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PARASOUND HALO A31

Tre-kanals effektforsterker.

» Mer om produktet

  •  250 watts x 3 @ 8 Ohms / 400 watts x 3 @ 4 Ohms
  •  Adjustable gain for up to +6db over THX Reference level
  •  Unbalanced RCA and balanced XLR inputs
  •  Circuitry designed by legendary John Curl
  •  High bias class A/AB operation
  •  Direct coupled (no capacitors or inductors in signal path)
  •  Complementary MOSFET driver stage and JFET input stage
  •  24 beta-matched 15 amp, 60 MHz bipolar output transistors
  •  1.5 kVA encapsulated toroid power transformer with independent
      secondary windings for each channel
  •  98,400 µF power supply filter capacitance
  •  DC Servo and relay protection circuits
  •  AC present, channel status, high temperature indicators
  •  Heavy-duty 24k gold-plated 5-way speaker terminals
  •  THX Ultra2 certified
  •  Auto turn-on by 12v trigger or audio signal
  •  4u Chassis, carry handles, rack mounting adapter included

» Tekniske data

Continuous power output:
        250 watts RMS x 3, 20 Hz - 20 kHz, 8 Ω, all channels driven
        400 watts RMS x 3, 20 Hz - 20 kHz, 4 Ω, all channels driven

        Current capacity:
        60 amperes peak per channel

        Power bandwidth:
        5 Hz - 100 kHz, +0/-3 dB at 1 watt

        Total harmonic distortion:
        < 0.2 % at full power

        IM distortion: balanced 16 V rms
        < 0.04 %

        Slew rate:
        > 130 V/µsecond

        Dynamic headroom:
        > 1.5 dB

        Interchannel crosstalk:
        > 78 dB at 1 kHz;
        > 63 dB at 20 kHz

        Input sensitivity:
        1 V for 28.28 V (THX Reference)

        Input impedance:
        47 k Ω unbalanced; 94 k Ω balanced

        S/N ratio:
        112 dB, input shorted, IHF A-weighted

        Damping factor:
        > 1100 at 20 Hz

        Dimensions:
        17-1/4" w x 7-5/8" h x 19-1/8" d, 7" h without feet

        Net weight: 65 lb.

        Shipping weight: 79 lb.

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