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[ARSCLIST] NAB vs. DIN recordings
I would like to query the collective wisdom of this list for
facts/studies/specific anecdotes as to the pervasiveness of DIN
(100-mil) 2-track 1/4-inch heads on used Studer tape machines. I have
found them on machines both from the CBC and on machines believed to
have spent most of their life in Southern California. While it is
more prevalent on Studer A807s, there is no shortage of DIN heads for
A810s as well.
Of course, in common Studer parlance, the DIN heads were generally
referred to as "Butterfly" heads, but that is risky as the angled
pole pieces have been used for NAB implementations by other
manufacturers, and other manufacturers' DIN heads have parallel pole pieces.
We have four possible combinations of track width and EQ if we stick
NAB Head, NAB Eq (assumed to be standard)
NAB Head, IEC Eq
DIN Head, IEC Eq (assumed to be standard)
DIN Head, NAB Eq
I'd like to know about the applications of DIN heads and IEC Eq in
North America. I would also be interested in the common speeds used
for each of the four combinations that you are aware of. Of course
for 30 in/s the IEC/NAB Eq question goes away and we have the AES Eq
for all modern work.
It is becoming a bigger question than I thought and I'm trying to
understand the spread and the implications.
Richard L. Hess email: richard@xxxxxxxxxxxxxxx
Aurora, Ontario, Canada (905) 713 6733 1-877-TAPE-FIX
Detailed contact information: http://www.richardhess.com/tape/contact.htm
Quality tape transfers -- even from hard-to-play tapes.