http://lamkins-guitar.com/music/article/preamp-tube-substitutions
David Lamkins picked up his first guitar a long time ago. As best he can recall the year was 1967: the year of the Summer of Love. Four decades later David has conjured up an amalgam of folk, rock and jazz solo guitar music for the occasional intimate Portland audience.
location: Portland, OR USA
Facets: tubes, @musings info
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Preamp Tube Substitutions

The following tubes may be substituted in most amplifiers to tune the gain of the stage in which they're used.

Type Av
12AX7 100
7025 100
5751 70
12AT7 60
6072 44
12AY7 40
12AU7 20
November 17 2004 05:38:35 GMT