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<blockquote data-quote="brickie" data-source="post: 8473145" data-attributes="member: 668902">OK here is what&#039;s going on. I bought a custom made sealed enclosure made by Tweeter about 12 years ago. It houses three 8&quot; JL Audio w3 subs powered by a JL 500 watt slash series sub amp. I wanted 2 10&quot; w6 subs but they would have had to cut the cab to get a big enough box behind the rear seat in my then brand new 2003 chevy 2500 crew cab. I opted for three 8&#039;s instead. Anyway, they sounded pretty good. Tight and punchy but not as dynamic as I would have liked. Over the last few years I&#039;ve noticed that my system was not sounding like it used to especially the subs. Not distorting but just lacking the oomph they used to have.After hearing my brother&#039;s two 10&#039;&#039; w3s which really pounded I got the itch again and figured it was time to upgrade. I bought a JL stealthbox housing two TW3-D4 slimline 10&#039;&#039; subs. I was concerned about whether my 500 watt amp would be enough. Was told by someone in the &quot;biz&quot; that it should be more than adequate. I am very disappointed with the sound. I can&#039;t get them to hit hard and they sound a little boomy when you crank them up. Starting to think I should have held on to the three 8&#039;s and upgraded to the JL 750HD sub amp to start. I&#039;ve tried making adjustments with the head unit as well as the amp and just can&#039;t get the sound I want. Subs are rated 400 watt rms @ 4 ohme. My equipment is 12 years old. Can amps get &quot;tired&quot; over time and affect the sound? Maybe I just need more power? Thanks in advance for any input.</blockquote>

[QUOTE="brickie, post: 8473145, member: 668902"] OK here is what's going on. I bought a custom made sealed enclosure made by Tweeter about 12 years ago. It houses three 8" JL Audio w3 subs powered by a JL 500 watt slash series sub amp. I wanted 2 10" w6 subs but they would have had to cut the cab to get a big enough box behind the rear seat in my then brand new 2003 chevy 2500 crew cab. I opted for three 8's instead. Anyway, they sounded pretty good. Tight and punchy but not as dynamic as I would have liked. Over the last few years I've noticed that my system was not sounding like it used to especially the subs. Not distorting but just lacking the oomph they used to have. After hearing my brother's two 10'' w3s which really pounded I got the itch again and figured it was time to upgrade. I bought a JL stealthbox housing two TW3-D4 slimline 10'' subs. I was concerned about whether my 500 watt amp would be enough. Was told by someone in the "biz" that it should be more than adequate. I am very disappointed with the sound. I can't get them to hit hard and they sound a little boomy when you crank them up. Starting to think I should have held on to the three 8's and upgraded to the JL 750HD sub amp to start. I've tried making adjustments with the head unit as well as the amp and just can't get the sound I want. Subs are rated 400 watt rms @ 4 ohme. My equipment is 12 years old. Can amps get "tired" over time and affect the sound? Maybe I just need more power? Thanks in advance for any input. [/QUOTE]

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