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

AK808A
#50

Another piece of good news, the shadograph works. It does have a resistor in parallel inside it, but 1K kinda gave me hope the coil was intact.
I had to swap the lights places, the dial one was very bright whereas the shaograph was on the dim side, so after that the shadograph became really crisp, just had to adjust the lamp hoder position.

The sensitivity is so far so-so which might be due to antenna absense, or Avc Voltage not developed proprely, will look at it.

I also thought of magnet being weak but then in the beginning it forms very thin line, and then goes almost full width, after which it settles in the middle and does react to tuning but not as much as I'd like, this is why I think the magnet is fine.

My bet is on antenna as the 2nd detector (I have yet to see where it goes to the meter but has to be it) tube is very strong.


Messages In This Thread
AK808A - by morzh - 10-29-2014, 08:57 PM
RE: AK808A - by Arran - 10-30-2014, 12:36 AM
RE: AK808A - by morzh - 10-30-2014, 11:20 AM
RE: AK808A - by fields 100 - 10-30-2014, 06:13 PM
RE: AK808A - by morzh - 10-30-2014, 07:24 PM
RE: AK808A - by fields 100 - 10-30-2014, 08:00 PM
RE: AK808A - by morzh - 10-30-2014, 10:42 PM
RE: AK808A - by fields 100 - 10-31-2014, 08:27 AM
RE: AK808A - by thirtiesradio - 10-31-2014, 10:39 PM
RE: AK808A - by fields 100 - 10-31-2014, 11:25 PM
RE: AK808A - by Arran - 11-01-2014, 04:29 AM
RE: AK808A - by thirtiesradio - 11-01-2014, 09:39 PM
RE: AK808A - by fields 100 - 11-01-2014, 06:22 AM
RE: AK808A - by thirtiesradio - 11-01-2014, 09:35 PM
RE: AK808A - by Arran - 11-02-2014, 12:30 AM
RE: AK808A - by thirtiesradio - 11-02-2014, 03:08 AM
RE: AK808A - by morzh - 11-02-2014, 04:02 PM
RE: AK808A - by morzh - 11-03-2014, 10:48 PM
RE: AK808A - by morzh - 11-05-2014, 11:55 PM
RE: AK808A - by thirtiesradio - 11-06-2014, 01:51 AM
RE: AK808A - by fields 100 - 11-06-2014, 07:23 AM
RE: AK808A - by morzh - 11-06-2014, 02:41 PM
RE: AK808A - by fields 100 - 11-06-2014, 08:12 PM
RE: AK808A - by Arran - 11-06-2014, 11:49 PM
RE: AK808A - by thirtiesradio - 11-07-2014, 01:15 AM
RE: AK808A - by morzh - 11-07-2014, 12:34 AM
RE: AK808A - by Arran - 11-07-2014, 02:31 AM
RE: AK808A - by Phlogiston - 11-07-2014, 03:12 AM
RE: AK808A - by morzh - 11-07-2014, 10:55 AM
RE: AK808A - by thirtiesradio - 11-07-2014, 05:58 PM
RE: AK808A - by thirtiesradio - 11-07-2014, 09:27 PM
RE: AK808A - by morzh - 11-07-2014, 09:39 PM
RE: AK808A - by morzh - 11-07-2014, 09:40 PM
RE: AK808A - by morzh - 11-09-2014, 08:58 PM
RE: AK808A - by morzh - 11-09-2014, 09:03 PM
RE: AK808A - by Arran - 11-11-2014, 05:56 AM
RE: AK808A - by morzh - 11-11-2014, 09:27 PM
RE: AK808A - by morzh - 11-13-2014, 10:40 PM
RE: AK808A - by morzh - 12-06-2014, 08:26 PM
RE: AK808A - by morzh - 12-06-2014, 10:51 PM
RE: AK808A - by morzh - 12-07-2014, 12:36 AM
RE: AK808A - by sam - 12-07-2014, 03:33 AM
RE: AK808A - by Radioroslyn - 12-07-2014, 03:50 AM
RE: AK808A - by morzh - 12-07-2014, 10:25 AM
RE: AK808A - by Radioroslyn - 12-07-2014, 10:33 AM
RE: AK808A - by morzh - 12-07-2014, 11:26 AM
RE: AK808A - by morzh - 12-07-2014, 11:33 AM
RE: AK808A - by Eliot Ness - 12-07-2014, 11:57 AM
RE: AK808A - by morzh - 12-07-2014, 12:05 PM
RE: AK808A - by morzh - 12-07-2014, 01:10 PM
RE: AK808A - by AI2V - 12-10-2014, 09:58 PM
RE: AK808A - by morzh - 12-10-2014, 11:33 PM
RE: AK808A - by thirtiesradio - 12-12-2014, 11:13 AM
RE: AK808A - by morzh - 12-12-2014, 02:44 PM
RE: AK808A - by thirtiesradio - 12-12-2014, 04:35 PM
RE: AK808A - by morzh - 12-12-2014, 05:09 PM
RE: AK808A - by thirtiesradio - 12-12-2014, 05:33 PM
RE: AK808A - by morzh - 12-14-2014, 10:38 PM
RE: AK808A - by morzh - 12-19-2014, 10:08 PM
RE: AK808A - by sam - 12-19-2014, 11:01 PM
RE: AK808A - by Arran - 12-20-2014, 02:42 AM
RE: AK808A - by morzh - 12-19-2014, 11:35 PM
RE: AK808A - by sam - 12-19-2014, 11:48 PM
RE: AK808A - by morzh - 12-20-2014, 12:39 AM



Users browsing this thread: 2 Guest(s)
[-]
Recent Posts
An attempt to remove the Field Coil from a G speaker
Gary I in fact did, on a 38-14, I think, where I had a speaker with the dead coil. Well...it kinda worked. Kinda, be...morzh — 10:38 PM
An attempt to remove the Field Coil from a G speaker
Mike, what ever happened to that plan you had to try using a rare earth magnet to magnetize the pole? This looks like a...GarySP — 10:25 PM
RCA T62 is playing.....
Beautiful set.morzh — 09:07 PM
An attempt to remove the Field Coil from a G speaker
Well....here it is. The green stuff. Unfortunately, probably penetrates deep. I opened the top layer and saw that: ...morzh — 08:58 PM
Philco 91 Restore Code ??
:clap: :clap: :clap: :clap: Really nice workmanship!!! Top of the chassis looks great. Sorry about the long winded e...MrFixr55 — 08:09 PM
Philco 40-120C Restoration
Thank you for your reply. I will check voltages on the other tubes, look at resistor 23 and cap 25, etc. If all else fai...bluecap — 07:58 PM
RCA T62 is playing.....
Nice looking set great save. DavidDavid — 07:48 PM
Philco 89 indicator light.
Hello Jim, I have done several 89s. The trick is to move the drum in or out on it's shaft. You will need to loosen a set...dconant — 07:36 PM
An attempt to remove the Field Coil from a G speaker
MrFixr Yes, it is my plan to go with 45rpm spider if I go that far. No, the pole was not left-handed as I unscrewed ...morzh — 07:14 PM
Philco 40-120C Restoration
Change the tube. Check the tube's bias network. Are any other tubes experience the drop or just this?` Is resistor 23 OK...morzh — 07:09 PM

[-]
Who's Online
There are currently 6250 online users. [Complete List]
» 1 Member(s) | 6249 Guest(s)
Avatar

>