Analog Audio Spectrum Analyzer

Mr Spock

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Magilyzer Mk II . . .




The Magilyzer is an analog audio spectrum analyzer, based around the Rohm BA3830 analyzer chip. It offers the display of 6 selective audio bands: 63 Hz, 150 Hz, 330 Hz, 1 kHz, 3.3 kHz and 10 kHz.



Features

  • 12 V 2 A power supply.
  • Inrush current suppression.
  • Brightness- and colour adjustable tubes illumination.
  • Stereo RCA in- and outputs for easy daisy chaining in an existing audio path.
  • Selectable audio channel (right / both / left) for display.
  • Build-in microphone signal can be mixed.
  • 63 Hz, 150 Hz, 330 Hz, 1 kHz, 3.3 kHz, 10 kHz spectrum level are displayed on 6 x EM800 Magic Eye tubes
  • Positive grid bias per tube individually adjustable for a kind of "screen saver" when no signal is applied.
  • Switchable audio compressor for wider display range.
  • Engraved frequencies on top cover are red illuminated.
  • Solid anodized Aluminium profiles.
  • Mirrored acrylic top cover with engraving.






 


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