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Old 4th October 2008, 01:27 PM   #1
skooter is offline skooter  United States
diyAudio Member
Join Date: Oct 2007
Default Old Lanzar amp problem

I have a old lanzar vibe amp and it works and everyting just when you have volume turned up say to 15 on deck, when a bass note hits the amp cuts off and goes into protection mode unlill I turn it, off and back on, then it comes back till the next bass note. on low volume it dosent shut off. and this is with a 4 ohm load.
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Old 4th October 2008, 05:54 PM   #2
diyAudio Member
Join Date: Nov 2003
Location: Louisiana
If the woofer and the wiring are intact and the voltage to the amp isn't dropping significantly, the protection circuit in the amp may be too sensitive or damaged.
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Old 10th January 2011, 01:57 AM   #3
diyAudio Member
Join Date: Jan 2011
Default lanzar safety feature trips and shuts amp off for no reason...

ok, I have the same problem with my lanzar amp... How could I fix this amp???
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Old 10th January 2011, 07:54 AM   #4
diyAudio Member
Join Date: Nov 2003
Location: Louisiana
Have you confirmed that no speakers are defective?

Have you confirmed, with a multimeter) that the voltage at the power and ground terminals of the amp are not dropping below ~11v?
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