[78-L] Acoustic v. radio

[Per Ahlin]

In Europe the assigned medium wave radio frequencies were 9 kHz apart 
giving each station a 4500 Hz span (since they were not broadcasting 
single sideband).

Per Ahlin

> 
> How did early radio sound compare with acoustic recordings?
> 
>        Julian Vein
>

Adress:  Per Ahlin              Telefon:  08 6698938 (hem)
         Tideliusgatan 15, 4tr            08 6698270 (firma)
         118 69  STOCKHOLM                08 6586799 (fax)