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Old 8th February 2004, 02:01 PM   #11
sreten is offline sreten  United Kingdom
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Where I got the picture from listed it as unavailable.

Its not listed on audio technica's site, so only NOS.

sreten.
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Old 8th February 2004, 05:06 PM   #12
KBK is offline KBK  Canada
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Default Don't make me do it!

Don't make me trudge out to the garage, shovel the ice and snow in front of the door...and get my box of 40 or so dead/unused cartridges... mostly MC's..ug. It's a sad looking box, full of sad dead stories (but fun lives!) worth about $25-30K when all new.... (No, I was not dense enough to buy them all new!) But in that box, are two AT30's or maybe I think they were AT35's? I have the AT33ML, a rockin' cartridge if there ever was one. I blew the suspension out on that beauty with a maplenoll 'stupid mass' air bearing arm. I'm also crazy enough to have attempted to re-stress the cantiliver/suspension systems on them, since they are all useless (as they are) anyway. You can un-do the small set screw, and retighten/align them! but..does it work right afterward..and does it trash records? That's the scary part. So I try..but well...the records are worth more than the lousy dead cartridge, so in the box it goes...
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Old 8th February 2004, 07:40 PM   #13
KBK is offline KBK  Canada
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Default Lots of snow and sweat later......

OK.

AT30HE MC Cartridge:
15hz-25khz
2mv@5cm sec.
sep:@1k 29db
-----@10k 20db
channel balance 1db
0.3x0.7mil bi-radial nude
Tracking force range:1.4-1.8g
VTA 20deg.
recommended Load Impedance: 47kohms
5.0grams total mass

Repalcement Stylus:ATN30HE

I have the AT35E, which is 0.2x0.7, nude, square shank, with a 10 ohm recommended load, and a 0.4mV output. 4.3 gram weight.

No date infrmation on the paperwork anywhere.

The Signets are 'select' AT units,and are model: AM40, which is the last unit in the line that is MM,ans is jsut below the AT-09MC unit. I have six dead ones. NIB-DOA.....
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Old 8th February 2004, 07:48 PM   #14
sreten is offline sreten  United Kingdom
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http://www.musonic.co.uk/styliaudiotechnica.htm

have the replacement for AT30E and AT31E, 75.

sreten.
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Old 8th February 2004, 07:57 PM   #15
KBK is offline KBK  Canada
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After looking at the cartridges, we must be talking about two different units, as thse are MC units so they have coils attached to the back end of the stylus/cantiliever assembly. Very expensive.

Well, If I have to, I can track down the specs via my collection of AV magazine annual buyers guides, which is nearly complete from two different rags, back to 1978 or so.

In the meantime, I'll go back to the onerus task of rescuing/modding/ rebuilding a SUMO Andromeda power amp. A nice little Sunday afternoon project. I'm beefing the unit up to 100kuf in the PS as one of the mods...hard wiring everything to get rid of the connectors, etc.
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Old 11th February 2004, 01:26 PM   #16
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Thanks to all for this very useful information.

I agree that we are discussing two different cartridges here. Mine certainly doesn't have 2mV output or require a 47K load, it really needs the low input-impedance step-up transformer. I haven't examined it lately to see if it's a replaceable stylus.

I'll be buying vinyl again! Weird, haven't done that for years. Shame all the second hand record shops in Cambridge have closed to make way for shoe shops.

Cheers!
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Old 11th February 2004, 03:48 PM   #17
qwad is offline qwad  Australia
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hi, don't give up on vinyl, there's still plenty of it about s/h from the salvo's op shop where I do most of my rummaging you can still turn up some rare gems like direct cut sheffield labs, etc; and so on though the quality may be questionable? cheers TC
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Old 12th February 2004, 04:22 AM   #18
KBK is offline KBK  Canada
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oh! In the box I found a brand new Grado Reference platinum, a Denon 103D, a Shinon MV2.5 and a Ortofon MC20 Super! makes my day.
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Old 12th February 2004, 04:27 AM   #19
KBK is offline KBK  Canada
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Now If I could only reach in there and magically pull out a Shelter, Benz, Van Den Hul, Clearaudio, anything......
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Old 14th February 2004, 01:42 AM   #20
KBK is offline KBK  Canada
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Found the specs in a 1985 annual. 0.4 mV, 1.4-2.0 tracking, wich means optimal is halfway between. $160 in 1985. 3x7mil stylus.
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