 High Output Electrical System, I know you guys are laughing at me |
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| jsayre914 |
  Dec 14 2009, 04:23 PM
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#1
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Speed Up !!!  Group: Members Posts: 3,188 Joined: 10-February 08 From: Timonium MD 21093 Member No.: 8,696 Region Association: MidAtlantic Region  |
I have 2 great hobbys, Porsche 914 and Car Stereo Sound.
I might not be faster than you guys, but I will have a very unique 914. I pulled all the stereo stuff out of my car, and I am starting all over. I just recieved my Kinetik batteries today. I got a HC1800 to replace my optima, the 1800 is rated at 1900 Amps. I also purchased a HC800 rated at 950 amps. I just found a upgrade 75amp alternator and a guy who will wind it to 120amp output to drop in place of the 55amp unit. I am going to be High Voltage! The totall draw on my stereo install will be about 120 amps at peak. I am keeping my amplifiers but building a different cabinet for the rear trunk. It will house both amps and the 800 power cell. I am ditching both capacitors that were in the trunk. The wiring will be upgraded from the alternator (Jeff Bowlsby) and I will run "0" guage from the batterys to hook togeather + to + and - to -. I will also add a few more heavy grounds from each battery to chasis and from chasis to engine. Yes there will be multiple inline fuses on the positive leads. (saftey first) I will update this thread with pics and progress as i go. (any comments) (IMG:style_emoticons/default/popcorn[1].gif) |
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| jhadler |
Dec 14 2009, 04:34 PM
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#2
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Long term tinkerer... Group: Members Posts: 1,879 Joined: 7-April 03 From: Lyons, CO Member No.: 529 |
Not that big car stereos are my cup o' tea... But good grief man, that 1.8L motor will barely be able to stay idling with that kind of load...
I hope you're planning on replacing -all- of the high current wires in the car. The old (corrosion laced) wires in a 914 will most likely just let the magic smoke out once you crank that bad boy up. That includes the grounds. Especially the grounds... -Josh2 |
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| markb |
Dec 14 2009, 04:35 PM
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#3
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914less :( Group: Members Posts: 5,449 Joined: 22-January 03 From: Nipomo, CA Member No.: 180 Region Association: Central California 
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I have a question. Being an old guy, I have to ask, isn't that really overkill? I've had 20 watt stereos in cars that would be so crisp & loud you couldn't be in the car with it cranked up. We didn't have subs back then, but never had a lack of bass. Won't you do some really bad things to your ears with that much power?
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| SLITS |
Dec 14 2009, 05:35 PM
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#4
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None  |
Rock On Sparky ..................
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| SirAndy |
Dec 14 2009, 06:17 PM
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#5
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Resident German Group: Admin Posts: 41,631 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE Sie mag Musik nur, wenn sie laut ist. Das ist alles, was sie hört. Sie mag Musik nur, wenn sie laut ist. Wenn sie ihr in den Magen fährt. Sie mag Musik nur, wenn sie laut ist. Wenn der boden unter den Füßen bebt. ... |
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| Scott S |
Dec 14 2009, 06:22 PM
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#6
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Small Member Group: Members Posts: 1,697 Joined: 30-April 03 From: Colorado Member No.: 633 |
QUOTE(markb @ Dec 14 2009, 03:35 PM)  I have a question. Being an old guy, I have to ask, isn't that really overkill? I've had 20 watt stereos in cars that would be so crisp & loud you couldn't be in the car with it cranked up. We didn't have subs back then, but never had a lack of bass. Won't you do some really bad things to your ears with that much power? Yup. I have been a drummer for 35 years. The last 10-12 years I was lucky enough to spend a significant amount of time touring. My monitor system was a 750 watt 18" front loaded sub with a 500 watt 15/horn on top. I also used a tactile throne (it is basically a large magnet attached to a drummers throne that allows you to really feel low frequecies). Now at 41, I try really hard not to say "huh?" as much as I am thinking it. I went to an in ear monitor in 2007. The guys at the board consistantly comment at how the levels I ask for are close to double what the other band members have their settings at. I should have listened when others raised concerns when I was younger. I had a doctor tell me he could actually see some damage back in my 9th grade physical to play football - and that was before my 80's hair band years (some very loud years). Now the concerns are all mine. Please be careful. |
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| SirAndy |
Dec 14 2009, 06:31 PM
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#7
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Resident German Group: Admin Posts: 41,631 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
Same here, permanent damage to the ear drums and a invisible friend called "Tinnitus Maximus" ...
