Thanks, a stereo cart must be a whole different critter. II, 22. . . I got
On Sun, Apr 15, 2018 at 6:14 PM, Mickey Clark <[log in to unmask]> wrote:
> Clark-I think you're talking about the VR-II - the VR22 - Golden
> classic/Stereo Classic is a stereo cartridge. I don't think they even make
> 78 needles for it. An Audax is a professional pressed steel 16" arm I used
> Rubber renu (MGChemicals) on the stylus before I installed it - softened
> like a gem. The -Mickey
> -----Original Message----- From: Clark Johnsen
> Sent: Sunday, April 15, 2018 2:36 PM
> To: [log in to unmask]
> Subject: Re: [ARSCLIST] Variable Reluctance Stereo Cartridges was "High
> Def vinyl?"
> Yes, the GE VR22. Wonderful cartridge for 78s. I still use the one I had in
> junior high! Plus a couple others.
> Your analysis is I think mostly correct. The arm however may be more
> critical than you say. Modern arms are not built to withstand the powerful
> shaking that comes with 78s, not to mention that the GE is an
> ultra-low-compliance design and transfers much (if not all) of its residual
> mechanical energy to the arm. This situation might also cause some of the
> sonic problems you hear.
> I also have some Fairchilds (#220 IIRC) formerly much used in radio
> broadcast studios, but they don't seem to do the trick.
> Finally I don't load the GEs with 47K, but rather feed them straight into
> the first stage of the preamp (a Dynaco here).
> What John Haley writes sounds plausible, but can also be solved (ahem!)
> digitally. But we don't want that, do we?
> On Sun, Apr 15, 2018 at 3:44 PM, Mickey Clark <[log in to unmask]> wrote:
> The problem with vinyl is cartridge inadequacies
>> One major reason for my preference for 78s is the presence.
>> I can only achieve the quality that I strive for by playing a 78 slow.
>> What I hear when playing a stereo record is a sense of lack of mid-range
>> texture. I use a Shure M97 cartridge for slow dub 78s only. I find that
>> the sound is compressed when I play a 78 at full speed. This is due, I
>> believe to the flexing of the cantilever assembly in the cartridge. Less
>> so than an M44 which has a thicker and thus more rigid cantilever. On a
>> 1/3 I hear sibilants popping out at you with a washed-out quality of
>> mid-range. The location of the pick-up in many stereo cartridges is
>> the body of the cartridge. The vibrations relayed by the cantilever are
>> accurate for bass - i.e. the stylus can reach the peak of a wave form
>> without flexing because there is adequate time for it to achieve this.
>> frequencies are far smaller and can be tracked adequately as well.
>> The problem is the mid-range frequencies - a cantilever assembly will flex
>> slightly, not reaching the full amplitude of the wave form. In the case of
>> a tuba, you will tend to hear the fundamental of the note which will
>> overpower the overtones which give the sound more character.
>> The General Electric VR22 - Golden Classic - variable reluctance
>> cartridges address this issue by working in an entirely different manner.
>> The magnet is on the very tip of the cantilever . The relationship of the
>> magnet with the two metal nodes that protrude from the cartridge induces
>> magnetic fluctuations which are picked up by two coils within the body of
>> the cartridge. The cantilever in this design is only a ground in the
>> circuit and does not need to be rigid in order to perform it's function.
>> As I was curious about this cartridge, I found a new-old stock 1960 Golden
>> Classic which I have mounted on a ca. 1935 Micro transcription turntable
>> with a professional Audax tone arm.
>> The following link is to comparative samples of Renata Tebaldi singing Un
>> Bel Di from London issue of Madame Butterfly. Original sample rate
>> 96,000/24 resampled to 44,100/16. I ran a very low dehum filter to both
>> maximized the levels for comparison (so at least the peaks are in line
>> each other. As I expected, the GE golden classic retains more of the
>> of the voice and the strings have more presence.
>> I prefer the 58 year old cartridge on the 85 year old Micro(later McCurdy)
>> to the Shure on a Technics SP-15 -Mickey
>> -----Original Message----- From: Lou Judson
>> Sent: Sunday, April 15, 2018 9:07 AM
>> To: [log in to unmask]
>> Subject: Re: [ARSCLIST] "High Def vinyl?"
>> It in’t so surprising to me that it is sourced from digital - there is no
>> economical way to record analog any more - the question is, has it been
>> damaged by poor digital practices?
>> Lou Judson
>> Intuitive Audio
>> On Apr 14, 2018, at 8:14 PM, Corey Bailey <[log in to unmask]>
>> From digital to analog.
>>> Verrry Interrresting!
>>> Corey Bailey Audio Engineering
>>> On 4/14/2018 4:37 PM, John Haley wrote:
>>> Ah, Lou. Almost the same analogy I made, before seeing your email.
>>>> John Haley
>>>> On Sat, Apr 14, 2018 at 7:27 PM, Lou Judson <[log in to unmask]> wrote:
>>>> Verrrry Interrresting as Arte Johnson used to say: <
>>>>> But will it be playable? They say so, but the proof is in the playing…
>>>>> still suseptible to dust, scratches, clicks and pops!