philco bakelite block labeled 8174 B

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philco bakelite block labeled 8174 B

aSamuel
Junior Member

Posts: 3
Threads: 3
Joined: Jan 2024
City: Ogden State, Province, Country: Utah

#1

05-13-2024, 05:42 PM

Can anyone tell me what is inside philco bakelite block labeled 8174 B from philco model 89
thanks all =

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Radioroslyn
Phorum Expert

Posts: 7,285
Threads: 268
Joined: Dec 2009
City: Roslyn Pa

#2

05-13-2024, 06:23 PM

I can. Some tar, the plate bypass cap for the rf amp and the cathode bypass cap for the oscillator.

https://philcoradio.com/library/download...%20146.pdf

When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry

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Brad Winder
Senior Member

Posts: 330
Threads: 30
Joined: Aug 2017
City: Hay Lakes, Alberta,Canada

#3

05-13-2024, 08:37 PM

05-13-2024, 08:36 PM

According to Ray Bintliff's very fine book "Philco Condensers and More" there is a 0.05uF and a 700pF cap inside.

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