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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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In Reply to: Rega counter weights (again?!) posted by Aleksunder on September 11, 2006 at 06:07:53:
***The problem is that they also dynamically vary VTF with pitch (vertical movement) of a tonearm (a Bad Thing), and possibly also add a resonance in this mode. Unipvots are almost always damped, which presumably helps to negate this.***The offset counterweight actually places the median mass of the counterweight in the same plane as the stylus. This improves every aspect of tracing. PERIOD---No ifs ands or buts.
All of the higher end Rega arms incorporate an offset counterweight, and most aftermarket Rega mod arms incorporate an offset counterweight.
There is absolutely NO tradeoff. The stock counterweight is a sonic disaster IMNSHO.
I have not tried O Malley's mod. I am interested to see if it impacts the sound in any way good or bad.
As for Unipivots always using an offset counterweight, this is because with a single pivot point the tonearm must be precisely balanced in all planes for it to function at all. Again this is confirmation that offsetting counterweights is the correct implementation of that aspect of our hobby.
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Follow Ups
- You are assuming stuff.... - tubesforever 08:58:56 09/11/06 (54)
- Re: So if a solid underslung weight doesn't effect VTF ... - Aleksunder 10:23:09 09/11/06 (26)
- Re: also .... - Aleksunder 10:32:50 09/11/06 (25)
- Again this is simple..... - tubesforever 12:10:26 09/11/06 (24)
- I think you are wrong here. - NewStevo 15:18:32 09/11/06 (0)
- Re: Again this is simple..... - Aleksunder 13:02:00 09/11/06 (3)
- The lower you hang the mass the more it delays return to vtf - tubesforever 14:57:26 09/11/06 (0)
- Re: but to complicate things .... - Aleksunder 13:26:07 09/11/06 (1)
- I am modeling this at the moment. - tubesforever 15:07:51 09/11/06 (0)
- Re: Again - J.D. 12:30:58 09/11/06 (18)
- On a software platform called Alias, using a Unix 128 bit processor. - tubesforever 15:14:20 09/11/06 (17)
- Don't forget to patent the intellectual property as well. - powermatic 19:01:14 09/11/06 (1)
- I have a customer that just came back from Bejing..... - tubesforever 23:34:59 09/11/06 (0)
- By Alias I assume you mean Maya, as it has been called for some years? - raphsdad 17:13:31 09/11/06 (3)
- Maya is for cgi and movies, Alias was designed for manufacturing. - tubesforever 19:44:00 09/11/06 (2)
- Alias is a company. - raphsdad 19:56:09 09/11/06 (1)
- Re: Alias is a company. - tubesforever 23:25:52 09/11/06 (0)
- Yep, my Flying-squirrel-powered Space Shuttle is in the Patent-pending phase, too ....... - J.D. 16:55:52 09/11/06 (8)
- JD have I ever NOT built something I was talking about. - tubesforever 19:45:46 09/11/06 (7)
- actual pic from the testing lab - J.D. 20:11:41 09/11/06 (6)
- So.....JD....You are just jealous....... - tubesforever 23:29:51 09/11/06 (5)
- Re: Solution - J.D. 08:31:32 09/12/06 (4)
- JD your drugs are wearing off.....dose up a bit..... - tubesforever 00:13:50 09/13/06 (1)
- Deal - J.D. 11:01:10 09/13/06 (0)
- McSweeney's - OMalley 09:58:31 09/12/06 (1)
- practically an extended haiku ...... - J.D. 11:53:40 09/12/06 (0)
- I am familiar with Alias..... - vinyl-addict 16:45:00 09/11/06 (1)
- And I don't want my friend fired! - tubesforever 19:54:12 09/11/06 (0)
- Not O'Malley's mod - OMalley 10:10:53 09/11/06 (0)
- Jim, you did it again. Hope you have on clean socks! - Garth 09:42:21 09/11/06 (25)
- Re: Strictly speaking the Graham's C/W is underslung ... - Aleksunder 11:08:07 09/11/06 (3)
- Yes, but I said eccentric not underslung ... and - Garth 11:30:28 09/11/06 (2)
- So how does the Graham stay straight and level? n/t - Aleksunder 13:13:56 09/11/06 (1)
- The outriggers set at the offset angle. Read the patent. - Garth 13:30:13 09/11/06 (0)
- It is the mass at the stylus tip which must be balanced in a tonearm - tubesforever 10:06:39 09/11/06 (20)
- What does that have to do with your stinking feet? :-) (nt) - Garth 11:32:41 09/11/06 (0)
- excuse me - OMalley 10:25:30 09/11/06 (18)
- Re: excuse me - Aleksunder 10:47:44 09/11/06 (17)
- Re: excuse me - OMalley 13:19:20 09/11/06 (13)
- Re: I guess so? - Aleksunder 13:39:03 09/11/06 (12)
- Re: I guess so? - OMalley 14:57:55 09/11/06 (3)
- It is my uneducated, unsupported guess that..... - tubesforever 16:27:56 09/11/06 (2)
- amigo, si, you are full of crap, as you say - OMalley 16:52:18 09/11/06 (1)
- Exactamundo. In principle only the stylus should move, the arm not. - Garth 12:07:29 09/12/06 (0)
- They are equidistant, at least on a 250. The 300 and up may be a different story. - Garth 13:45:00 09/11/06 (7)
- "They are equidistant, at least on a 250." - ahem, and this is another reason why the 250 is better than the 300 [nt] - OMalley 14:50:07 09/11/06 (1)
- For instance. ;-) (nt) - Garth 15:25:29 09/11/06 (0)
- Re: They are equidistant, at least on a 250. The 300 and up may be a different story. - Aleksunder 14:02:08 09/11/06 (4)
- One reason I bought the RB250 to tweak ...... - tubesforever 00:26:57 09/12/06 (0)
- Sorry, I forgot to blindly accept everything you say. :-) (nt) - Garth 15:24:32 09/11/06 (2)
- Re: Well, there you again, with the glib one-liner. n/t - Aleksunder 16:38:08 09/11/06 (1)
- You left the door open. Lighten up! n/t - Garth 23:34:42 09/11/06 (0)
- Do you really think there is movement there? - Garth 11:36:36 09/11/06 (2)
- Re: Do you really think there is movement there? - Aleksunder 12:25:54 09/11/06 (0)
- I agree with you Garth on this point and my stinky feet too! - tubesforever 12:20:02 09/11/06 (0)
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