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echo: tech
to: Bob Ackley
from: Roy J. Tellason
date: 2003-05-23 20:00:48
subject: 16 2/3 Speed LP

Bob Ackley wrote in a message to RUSSELL TIEDT:

 RT>> Just to report on my using GoldWave to "convert" a 16
2/3 LP played
 RT>> at 33 1/3  speed to a state where it sounds, like it should, ie.
 RT>> replays at correct  speed, well to the best of my knowledge it
 RT>> worked very well, unfortunately I  don't have a 16 2/3's player to
 RT>> be able to compare what I have and how it  sounded when played back
 RT>> as intended.

 BA> I *might* have one somewhere around here.  I know I used to have
 BA> one.  IIRC that speed was mostly used for vocal transcriptions such
 BA> as speeches or readings, it's too slow for any reasonable high
 BA> frequency response.  A similar problem existed with the 1.875 ips
 BA> tape speed in reel-to-reel tape recorders, I have a machine that
 BA> will do it but the fidelity isn't too good (compared to 7.5 ips).

I've seen speeds of half that.  But like you say,  not much fidelity.  I
was at a radio station one time that was pretty heavily automated,  and a
lot of what was going out over the air was on either "carts" or
on big reels of tape,  which seemed to pretty much *crawl*,  compared to
the way I was used to seeing them move.

 BA> I *can* do 33.33, 45, and four flavors of 78 (76.16 thru 80) - the
 BA> nominal 78 rpm wasn't really a standard and different manufacturers
 BA> used different speeds (Edison used 80 rpm).

Wow.  Are the old records marked,  or what?  I have some vague recollection
of some sort of a mechanical speed control,  that would vary it just a bit.
 This may have been on an *acoustic* record player -- no electronics in it
at all.  I've seen a few of them.

 BA> I can also do 16" diameter transcriptions (if I ever manage to 
 BA> find a place to set up the turntable).

I have one turntable at this point,  ceramic cartridge and only 33/45
speeds,  it's not anything special.  I wouldn't mind getting my hands on
something that would do a bit more of the job,  with four speeds,  at
least.

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