Posts: 16,273
Threads: 566
Joined: Oct 2011
City: Jackson
State, Province, Country: NJ
Oh! Ron, I may know what Brenda is talking about!
There IS a metal 6A7. But it is a Russian pentagrid tube, and is NOT pin-compatible with American 6A7.
This may confuse some falks - they are sold same way, as 6A7 on auctions.
It has that characteristic "ruffling" on top.
http://www.radiomuseum.org/tubes/tube_6a7~2.html
Messages In This Thread
RE: 38-15 Restoration - by morzh - 04-26-2013, 11:56 AM
Users browsing this thread: 24 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 7097 online users. [Complete List] » 1 Member(s) | 7096 Guest(s)
|
|
|
![>](https://philcoradio.com/phorum/images/bootbb/asb/right_arrow.png)
|