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Re: [ARSCLIST] Stereo records.



Just like there's a subset of people today who have junk cheapo CD players and then make the blanket statement that "all digital" or "all CD's" sound "bad," so back in the day some people tried to play back high-fidelity LPs on junk record players with dulled needles and, indeed, these abominations would jump the groove on some loud passages on some records. But any Mercury (and I'm sure any RCA) classical record was cut to be played back on any acceptable record player, so this was not a common problem. I suspect this mythology entered the lexicon from a disgruntled owner of a windup phono with a flattened needle who tried to return one of these records and was told to pound salt.

-- Tom Fine

----- Original Message ----- From: "phillip holmes" <insuranceman@xxxxxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxxxxxx>
Sent: Friday, June 16, 2006 9:07 PM
Subject: Re: [ARSCLIST] Stereo records.



One other thing. They could cut some radical stuff back then when they wanted. George Piros cut stuff that was impossible for the average consumer to play back on his/her Magnavox/RCA/Columbia changer. Most turntables had horrible tonearms with horrible bearings, no overhang adjustment, and cartridges with conical diamonds. What's the first elliptical stylus? The Shure M3D? And they tracked at 3 grams. So they had to cut big easy to negotiate grooves. I've heard anecdotal stories that RCA and Mercury got complaints from customers who couldn't get their cartridges to play their records, even to the point that the cartridge was "knocked out of the groove". The cannon fire on the Mercury 1812 could do that.
Phillip
----- Original Message ----- From: "Michael Shoshani" <mshoshani@xxxxxxxxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxx>
Sent: Friday, June 16, 2006 3:46 PM
Subject: Re: [ARSCLIST] Stereo records.



On Friday 16 June 2006 10.25, Lou Judson wrote:

Curiosity quibble - isn't the groove on a 45 midway between microgroove
and 78 size? Is there a specific name for it, or is it really
considered microgroove like Lps? I see a distinct difference,
visually... or is that just the larger excursion?

I think it depends on the 45...for EPs they cut really fine, low-modulation grooves, but I noticed when I was a kid in the 70s that more recent stereo 45s had grooves that were not as fine as LPs, but not nearly so coarse as mono 45 grooves from the 1950s. Pick up a 1950s pressing of an average R&B or rock'n'roll record and you'll see the grooves are larger than modern grooves, plus the pitch is wider and the modulation is almost as wide as some 78s were.

Michael Shoshani




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