spock15

Responses from spock15

Speaker repairer - NY area
Thanks to all.Will pass on advice.Cheers, Owen 
Eminent Technology ET-2 Tonearm Owners
Dover wrote:A conventional pivoted arm with an effective mass of 14g with a cartridge of 9g will have a total effective mass of 23g.The standard ET2 has a horizontal effective mass of 34g or 52g with the damping mechanism. With your addition of le... 
Eminent Technology ET-2 Tonearm Owners
Richardkrebs has advocated adding 60+g of horizontal mass by adding lead to the bearing spindle and removing the decoupling mechanism of the counterweight. With the ET2 the decoupling of the counterweight is part of the strategy to keep horizontal... 
Eminent Technology ET-2 Tonearm Owners
Richardkrebs has advocated adding 60+g of horizontal mass by adding lead to the bearing spindle and removing the decoupling mechanism of the counterweight. With the ET2 the decoupling of the counterweight is part of the strategy to keep horizontal... 
Eminent Technology ET-2 Tonearm Owners
With regard to the high horizontal mass the standard ET2 has a very high horizontal effective mass as standard ( 25g plus the weight of the cartridge ) compared to a pivoted arm.However the FR64 of course, has Eff Mass of 30-35gms (or more). 
Eminent Technology ET-2 Tonearm Owners
Further...Mono signals of course, do result in horiz groove modulations. 
Eminent Technology ET-2 Tonearm Owners
One is usually coloured/informed by past experience. Coincidentally, I have a couple of FR64S's myself & you reminded me of the Hadcock GH228 that I have gathering dust.Another recent unipivot, an Apparition 12" superseded the above. A very fi... 
Eminent Technology ET-2 Tonearm Owners
Chaps...I'm not an ET user nor an Aro user, but I do use both a 12" unipivot + an air bearing linear tracker, so if I could be permitted to offer a humble opinion, hopefully useful to the topic ;)....In this game, sometimes we tend to think about ...