FOH Engineer
Lunatic Member
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I think were trying to determine polarity here ??. It should move forward if the polarity is cool. 9 volts won't do anything to harm anything. As for alignment if it moves by pushing it into the coil without scraping or scratching , you have it right, forget about it. Sine wave testing is cool but it really only tells you about available bandwidth and lack of bias on any frequency, but with a redone it's redundant , you already have the speaker you need. If I'm a million miles of base because I don't know what you guys are describing please disregard all of this.
Sorry guys I just read the whole thing and didn't realize you were talking about DC offset.