Post by kilnman on Oct 29, 2019 7:48:27 GMT 12
My name is Colin from the UK.My specific interest is in Hi Fi and I have a fair amount of good quality equipment that I have collected over the 50yrs of being involved.My mission at the moment is to tie down the production date of a Koetsu Signature Rosewood cartridge from it's serial no. 13527 that I bought for £250 (second hand) in the mid 90's. If anyone can help I would be very grateful.
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Post by Owen Y on Oct 29, 2019 9:26:55 GMT 12
Welcome to the forums, Colin - kilnman
I have owned a few Koetsus (Rosewood, Rosewood Signature) & the serial numbers are a bit confusing (to me anyway). Here's some scant information, that is possibly not of much help to you: A Koetsu Red/Rosewood purchased s/hand in ~1987 with the ser. no. 11756. This was a modern 'short body' Rosewood, with gold plated pins & no inserts in the baseplate mounting holes. This cartridge was sent to be rebuilt by Koetsu in the early 2000s & returned as a Rosewood Signature - keeping the original wood body & mounting baseplate, but with new magnet-coils-stylus generator. Rebuilding is routinely performed by Koetsu & this is one reason why ser. no. is not always an accurate guide to the age of a Koetsu cartridge. In around '92, for a short while, I had in my possession a Rosewood with ser. no. 49258. Another example is a Koetsu Rosewood Signature which was purchased new in 1992, with a very low ser. no. 065 (silver plated pins, holes with inserts). All the above had Rosewood bodies with 'tapered' bottom profiles - so even body shape cannot be a reliable guide to identifying 'Signature' models. The best source of information I would suggest is Melvin Ang, distributor Koetsu S.E. Asia. He has dealt with Koetsu (Sugano family) in Japan for over 25 years, to my knowledge. DarkLantern blog - darklanternforowen.wordpress.com
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Post by jon on Oct 29, 2019 16:53:11 GMT 12
Welcome to the forum, Colin!
And Owen is being a little shy... darklanternforowen.wordpress.com/2014/07/04/koetsu/ 
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Post by Citroen on Oct 29, 2019 17:40:44 GMT 12
Not sure if this helps
Cliff
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Post by colinf on Oct 29, 2019 19:44:57 GMT 12
Hi Colin, welcome. I’m in the UK too, in the southwest. Unfortunately can’t help you with Koetsu S/Ns though.
AMR-iFi R&D
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Post by michaelw on Oct 29, 2019 20:34:19 GMT 12
where did that come from cliff ?
don't think i have a record of my old rosewood SN 
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Post by Citroen on Oct 30, 2019 0:08:30 GMT 12 Can't find the original link, as its from a pdf I saved, but did find this link with no pictures fs5.directupload.net/images/160608/24ta43zq.pdf
Cliff
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