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ca 640p + thorens TD-160 +at150MLX+ Revox A720

Hello everyone
I have a Thorens TD-160 mark II and a cambridge audio 640p . I have done quite a bit of research for the right cartridge and when I listened (on the net only unfortunately) to the AUDIO TECHNICA AT-150 MLX I was really impressed ! Different class this cartridge ...I would like to get it and although I tried to calculate stuff for compliance I am not quite sure I know what I am doing .At the moment the 640p is connected to my sl1200 mark II with a ortofon nightclub s cartridge which is 6.0mv output .With this combination through my Revox preamp is very loud ,I only have to put the volume at 1 or 2 and it produces quite a loud and full signal .What would happen with the thorens and at150?Thorens has a light arm.Thank u
hungrygorilla
hungrygorilla OP
5 posts
 
Thank you once again johnnyb53 for your advice ! I studied what you said and now I understand your initial figures ! The figure of 13hz which would be too high is the average mass between the arm and the cartridge . I am happy that with a little weight the thorens should be ok with the at150 ! So I guess before I get the stuff you suggested I could just put a 5pence coin which is exactly 5gr place it on the headshell and it would meet reasonance of 11Hz ,right ? Thank you for your help .
johnnyb53
3,510 posts
 

02-21-11: Hungrygorilla
...I am happy that with a little weight the thorens should be ok with the at150 ! So I guess before I get the stuff you suggested I could just put a 5-pence coin which is exactly 5gr place it on the headshell and it would meet reasonance of 11Hz, right ?
Yeah, that should pretty much work the same. You could use some Blu-Tack to secure the 5-pence to the headshell. You will want to center the coin as well as you can. If it's too off-center I'd think that the uneven pressure could strain the bearings a bit or affect the azimuth alignment.
hungrygorilla OP
5 posts
 
Yes ,thank you johnnyb53,I will place it in the carefully in the middle . The cartridge should be here in a couple of weeks , the only thing that worries me is fitting the cartridge myself ....I can balance the tonearm and adjust the weights well but this is gonna be a first to do the protractor alignment .Does the AT150 come with protractor ? I checked online and it does seem too difficult to do but being a gorilla you know ...do you think I should take it to be done professionally ? Thank you all !
hungrygorilla OP
5 posts
 
Yes ,thank you johnnyb53,I will try to place it right in the middle . The cartridge should be here in a couple of weeks , the only thing that worries me is fitting the cartridge myself ....I can balance the tonearm and adjust the weights well but this is gonna be a first to do the protractor alignment .Does the AT150 come with protractor ? I checked online and it does seem too difficult to do but being a gorilla you know ...do you think I should take it to be done professionally ? Thank you all !
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