)
  • Variable low-pass filter (50-4,000 Hz, 12 dB/octave)
  • Subsonic filter (15-50 Hz, 12 dB/octave)
  • Damping factor (100Hz @ 4 Ohms): >2000
  • Phase Control: 0 or 180° switch
  • Frequency response: 15-50,000 Hz
  • External 100A fuse required and sold separately
  • Dimensions: 17-1/4"L x 10"W x 2"H

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