ผู้เขียน หัวข้อ: Poweramp PARASOUND A51  (อ่าน 556 ครั้ง)

ออฟไลน์ kkhifi

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Poweramp PARASOUND A51
« เมื่อ: มีนาคม 19, 2019, 05:43:04 pm »
สภาพสวยราคา 89,900.Bสนใจติดต่อ 081-6623531
Circuitry designed by legendary John Curl
THX Ultra2 certified
High bias Class A/AB operation
Balanced inputs with discrete circuits and XLR connectors
Direct Coupled - no capacitors or inductors in signal path
Complementary MOSFET driver stage and JFET input stage
20 beta-matched 15 amp, 60 MHz bipolar output transistors
1.4 kVA encapsulated toroid power transformer with independent
secondary windings for each channel
100,000 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
Gold-plated RCA input jacks; ground lift switch
Auto turn-on by 12v trigger or audio signal, 12v trigger out
3u Chassis, carry handles, rack mountable with HRA3 (sold separately)
Parasound 5 year parts, 5 years labor warranty
(For USA and Canada purchases only)
Continuous power output:
  125 watts RMS x 5, 20 Hz - 20 kHz, 8 Ω, all channels driven
  225 watts RMS x 5, 20 Hz - 20 kHz, 4 Ω, all channels driven

  Current capacity:
  30 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/&#181;second

  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 Level

  Input impedance:
  47 k &#937; unbalanced; 94 k &#937; balanced

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

  Damping factor:
  > 1000 at 20 Hz

  Voltage:
  110V - 120V

  Dimensions:
  17-1/4" w x 5-7/8" h x 19-3/4 " d, 5-1/4 " h without feet

  Net weight: 50 lb.