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Re: [ARSCLIST] 1937 shellac test pressing outperforms audio CD
On Thursday, April 02, 2009 11:10 AM, Michael Biel wrote:
> But they could be harmonic ringing of the mechanics of the cutter
> head--the other mechanical device in the chain. You have to
> consider the source feeding the recording head--the microphones
> and amplifiers.
Indeed! I'm hitting the drawing board looking for a ringing coil
somewhere (mic, cutter, or cartridge). Time for me to double check
*everything*. I've heard that the Westrex cutters were more prone
to ringing than the Neumanns, but I don't know what cutters were in
use at RCA in 1937.
There are some new bits in my playback chain - time to shake things
out yet some more.
> While you are at it, I'd like to see what you measusre on Western
> Electrtic Wide Range Vertical Recordings such as used by World,
> Associated, and Muzak.
Me, too! I don't have any such recordings to test with at the
> There is evidence that Victor "dumbed down" their recordings,
> so it is important that you have access to those test pressings
> which might not have been compromised. But maybe some of the
> things Victor was polishing off were cutter-head transient
Very interesting bit of history, that.
Thanks for all the great feedback.
The Audio Archive, Inc.
Disc and Tape Audio Transfer Services and Preservation Consulting