Subject	running a 400w amp for a long time gets things hot.
Posted by	Spee on May 14, 2003 at 2:24 PM
	This message has been viewed 38 times.
In Reply To	Why?>> posted by John P. on May 14, 2003 at 11:55 AM
Message	I don't have any math or formulas for you, but when I was into car audio and installing systems, I would use 8 gauge power wire for any amp over 2 hundred watts RMS. Or 4 or 2 gauge for multiple amp setups. It's a matter of making sure current flow is not an issue, not just having aneough. Later, Spencer AIM: sbsTT14 PETZ member #4 '91 300ZX TT Stage IV+ '96 Jeep Cherokee Sport "I felt like I was rear-ended by a highspeed train when I ran the car on high boost first time. Crazy...just crazy...." - timz 18:18:31 09/08/02 The Hyper is still uglier than my puckered butthole ;) - JRH(KY) 16:35:24 02/03/03 "Why does that always happen anyway? You [Mal1ce], me, Guapo, Genic, Loop, Nick, Spencer and Bernie need to set up a group buy for behavioral re-programing :) We have a problem I think." - JRH(KY) 17:54:38 11/22/02
Follow Ups	finally got a box built for my sub...sounded great till - jinx 00:21:06 05/14/03 Please tell me you didnt use >10gauge for power wire? (n/m) - Bobby12many 00:28:28 05/14/03 power=10g Speaker wire=14g - jinx 00:39:08 05/14/03 zoikes, i use welding cable :D (n/m) - BOOZTD 3 00:40:05 05/14/03 I use 0/1 (n/m) - MugenRacer 08:51:37 05/14/03 Finally a REAL power wire! (n/m) - Jeff_94 12:21:28 05/14/03 Re: finally got a box built for my sub...sounded great till - frank1991 00:48:54 05/14/03 2nd that. Impedance/Overheating, or shorting of some kind (n/m) - Z_PREPared 01:49:09 05/14/03 yup.... Its not speaker wire (n/m) - down5hift 09:53:21 05/14/03 agreed, I'm betting on incorrect speaker wiring (n/m) - onlinediamond 10:15:40 05/14/03 10 gauge power wire? - Spee 00:53:25 05/14/03 2nd. 10 Ga. power/ground is a bit small. Use 8 or 4 - Z_PREPared 02:04:23 05/14/03 10 gauge is plenty. - John P. 10:46:15 05/14/03 I disagree. I would use no less than 8 gauge. (n/m) - Spee 11:44:34 05/14/03 Why?>> - John P. 11:55:47 05/14/03 running a 400w amp for a long time gets things hot. - Spee 14:24:41 05/14/03 Use 4 gauge reguardless. Maybe you'd want to add more later (n/m) - JustinChien 01:35:10 05/14/03 sure, 10 awg is a little small for power wire, but - Altersys 02:24:14 05/14/03 Im 99.996% confident that your amps ground is insufficent - Bobby12many 08:38:21 05/14/03 I have had 10 gauge on my single bridged amp and single sub> - Unluky(MO) 08:57:35 05/14/03 i used 8 gauge on bridged 400wtt rms amp to 1 12", no probs - komplexZ 11:37:37 05/14/03 make sure you have a good ground too (n/m) - komplexZ 11:39:36 05/14/03
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