1968 10inch alnico

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hebaton
Posts: 207
Joined: Sat Jun 26, 2021 5:50 pm
Location: Saint Paulin Canada

1968 10inch alnico

Post by hebaton »

HAve a set of CTS 10 ich alnico from Fender amp coded 064121 but cannot tell what terminal is positive and what is ground.no Markings left anywhere WOuld rather find out than wiring everything and maybe have to reverse main connectore later .
Can anyone help ?
Stevem
Posts: 4576
Joined: Fri Jan 24, 2014 3:01 pm
Location: 1/3rd the way out one of the arms of the Milkyway.

Re: 1968 10inch alnico

Post by Stevem »

Simple!

Hook a 9 volt battery across both ways, whichever way make the cone push out then the terminal that has the positive of the battery on it is the positive of the speaker.
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