Wednesday, September 20, 2017

Cassettes type II have nice 70μs premphasis


Having said that, chrome commercial classical music cassettes use type I premphasis (see cassette Wikipedia) and sound great too.


Examples of 70μs premphasis.


1/4 inch reel tape.


FM radio in some territories.


There is something mice about 70 milliseconds.


Is it the way peak limited high frequency content is founded on playback by the inverse low cut filtering of mathematical integration.






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