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

[Matt]

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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