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In the Forum: Analog Playback
In the Thread: Tape Machines
Post Subject: The BIGGEST SINGLE ADVANTAGE to tapePosted by rowuk on: 6/16/2023
...is the head gap in the recording head. This head gap works as a low pass filter because the size of the gap determines the highest frequency that can be recorded. This "brick wall filter" is and was a HUGE benefit to playback simply by getting rid of problems caused by out of band signals and noise.
Quality FM radio also had a filter that kept the 19 khz stereo modulation carrier out of the signal. Even although this often chopped off everything above 16 khz, the playback still could be very spectacular.

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