FM Radio

FM Radio is good in that you would listen at home to a live event when recording engineers mic'ed and broadcast via radio the symphony musicians. It's a bit like how you would hear Opera in your movie theatre, Sunday afternoons, only the benefit is that there is no recording ... no recording distortion.

Let's look at the FM Radio capability.

 

You get excited at first when you see the FM Radio frequency chart. Look at all that goodness. There's 30 Hz. Not so bad. There's 99 kHz. Pretty Good.

But then you realize that one channel (Stereo Left) is getting modulated into 15 kHz (38 kHz - 23 kHz). Stereo right, also 15 kHz (53 kHz - 38 kHz).

So, what do you have: just about that. The positive benefit is that the male adult has about that in upper-frequency hearing, so the Opera user, typically.

Channel separation is a loathefull 50 dB, even on a DaySequerra FM Reference 25th Anniversary model. Stereophile, Class A.

Signal to Noise: 78 dB.

JP 2015/10/15
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