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Re: [ARSCLIST] NAB vs. DIN recordings
on 3/25/07 3:25 PM US/Central, Richard L. Hess at arclists@xxxxxxxxxxxxxxx
wrote:
> We have four possible combinations of track width and EQ if we stick
> with standards:
> NAB Head, NAB Eq (assumed to be standard)
> NAB Head, IEC Eq
> DIN Head, IEC Eq (assumed to be standard)
> DIN Head, NAB Eq
>From 5.2.3.3 of Choosing and Using MRL Calibration Tapes, [etc.]:
Effect of Track Width on Two-track Recorders:
There are three different "standard" widths for two tracks recorded on 1/4
inch (6.3mm) tape; the Ampex Standard (the original two-track de facto
standard), 1.9mm, the NAB standard (used by almost everyone else but Ampex),
2.1mm; and the IEC "stereo" format, 2.8mm. Put more cynically, the track
widths for two tracks on 1/4 inch tape are _not_ standardized.
--
Parker Dinkins
MasterDigital Corporation
Audio Restoration + CD Mastering
http://masterdigital.com