Sigmatech ATP520


This wild looking boombox is a Sigmatech  ATP520. It has a distinctive disco lite look to it. It featured:

  • Weight: 18 pounds
  • Dimensions: 28 x 14 x 6 inches
  • 10 band equalizer
  • Dual cassettes
  • Four speakers
  • FM/SW1/SW2/MW
  • Wired remote

Update 1-23-2011: A Sigmatech in good shape but with marginally functioning cassette decks sold for just over $400.

Update: 12-2018: A sigmatech sold for $283. It worked but had a few issues.

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4 thoughts on “Sigmatech ATP520

  1. I have this exact model and it is fully functional I am willing to sell it at $400 US dollars. Email me at house_to_home_82 @ serious inquiries only and no spam. this is a great piece of music history at an even better price great condition and all working properly

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