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Re: [ARSCLIST] 7" NAB reels, was: Reel-to-reel preservation supplies?
--- Lou Judson <loujudson@xxxxxxx> wrote:
> Wow, times sure have changed! Every commercial open reel tape I
> saw came on them, and we used to put our most valuable recordings
> them in radio and studio work. Bob O says that they used to be
> "flutter-free" reels, as the larger hub keeps machine spooling
> motor variations from affecting the playback.
> Ther's a photo of one at
That's not an NAB hub, that's an EIA hub. The only reel
with an NAB hub on the other page you link to is the one
at the bottom for 1/2" tape. We may be experiencing a
disagreement on the meaning of "hub". :-) The EIA hub has
a 1/4" hole with three thin tabs on it, with the provision
for a drive puck a little bit farther out from the center
than the tabs. The NAB hub has a 3" hole with three
wider tabs. As far as I know, the diameter of the subsequent
hub upon which the tape wraps is not part of the distinction,
but I welcome informed correction. :-) I've got hundreds
of tapes on low-torque spot reels and 7" reels, but I've
always seen them referred to as low-torque EIA reels.
David Breneman david_breneman@xxxxxxxxx
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