[MRCA] VN-era speaker unit question

[D. Platt]

On 8/21/2013 8:23 AM, Rob Flory wrote:
> Hi,
> I am preparing a public demonstration of a TBX set where it would be 
> desirable to have audio that people standing around the set could hear.
>
> Do I have it right that the iconic VN-era speaker, which has a switch 
> on the side for "Field or Pack Set Use" or "Vehicle Set Use" has an 
> impedance through a transformer of hundreds of ohms in one of those 
> positions?
>
> I don't know the nomenclature for the speaker, as the example I have 
> doesn't have a tag.  Can someone tell me the nomenclature?
>
> Unfortunately I don't have the TBX set to just hook it up and try it.
>
> Thanks, Rob
>
>

Rob,

The impedance of the LS-166 and LS-454 are both 600 ohms, of course.    
Both these speakers look the same and both have the nomenclature 
engraved on the side.   I'm curious as to the one you might have?  The 
LS-7 and LS-11 stamped metal speakers (with louvers) usually have 
painted-on nomenclature or a metal tag and are nom. 4000 ohms.  They 
were, of course, for the GRC-9, et al. but do not have the selector 
switch.  What connector is on the one you have?

Jeep - K3HVG