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Which tubes are better...

Just curious on which of the two tubes are better, GE 12AU7 or Jan/Philip 5814A. The 12AU7 are stock in my Belles but I have a new pair of Jan from my previous Rogue Cronus Integrated Amp. Didn't know if it would be a waste of time swopping to possibly an inferior tube.

Thanks,
Wig
128x128wig
beerad
40 posts
 
wig,
I also have the Mullard Cv4003 in my PL Dialogue 2 Integrated. Please post and tell how you like them. They are my favorite NOS I have tried. Enjoy!
mofimadness's avatar
mofimadness
4,984 posts
 
Wig,

I tried the RCA clear tops also, (in addition to ALOT of others). They are good, but not on the same level as the Mullards...in the Belles preamp anyway. You should really enjoy the CV4003's.
wig's avatar
wig OP
1,267 posts
 
I believe my GE 12AU7A tube are on their last leg which I thought are rather new since the unit I bought was a demo with light use. I have been noticing static in the right channel but thought it was the running washing machine or dish washer. But after swopping to the Jan 5814A two days ago, the soundstage snapped into focus and there's much more detail and ambience. I can't wait to get the Mullards and GE BP 5814A triple micas. I know for a fact that my MIT S3's are a bottle neck in my system and hope to find something that is neutral.

Wig
wig's avatar
wig OP
1,267 posts
 
I received both CV4003 Mullards and GE 5814A BP triple micas. The BP are very neutral and the sound is phenominal, open, detailed and dynamic. I'll try the Mullards in a few days to see which ones I'll decide to use.

Wig
reb1208
518 posts
 
Wig, you realize that when that pre-amp is plugged in the tubes will stay powered up, albeit at a lower voltage 24/7.
Now aren't you glad I gave you the tip on those Ge's.As for the CV4003 I will boldly state that IME they are awful.

Good luck
B
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