car stereo no amp how much rms?

[HittafeMac]

ok so i used to have a buick lesabre and the sound system was good i didnt need an amp just door and back 6x9 speakers it sounded pretty loud but that car broke down now i have a buick park ave that came with stock speakers and a new kenwood stereo i switched the back speakers with the old ones because when i turned the volume all the way up they distorted even though i changed speakers they still sound distorted is it the stereo?i have a Kenwood KDC-138 i dont know what it could be help

 

[DA1l2B]

Check these sites out...it is a good reference.

http://www.bcae1.com/
http://www.rockfordfosgate.com/rftech/rftech.asp
http://www.caraudio.com/forum/showthread.php?t=198477
http://www.termpro.com/articles/articles.html#How

- Also check this out http://www.youtube.com and all related videos...Look for the guy in the blue collared shirt. Type “car audio systems” in the search engine. He gives a lot of very good info.

If your headlight dims with the bass notes, the “BIG 3” might work. If not an H.O. alternator will be needed, or else be prepared to pour a lot of $$$ for batteries.

This site explains the "BIG 3" upgrades.

http://forum.sounddomain.com/ubbthreads.php/ubb/showflat/Number/312025/page/1

I've designed my car for SQ (Sound Quality) not SPL (Sound Pressure Level) my imaging is very good. The bass sounds as if it is up front and my 12 inch sub (picture as shown) in the trunk. I LOVE how it all worked out.

GOOD LUCK and have fun…

List of items for my ride:
Head Unit: Alpine DVA - 9861
Processor(s):
- EpiCenter (by: Audio Control)
- Apex (by: Kove Audio)
- EQ (by: Clarion - EQS746)
Amp: JL Audio 300/4 and 500/1 (constant 800 watts)
Cap: One Rockford Fosgate1 farad Cap
Front: MB Quart 216
Rear: Boston Acoustics (6x9) SX65
Sub: 1 Eclipse 12" Alum. 4 ohm DVC (Dual Voice Coil)
Battery: DieHard AGM Battery, Platinum P-4 - Group Size 34/78DT
Alternator: 220amp by: PowerBastard.com

1/0 ga wire to D-block
Using a dual fused D-block in the engine bay
- ANL 200 amp fuse (used for H.O. Alternator)
- ANL 300 amp fuse (used for power wire to amp)
- Hyper Ground System (by: Sun Automobile U.S.A. Inc.)
- “BIG 3” upgrade