tube data sheet needed.

[Multi-Volti Devices]

Hello:

I have tried a number of Usenet newsgroups to no avail, so I will go out
on a limb with the vague disclaimer that maybe a Heathkit product used
this tube...

Anyone have a 'real' data sheet for the 5687 or 5687WB dual triode?

I have found a 'one-liner' of typical data in a Radio Amateur's Handbook
and similar data in my tube manuals, but nothing substantial. I would
like characteristic curves, also, if available.

Thanks & 73 & Happy Holidays.

Murray

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