Speaker from model 20 into a model 70?

Register

Guest Join Us

Hello Guest,

Please feel free to join us!
There are many more parts of the Phorum that only members can see.

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

Thread Rating:

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

Linear Mode

Speaker from model 20 into a model 70?

NostalgiaRadioTime
Super Moderator

Posts: 1,533
Threads: 242
Joined: Sep 2012
City: West Bend, Wisconsin

#2

12-26-2016, 09:46 PM

Yes....and this link should be helpful in explaining how:

http://philcoradio.com/phorum/showthread.php?tid=14991

Greg V.
West Bend, WI
Member WARCI.org

« Next Oldest | Next Newest »

Messages In This Thread

Speaker from model 20 into a model 70? - by sdradioman - 12-26-2016, 09:32 PM

RE: Speaker from model 20 into a model 70? - by NostalgiaRadioTime - 12-26-2016, 09:46 PM

RE: Speaker from model 20 into a model 70? - by sdradioman - 12-26-2016, 10:25 PM

View a Printable Version

Users browsing this thread: 1 Guest(s)

Recent Posts
Rogers Majestic R-646
Vlad; I was just reminded of something else, I'm not sure why but many Rogers built sets do seem to have open primari...Arran — 04:40 PM
Rogers Majestic R-646
Thanks RpdB I don't think there's much difference with interstage transformers of different models other than dimersion...Vlad95 — 03:27 PM
Rogers Majestic R-646
Vlad; I looks like your set has the same problem that mine did, both a bad output transformer, and a bad audio inters...Arran — 03:21 PM
Rogers Majestic R-646
Ouch! Not often the secondary takes a hit. Wish there was a better solution. I have a good interstage transformer but it...RodB — 02:59 PM
Rogers Majestic R-646
By the way, the bypass you suggested is a rare solution in some circuits. For example, this schematics solution is used...Vlad95 — 01:43 PM
Rogers Majestic R-646
No, you are wrong, because you did not know the details. Unfortunately, only ONE winding out of six is intact in both t...Vlad95 — 01:14 PM
Rogers Majestic R-646
The output 45s are still in push-pull because the transformer secondary winding is still in the grid circuit providing o...RodB — 11:52 AM
Rogers Majestic R-646
Thanks RodB for the help. But this is not a real solution to this situation, not even a temporary one. Because the firs...Vlad95 — 11:34 AM
Philco Model 16 wiring question
I was going to check the voltages as you suggested and hooked it up to my dim bulb. It appears I have a short. The bul...bobclausen — 10:34 AM
Rogers Majestic R-646
You can bypass the interstage transformer by disconnecting the primary, connect a load resistor of about 10k - 20k to th...RodB — 09:40 AM

Who's Online

There are currently 993 online users. [Complete List]
» 4 Member(s) | 989 Guest(s)