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Tweaking my Cronus Magnum Tubes

I'm wanting to tube roll on my Cronus Magnum. I have the KT 120's and the standard small tubes that came with the Magnum.Also have the KT 90's. Should I update the KT 120's to Gold Lion 66,77 or 88's There's a quad of Gold Lion 66's on sale here at Audiogon.

W#hat are good small tubes to update and what small tube position are most important to update?

Thanks mates!
gooddomino

Showing 1 response by lowrider57

lowrider57's avatar
lowrider57
5,418 posts
 
For the preamp, RCA Blackplates (NOS) provide a very open smooth soundstage; not too expensive.
I'm guessing these are the 12AU7 tubes and the phono stage is the pair of 12AX7 (ECC83).

Telefunken are more detailed, Mullard NOS have a classic tube sound, but very expensive. For a new tube, EH Gold Pins (Electro-Harmonix) are very popular.
http://www.musicdirect.com/p-6997-electroharmonix-12au7-tube-gold-pins-ea.aspx

Some good info on tube types at Brent Jessee

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