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Mix and match?

Started by Mark S, August 29, 2019, 09:54:23 PM

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Mark S

Off the wall Question:  I'm in the process of setting up a Panasonic 616 PBX with a few vintage rotary phones exclusively for intercom use.  A few EBay posts have antique intercom phones (Samson, WE, SC) with cool watch case receivers I wouldn't mind adding to the circuit.  Does anyone have any experience integrating these? Is that possible?  Attached is a photo example of what I'm seeing.
Thanks!
Mark

RB

Hi Mark.
Disclaimer... I don't know those phones.
If they are intercoms, they will prob need a voice coil and a CB hook switch to make them a complete phone.
Then they shud hook right up.
They will have no signal capability, but may ring from the 616.
Can you post a pic or two of the insides?
That will help.

Mark S

Thanks.  I haven't purchased any yet, so the pix are limited to what they show on EBay.  The one I've attached as an example is a Stromberg Carlson intercom phone.  The other is a Samson Jr but no inside pictures.  I'm pretty sure I could get them to buzz but I'm wondering if I could utilize the call button to be functional in this set up.

HarrySmith

If they were intercoms and you intend to use them as intercoms they should be fine. Once you connect them properly and add a power supply you should be good to go.
Harry Smith
ATCA 4434
TCI

"There is no try,
there is only
do or do not"

RB

I don't know about runnin them through a 616 tho???
don't think that setup will fly.

HarrySmith

Yes, you may be right, I missed that. I do believe they can be connected together and work that way.
Harry Smith
ATCA 4434
TCI

"There is no try,
there is only
do or do not"

Jim Stettler

Ralph Meyers book has intercom circuits. Some use a 1:1 audio isolation transformer to keep them isolated. This is the type of circuit that MAY work for your application.
I think their is a link for a free download of Ralph's book on this forum. If not the book may be on this site or in the TCI library.
In the past I posted a link to  Ralph's Dreyfuss article. I asked permission and got it, as well as a free download for his book. I couldn't easily find it the link , but it should be on the forum.
If anyone  finds the  free link to Ralphs book, please post it to this thread.
Thanks,
Jim
You live, You learn,
You die, you forget it all.

HarrySmith

Harry Smith
ATCA 4434
TCI

"There is no try,
there is only
do or do not"

Mark S

Thanks for your help.  I figured it was a long shot question to see if anyone matched the two types in one system.  I have an older version of the book and reviewed the circuits.  If I had an intercom phone already I'd try it, but I'll walk away from bidding on one to integrate at this point.
Mark