12AT7 in 210 Sixty-Five

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12AT7 in 210 Sixty-Five

Music Man Amps Discussion Forum » Tubes & Substitutions » 12AT7 in 210 Sixty-Five

Author Message
 Jonathan Moore (jondanger)
Username: jondanger
Registered: 08-2010
Posted on Wednesday, September 29, 2010 - 08:35 am:   

Hello Everybody,
I have read that the 12AT7 can be substituted for the 12AX7 in PI Music Man amps. Since they are a lower gain tube, will that result in a cleaner tone as the channel volume gets turned up? I love my Sixty-Five, but it hates my SG Special's P90's. The pickups are loud as hell, and I can't seem to get it to sound clean above about 2 on the channel volume. What do you guys think?
 Mike Kaus (mm210)
Username: mm210
Registered: 05-2006
Posted on Wednesday, September 29, 2010 - 02:48 pm:   

It really shouldn't do anything in that circuit. It's only used as a PI, not a gain stage.