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TUBE HELP with 5AR4 Rectifier

I just picked up a Tube Phono Preamp which uses a 5ar4 Rectifier tube...
I have (3) to choose from and would like to know which would work the best in the unit..

SOVTEK
RUBY
JJ

I know there are some really nice rectifier tubes out there but these are what I have to work with now...and I do wish I had some Phillips Miniwatts to try.
Your input is appreicated
dgordonl

Showing 2 responses by rodman99999

rodman99999
6,008 posts
 
Get a NOS Mullard. You'll never regret it!
rodman99999
6,008 posts
 
Whether you look at it that way or not: The power supply IS in the signal path. What do you think is providing the voltage gain? Thus: The cleaner/smoother the voltage- the cleaner/smoother the music. Swapping rectifier tubes will often affect the sound of your amp as much as outputs or drivers/phase splitters.
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