http://en.wikipedia.org/wiki/Tinnitus http://en.wikipedia.org/wiki/Noise-induced_hearing_loss (IMG:style_emoticons/default/huh.gif) What? |
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| markb |
Dec 14 2009, 06:32 PM
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#8
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914less :( Group: Members Posts: 5,449 Joined: 22-January 03 From: Nipomo, CA Member No.: 180 Region Association: Central California
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QUOTE(Scott Schroeder @ Dec 14 2009, 04:22 PM) QUOTE(markb @ Dec 14 2009, 03:35 PM) I have a question. Being an old guy, I have to ask, isn't that really overkill? I've had 20 watt stereos in cars that would be so crisp & loud you couldn't be in the car with it cranked up. We didn't have subs back then, but never had a lack of bass. Won't you do some really bad things to your ears with that much power? Yup. I have been a drummer for 35 years. The last 10-12 years I was lucky enough to spend a significant amount of time touring. My monitor system was a 750 watt 18" front loaded sub with a 500 watt 15/horn on top. I also used a tactile throne (it is basically a large magnet attached to a drummers throne that allows you to really feel low frequecies). Now at 41, I try really hard not to say "huh?" as much as I am thinking it. I went to an in ear monitor in 2007. The guys at the board consistantly comment at how the levels I ask for are close to double what the other band members have their settings at. I should have listened when others raised concerns when I was younger. I had a doctor tell me he could actually see some damage back in my 9th grade physical to play football - and that was before my 80's hair band years (some very loud years). Now the concerns are all mine. Please be careful. I know what you mean. I was a DJ (live & radio) for a bunch of years, and owned a karaoke business (screeching voices can be VERY hard on the ears (IMG:style_emoticons/default/biggrin.gif) ) for a bunch more, and really am in need of hearing aids, but haven't broken down & got them yet. My live system now has a nice sub that helps you feel the bass without hurting the ears, & my volumes are a lot lower than what I used to run. But then again, I'm old. (IMG:style_emoticons/default/dry.gif) |
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| jsayre914 |
Dec 14 2009, 06:35 PM
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#9
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Speed Up !!! Group: Members Posts: 3,188 Joined: 10-February 08 From: Timonium MD 21093 Member No.: 8,696 Region Association: MidAtlantic Region |
Thanks for the concern guys. (IMG:style_emoticons/default/smile.gif) I really do feel the love from this site.
I am not trying to cause death of hearing tissue. I just want to rock. I googled Decible loudness and found a chart, after i google translated andys comment (IMG:style_emoticons/default/aktion035.gif) osha daily permissible noise level exposure 90db> (train whistle at 500ft or truck traffic) 8hrs per day 95db> (subway train at 200ft) 4hrs per day 100db> (Motorcycle) 2hrs per day 105db> (Power Mower at 3ft) 1 hr per day 110db> (Power Saw at 3ft) 1/2 hr per day 115db> (Rock Concert) 15 min per day (IMG:style_emoticons/default/headbang.gif) |
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| Scott S |
Dec 14 2009, 06:36 PM
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#10
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Small Member Group: Members Posts: 1,697 Joined: 30-April 03 From: Colorado Member No.: 633 |
QUOTE(SirAndy @ Dec 14 2009, 05:31 PM) Same here, permanent damage to the ear drums and a invisible friend called "Tinnitus Maximus" ... http://en.wikipedia.org/wiki/Tinnitus http://en.wikipedia.org/wiki/Noise-induced_hearing_loss (IMG:style_emoticons/default/huh.gif) What? Hi Andy - Yeah, me too. I have been lucky that it comes and goes - not a consitant squeal/whistle. oh, and yes she does....... (IMG:style_emoticons/default/aktion035.gif) |
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| Mike Bellis |
Dec 14 2009, 06:37 PM
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#11
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Resident Electrician Group: Members Posts: 8,345 Joined: 22-June 09 From: Midlothian TX Member No.: 10,496 Region Association: None 
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Having been an IASCA judge for many years... That's way more power than a 914 needs in a sound system. With that said, AWESOME! It may be possible for your sound system to load up the motor on idle, enough to kill the engine. You may need to run slightly higher idle speed.
