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InterM OPT-100D


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Product Overview

100W 2-Channel Output Power Transformer

OPT-100D is output transformer to convert 100W DSA-100D (Half-Rack Compact Size, two channels, Digital Amp) to 70/100V output. The DSA-Series can deliver 70/100V output using the OPT-100 transformer.



  • High Performance OPT – Output Transformer delivers clear and high quality sound
  • Compact Size – Features are SLIM, type compact size(1RU, Half-Rack size, 280mm rear width), 100W, 2 channels, low weight, and easy installation anywhere
  • 100V/70V Output – 100V/70V outputs are supported



  • Rated Power Output (@ 1kHz): 100W x 2
  • Input: 20V
  • 100V Output Voltage and Minimum Impedance: 100V ±10dB / 100Ω
  • 70V Output Voltage and Minimum Impedance: 70V ±7dB / 49Ω
  • Weight (SET): 4.2kg/9.3lb
  • Dimensions (SET): 210 x 44 x 280 mm / 8.3(W) x 1.73(H) x 11(D)in



Frequency Response (1W)

  • OPT-100D: 80~20kHz (-3dB)
  • OPT-100D + AMP: 80~17kHz (-3dB)


Maximum SPL

  • Temperature: -10 ~ +40
  • Humidity: 0% ~ 90%

Product Downloads

  • OPT-100D Brochure PDF 3.0 MB
  • OPT-100D User Manual PDF 0.6 MB
  • OPT-100D ED DWG DWG 0.1 MB
  • OPT-100D DWG DWG 0.3 MB


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*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the OPT-100D.