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A Shure V-15 Cart I Had Not Seen Before

the thin end of the wedge

A Shure V-15 Cart I Had Not Seen Before

Postby mrow2 » 21 Aug 2011 20:13

Anyone know which half-inch V-15 mount this might compare to?
It came to me in a trade, no idea what it is worth but I might consider keeping it and buying a stylus.

http://i114.photobucket.com/albums/n243 ... 5cartc.jpg

Any comments or suggestions appreciated, impedance around 1550 each side. Don
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Postby bluesun » 21 Aug 2011 21:30

I think yours may be closer in construction to the M97 series, based on coil resistance all the V15s (and its various iterations) seem to be 1350 ohm and below.

Resistance Inductance
M75 630 720
M91E 630 720
M92E 630 720
M93 630 720
M95 1550 650
M95ED 1550 700
M97ED 1550 700
M97xE 1550 650
V15 II 630 720
V15III 1350 500
V15 IV 1350 500
V15 VMR 815 330
V15 VxMR 1000 425
V15RS 1000 425

My personal fave, the VST III (1/2 mount), measures 1035 each channel. Possibly it's the same internally as V15 RS or even V15VxMR. The sound certainly has me believing it is!
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Correction

Postby mrow2 » 22 Aug 2011 03:52

I made a typo; the resistance was 1450 both sides. This puts it between the 1500+ M9x units and the V15III and IV. Age-wise, T4P designs would have been late 1980s or into the 1990s wouldn't they?

How to you achieve the reading for the second measurement (inductance) and what is its meaning?
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Another Correction

Postby mrow2 » 22 Aug 2011 06:41

After some research I determined T4P was invented by Technics in 1980, but I don't know how long it took for this standard to become commonplace. I'd guess this cartridge did not come along until much later than that, as deck manufacturers offered increasing selections of T4P turntables that would benefit from higher end cartridges. Likewise, the broader selection of T4P carts would come along when there were larger numbers of potential users.
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Postby dlaloum » 22 Aug 2011 09:15

With an impedance of 1550 it is probably the same engine as the M97, or the p-mount M111/110/99/94/92

The fact that it is labeled V15 probably indicates that it comes (came?) with a Hypereliptical stylus on a beryllium tube cantilever.

If it has the large shank opening (almost certain!) then the best replacement stylus will be a N97LT....

I have a V15HR-P which is the same generator (by measurement) as the 1000e, and even a Me75p that I have (1330ohm/520mH) - and also comes with a beryllium HE stylus - but in this case it is of a shape that allows fitting standard M97/M95 or V15Vx styli to the body.

With the plastic surround on the V15LT you need to us the appropriate DT series or LT series styli....

bye for now

David
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Postby KentT » 23 Aug 2011 14:19

Japanese makers touted P-Mount, no others used them. And the best Technics tables didn't use P-Mount, meaning the R&B (Recording & Broadcasting) line. Meaning the SP lineup. There were a few high end Technics which used P-Mount but few. Not accepted by the high end or professional markets.
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Postby dlaloum » 23 Aug 2011 15:20

KentT wrote:Japanese makers touted P-Mount, no others used them.


Revox seems distinctly european to me....
B295's were provided ex factory with p-mount starting I believe in the late 80's.... (just one example I am familiar with...)

And the best Technics tables didn't use P-Mount, meaning the R&B (Recording & Broadcasting) line.


In broadcasting they usually used heavy arms low compliance cantilevers and spherical styli..... how is this relevant to audiophile use? Typical broadcast cartridges are Stanton 500, Shure M44 and Denon 103 - all well regarded but far from high end.

Frequency response for AM need go no further than 10kHz and for FM 15kHz... - the requirements are VERY different.

At the time audiophile use involved eliptical, shibata or microline/ridge tips, high compliance, and arms as light as possible.

The same Technics motors and electronics were fitted to "domestic" use tables.... and those arms often had a p-mount option - either as a p-mount arm, or the SH90s p-mount headshell. (which I use)
The top of the line audiophile Technics (as opposed to broadcast use) had p-mount options.

Meaning the SP lineup. There were a few high end Technics which used P-Mount but few. Not accepted by the high end or professional markets.


Seems to me that the EPC100mk4 and the EPC310 cartridges were very well regarded indeed - current pricing for the p-mount (as opposed to integrated) cartridges seems to be around $1000.... (saw a couple sell just over the last month.... too rich for me!)

Seems to me not only was it accepted, but it still is, and in far higher demand than there are cartridges available.

The audiophile market has mostly shifted to low compliance .... a corollary of the shift to MC's....
There are and were fantastic high compliance cartridge designs - and many of these are and were p-mount...

