Motorola center channel speaker resistor?

[jpatti75]

Could someone explain to me why some of the 3-channel Motorola console center speakers (12 & 15” Golden Voices) have a cement resistor across the com/pos speaker wire connections and others do not?

thanks,
JP

 

[cademan]

Neved seen one myself.

My 3 channel console 12 inch bass speaker does not have one. Got a schematic by any chance?

 

[jpatti75]

Thanks, Cademan. I’ve only seen them on eBay when looking for replacements for my speaker (which I was able to repair, thankfully). The schematic for my unit doesn’t show one. Just curious why they might be needed in some applications. Here is a picture of one ….

 

[cademan]

You will notice that it is not connected directly to both positive and negative lugs. It is/was probably for another speaker so who knows.

 

[Lavane]

I agree. Its not connected to the negative side. It's pushed onto its own terminal.
From there to anotherdriver.

 

[jpatti75]

Thanks guys … been curious why I’ve seen a few like this.