8417 tube substitutions

[rh2music]

Hey, anyone know if there are any substitutes for the 8417 power tubes? Since these tubes are rare and expensive I'm trying to find a substitute. They are used an an old Sano guitar amp from the 50's or 60's in a Push-Pull amp for 50 watts output. Thanks..

[TomMcNally]

Here's a "how to" from Triode's website ...

http://www.triodeel.com/8417.htm