[Vintage-Audio] Re Revox Models

[Fred Olsen]

Duane Fischer, W8DBF wrote:
> do not know how true this is, that the two track deck had two vu meters and the
> four track had four VU meters.	
etc.
> Hence, I think we are confusing tracks here. Correct me here, but are there not
> stereo two track machines for quarter inch tape that are one direction and use
> 1/8 inch per track?
etc.

Duane, this discussion has been mixing "four track" with "quarter-track" 
and "two track" with "half-track".  Speaking about stereo machines using 
quarter inch tape, a half-track machine uses (somewhat less than) an 
eighth inch per track, or channel, and runs in one direction.  A 
quarter-track machine uses (somewhat less than) a sixteenth inch per 
track, or channel, made up of tracks one and three in the forward 
direction and two and four in the reverse.  And except for the R/P head 
it's the same with either manual reverse (flop the reels) or auto 
reverse.  A quarter-track stereo machine still has only two channels.
(All of that subject to errors of recall; anyone please correct me if 
required.)

There were some "quad" decks which had four channels and four meters and 
used a quarter-track transport in one direction only.  Thank goodness 
quad died its well-deserved death.

With half inch and one inch decks you're getting into the realm of pro 
gear and there are several variations, but most run in only one direction.

Fred
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