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Tube rolling in the Candela

Hi all. For the Candela owners out there-what do you find to be the best sounding 12au7 and all its myriad variations in your system and what tubes have you tried? Also, I just picked up a Telefunken ecc82 red tip date coded Berlin, 1956. Are the red tips some special designation like medical equipment?

thecarpathian
hifiman5's avatar
hifiman5
1,826 posts
 
After trying various new production and NOS varieties, I've found cryogenically treated Gold Lions from Cryoset to work extremely well.  They are very even in frequency response and last what seems like forever.
stereo5's avatar
stereo5
6,291 posts
 
I do not have the Candela, but in my tube equipment I have found the Mullard NOS cv4003 is the best sounding  12au7 tube for its rich midrange and fatigue free treble.  The RCA cleartops come in second.    Thy will take a lifeless sounding piece of equipment and make it sound great.  
hifiman5's avatar
hifiman5
1,826 posts
 
The RCA cleartops come in second.   Thy will take a lifeless sounding piece of equipment and make it sound great.
I rather doubt Any tube can do that!
limniscate
241 posts
 
I liked the PSVANE for new tubes.
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