subwoofer + amp problem
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=59053
Printed Date: May 14, 2025 at 8:36 AM
Topic: subwoofer + amp problem
Posted By: jaymes
Subject: subwoofer + amp problem
Date Posted: July 08, 2005 at 7:51 AM
so my sub and amp are shutting down in protect mode. My question is - should my sub level on my deck be set to high ie 9/9.. or should i have the gain setting for my amp higher?? THe system works fine until it hits certain notes then it goes into protect mode.. THanks.
Replies:
Posted By: 349517
Date Posted: July 08, 2005 at 8:12 AM
What amp are you using? Do you have a cap? How high is the gain on the amp right now? How long have you been having the problem?
Posted By: jaymes
Date Posted: July 08, 2005 at 8:33 AM
Lanzar vibe 258 amp.. I am not using a cap right now but i have 150 amp alt upgrade w 0 guage wire.. Gain is about half way. I just installed the system.
Posted By: 349517
Date Posted: July 08, 2005 at 9:05 AM
How about your battery? Other than that i'm clueless.
Posted By: TruckSystem
Date Posted: July 08, 2005 at 11:06 AM
My Vibe 250 was doing the same thing when I was using it about 6 months ago, it ended up going out the next week on me.
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2003 Chevrolet Silverado Standard Cab ~ Alpine CDA-9851
Diamond Audio D3600.1 ~ 2x Diamond Audio TM310D4
Diamond Audio D3400.4 ~ Diamond Audio Hex S600s
AstroStart RS5204 Remote Start/Alarm
Posted By: fearincognito
Date Posted: July 08, 2005 at 11:10 AM
As a rule i never ever use my deck to get more bass sometimes if im trouble shooting but as a rule i have my sub at 0 and use the setting on my amp to do all of the adjustments. The amp is where your going to get the best amount of bass and quiality.
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Phreak the nation
Posted By: mobile1
Date Posted: July 08, 2005 at 11:52 PM
what impeadance are your speakers at? if its too low for the amp, the amp will shut off.
Posted By: fuseblower
Date Posted: July 08, 2005 at 11:58 PM
Make sure that the voltage input on your amp matches the voltage output on your radio. If you have the amp input to high you are probably feeding distortion to you amp and sending it into protect mode. Also your subs could be blown depening on if you have DVC's or not.
The sub level on your deck, are you saying the Bass level or level of current the is going out of your RCA's on your deck. What type of deck do you have?
Posted By: speedwayaudio1
Date Posted: July 09, 2005 at 12:37 AM
as mobile1 said what ohm load do you have on the amp? I looked to find the specks on the amp,and lanzar.com does not list a vibe258. They do list a vibe 250,251,261 models. they are only 2 ohm stable in stereo mode. 4 ohm bridged mode.
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Big Dave
Posted By: jaymes
Date Posted: July 10, 2005 at 3:09 PM
Heres what i got Lanzar vibe 1600 watt amp 2 x 400 Watts RMS at 4 Ohms 2 x 800 Watts Max at 4 Ohms 1 x 1600 Watts Max at 4 Ohms Bridged 2 x 650 Watts at 2 Ohms Electronic Crossover Network Bass Boost Circuit Bridgeable at 4 Ohms 2 Ohms Stereo Stable Tri-Mode Capable Gold RCA Inputs Line Outs For Left & Right Channels. Power & Protection LED Indicators Advanced Protection Circuitry Soft Turn On/Off Remote Control Bass Booster And 2 Bazooka 12" dual voice coil I have them hooked up as option 2 in the above diagram. My panasonic deck is 5 volts.. HOw do i match that to my amp? also the sub amp gets very hot compared to the 4 channel amp running my speakers.. I would think this is normal though, but the 4 channel doesnt get even warm ane the sub amps is very hot/
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