NOS = New Old Stock. Long discontinued merchandise, but new and unused. I see it most often used in describing vacuum tubes. Dave Radlauer On Wed, May 13, 2015 at 11:20 AM, James Roth <[log in to unmask]> wrote: > A question if you will: > What does NOS stand for? > > Regards, > Ben Roth > > -----Original Message----- > From: Association for Recorded Sound Discussion List [mailto: > [log in to unmask]] On Behalf Of Shai Drori > Sent: Wednesday, May 13, 2015 12:35 PM > To: [log in to unmask] > Subject: Re: [ARSCLIST] Playing Edison Diamond discs > > I think I have a NOS VRII around here. Is it worth anything? > Shai > > On 11/05/15 4:28 PM, Dave Burnham wrote: > > Tom > > > > Perhaps I didn't make myself clear; when I used a VRII, it wasn't an > antique. GE had a luxury version with gold coloured metal and I got one of > those directly from the factory. My tracking force was around 2.5 to 3 > grams. Also, of course, you're right, a conical stylus would have put added > wear on the narrower parts of the groove, but I don't remember my LPs of > the day showing unusual wear from this effect. I'm talking about ca.1959 - > 1962, a time when all mono cartridges had little vertical compliance, > elliptical styli had yet to make an appearance and the VRII was still > considered a high end cartridge. Something I don't know, was 1 mil the > width of the cutting stylus, hence the widest part of the groove, or was it > a compromise between the different widths of the groove? > > > > db > > > > > > > > > > Sent from my iPhone > > > >> On May 11, 2015, at 7:53 AM, Tom Fine <[log in to unmask]> > wrote: > >> > >> Hi Dave: > >> > >> What are you tracking at? The groove-gougers, including those using the > old GE VR cartridges probably did the most damage by tracking too heavy. As > far as I know, the VR's can't track any lower than 2 grams, but that should > be OK if the alignment is A-OK and the tonearm is in working condition. > >> > >> For 78's, I think the wider grooves are somewhat heartier, so you can > track heavier and use a less compliant cartridge without doing damage. > After all, the records were designed to stand up to at least a couple dozen > plays with a steel needle tracking at a half-pound or so! > >> > >> That said, I just don't think a circa 1950 cartridge has the technology > to translate into electric signals all of the information in the grooves. I > just wouldn't go there, but I'm glad you guys using the antiques are > getting good results. > >> > >> -- Tom Fine > >> > >> ----- Original Message ----- From: "Dave Burnham" > >> <[log in to unmask]> > >> To: <[log in to unmask]> > >> Sent: Monday, May 11, 2015 12:28 AM > >> Subject: Re: [ARSCLIST] Playing Edison Diamond discs > >> > >> > >>> As I've said previously, I used the VRII successfully for many years > with no complaints. Certainly I would never play a stereo LP with this > cartridge, not even a mono compatible one, but I never noticed damage to a > mono LP or a 78 from using it. > >>> > >>> db > >>> > >>> Sent from my iPhone > >>> > >>>> On May 11, 2015, at 12:01 AM, Clark Johnsen <[log in to unmask]> > wrote: > >>>> > >>>> Agree totally with Tom -- in his first paragraph.>> Beyond that, > >>>> into the second one, he shifts from how well a cartridge (the > >>>> VRII) might play a record, into how it might wear a record out. > >>>> Those are two separate topics. While I myself have not experienced > >>>> the wear-out, owing to my discreet reluctance (not variable) to > >>>> press ahead with repeated playing, I can and do attest to its > >>>> ability however to get great sound out of 78s on the first playing. > >>>> And on the second. Which is all one needs to capture the signal. > >>>> > >>>> While I've said this before, perhaps it's worth repeating: As a > >>>> practitioner of "high-end audio" record playing, I have applied > >>>> many of those unusual procedures to my beloved 78s, to success. > >>>> Nowhere online have I seen anything about these practices, so what > >>>> should I do with this abstruse knowledge? Seriously. I'm asking. > >>>> > >>>> Please don't say, Make a cassette. Or, Make a CD. (I can't, > >>>> anyway.) One big improvement lies in the enhanced linearity of the > >>>> bass, which requires a full-range reproduction system to > >>>> appreciate, which most folks don't have. (Just sayin'.) > >>>> > >>>> clark > >>>> > >>>> > >>>> > >>>> On Sun, May 10, 2015 at 2:07 PM, Tom Fine > >>>> <[log in to unmask]> > >>>> wrote: > >>>> > >>>>> Hi Jamie: > >>>>> > >>>>> I agree with most of what