Output Isolation Transformer


Our Price: $300.00
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The IT-42 is an output isolation transformer accessory for the QSC CX302 amplifier, allowing it to drive two 25, 70 and 100 volt distributed lines in stereo or parallel or a single 140 or 200 volt line in bridged mono. The IT-42 is pre-wired for quick and convenient mounting to the back of the CX302 amplifier and requires no additional rack space.


  • Fully isolated secondary
  • Dual channel: 25V, 70V, or 100V lines
  • Bridged mono: 140V or 200V line
  • Up to 400 watts per channel or 800 watts in bridged mono
  • Frequency response: 75 Hz - 12 kHz +0, -3 dB, loaded with 12.2 ohms (70V) or 25 ohms (100V) non-inductive load. (using 75 Hz filter on amplifier)
  • Output regulation: < 1 dB at midband frequencies, no-load to full-load
  • Weight: 3.6 lbs. (1.6 kg)
  • Overall depth (amplifier with IT-42 attached): 17.3 inches (440 mm)
  • Harmonic distortion:
    • less than 0.05%, 75 Hz, -3 dB
    • less than 0.5%, 150 Hz-12 kHz at 0 dB
  • Output Voltage/Maximum Distributed Line Power, Midband:
    *Bridged Mono
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