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Cone-Centric Tool 45-2475 - Printable Version

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Cone-Centric Tool 45-2475 - KF0QAL - 12-30-2024

Looking for a Cone-Centric Tool 45-2475 for my Philco 38-4. Located an article under Philcoradio.com/Repairbench/conecentric/index.htm that it may be available from Ken Wright at wklw@cox.net but that email is no longer valid.

KF0QAL

RE: Cone-Centric Tool 45-2475 - DaleHCook - 12-31-2024

Ken Wright passed away in 2023.

Philco 38-4 - KF0QAL - 01-18-2025

Looking for any material information for my Philco 38-4, manual, antenna info etc.

KF0QAL

RE: Cone-Centric Tool 45-2475 - morzh - 01-18-2025

There is some here, don't know if you already looked.
http://www.nostalgiaair.org/PagesByModel/250/M0013250.pdf

RE: Cone-Centric Tool 45-2475 - David - 01-18-2025

Some info hope it helps.  David  https://philcoradio.com/library/index.php/documents/philco_docs/manuals/philco-38-4-instructions/       https://antiqueradios.com/forums/http://www.tuberadioland.com/philco38-4_rear.htmlviewtopic.php?t=60535

RE: Cone-Centric Tool 45-2475 - KF0QAL - 01-19-2025

Thanks for all your input regarding my search for information on the Philco 38-4 radio. I am also looking for recommendations to install, what type of antenna, up to my attic, due to being in an HOA, that can give me reception on both bands of this radio. Thanks

KF0QAL

RE: Cone-Centric Tool 45-2475 - David - 01-19-2025

I have never worked on a 38-4 but will try giving you some ideas to work with. A simple long wire in the attic can take pvc pipe or fitting to make insulators.  Second would be a dipole, insulator in the middle of the ant wire and two leads going to the radio. I have a long wire in my attic total length 30 feet happy with the results. Work shop one ant is a piece of wire app 20 feet long under a over hang some what directional. The wire can be something as small as 18-20 gauge in a attic. David

RE: Cone-Centric Tool 45-2475 - radiorich - 01-20-2025

Hello Guys,
Yes, I too work on my Philco mine is the tabletop version with that same tuning and I want to make that tool .
Sincerely Richard

462ron - 462ron - 01-20-2025

KFOQAL, Here’s the way I was able to get a long wire antenna for my radios with little work, maybe an option for you if you have a landline phone. My phone service line coming to my home has 4 wires in it, 2 of which are for the phone, the other 2 maybe for a second phone service which I don’t have. I use those extra wires as my long wire antenna. I connect those 2 together, then through a .001mfd cap, connect the other end to the 2 unused wires that go to the rest of the phone jacks in my home. I estimate the length of the phone service wire going up the side of my home plus the distance to the pole on the street to be about 60’-70’ approximately. Now I can use an old phone plug wire and use the 2 wires that don’t carry the phone service and attach it to my radio and plug into any phone Jack in my house and have an instant 70’ long wire antenna and it works great. I don’t have an HOA but I don’t have anyway to get up in the air that high or anything on my property to tie the other end to so this was easy to do with little work and works great. Hope this would be an option for you!

Ron

RE: Cone-Centric Tool 45-2475 - Arran - 01-24-2025

I'm pretty sure that I have one of those tools, but it's home made, it's basically a smaller flat bladed screwdriver with a slot cut into the middle of the blade. I'm sorry that I don't have the dimensions, but you could make one with a cheap standard screwdriver and a Dremmel tool, or a jeweler's saw.
Regards
Arran

RE: Cone-Centric Tool 45-2475 - radiorich - 01-24-2025

Hello everyone,
Thank you for the information !!

Sincerely Richard

RE: Cone-Centric Tool 45-2475 - DaleHCook - 01-25-2025

(01-24-2025, 03:23 PM)Arran Wrote:  ... you could make one with a cheap standard screwdriver and a Dremmel tool, or a jeweler's saw.

I have done that to make a tool for a specific repair. My Dremel 3000 is my most used power tool. Over the past 35+ years I have assembled a collection of over 100 attachments (grinding bits, brushes, saws, polishing felts, etc.), several accessories (flexible extension, right-angle extension, etc.), and several polishing compounds. For cutting the slot I used a thick cut-off wheel.