Re: Home Intercom Retrofit

[Art Todesco <actodesco@xxxxxxxxx>]

One answer might be, emphasis on the "might," is
that some systems
use 45ohm speakers and some use 4ohm speakers.
Will this be a
show stopper?  Maybe.  It depends on amp power,
etc.  If it were
me, I would get a schematic of the new, and if you
can, the old, and
go from there.

Robert L. Bass wrote:
>>I recently moved into a home with an
>>old M&S Model 350 intercom.  The
>>Speakers all seem to work ok, but the
>>master unit is in bad shape. It doesn't
>>turn off the program/set time buttons
>>do not work.
>>
>>I found the DCM3-4 unit online as a
>>retrofit replacement. This looks like
>>it'll work, but everything I see regarding
>>the installation indicates that I have to
>>replace ALL the Speaker stations as well.
>
>
> That is correct.  The old room station speakers are not compatible with the
> new DCM3-4 system.
>
>
>>After inspecting one of the speaker I'm
>>puzzled as to why...
>
>
> It's just the way they designed the new system.  A cynical person might be
> inclined to believe they just wanted to sell more new stations.  I spoke to
> my M&S rep and he seems to think that's the reason, too.  If you need help
> configuring a setup, feel free to contact me.  I carry M&S though I haven't
> put all of the components online yet.
>