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Philco 118 B+ on IF and RF tubes?
Arran
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#4

07-10-2017, 04:14 PM
Don't attempt to power up one of these without the field coil, or a substitute choke in place, or bad things will happen to some of the resistors around those tubes. Pulling the speaker does NOT kill the B+ to the entire radio, so whatever is still connected gets almost the full B+ from the power supply with the load of the power outputs removed. It's a design flaw really that Philco did not add a jumper on the speaker plug and socket to take care of this.
Regards
Arran
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Messages In This Thread
Philco 118 B+ on IF and RF tubes? - by NV3G - 07-10-2017, 09:35 AM
RE: Philco 118 B+ on IF and RF tubes? - by morzh - 07-10-2017, 10:00 AM
RE: Philco 118 B+ on IF and RF tubes? - by Arran - 07-10-2017, 04:14 PM



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