Re: [ARSCLIST] Stereo records.

To: ARSCLIST@xxxxxxxxxxxx
Subject: Re: [ARSCLIST] Stereo records.
From: Lou Judson <loujudson@xxxxxxx>
Date: Fri, 16 Jun 2006 10:04:15 -0700
Comments: To: Association for Recorded Sound Discussion List <ARSCLIST@loc.gov>
In-reply-to: <20060616162343.48116.qmail@web42104.mail.mud.yahoo.com>
List-archive: <http://listserv.loc.gov/cgi-bin/wa?LIST=ARSCLIST>
List-help: <http://listserv.loc.gov/cgi-bin/wa?LIST=ARSCLIST>, <mailto:LISTSERV@LISTSERV.LOC.GOV?body=INFO ARSCLIST>
List-owner: <mailto:ARSCLIST-request@LISTSERV.LOC.GOV>
List-subscribe: <mailto:ARSCLIST-subscribe-request@LISTSERV.LOC.GOV>
List-unsubscribe: <mailto:ARSCLIST-unsubscribe-request@LISTSERV.LOC.GOV>
Message-id: <e67599919dc035b6568f985dde1da491@mac.com>
References: <20060616162343.48116.qmail@web42104.mail.mud.yahoo.com>
Reply-to: Association for Recorded Sound Discussion List <ARSCLIST@xxxxxxx>

Thanks - sounds like a microgroove to me! I find the diagrams of the changer mechanism very interesting - it is a clever design indeed.

<L>

Lou Judson • Intuitive Audio
415-883-2689

On Jun 16, 2006, at 9:23 AM, David Breneman wrote:

In their original paper on the format, RCA specified "...a
1-mil radius as the minimum for the reproducer stylus and a
90-degree, 0.25-mil bottom radius groove" with a tracking
force of not more than 5 grams.  A PDF of the paper is here:

http://tildebang.com/jukebox/rec_and_changer_comp_design_45.pdf

References:
- Re: [ARSCLIST] Stereo records.
  - From: David Breneman

Prev by Date: Re: [ARSCLIST] Repairing (or purchasing) a Uher
Next by Date: Re: [ARSCLIST] Bluegrass repository?
Previous by thread: Re: [ARSCLIST] Stereo records.
Next by thread: Re: [ARSCLIST] Stereo records.
Index(es):
- Date
- Thread

[Table of Contents]

Re: [ARSCLIST] Stereo records.

[Subject index] [Index for current month] [Table of Contents]