>
>In a message dated 02/08/2000 4:37:00 PM Eastern Standard Time,
>measures@vcnet.com writes:
>
>>
>> >The question was about a 3CX1200A7, I thought.
>> >Measurements have shown that inrush on the heater of this series tube
>> >can exceed the limit,
>>
>> There is no stated inrush limit for the 3CX1200A7 filament.. The
>> 3CX1200A7 does not have a heater.
>>
>
>Rich,
>
>I thought all thermionic vacuum tubes had heaters of some sort, even if they
>were called filaments.
>
Eimac uses the term ''heater'' in conjunction with the heat source for
oxide-cathodes. They do not use the term ''heater'' in conjunction with
thoriated tungsten/directly filaments .
later, Dave
- Rich..., 805.386.3734, www.vcnet.com/measures.
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