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Cosmic Cogram 4000 Mark2

Wharfedale EVO4.1 Bookshelf Speakers

vmscbe1974

Active Member
Joined
Nov 24, 2008
Messages
455
Points
43
Location
coimbatore
Hi members requesting an option and do how method to convert the Cosmic cogram turntable to play only 78 rpm records reason is as follows:

1. The speed adjustment knob under the turntable is messed up so 33 rpm not working on normal speed.

2. Is it possible to add up the two speed regulator to run at 78 rpm simple addition 33+45 =78.

It may sound absurd but like to know if it is possible. I did not want to let go of this piece which i had for almost 15 years specially for the tone arm.

Regards
Srinivasan
 

kissenchand

Member
Joined
Sep 24, 2011
Messages
40
Points
8
Location
Kolkata
Probably it is a direct drive turntable. So no mechanical speed adjustment is possible. Only an expert can adjust the motor speed to get 78 rpm.
 
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