stock marshall tube codes

Discussion in 'The Workbench' started by big dooley, Nov 26, 2010.

  1. mickeydg5

    mickeydg5 Well-Known Member VIP Member

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    "No Selection" means the preamp tube was not selected for a specific purpose. So it is an average or standard used tube as you put it.
    Selected tubes would be for gain or microphony level.
     
  2. dan_tramble

    dan_tramble Member

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    I have a couple of the gold "high micropony" tubes..

    Does this mean they have a high noise floor? What position would you use that tube in a amp?

    I have some red "low micropony" ones plus a half dozen of the standard 00055 white ones.

    Thanks
     
  3. Matus

    Matus New Member

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    Hi everyone..new to this forum! Owner of VM2466 which is currently waiting to be repaired :/ great amp tho!

    Anyway...as i was messing about trying to find out what's up with it, I pulled out all tubes to check them and that's what brought me to this thread...

    I have a ecc83 0066 in V1 and the rest are 0055...i'm about to change them too but I couldn't find any info on which is the right/better type of tube to use or of it's ok to mix and match like I had?!

    Thanks guys!
     

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