[Boatanchors] E.F Johnson calibrator 250-28 tube?

[GGLL]

	But in terms of generated heat, would be better for oscillator stability.

Best regards
Guillermo - LU8EYW.

Al Klase escribió:
> Larry,
> 
> The 6BH6 is essentially a 6AU6 with a half-power. 150 mA vs. 300 mA, 
> heater.  I'll wager either one will work just fine.
> 
> 73,
> Al
> 
> telegrapher at att.net wrote:
>> Well what a fine show this is.  Now, which tube is correct?  The 6BH6 
>> or the 6AU6.  Or maybe different versions or some were modified?  Who 
>> dreams up this stuff anyway?  It's to close to Christmas.
>>
>> I don't have one of these but i've run into the same thing with a 
>> couple of my radios. One manual says one tube lineup and another 
>> manual says another tube lineup.  What fun, yes?
>>
>