What tonearm is this and how to set it up? - diyAudio
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Old 23rd December 2006, 02:47 AM   #1
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Default What tonearm is this and how to set it up?

I had this old rega planar 2 in my basement. I got it with a pair of speakers I bought ages ago from a guy who got married and his audiophile life ended. Then I more or less forgot about it. even though when i was younger i always wanted one
Now its time to refurbish it.

It has this tonearm. i don't know what it is. (sorry for blurry pic) it has a needle point pivot. is it any good? i also have a rega tonearm somewhere loose and im not sure what condition its in but it looks like this one has had special holes drilled for it. i would prefer to leave it on as long as it not a total POS!

Anyways for the anti skating it has a little weight on a piece of fishing line and it touches the plinth of the turntable untill its about half way across the record. obviously it is not correct. if anyone knows what arm this is i would be grateful on any pointer on how to set it up.
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Old 23rd December 2006, 01:32 PM   #2
mtiberi is offline mtiberi  France
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Hi Neurtron7,

it seems to be a Graham Hadcock Unipivot (like a GH228). You can find some informations here : http://www.vinylengine.com/
You have to suscribe (it's free) and search in Library / Tonearm / Hadcock.
You'll find some informations. I've the same on my KD500 with a DL103M and it's a good arm.

Regards
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Old 23rd December 2006, 03:45 PM   #3
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That looks like it ok. great thank you.
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Old 23rd December 2006, 04:44 PM   #4
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A hadcock it is. I sold those new & have one downstris in need of rewire. The new ones are better detailed and have better fit & finish, but this is still an excellent arm. I preferred it to the Graces & the Maywares we also sold at the time.

I may even have some of the original manuals.

dave
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Old 23rd December 2006, 05:26 PM   #5
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Planet 10 do you have any idea why the line seems to be too long. could it be the original owner set it up wrong or replaced it

may be the outrigger thing needs to be set up somehow? nothing looks bent or out of place, just the line seems too long.

best regards
Neut
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Old 23rd December 2006, 05:41 PM   #6
bulgin is offline bulgin  South Africa
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Default What tonearm...

Hi Neutron

That wirestray for the biasweight looks like its had a whack. I think you should carefully bend it upwards.

bulgin
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Old 23rd December 2006, 11:04 PM   #7
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I once did some setup instructions for the later Hadcocks:
http://www.holgerbarske.com/art/artikel.php?id=2
Sorry, German only, but perhaps the pics give you some advice.
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Old 23rd December 2006, 11:42 PM   #8
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actually that is very helpful thank you. also i think you get the award for the most "bling" turntable
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Old 24th December 2006, 03:23 PM   #9
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Hiya there is a Hadcock instruction book avaliable from the UK distrubtors www.hiaudio.co.uk this manual covers complete set up and of course some tweaks as well.
This arm is a VERY early aluminium tubed Hadcock! The new ones have a stainless steel armtube and have done away with the compliant rear stub mounting.
Hope this has been usefull to you.
If you have any problems please pm me.
Stewart
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