[78-L] Frequency Response/Range for 78's

[Milan P Milovanovic]

----- Original Message ----- 
From: "David Lewis" <uncledavelewis at hotmail.com>
To: "78-l" <78-l at 78online.com>
Sent: Saturday, July 28, 2012 9:11 PM
Subject: [78-L] Frequency Response/Range for 78's



>>>>One thing I'd like to know is why if the frequency response was 
>>>>expandedin 1938 why those records sound worse than the ones from 1932. 
>>>>You ofanyone is familiar with the tortured history of Artie Shaw's 
>>>>"Frenesi," bornwith a bad buzz which just got louder and louder with 
>>>>each reissue. >>>>

Is it true that "they" intentionally "spoiled"  frequency response on 78 rpm 
records recorded after 1932. by constriction to around 7 kHz or so, because 
of the fact that such recorded records were more resistible to groove wear 
when played on acoustic playback machines?