"Greg Mayman" wrote to "Mike Ross" (06 Dec 02  08:35:00)
 --- on the topic of was "TRAFFIC LIGHT"

 -=> Mike Ross said to Greg Mayman
 -=> about "TRAFFIC LIGHT" on 12-03-02  22:53.....
 MR> In Push-Pull the plate resistance is 4 times less than the plate to
 MR> plate value.

 GM> That would make that 50 ohm centre-tapped speaker = 12.5 ohms for
 GM> each plate. Definitely too low for the 12AL8 output bottle.

Yes, for example if the plate-to-plate load is seen as a 2:1 transformer
to a single tube then the impedance ratio is squared or 4:1, so 12.5
ohms is right.

What's with the brush fires? Is everything alright where you are?
Heard of people being arrested for lighting them on purpose...

 Mike
 ****

... Modulation in all things...
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