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

Thread Closed
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Shadow meter question
#1

I just acquired a nice 37-630 and while the power meter is working, there is a problem. The meter works great in shortwave, pretty good in police band, and hardly at all in broadcast. Any suggestions?
#2

Sounds like it's not a shadow meter problem, but a problem with the broadcast band. Perhaps you have an open coil, or maybe in need of an alignment?
#3

My guess is an open antenna coil in the broadcast band.

Like Brenda says, it's not a shadow meter problem.

Pete AI2V
#4

I think the same. It is not the shadow meter. It is your RF, possibly the mentioned coil.
#5

Hi All;
Groundhog74, The picture you have in the upper corner, could have been me in my younger days..
THANK YOU Marty
#6

If the rf side had a bad coil the radio wouldn't work...right?
Possibly the alignment? Once my output coil comes in I'll check it out. Thanks for the suggestions. This is the first shadow meter I've found that is still working.

Marty.....I had a few "shocking" experiences when I was a kid. After I blew a bunch of fuses in the house trying to re-wire a record player I was "convinced" by dad and the repeated near electrocutions to quit.
#7

When I was around 5, I discovered that a pair of tweezers was just the right shape to put into an outlet.
#8

I was a good boy...mostly.

At the age of 10 I decided to make my own electrical soldering iron by wrapping some NiCr wire around a bare piece of metal with a wooden handle and connecting it directly to the plug (no insulation).
When no one was home I plugged it in (I had my doubts but went ahead with it anyway). Blue burning pieces flew by me and the lights went out.
I changed the fuse and so my parents did not find out ... they still do not know.
Otherwise there was no damage or injuries.




Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Need Help to ID this radio 11 tube Philco
Yes the 16B as morzh pointed out. Specifically its the January 1935 model version of the 16B. There are a couple earli...klondike98 — 11:51 PM
48-482 rear panel help
Welcome to the Phorum, keithchip! How far you take a radio on cabinet restoration is a matter of personal preference. ...GarySP — 11:28 PM
48-482 rear panel help
I've recently finished the internal restoration of a locally purchased Philco 48-482. The cabinet is in ok shape except ...keithchip — 10:28 PM
Need Help to ID this radio 11 tube Philco
Welcome to the Phorum, Ken! Lots of help here for all of your restoration questions. Take care and BE HEALTHY! - Gar...GarySP — 07:59 PM
Need Help to ID this radio 11 tube Philco
Thank you. I went to your online library and found 2 schematics. I will download and compare to components!Ken D. — 06:31 PM
Need Help to ID this radio 11 tube Philco
It is a 16B tombstone.morzh — 06:13 PM
Zenith H725
David - sorry, I reread your post and finally saw THD - now the % figures make sense. Thanks for explaining. The PSU...EdHolland — 06:06 PM
Need Help to ID this radio 11 tube Philco
Hi Everyone, New member but have been reading this for awhile for tips! Vaccum tubes were before my time so bear with ...Ken D. — 06:03 PM
My Philco 37-116 Restore
Thank you MrFixR55, I appreciate your comments very much. I do not detect much hum if any so I will be staying with the ...dconant — 05:15 PM
My Philco 37-116 Restore
Hi DConant Yes, you can replace chokes with resistors.  You do stand the risk of increased hum.  the solution is to inc...MrFixr55 — 04:23 PM

[-]
Who's Online
There are currently 588 online users. [Complete List]
» 1 Member(s) | 587 Guest(s)
Avatar

>