you're saying, but guys like Doug > >>>>> Pomeroy, who have a long track record of making excellent-sounding > >>>>> remasters from disks can read chapter and verse why doing EQ in > >>>>> the digital domain doesn't work as well. See Gary Galo's article > >>>>> in ARSC Journal, too. That said, I'm not averse to taking > >>>>> something back out to analog, I've always had good luck with it, > >>>>> so I don't see that as taboo (ie do what you suggest -- a flat > >>>>> transfer and your 45/45 processing in the digital realm, but then > >>>>> I'd take it back out to analog for proper de-emphasis EQ). I also > >>>>> don't think it's possible to totally remove surface noise and, in > >>>>> the case of heavily damaged grooves, all the ticks and pops > >>>>> without serious, horribly audible digital artifacts. So going for > >>>>> "total removal of the disk medium" is a fool's errand, there comes > >>>>> a point where what's left is too thin sounding or inherently > >>>>> distorted so it's more annoying tham some surface noise masking > >>>>> the harsh distortion. The worthy goal that you're espousing, using > modern digital tools, is to get as much music content out of the grooves > and cancel out as much noise as possible. > >>>>> > >>>>> By the way, the description you wrote "the stylus is unyielding > >>>>> and gouges its way through pinch effect" exactly describes such > >>>>> record-wreckers as the GE variable reluctance cartridge. Those > >>>>> kinds of cartridges (including the cheapo 3-gram trackers included > >>>>> in the console systems) cored out the grooves on many a 1950's and > >>>>> 60's mono record, making them not worth buying even in the dollar > bins at record stores. > >>>>> > >>>>> -- Tom Fine > >>>>> > >>>>> ----- Original Message ----- From: "Jamie Howarth" > >>>>> <[log in to unmask]> > >>>>> To: <[log in to unmask]> > >>>>> Sent: Friday, May 08, 2015 6:27 PM > >>>>> Subject: Re: [ARSCLIST] Playing Edison Diamond discs > >>>>> > >>>>> > >>>>> I think what frustrates the discussion is that digital it is > >>>>> possible to > >>>>>> exactly duplicate what you are achieving mechanically plus a whole > lot more. > >>>>>> > >>>>>> It's not that the stylus is unyielding and gouges its way through > >>>>>> pinch effect (one hopes). It's simply not wired to communicate > >>>>>> what it's doing in that axis. There is nothing magical about > >>>>>> 45/45 coil placement that makes it suck compared to 90/0... You > >>>>>> want to use the GE? Terrific. It still moves vertically it just > >>>>>> couples the entire mass of the tone arm and bearing to that motion > rather than absorb it locally in the cantilever. > >>>>>> Terrific. > >>>>>> To each his own. > >>>>>> Every iota of geometry in the groove/stylus interface can be > >>>>>> deduced from 45/45. All of the mechanical noise cancellation or > >>>>>> the facsimile thereof achieved via wiring for 90/0 can be achieved > digitally, and then some. > >>>>>> I'll bet Ortofon says nothing about doing the declick and cleanup > >>>>>> from a non-de-emphasized digitization but it's a good idea before > >>>>>> all the bass boost and treble rolloff. Do the RIAA or whatever > >>>>>> curve afterward. Slap some on in the monitor so you know what > >>>>>> you're listening to. But preserve and restore right off the > >>>>>> cartridge. Don't bake in anything that loses information. > >>>>>> > >>>>>> Please pardon the misspellings and occassional insane word > >>>>>> substitution I'm on an iPhone > >>>>>> > >>>>>> On May 8, 2015, at 4:56 PM, "Goran Finnberg [log in to unmask]" > >>>>>> < > >>>>>>> [log in to unmask]> wrote: > >>>>>>> > >>>>>>> Dough Pomeroy: > >>>>>>> > >>>>>>> You are not the only responder to > >>>>>>>> have stated that a mono mix should be made before de-clicking > >>>>>>>> and other noise removal work is done. I have heard this view > >>>>>>>> stated in the past, but I can't agree. > >>>>>>> And now for the ultimate way to recover the most from any > >>>>>>> lateral cut mono disk record: > >>>>>>> > >>>>>>> http://ortofon.com/hifi/products/cartridges/2m-series/2m-mono-se > >>>>>>> > >>>>>>> "Why should you use a dedicated mono cartridge for playing vinyl > >>>>>>> mono records? > >>>>>>> > >>>>>>> On a mono record the signal is cut only in the lateral dimension > >>>>>>> whereas a stereo record is cut at +/- 45 degrees into the > >>>>>>> opposing groove-walls, see figure to the right. > >>>>>>> > >>>>>>> A stereo cartridge will be able to replay stereo and mono > >>>>>>> records, because mono is a special