Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12, 2025) x


Philco 38-12 question
#12

The resistor seems original. I probably would leave it be, considering that it is within tolerance for 270 Ohm and not that far out of tolerance for 250.

2M resistor is fine.
40K is also fine.

If you want to replace them, do it, but it will work fine as is.

PS. Did not see the original photos of teh whole chassis; the middle tube, the 75, the 2nd Det/1st Audio, is supposed to have a shield around it. If you decide to align without it, you might get squealing.

People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.


Messages In This Thread
RE: Philco 38-12 question - by morzh - 01-20-2026, 04:39 PM
RE: Philco 38-12 question - by morzh - 01-20-2026, 06:22 PM
RE: Philco 38-12 question - by morzh - 01-20-2026, 06:35 PM
RE: Philco 38-12 question - by RodB - 01-21-2026, 11:03 AM
RE: Philco 38-12 question - by morzh - 01-21-2026, 05:17 PM
RE: Philco 38-12 question - by morzh - 01-25-2026, 03:17 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Philco 71 Code 125
Looks like that might be the B- buss, so that would be correct.RodB — 01:32 PM
Philco 71 Code 125
I noticed on the code 121 schematic the center tap for the 6 volt winding and hv winding are tied together. Is this corr...dconant — 12:16 PM
Philco 45-6365 Universal IFT Instruction Manual
The Philco Parts Catalog for 1942 shows it as usable for 175 kHz, 260 kHz, and 465 kHz. The instructions will show how t...DaleHCook — 11:19 AM
Stromberg Carlson 1500 Squeal
Hello Rob, I agree with you—I have one here at my house that I need to check out. It’s way over-engineered just to make...radiorich — 11:05 AM
My Atwater Kent 84
Well getting around to restoring my AK84. Mike was a big part in me being able to snatch this one a few years ago. I won...462ron — 10:57 AM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
The engine is a B&S 23 inch cast Iron holds 2 quarts of oil. The Generator is a 4 pole 1800 rpm mine was made in 195...David — 10:51 AM
Philco 45-6365 Universal IFT Instruction Manual
Dale: Modified topic as suggested. It is not for a specific project. I found it in a box of stuff I recently purchased...GRG — 10:34 AM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
That looks a lot like an aircraft connector of some kind ... That is a MIL-5015 style connector, used in a wide v...DaleHCook — 10:19 AM
Philco P45-6365 Universal Transformer Instruction Manual
I would suggest changing the topic from "P45-6365 Universal Transformer" to "45-6365 Universal IFT."...DaleHCook — 10:08 AM
Stromberg Carlson 1500 Squeal
And life just keeps getting more complicated. By dconant. Dittos'Jimradio — 08:01 AM

[-]
Who's Online
There are currently 2429 online users. [Complete List]
» 2 Member(s) | 2427 Guest(s)
AvatarAvatar

>