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Philco 87 grid voltages
rfeenstra
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#2

04-17-2019, 10:08 AM
Welcome!  Are the cathodes running at a positive voltage giving a net negative voltage on the grids? Would have to look at the schematic to see how they are biased.
(This post was last modified: 04-17-2019, 10:09 AM by rfeenstra.)
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Philco 87 grid voltages - by HooiserScootrer - 04-17-2019, 08:06 AM
RE: Philco 87 grid voltages - by rfeenstra - 04-17-2019, 10:08 AM
RE: Philco 87 grid voltages - by Radioroslyn - 04-17-2019, 10:39 AM
RE: Philco 87 grid voltages - by HooiserScootrer - 04-17-2019, 08:02 PM



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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration