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Re: [ARSCLIST] Dynagroove, was Record tracking
They compressed it, rolled off the bass and purposely introduced distortion
in the inner grooves. It was a variable EQ process too, boosting lows in
quiet passages and rolling off treble near the inner grooves. I don't know
why, they just did.
http://www.stereophile.com/asweseeit/95/
From Chesky records:
http://72.14.207.104/search?q=cache:_MiBXs21JCUJ:www.chesky.com/core/body_librarydetails.cfm%3Fnewsid%3D171+rca+dynagroove+process&hl=en&gl=us&ct=clnk&cd=5
This reissue choice by Chesky is an especially interesting one. The original
shaded dog release of this recording (catalog no. LSC-2614) was the first
classical recording by RCA issued with the Dynagroove process. For those
unfamiliar with Dynagroove, this was an attempt by RCA to make their
recordings playable on inexpensive phonographs by compressing and limiting
dynamics, as well as boosting the bass during quiet passages. As history has
tragically shown, this was the first step taken by RCA's corporate
management along the path to destruction and ruin of a once great company.
This recording was originally engineered by Lewis Layton and produced by
Richard Mohr, the very same team that produced some of the greatest RCA's
made at Orchestra Hall Chicago. Unfortunately, the original shaded dog that
I own of this recording is anything but great, with the dynagroove process
turning a very good performance into a wheezing mess. On this dynagroove
doggie you can hear the equalization of the low bass and the truncation of
the dynamic contrasts take place quite clearly.
The Chesky Records reissue is thankfully cut from the original 30 ips
session tape, thus avoiding the dynagroove equalized production tape. This
Chesky reissue was engineered by Jeremy Kipnis and Rick Essig at the
Frankford Wayne Mastering Labs in New York. This re-mastering, like all the
other Chesky re-mastering, was apparently done directly from the original
three track session tape with no equalization or other processing done.
a quote from another site: "About the time the Ravel was recorded, RCA had
developed its ill-advised Dynagroove process for mastering LPs, which
leveled dynamic range and boosted high frequencies in an attempt to make
recordings sound better on less-expensive equipment (of course they sounded
dreadful on quality hi-fi sets)."
----- Original Message -----
From: "Lou Judson" <loujudson@xxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxx>
Sent: Sunday, February 12, 2006 7:13 PM
Subject: [ARSCLIST] Dynagroove, was Record tracking
Pardon this if it is OT - I am curious about this. I have only heard a few
Dynagroove records, and rather than do laborius research, can someone
describe what is going on with them?