need to test a used amp on the wrong sub
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=94486
Printed Date: September 11, 2025 at 6:48 AM
Topic: need to test a used amp on the wrong sub
Posted By: mechadeath
Subject: need to test a used amp on the wrong sub
Date Posted: June 03, 2007 at 11:24 AM
Hello,
just snagged a gently used JL 500/1 amp that I'm planning to use to upgrade my bass in my car with.
Unfortunately I don't have have that new sub, and I have 7 days to return this amp if it isn't working properly. What I'd like to do is wire the amp to my current sub woofer for 5 minutes to make sure its fully working, but I'm afraid to blow this sub.
My current sub is a 10" Polk/Momo MM2104
- reccomended 300W RMS
- maximum 600W peak
Will running this sub on the 500W RMS/~1000W Peak JL 500/1 amp blow the speaker if I'm at very low gain levels and volume for less than 5 minutes? Is there a better way to test Amp functionality without a sub?
Thanks, great forum, so glad to have stumbled onto it!
Replies:
Posted By: Steven Kephart
Date Posted: June 03, 2007 at 12:18 PM
As long as you don't turn it up too loud, you should be fine. All you are testing for is whether it turns on and makes sound anyway. I have tested many amplifiers, huge monoblocks included, with a small 6" midrange we have on top of our bench tester.
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