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Decca London Gold cartridge nightmare

Having read so much about the Decca London Gold cartridge, I decided to try one. Time passed and I finally found one on ebay that was within my budget. Cartridge was guaranteed to work with good results by a seller with very good feedback. Physically the cart looked neat, and everything, except for the mounting screws, was intact.

I had intended to install the cartridge in a new Kuzma Stogi S arm on a LP12 turntable but since the arm is scheduled to arrive end Oct 2008, I decided to try the Decca on my Lenco L75, with the original Lenco arm. At least to make sure all connections were OK, if not for any other reason.

What happened afterwards was pure nightmare. The results were horrendous, to say the least!

Tell me where I went wrong.

I tried tracking between 1.5 to 3gm but the sound ranged from tinny to severe breaking up. Even more startling, the groove vibrations picked up by the stylus was transmitted to the entire headshell, so you could actually hear the sound of the grooves generated acoustically by the vibration, kind of like a diaphragm or a gramophone horn. Lightly placing my finger on the headshell while a record played confirmed this. The headshell was quaking! With the preamp gain down to zero, you could hear the headshell vibration from a distance of a foot and a half, maybe even further, I kid you not.

The cartridge that I am presently using on my Lenco is a low output Audio Technica MC, the AT-OC3. No problems there. Tracks pretty well too, but not great, considering the Lenco arm was not made for MC carts. But the results were definitely more sane than the Decca!!

What's happening? Help!

Thanks for any advice, suggestions, feedback.

beck
tubemoose

Showing 3 responses by dubhouse

dubhouse
19 posts
 
MY guess would be that the problem is the Lenco arm. Decca carts, especially if you bought an older one, only respond well with certain arms and are especially suited to damped arms. The newer Decca's have a line contact cantilever/stylus and tend to be less fussy. I'm using a Jubilee with a Well Tempered TT and arm and it sounds fantastic. Your Gold should work much better with the Kuzma Stogi S. Warren Gregory, a Decca dealer from San Fransisco will not sell a Decca until he finds out what kind of arm you are using. I'm also working on a Lenco L75. I believe that the Kuzma arm will fit on the Lenco(211mm?). You may potentially have a Giant Killer with the Lenco/Kuzma/Decca combination.
Keep us posted please.
dubhouse
19 posts
 
Its always good to hear from other Decca fans! I think they are criminally overlooked and under-reviewed. Some of this is a result of QC and tracking problems back in the day. Dopogue describes them very well: "exceptionally dynamic, involving, and open, with excellent bass." They do many things that expensive Moving Coils don't. Listening to one playing a properly mastered and pressed UK record is, at least to my ears, getting close to what a master tape sounds like. My only complaint is that mine has a slight hum that I've been unable to identify the source. But everything else is so "right" about it that I'm able to live with it.
Eee3, have you done any mods or rewiring to that Keith Monks tonearm? I have often been tempted to buy one of those. Of course there's always the Decca International Tonearm!
Warren Gregoire is using Decca's with a Dynavector 507 and swears by that combination. I just read on another Agon thread that someone is using the Gold and the Reference with the funky RS Labs RS-A1 tonearm and prefers it to much more expensive tonearms/carts. This to me is very intriguing. The thread is here:

http://forum.audiogon.com/cgi-bin/fr.pl?eanlg&1220542524&openfrom&1&4#1

Steve
dubhouse
19 posts
 
Dopogue- here's the quote from Robyatt:

09-15-08: Robyatt
I actually like the Gold better than all but the Reference. They fit great in the RS-but BIG experimentation, to stop gound hum! The Reference is an exact fit for the RS back holes, butslightly thiner bolts than normal are needed.

It seems that he used thinner bolts to bypass the threads. Maybe he will see this thread and elaborate. Sounds very promising. I do wonder what he did to eliminate the hum.

Eee3- Thanks for the info. Sounds like you are getting excellent results from vintage components which is very appealing. I didn't know there were different versions of the Monks tonearm. The Monks tonearms are still available NOS I think for about 300 British Pounds, sans the mercury as they had to dispose of that. Are you using a mercury bath in yours?

Steve
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