MTX 1501d + 8500 twin 15" clipping?
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=52697
Printed Date: July 15, 2025 at 9:08 PM
Topic: MTX 1501d + 8500 twin 15" clipping?
Posted By: donup123
Subject: MTX 1501d + 8500 twin 15" clipping?
Date Posted: March 27, 2005 at 8:56 PM
Amp is not hot at all. (2) DVC 15" 8500 4 OHM subs, with voice coils wired in series, and speakers wired in Parallel. Each speaker is connected to one of the 2 mono speaker plugs on this amp. Gain is set to about 70-75%, when I up the SW level on the Alpine HU, I hear a POP at high levels. These are used speakers off Ebay. The subs sound good at about 1/2 voulume. The car lights are not flickering at all at high volume, wired with 4 AWG and Bosh 125 amp alternater. I don't think it is a power thing, as the lights are'nt flickering, and the amp does not get hot. This is the MTX 1501D, a class "D" amp.
Are these speakers blown, is this the limit of the system, or is the clipping circuit on the 1501D amp working to conservatively--and I am just hearing the "clipped" sound at about 3/4 gain, and 2/3 volume(SW level on HU)? Or ?
Replies:
Posted By: customsuburb
Date Posted: March 27, 2005 at 9:01 PM
Dude TURN DOWN THE GAIN. It's not a volume control! With it 3/4 up it could be clipping really bad. Especially if your deck has high voltage preamp outputs. Do a search on settings amplifier gain on this forum and you will find alot of information about it. JL audio's website has a good tutorial on it also.
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Posted By: kfr01
Date Posted: March 27, 2005 at 9:15 PM
Yes. Learn what gain is and how to set it. IT IS NOT A VOLUME CONTROL!
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