How do I identify a Speaker/Mic with the product number 5150/500, 5150/510, 1128/500 or 1128/510?

5150/50 Urmet speaker/mic unit is replaced by part ref 1128/500 and can be identified by its 4 terminals: -

 

1

2

+

-


5150/500 Urmet speaker/mic unit is replaced by part ref 1128/500 and can be identified by its 5 terminals: -

 

1

1A

2

+

-

 

5150/510 Urmet speaker/mic unit is replaced by part ref 1125/510 and can be identified by its 6 terminals: -

 

1

1A

2

-/~

~

PS

 

L
Lee is the author of this solution article.

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