THE 9AU7 COMBINES TWO INDEPENDENT MEDIUM-MU INDIRECTLY HEATED CATHODE TYPE TRI-. ODES IN THE 9 PIN MINIATURE CONSTRUCTION. IT IS ADAPTABLE TO APPLICATION EITHER ...
Tube 9AU7 or Röhre 9AU7 ID5197, Double Triode, Noval, 9 pin miniature (USA pico-9) B9A and shown. Radio tubes are valves.
9AU7. Medium-Mu Twin Triode. The 9AU7 is the same as the 12AU7A except for the following items: Heater, for Unipotential Cathodes. Heater arrangement. Voltage ...
Oct 23, 2012 · But 12AU7 is much expensive than 9AU7. Can I replace it with 9AU7? BTW, any suggestion for putting a tube inside a pedal? •••. More options.