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Telefunken Magnetophon 21



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Brand: Telefunken

The Telefunken Magnetophon 21 is an iconic tape recorder that was produced by the German company Telefunken in the mid-20th century. It was one of the first magnetic tape recorders to be commercially available and was initially developed for military and scientific purposes during World War II.The Magnetophon 21 uses a helical-scan recording head to record audio signals on a thin strip of magnetic tape that passes through the machine at high speeds. This technology enabled the high-fidelity recording of audio signals with exceptional clarity and accuracy, making it a crucial tool for musicians, broadcasters, and researchers alike.Some notable features of the Magnetophon 21 include its robust design, which featured high-quality components and rugged construction, making it a reliable workhorse for many years. It also featured a built-in speaker, enabling users to listen to recorded audio directly without the need for an external amplifier.The Telefunken Magnetophon 21 had a significant impact on the development of audio technology, paving the way for the widespread adoption of magnetic tape recording in the 20th century. It served as a precursor to the development of cassette tapes, open reel tape recorders, and other forms of tape-based storage media, which continue to be used in many applications today.Overall, the Telefunken Magnetophon 21 is a testament to the innovative spirit and engineering prowess of the German electronics industry, and its legacy continues to inspire and influence the development of modern audio technologies.



  • Track system: stereo system
  • Equalization: NAB, CCIR
  • Heads:
  • Motor: 2 x reel, 1 x capstan
  • Reel size: up to 12.5 inch
  • Tape speed: 3 3⁄4   7 1⁄2   15 ips
  • Wow and Flutter: 0.04%  (15 ips)
  • Frequency Response: 20Hz to 20kHz  (15 ips)
  • Signal to Noise Ratio: 55dB
  • Distortion: 0.6%
  • Crosstalk:
  • Analogue Inputs:
  • Analogue Outputs:
  • Dimensions: 277 x 483 x 525 mm
  • Weight: 45 kg
  • Year:
  • Price:

Telefunken Magnetophon 21



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