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Cartridge alignment
Slim-Shaddy:
I've got a Grado F1 on a Technics SL1200 that I would like to have aligned properly. I've done the print out alignment tool, but I am getting an uncomfortable amount of sibilance on the inner grooves. I know there is a alignment tool for Technics TTs, but to be honest I just don't think it will be good enough or any better than the print out. It's not just the old records that are doing it. I just picked a brand new Decemberists on 180 gram and it's doing it there as well. The needle is in great shape too. It was NOS when I bought it and I've put maybe 50 hrs on it. I'm hoping there is someone on here local to Pittsburgh that has the knowhow and ability to give my TT a "proper" alignment. Any help is greatly appreciated.
Ed
SunnyDaze:
I mean, I calculated the best average angle of the front of the cartridge so that it is positioned tangentially with respect to the arc of the arm across the playable disk surface...
I will warn you, Grado cartridges are sibilant, at least in my experiences tinkering with them. It's minimized at best, but, I'm yet to make it vanish on my Yammie or any other table that I've owned.
Also, I don't know if the 1200 arm is low or high mass. Do you know the compliance of the cartridge? If it's a lower compliance cartridge, you want a higher mass arm, and vice versa. I don't know anything about the older Grados, all I have for you is general info.
Good luck Ed!
Slim-Shaddy:
I really have no idea of the mass. I "think" I remember the cart is supposed to be between 1.25 and 1.75G and I'm running at 1.5. I tinkered for about an hour and I am pretty well certain I have it sounding as good as I am capable. I should clarify that the sibilance is on higher output records. I'm turning some mellow jazz right now and it sounds fabulous. Maybe it is the cart or a maybe the cart hates the TT? IDK. Thanks for your input though SD.
Anders:
Somewhere I have some cartridge alignment protractors that I used to use when I put cartridges on customers turntables.
wkhanna:
Technics Arc protractor can be found here, along with enough other alignment & compliance data to fry the brain of a Noble mathematics prize winner.
http://www.vinylengine.com/cartridge-alignment-protractors.shtml
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