Tone Arm Canidates For A Townshend Rock mk 3

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Mister Pig

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Tone Arm Canidates For A Townshend Rock mk 3
« on: 20 Oct 2009, 04:38 am »
Been doing some thinking regarding a tone arm for this turntable. While an Excalibur would be wonderful to have, they are just too darn rare to find on the used market.

Been considering a few arms for the table. This is not intended to be an assault on the state of the art, but rather finding that elusive point where high performance is achieved at a reasonable price. The cartridge that is going to be used will be a Dynavector 17D3.

Possilbe options are.

Scheu Classic Mk II. Found on the used market this appears to be a fine arm. Just wonder how the uni-pivot is going to fare with the Townshend dampening trough.

Rega RB 250 with Pettle Riggle VTA and weight for the Common man. This seems to be the most cost effective option. Possibly rewire with new tone arm wire, or consider finding an Expressimo heavy weight also. The Rock was packaged with an RB 300 also, so this arm might be the best match. Or did the factory look for the least expensive option for thier table?

Origin Live OL-1. A hot rodded version of the Rega arm that gets lots of praise. Wonder if the dampening trough would minimize the advantages of this package vs the less expensive Rega option.

Jelco 750D. This arm gets a fair amount of praise this day. Looks to be well built, and reasonably priced. Visually reminds me of an early SME, but wonder how the arm would like the Dynavector. Also wonder if the bearing oil bath would provide too much dampening if used in conjunction with the dampening trough.

Thoughts and opinions would be appreciated.

Regards
Mister Pig

steveblezy

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Re: Tone Arm Canidates For A Townshend Rock mk 3
« Reply #1 on: 5 Jun 2010, 01:55 am »
I would say any of the Rega family would work very well. I have owned many Rocks in the past. The Fluid trough will make a basic rega sound much better. I think a uni-pivot would not yield good results with the fluid.

Steve

Mister Pig

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Re: Tone Arm Canidates For A Townshend Rock mk 3
« Reply #2 on: 12 Jun 2010, 02:41 pm »
Hi Steve,

Well I did install a Rega on the table. Got a 251 and had the Incognito rewire done. Then bought the Pete Riggle VTAF adjuster and the counterweight and arm stub upgrade. Very nice arm, but I do have an issue.

Ended up trying a Accuphase AC1 cartridge that was retipped by Expert Stylus with a paratrace diamond. Lovely sounding cartridge, but can be a bit noisy on worn vinyl.

I am going to re-cut a new armboard and try an alternate alignment geometry. Currently using Stevenson, but going to give the others a try. We will see if it helps quiet the table down. Another project that needs to get done. Now I just need to source some black 3/8" acrylic.

Regards
Mister Pig


I would say any of the Rega family would work very well. I have owned many Rocks in the past. The Fluid trough will make a basic rega sound much better. I think a uni-pivot would not yield good results with the fluid.

Steve

steveblezy

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Re: Tone Arm Canidates For A Townshend Rock mk 3
« Reply #3 on: 12 Jun 2010, 06:34 pm »
Let me know how it works out. I have been using a variety of Rocks for years now. I believe that Max townshend tends to favor the Rega family of arms, especially if you look and the arc of the trough itself. Personally, I feel that the fluid trough in the from really allows the cart to dig out the musical material and help isolate the card from bearing and motor noise.

A few years ago, I had a friend over and he was very curious about the trough so I ran a bizzare test to show him what it could do. It is not for the faint of heart but, here it is.

I dropped the needle on a record without having the platter turning. Next, I grabbed an reciprocating electric razor and turned it on and pressed it against the plinth. Seeing that the fluid acts in both an relative and absolute energy transfer at the same time, the vibrations in the plinth were transmitted to the cart (absolute transfer) resulting in no noise in the amplifier that was well, cranked up quite high!!!! I repeated the same demonstration with the fluid trough swung out of the way (and the amplifier turned down) and well, your guessed it, you could hear the vibrations out of the speakers. The same thing happens with the motor and any bearing rumble, it is absolute to the arm and the cart.

The trough is very amazing and in 10 years, I have never split any fluid on the records. When changing records, it adds about 5 extra seconds to swing the trough out of the way. The acoustic properties of the plinth are removed which I prefer. I want to hear what is in the grooves, not the coloration of the table itself. The rock series is great. If I ever purchase a 'killer' table in the future, I will be heading to a machine shop so I can custom mount a front end fluid trough to the new TT.

Steve

denwenz

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Re: Tone Arm Canidates For A Townshend Rock mk 3
« Reply #4 on: 17 Jun 2010, 12:13 am »
Mister Pig

I have the MkIII table with the modified Rega 300 arm and have a couple of questions for you and anyone else who has had this combination 1) did you originally have the rega 300 arm with this table, and if so, how would you compare this arm to the rega 251 that you now have 2) what cartridges have you found that work particularly well with the townshend table and rega 300 or 251 table.  Thanks