Forums :: Resources :: Features :: Photo Gallery :: Vintage Radio Shows :: Archives :: Books
Support This Site: Contributors :: Advertise


It is currently Dec Mon 18, 2017 10:01 am


All times are UTC [ DST ]





Post New Topic Post Reply  [ 8 posts ] 
Author Message
 Post subject: S-38 Speaker Replacement
PostPosted: Nov Tue 01, 2005 10:13 pm 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 683
Location: St. Marys / Kingsland / Kings Bay, GA
Just curious. The S-38 I am working on has the speaker cone virtually disintegrated into dust. I know it can be repaired but it seems like an awful lot of work for a radio that I do not intind to stay completely original on. I noticed it is a magnet(?) speaker. Can I replace this with a much newer speaker, then, since there are not field coils? Also, what is the impedance? 4 ohm? 8 ohm?<P>Thanks,<BR>David<P>------------------<BR>


Top
 Profile  
 
 Post subject: S-38 Speaker Replacement
PostPosted: Nov Tue 01, 2005 10:22 pm 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 239
Location: Bedford, Pa, USA
Hello,<P>Speaker impedance is 3.2 ohms. It should be on the parts list page 5! And it is a PM speaker, no problem replacing with a new one!<P>Here's the schematic <A HREF="http://www.pennswoods.net/~n3gov/S-38/" TARGET=_blank>http://www.pennswoods.net/~n3gov/S-38/</A> <P>Steve<P>------------------<BR>I'm getting better at this!<P>"Anything the human mind can concieve it can achieve" <P>Albert Einstein


Top
 Profile  
 
 Post subject: S-38 Speaker Replacement
PostPosted: Nov Wed 02, 2005 4:51 am 
Member
User avatar

Joined: Jan Thu 01, 1970 1:00 am
Posts: 5814
Location: Black Hills, SD 57745
I tend to run mine on an external speaker for better sound. It's an 8 ohm Radio Shack Minimus. <P>Any speaker that fits the mounts will work, just be sure the cone does not extend past the gasket at higher volumes. Some modern drivers are designed for mounting on the outside of the enclosure and don't have much of a gasket on their fronts.<P>-Ed<P>------------------<BR>


Top
 Profile  
 
 Post subject: S-38 Speaker Replacement
PostPosted: Nov Fri 04, 2005 9:02 pm 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 6484
Location: Freeport, LI, New York 11520
If that's the case, glue a few thick cardboard strips on the original gasket of your new speaker to give you the depth you need.<BR>Provided,of course,that the back of the magnet assy clears the deck of the chassis.<P>------------------<BR>Antique Radio Repair Service<BR>Freeport,Long Island,NY<BR> 11520<BR>"Resistance may be futile but capacitance has potential"


Top
 Profile  
 
 Post subject: S-38 Speaker Replacement
PostPosted: Nov Fri 04, 2005 11:24 pm 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 683
Location: St. Marys / Kingsland / Kings Bay, GA
I may already have a speaker. And I definately have a neoprene type material that would make a good gasket. Thanks.<P>------------------<BR>


Top
 Profile  
 
 Post subject: S-38 Speaker Replacement
PostPosted: Nov Sat 05, 2005 7:23 am 
Member
User avatar

Joined: Jan Thu 01, 1970 1:00 am
Posts: 2984
Location: Fort Washington,MD 20744
I was able to patch my original speaker so it works but I find it sounds really good with external speakers. I had a couple of old radio shack 6" 50w 8 ohm speakers sitting around so I use them hooked in parallel for 4 ohm. <P>------------------<BR>Knowledge gained and not shared is wasted.<P><BR>Doug Herigstad


Top
 Profile  
 
 Post subject: Re: S-38 Speaker Replacement
PostPosted: Dec Sat 02, 2017 7:30 am 
New Member

Joined: Dec Sat 02, 2017 6:14 am
Posts: 4
The speaker inside my S-38C was in a sad state with a 1" high 63 year old dust bunny sitting on the cone. I see earlier in the thread that the speaker in the S-38 is 3.2 ohms, does that mean I can safely replace it with a similar size 4 ohm car speaker I have sitting around? Seems close enough, does the Wattage on the car speaker make a difference.
George1


Top
 Profile  
 
 Post subject: Re: S-38 Speaker Replacement
PostPosted: Dec Sun 03, 2017 1:18 am 
Member
User avatar

Joined: Jan Thu 01, 1970 1:00 am
Posts: 5814
Location: Black Hills, SD 57745
4 ohms is fine, speaker wattage a non-issue in this use.
-Ed


Top
 Profile  
 
Post New Topic Post Reply  [ 8 posts ]  Moderator: Sandy

All times are UTC [ DST ]


Who is online

Users browsing this forum: Geoff Fors and 9 guests



Search for:
Jump to:  


















Privacy Policy :: Powered by phpBB