You really should consider a single 10" woofer built into a fiberglass box to replace the passenger kick board (foam). A set of 6.5 inch seporates in the doors and lots of dynamat. This setup would be plenty for a cockpit this size. I won't stop you or knock you from doing your own thing... Good luck with the install. |
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| Scott S |
Dec 14 2009, 06:39 PM
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#12
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Small Member Group: Members Posts: 1,697 Joined: 30-April 03 From: Colorado Member No.: 633 |
QUOTE(jsayre914 @ Dec 14 2009, 05:35 PM) Thanks for the concern guys. (IMG:style_emoticons/default/smile.gif) I really do feel the love from this site. I am not trying to cause death of hearing tissue. I just want to rock. I googled Decible loudness and found a chart, after i google translated andys comment (IMG:style_emoticons/default/aktion035.gif) osha daily permissible noise level exposure 115db> (Rock Concert) 15 min per day (IMG:style_emoticons/default/headbang.gif) So, two hours a night, a 100 or so nights per year (not including rehearsals) pretty much says I am fuched.... but I had a great time!!! |
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| Mark Henry |
Dec 14 2009, 06:39 PM
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#13
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
I have 400 watts in my bus and I still can't hear the damn thing at highway speed. (IMG:style_emoticons/default/rolleyes.gif)
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| SirAndy |
Dec 14 2009, 06:42 PM
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#14
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Resident German Group: Admin Posts: 41,631 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(Scott Schroeder @ Dec 14 2009, 04:39 PM) I am fuched.... but I had a great time!!! Hey, you only die once! (IMG:style_emoticons/default/aktion035.gif) |
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| SLITS |
Dec 14 2009, 06:51 PM
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#15
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None |
Rock music, loud industrial equipment, hunting and race cars .........
What did you say? That constant white noise is my head will hopefully not turn to voices. |
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| Mike Bellis |
Dec 14 2009, 06:52 PM
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#16
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Resident Electrician Group: Members Posts: 8,345 Joined: 22-June 09 From: Midlothian TX Member No.: 10,496 Region Association: None
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QUOTE(Mark Henry @ Dec 14 2009, 04:39 PM) I have 400 watts in my bus and I still can't hear the damn thing at highway speed. (IMG:style_emoticons/default/rolleyes.gif) You need DYNAMAT. Cover the whole interior (not cheap) and most road noise will go away. If you weld over all the windows and install a parascope, most of the wind noise will go away. (IMG:style_emoticons/default/welder.gif) |
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| iamchappy |
Dec 14 2009, 07:05 PM
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#17
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It all happens so fast! Group: Members Posts: 4,893 Joined: 5-November 03 From: minnetonka, mn Member No.: 1,315 Region Association: Upper MidWest |
I think high power systems sound much crisper and produce better bass at low volumes.
I am running 2 - 8" subs, a pair of 6.5's and 5.25's with three Alpine power amps in my car, it sounds great without having to crank it. With the top off on the high way i do have to crank it up a bit, lose the high fidelity but have plenty of sound. My engine cranks up the noise when not listening to the tunes. Tunes are great when i have the car parked at the shows i've been to. I have a 60's - 70's music disc i made and play it for all to enjoy when they are checking out the car. Install away it's your car and your ears...... I lost some of my hearing at a Plasmatics concert, i can think of much better ways to go deaf...... Attached image(s) 
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| Mark Henry |
Dec 14 2009, 07:14 PM
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#18
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
QUOTE(kg6dxn @ Dec 14 2009, 07:52 PM) QUOTE(Mark Henry @ Dec 14 2009, 04:39 PM) I have 400 watts in my bus and I still can't hear the damn thing at highway speed. (IMG:style_emoticons/default/rolleyes.gif) You need DYNAMAT. Cover the whole interior (not cheap) and most road noise will go away. If you weld over all the windows and install a parascope, most of the wind noise will go away. (IMG:style_emoticons/default/welder.gif) Double layered in the stuff (IMG:style_emoticons/default/dry.gif) NEXT! (IMG:style_emoticons/default/smile.gif) |
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| SirAndy |
Dec 14 2009, 07:20 PM
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#19
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Resident German Group: Admin Posts: 41,631 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(iamchappy @ Dec 14 2009, 05:05 PM) I lost some of my hearing at a Plasmatics concert Wendy O. !!! (IMG:style_emoticons/default/wub.gif) Too bad she killed herself ... (IMG:style_emoticons/default/sad2.gif) Andy |
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| Spoke |
Dec 14 2009, 08:05 PM
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#20
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Jerry Group: Members Posts: 6,978 Joined: 29-October 04 From: Allentown, PA Member No.: 3,031 Region Association: None
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ROCK ON, DUDE!
You'll have a kick ass stereo and the electrical system to power it. Good luck with your build. Take lots of pics. 0 gauge wire is the way to go. I recall a bunch of years back (more than 10) before these 1 Farad capacitors were commercially available, a high end stereo shop had a system with gold plated wires and 2 extra car batteries in the trunk for the umph needed to power the system. |
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