Yes, according to the Eimac spec sheet.
It also sounds like a good reason to install a 2 speed switch as is in a few
commercial amps with that tube.
It can be as elaborate as a thermal switch that runs the blower full speed
when necessary, to a simple toggle switch and a resistor.
Carl
KM1H
----- Original Message -----
From: "David J Windisch" <davidjw@cinci.rr.com>
To: <amps@contesting.com>
Sent: Monday, September 07, 2009 10:26 AM
Subject: [Amps] 3CX800 and blower
> Does a 3CX800A7 require airflow any time the filament is lit, like, say,
> 3-500Z glass tubes with tender seals and 70-watt filaments?
>
> I'm thinking of leaving the (unobtanium) blower turned off, to lower wear
> and tear, until I need the power.
>
> Yep, I'm aware of the potential hazard of a senior moment: I have in mind
> a no-blower-no-operate interlock scheme.
>
> Tia & brgds,
> Dave, W8FGX
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> Amps@contesting.com
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