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Old 26th Jan 2017, 5:23 pm   #1
RojDW48
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Default Replacement for ERC 900 cartridge in a Hacker GP42

I am repairing a GP42 - SP25 Mk11 deck. I have fixed the mangled tonearm but the cartridge (ESR 900) sounds awful (I bodged in a BSR X5M which sounded fine). Was the ESR fitted to the new RP?

I have found a 'replacement' for the ESR here - https://www.eltim.eu/index.php?action=article&aid=21579 - does anyone know if these are any good? I haven't come across Tonar before. Thanks.
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Last edited by RojDW48; 26th Jan 2017 at 5:25 pm. Reason: incorrect info
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Old 26th Jan 2017, 6:24 pm   #2
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Default Re: Replacement for ESR 900 cartridge in a Hacker GP42

Apologies - that should read ERC 900! I wasn't able to edit the post or title - did I miss something?
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Old 26th Jan 2017, 6:34 pm   #3
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Default Re: Replacement for ESR 900 cartridge in a Hacker GP42

It's the BSR X5M that you will need - ideal for the GP42. They are now in very short supply and will fit the removeable head easily.
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Old 27th Jan 2017, 1:56 pm   #4
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

Tonar are a Dutch cartridge / Styli wholesaler. Their stock appears to be a mixture of NOS and modern copies. Certainly the BSR SC11M I got from a UK supplier came in a Tonar box, but was original BSR.

Who actually manufactures things like the copy Ronette 105s etc goodness only knows!
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Old 27th Jan 2017, 2:46 pm   #5
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

My understanding, through my European Trade sources, is that they are made in Italy.
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Old 27th Jan 2017, 3:00 pm   #6
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

I have one of those Italian Ronettes - I found it to be pretty awful. I am leaning toward Edward's advice but I don't have a mount for the X5M. I can hardly return the GP42 to its owner with the cart attached with blu-tak, as it is just now! Any ideas as to where I can get just a mount?
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Old 27th Jan 2017, 4:56 pm   #7
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

Many Members have needed to fit a BSR X5M to the Garrard 2025TC which cannot use the standard mount, so there may be some spare via this Forum.
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Old 27th Jan 2017, 4:57 pm   #8
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

Quote:
Originally Posted by RojDW48 View Post
Any ideas as to where I can get just a mount?
I might just be able to help you there. Is this is the one? Or does the X5M have a front mounting that is bigger and more square?

Barry
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Old 27th Jan 2017, 5:55 pm   #9
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

That does indeed look like a suitable clip.
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Old 27th Jan 2017, 6:26 pm   #10
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

As my out-of-focus photo of the clip reflects my skills with a camera, for reference the rectangular slot on the front of the clip measures 5/16ths x just under 1/8th inch.
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Old 27th Jan 2017, 7:43 pm   #11
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

Please look at this thread for a neat way to do this.
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Old 27th Jan 2017, 7:45 pm   #12
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

I think that's the very fellow - many thanks Barry - again! I have taken a pic of the front of the cart - I don't know if that actually helps.
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Old 27th Jan 2017, 8:42 pm   #13
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

Darn! You need the one with the bigger square hole, which I haven't got, sorry!

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Old 27th Jan 2017, 9:10 pm   #14
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

That's a shame - thank you very much for trying - Roger
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Old 27th Jan 2017, 9:46 pm   #15
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

That BSR cartridge has a screw hole in the top as does the headshell so no need for a clip
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Old 27th Jan 2017, 10:51 pm   #16
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

Yes, but it will need a spacer - some washers. If all else fails, I have at least one of these - but it will need an exploration up the ladder into the furthest reaches of my loft.....
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Old 28th Jan 2017, 1:19 am   #17
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Default Re: Replacement for ERC 900 cartridge in a Hacker GP42

Quote:
Originally Posted by peter_sol View Post
That BSR cartridge has a screw hole in the top as does the headshell so no need for a clip
Of course it does! Thank you Peter - and thanks Edward but I am sure I can find a suitable spacer - no need to go climbing! I shall report back.
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