Lower mu than 12AX7, 12AT7 or 12AY7, this is the tube to try in your guitar amp if you want even cleaner headroom.

TRIODE, DUAL
Equivalent to 12AV7. Comes in white box.

TRIODE, DUAL
As used in AudioNote Ongaku. We have tubes that were made at Dutch Philips Heerlen factory ('delta' code).