Parmak 1929 Help

Thread Rating:

0 Vote(s) - 0 Average
1
2
3
4
5

Linear Mode

Parmak 1929 Help

Eric
Senior Member

Posts: 451
Threads: 85
Joined: Nov 2011
City: Cumming, GA

#11

05-21-2015, 08:30 PM

Lot's of good info to check. I applied some voltage as I outlined above but did not go full voltage. I had about 3v on the filaments they all read the same and had about 100v on the speaker also I got a hum out of the speaker. But a thought came to me I have 5 01A's and one 171. The 171 is supposed to be in the last stage audio how can I determine that? Would the 171 be hooked up to the speaker? If you look at the under side of the chassis you will notice that one socket on the end is different from the others it is spring loaded why?

Find

« Next Oldest | Next Newest »

Messages In This Thread

Parmak 1929 Help - by Eric - 05-20-2015, 04:24 PM

RE: Parmak 1929 Help - by Radioroslyn - 05-20-2015, 06:00 PM

RE: Parmak 1929 Help - by Radioroslyn - 05-20-2015, 06:20 PM

RE: Parmak 1929 Help - by Eric - 05-20-2015, 09:16 PM

RE: Parmak 1929 Help - by Radioroslyn - 05-20-2015, 10:30 PM

RE: Parmak 1929 Help - by Eric - 05-21-2015, 09:31 AM

RE: Parmak 1929 Help - by Eric - 05-21-2015, 12:04 PM

RE: Parmak 1929 Help - by mikethedruid - 05-21-2015, 03:34 PM

RE: Parmak 1929 Help - by Radioroslyn - 05-21-2015, 07:09 PM

RE: Parmak 1929 Help - by mikethedruid - 05-21-2015, 07:26 PM

RE: Parmak 1929 Help - by Eric - 05-21-2015, 08:30 PM

RE: Parmak 1929 Help - by mikethedruid - 05-21-2015, 10:40 PM

RE: Parmak 1929 Help - by Radioroslyn - 05-22-2015, 06:16 AM

RE: Parmak 1929 Help - by Eric - 05-22-2015, 08:06 AM

RE: Parmak 1929 Help - by Eric - 05-22-2015, 08:40 AM

RE: Parmak 1929 Help - by mikethedruid - 05-22-2015, 10:24 AM

RE: Parmak 1929 Help - by Radioroslyn - 05-22-2015, 09:24 PM

RE: Parmak 1929 Help - by Eric - 05-23-2015, 10:26 AM

RE: Parmak 1929 Help - by mikethedruid - 05-23-2015, 12:37 PM

RE: Parmak 1929 Help - by Eric - 05-23-2015, 01:16 PM

RE: Parmak 1929 Help - by mikethedruid - 05-23-2015, 05:56 PM

RE: Parmak 1929 Help - by Eric - 05-24-2015, 10:36 AM

RE: Parmak 1929 Help - by Radioroslyn - 05-24-2015, 11:23 AM

RE: Parmak 1929 Help - by Eric - 05-25-2015, 08:38 AM

RE: Parmak 1929 Help - by Radioroslyn - 05-25-2015, 09:50 AM

RE: Parmak 1929 Help - by Eric - 05-25-2015, 12:10 PM

RE: Parmak 1929 Help - by Radioroslyn - 05-25-2015, 02:02 PM

View a Printable Version

Users browsing this thread: 5 Guest(s)

Recent Posts
HiFi (Chifi) tube amp build - but my own design.
And so does a barber shop quartet. mmmmmmRodB — 03:54 PM
Shadow Meter Bulb
I did try an LED bulb in place of the original but wasn't impressed with the amount of light on the dial. Seems like it ...RodB — 03:51 PM
HiFi (Chifi) tube amp build - but my own design.
Tim Would mounting he transformer vertically change the hum, if used without additional parts? Also, in these amps...morzh — 02:25 PM
Shadow Meter Bulb
Gary I doubt it would introduce any noise. We use similar lamps for the panel indication, 12V AC lamps: they are LEDs...morzh — 02:15 PM
Shadow Meter Bulb
Not sure if anyone has tried this but there are 6.3 volt miniature lamps in bayonet and screw-in base options available ...GarySP — 11:31 AM
Shadow Meter Bulb
Any 6.3 volt pilot light will work. I would use the brightest one I could find in my workroom. Be sure the dial is clean...RodB — 10:45 AM
HiFi (Chifi) tube amp build - but my own design.
Tim, nice write up and thanks for sharing !! Sincerely Richardradiorich — 02:47 AM
HiFi (Chifi) tube amp build - but my own design.
Well, this was a real "Hum-Dinger" :lol: ! This will be kinda long, but hopefully it will help others having t...TV MAN — 01:55 AM
Shadow Meter Bulb
Phorum members, I am trying to find the bulb # for PHILCO Shadow Meter part number 45-2180 that is from a 37-640 chassis...georgetownjohn — 06:53 PM
Philco 41-608 changer coupler
3D-printing...short of machining, of course. Or molding.morzh — 05:20 PM

Who's Online
There are currently no members online.

Login
Username:
Password:	Lost Password?
	Remember me