version of stereo where the > >>>>>>> right and left channels are identical. > >>>>>>> > >>>>>>> While a stereo cartridge can play mono records it can’t achieve > >>>>>>> the same signal precision between the two channels. A mono > >>>>>>> cartridge produces but one signal that is directed to both > >>>>>>> channels in the system. A mono cartridge playing a mono record > >>>>>>> produces a more forceful and stable image with a fuller, more > impactful sound. > >>>>>>> > >>>>>>> Another big advantage in using a mono cartridge to play mono > >>>>>>> records is the absence of response to vertical movement. This > >>>>>>> means that a mono cartridge is basically immune to the pinching > >>>>>>> effect which comes into action when the stylus is pushed > vertically upward in very narrow grooves. > >>>>>>> Also the response to dust, dirt and wear is reduced > >>>>>>> substantially. The final result will be a clean and noiseless > reproduction of the mono record. > >>>>>>> > >>>>>>> The listening experience will be significantly improved when > >>>>>>> using a high quality true mono cartridge for the replay of your > mono records." > >>>>>>> > >>>>>>> End Quote Ortofon. > >>>>>>> > >>>>>>> 1/ Complete removal of the pinch distortion that can reach up to > >>>>>>> 30 % second harmonic when played by a stereo cartridge. > >>>>>>> > >>>>>>> 2/ Free removal of dust dirt ticks and scratches and audible > >>>>>>> distortion caused by wear. > >>>>>>> > >>>>>>> 3/ Up to 20 dB less rumble by using an only horisontal sensing > >>>>>>> replay device that excludes the vertical component where all the > rumble hides.. > >>>>>>> > >>>>>>> Makes the uses of digital click/crackle/hiss removal tools much > >>>>>>> more effective. > >>>>>>> > >>>>>>> So ditch all your stereo catridges and play the disks as they > >>>>>>> were meant to be played !!! > >>>>>>> > >>>>>>> :-) > >>>>>>> > >>>>>>> > >>>>>>> I find the best contemporary digital > >>>>>>>> de-clickers are so good that they fully remove the distortions > >>>>>>>> caused by scratches. Once these and other defects are replaced > >>>>>>>> by sound synthesized from surrounding audio, they effectively > >>>>>>>> vanish and do not depend on mixing for removal. > >>>>>>> By using a true lateral responding device only then the digital > >>>>>>> noise removal tools work much faster since there is less to do. > >>>>>>> > >>>>>>> As you have mentioned, the stereo > >>>>>>>> transfer of a lateral recording allows distorted areas on only > >>>>>>>> one groove wall to be manually replaced by a less distorted > >>>>>>>> section from the corresponding section from the opposite wall, > >>>>>>>> and this is indeed a powerful tool. > >>>>>>> And you have lost 3 dB S/N that is free when using a lateral > >>>>>>> responding device only. > >>>>>>> > >>>>>>> A mono mix prior to de-clicking just > >>>>>>>> combines the non-vertical noise from both channels. I find > >>>>>>>> processing the stereo before making the mono to be a superior > >>>>>>>> approach, but I understand there are those who disagree. > >>>>>>> Thus the noise increases 3 dB because it is not correlated ie is > >>>>>>> not in phase between L/R. > >>>>>>> > >>>>>>> The audio signal, is identical on the left or right track thus > >>>>>>> when combined increases by +6dB thus we always gain +3 dB net by > >>>>>>> using a lateral responding device which we get by summing L+R. > >>>>>>> > >>>>>>> It´s free. to do. > >>>>>>> > >>>>>>> But then the very best to get the most out of any lateral > >>>>>>> recorded disk is a lateral responding, mono only, cartridge as > stated by Ortofon. > >>>>>>> > >>>>>>> Because then we remove all the imperfections in using a stereo > >>>>>>> cartridge trying to extract the audio from lateral cut disks. > >>>>>>> > >>>>>>> The EMT OFD65 with a truncated elliptical is very good for 78´s. > >>>>>>> > >>>>>>> And it is a lateral responding only device too. > >>>>>>> > >>>>>>> > >>>>>>> -- > >>>>>>> Best regards, > >>>>>>> > >>>>>>> Goran Finnberg > >>>>>>> The Mastering Room AB > >>>>>>> Goteborg > >>>>>>> Sweden > >>>>>>> > >>>>>>> E-mail: [log in to unmask] > >>>>>>> > >>>>>>> Learn from the mistakes of others, you can never live long enough > to > >>>>>>> make them all yourself. - John Luther > >>>>>>> > >>>>>>> (\__/) > >>>>>>> (='.'=) > >>>>>>> (")_(") Smurfen:RIP > > -- > Cheers > Shai Drori > Timeless Recordings > [log in to unmask] > בברכה, > שי דרורי > מומחה לשימור והמרה של אודיו וידאו וסרטים 8-35 ממ. > -- hm# 510-848-8323 cell# 510-717-5240 www.JAZZHOTBigstep.com