[Amps] FW: FW: FW: Air temps leaving the amp

[Carl]

Any older Amateur Radio Handbook or RCA tube manual will refresh your 
memory.
If youre on this reflector you should at least have the Handbook.

Carl
KM1H

----- Original Message ----- 
From: "Matt" <maflukey at gmail.com>
To: <amps at contesting.com>
Sent: Friday, February 07, 2014 1:48 AM
Subject: [Amps] FW: FW: FW: Air temps leaving the amp


> Thanks Steve,
>
> Is that because a "heater" heats an independent cathode, whereas a
> "filament" acts as both the heating element and the cathode 
> simultaneously?
> I'm not sure I know the definitions correctly (my dad was a EE and I'm 
> sure
> told me as a young man - but that was a long time ago and I don't remember
> any more).
>
> Matt
> KM5VI
>
> -----Original Message-----
> From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of Steve
> Sent: Thursday, February 06, 2014 4:49 AM
> To: amps at contesting.com
> Subject: [Amps] FW: FW: Air temps leaving the amp
>
> I'd say you were right first time - 8877 has a heater (to heat up the
> cathode), 3-500Z has a filament, like a light bulb.
>
> Steve
>
> Matt wrote:
>> Yes - 8877 (not 8873) and yes I was using slang (heater) when
>> referring to the filament.
>
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