Recent content by jonpol3000

Interesting... so the slot runs left to right? In that case maybe I can set my arm to the right distance...

Thanks, that's very interesting. I believe my friend paid £400 - £500 for the deck, probably in 1979. He is not a hi-fi geek (though I am becoming one!), so it's unlikely that he would've changed the arm and, as you say, the AT arm isn't likely an upgrade from an SME... but the AT-1005 Mk2 does...

Ah, that's possible, but a bit shabby! Do you think it's possible that the turntable could've come with the AT arm? But then, surely it wouldn't have been incorrectly fitted. But why change the original tonearm? The answer may be buried by the mist of time...

And my LP12 is very old as you've spotted, with the groove in the plinth for the cover stay (which got upgraded to a sprung hinge type, thankfully). Interestingly, the Grace mounting hole in the Linn board is off-centre while my arm is mounted on the board very centrally, which is better...

I found a drawing of the SME 3009 and it has a mounting distance of 8.92 " = 226.82mm (photo 1) so that can't be it... and the Grace 707 was clearly used with the LP12 (photo 2) but has a mounting distance of 222mm, though the drawing is incomplete (photo 3). So, case not yet solved!

Thanks, that's really interesting... even Linn didn't know that they had produced decks without their own arms when I spoke to one of their team today! And another dealer got a bit shirty when I challenged him about my early LP12 having a mounting distance of 219mm rather than the Linn arm...

Well, elsewhere on the Internet I found an article (see photo) saying that if the A point is lined up fine but the B point is turned inwards, then the cartridge needs to be moved back. So I did this and now I have as good as perfect alignment at both points and have reduced my overhang to 17mm...

Thanks, as you can see from the photos above, my alignment with point A is perfect and that with point B is just slightly short of perfect. I don't know why I can't achieve a perfect alignment with both points, but that may have to do with the incorrect mounting described above. Having spoken...

Thanks, given that I have a less-than-perfect initial set-up, I don't see the point in trying to make things any better than they are at present, where the cartridge is aligned with my (very basic) protractor (or is it just an alignment guide and a protractor is actually something else? Please...

Yes, I have that drawing and I understand that the overhang is the effective length minus the mounting distance. In my case the mounting distance is shorter by approx. 5mm, therefore my overhand is slightly greater, approx. 18mm (I say approx. because I've been unable to make an exact...

Ah, the photo is a little off due to parallax... the lid closes fine - see photos below. I bought the deck off a friend who has owned it since 1979 / 80 and I'm sure never had the tonearm changed, just the headshell, although he can't recall that far back now. The thing is, wouldn't a new...

I'm still perplexed as to why the arm was not positioned in a hole made to the manufacturer's specification in the first place; admittedly if it was 5mm more to the right it wouldn't look central on the LP12's arm board - could that be why? It bothers me a bit, but it's better that I replaced...

Thanks, yes it is odd that it's probably never been set up properly in it's 40-odd years... I couldn't understand why the headshell wasn't perpendicular to the grooves, but because it is 'further forward' because of the mounting hole being incorrect, then that makes sense. My point A alignment...

Hello good people, I have a question regarding the correct set-up for my newly acquired Linn Sondek LP12 which came with the Audio-Technica AT-1005 Mk2 tonearm fitted with an Audio-Technica MG9 headshell and Goldring 1012GX cartridge. Now, I decided that I did not like the MG9 as it was quite...