Shure V15 family
Stanton 680 & 880 Family (along with Pickering relatives)
Empire/Azden-Piezo
Ortofon OM & 3xx/5xx family
etc... etc...

The real problem with p-mount was a question of timing - it came out at the same time as CD.... as a result it barely got a toehold on the market, when its main supporters (primarily Japanese - they owned the mass market at the time!) quit the TT market... Started winding down production, and stopped marketing new ideas... instead they phased out the R&D and TOTL "Halo" models, and ramped their way down to plastic fantastic turntables - which were unfortunately fitted with p-mounts.

Today, people like you keep the price of most high quality p-mount cartridges nice and low, so people like me can get hold of them cheap as chips. (well for all except the very best, and those, the p-mount versions go for twice the price of the standard mount and integrated versions!)

A p-mount has all the potential of a standard mount cartridge - while at the same time being easier to use - what's not to like!?

bye for now

David
(Defender of the p-mount.... wearing superhero lycra outfit with a large T4P on the chest)
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Postby plyscds » 23 Aug 2011 16:47

If you check one of the vintage Technics sites and view the pictures you will see that 1981 was the last year "S" arms with interchangeable headshells were used on entry level turntables. I never in principle liked the p-mount idea. I thought it would restrict cartridge design. I objected to it's potentially robbing me of replacement cartridge choices. I suspected that Technics believed the turntable market would soon dry up and that it should immediately begin cost cutting in it's vinyl playback products. Now I see that both formats are still supported, at least with cartridges and styli, if not with p-mount turntable production.

Though I have no p-mount turntables I have one p-mount cartridge, a Radio Shack RXP-3 I bought in the early '90s. It actually sounds pretty nice, although the flimsy vinyl adapter for slotted headshell use makes it a challenge to align. If I had a p-mount turntable I couldn't use most of my cartridges on it. I already have an AT-PL120 turntable that is finicky about which cartridges it will tolerate (hum-m-m), and that one, for now, is enough. But I remain curious about the p-mount format. What is living with a p-mount like? Since everything I know has cost either time or money, maybe someday I might decide to invest in one. After all, I do have that one p-mount cartridge...
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Postby nat » 23 Aug 2011 16:53

The big Technics tables with Pmounts (SL M series?) are nothing to sneeze at -- I found one at the dump with exactly that cartridge in it, and it was a fine sounding player. Unfortunately, the damper dried up and fell out of the stylus assembly...
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Postby dlaloum » 23 Aug 2011 17:00

Is can be fixed....

I use a Jico N97xe-SAS instead.... very good indeed!
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Postby mrow2 » 24 Aug 2011 03:50

This V15 LT has the smaller shank, as with others I've seen. I was thinking this cart might be in the V-15 Mark III family due to the V shape of the body as opposed to the square body of the type II.

I just parted company with my Harmon Kardon T55C

http://i114.photobucket.com/albums/n243 ... T55Cee.jpg

which had a P-mount cart in it. I have a lot of P-mount and half-inch mount carts, both types have been very good.

I've had my odd V-15 LT for sale but no takers. I am not "shure" I want to part company with the unit for a piddley 50 bucks.
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Postby LPfan » 25 Aug 2011 06:45

I have a V15V Pmount that came with a Revox linatrack arm. That cart looks identical to this one but is without the silver color hat. It can take Type III and IV stylus. If you want to know which fits better, give me time till Monday as am away from home right now.

Regards,

LPfan
Music is a universal language.
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Postby dlaloum » 25 Aug 2011 06:59

The V15V-P (which I have) takes the V15VMR styli - being narrow shank the V15III & IV styli will work too - but the cantilever resonance is tuned differently for these higher inductance cartridges...

Best results are with the V15VMR (OEM - microridge) V15VP (OEM HE) V15V (OEM HE) and V15VSAS (Jico SAS) styli....

bye for now

David
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Postby Snead » 25 Aug 2011 12:04

Sorry I'm late to this thread... and I can't believe someone hasn't correctly identified this thing as the p-mount version of the V15-IV. It came out around 1981 and was the top of the M92/94/96/97LT line.

Unfortunately, being a IV, it used a complicated stylus. There are no known aftermarket copies available, not even from JICO. Contrary to your ebay ad, the lesser M-series styli won't work, and even if they did, the frequency response would be off due to their heavier cantilevers.

TTN still has a genuine stylus for $210, so assuming a buyer went that way, your "piddly 50 buck" cartridge now costs $275+.

Maybe that's why you got no takers? :wink:
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