Is the back cover of a jbl D130 come off so gauss can be measured? any help thanks jake
Horn Fanatic
08-30-2017, 11:58 AM
Is the back cover of a jbl D130 come off so gauss can be measured? any help thanks jake
Greetings Jake -
The pot structure cannot come off unless you access it by way of re-coning. A Gauss measuring probe needs to be inserted directly in the V.C. gap. Meaning, no voice coil in the gap.
Gauss testers can range from $150 to $1600. If you're concerned about the flux density of the magnet, just have the speaker re-gaussed. Bill Hanuschak at Great Plains Audio may be able to perform that task. I understand he is JBL qualified to re-cone JBL speakers.
Good luck,
H.F.
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