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Another Cronus Magnum question

My Cronus Magnum integrated has the Tung Sol KT120 output tubes and a Mullard CV4003 tube for the preamp section. I am still using the stock 12au7 tubes and the 12at tubes. Changing the preamp tube made a big change for a more ripe midrange which is what I wanted. What advantages would there be to replace the other 4 tubes to something better?

If I do change the other 4 tubes, can anyone give me some recommendations? I don't want to spend a fortune, but I assume there are much better tubes than the JJ tubes in there now. Anyone?
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Showing 2 responses by jayrossi13

jayrossi13's avatar
jayrossi13
193 posts
 
I have a Cronus Magnum as well, I've tried different NOS tubes an ultimately settled on the following:

Preamp - Cifte 12AU7
Section Drivers - Mullard CV4003
Phase Splitters - Raytheon 5751 w/Windmill getter

I've also had a Mullard CV4003 in the pramp position, but liked the Cifte better as I felt the soundstage was more 3D.

Changing out the stock tubes really improves the sound.

How long have you had the amp and how do you like it so far?
jayrossi13's avatar
jayrossi13
193 posts
 
I definitely agree that the amp is very easy on the ears, I can listen for hours without any fatigue.
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