[78-L] WE disc cutting system

[Robert M. Bratcher Jr.]

Good answer. Thank you.....




________________________________
From: Royal Pemberton <ampex354 at gmail.com>
To: 78-L Mail List <78-l at klickitat.78online.com>
Sent: Tue, April 12, 2011 5:45:30 PM
Subject: Re: [78-L] WE disc cutting system

The 'arm' in this instance being the block of aluminium onto which a
suitable cutting stylus is cemented.

On Tue, Apr 12, 2011 at 11:39 PM, Michael Biel <mbiel at mbiel.com> wrote:

> On 4/12/2011 2:53 PM, Doug Pomeroy wrote:
> >
> > Hi,
> >
> > There are many others who know more about this than I do, but
> > here's my understanding:
> >
> > The long piece of rubber was incorporated to absorb (dampen),
> > resonances in the arm, which otherwise got reflected into the
> > cutter head, causing nonlinearities in the recordings.
> >
> > DOug
> >
>
> Let me add that "Arm" does not mean a tone arm or support that the
> recording head would be mounted on.  There is a rod that is attached to
> the armature of the cutting stylus, and this is encased in rubber.  The
> rod and rubber line is about six inches long and sticks out from the
> side of the recording head.
>
> And I agree that Nick is the real expert.
>
> Mike Biel  mbiel at mbiel.com
> >> From: "Robert M. Bratcher Jr."<rbratcherjr at yahoo.com>
> >>
> >>
> >> How did the rubber line work (in the disc recorder) anyway? How was
> >> it used&
> >> what was it for?
> >>
> >>
> >>
> >>
> >> ________________________________
> >> From: Doug Pomeroy<audiofixer at verizon.net>
> >>
> >>
> >> The one guy who probably could is Nick Bergh, located in
> >> Burbank.? He knows as much about the WE cutting systems
> >> as anyone, anywhere, and he himself owns much of the original
> >> equipment.? But whether he has a gravity-driven cutter (which
> >> is what Peer used), I doubt.
> >>
> >> Note, Nick can be contacted at the upcoming ARSC conference,
> >> where he's giving a talk.
> >>
> >> Doug Pomeroy
>