Uploaded April 2018 | Updated September 2026, 1 week ago
The waveform at the record head of a Marantz 1820 cassette deck. What you see is the audio and the bias waveform. This waveform looks a little like an AM-modulated waveform. The machine was in the record mode. For contrast, I also show an AM-modulated waveform.
The waveform at the record head of a Marantz 1820 cassette deck. What you see is the audio and the bias waveform. This waveform looks a little like an AM-modulated waveform. The machine was in the record mode. For contrast, I also show an AM-modulated waveform.
