[Amps] 3-500Z labeling

[Stan Gammons]

Probably RF parts tubes. The RF parts 3-500ZG tubes in my L-4B have 5 
disc. Seems like the Amperex ones have 4 disc.  All of the Eimac plates 
I've seen were vertical and corrugated shaped. Eimac made some great 
3-500Z's. Wish they still did...  But, I think the tube vs solid state 
amps has been covered before.


73

Stan
KM4HQE


On 12/9/18 11:59 AM, Jim wrote:
> Then they are not Eimac.
>
>
>
> Thanks
> 73
> Jim W7RY
>
> On 12/9/2018 10:42 AM, Paul Baldock wrote:
>> At 08:45 PM 12/8/2018, you wrote:
>>> Are there serial numbers on the grid mounting disk/cone below the 
>>> plate? 
>>
>> No
>>
>> - Paul
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