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  #1  
Old 07-15-2002, 03:04 AM
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Default 150watt LightningAudio "Bolt" pushing 2 JDAudio 12's...

hey all...i have 2 JDAudio 12's rated at 300watts apiece, and i've got a 150watt amp.... i know i know, pathetic.... my question: is each speaker getting 150 watts, or is it split? i'm usually under the hood workin on my engine, not my sound system... i do it opposite of the low-riders...they worry about the system, then MAYBE the engine... i do the engine, then if everything is ok, i worry about the stereo...

BTW: my stereo is a Pioneer 40w X 4 (not the fancy one...) with 2 pioneer 6X9's (don't know power rating...) 2 3way 150watt tweaters (don't remember brand and size - 5 1/2" i think) and 2 JDAudio 12" woofers. here are some pics...


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Old 07-15-2002, 04:40 PM
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the amp is 150W bridged mono, 50W x 2. the subs are getting 50 watts apiece. not great, especially with the cheap electronics inside lightning audio amps. if you're thinking about a better amp, check out www.etronics.com .. they have amazing prices on all sorts of car audio

how did the installation go with the receiver in the dash? looks pretty clean in the picture. i have a shaft-style craig cassette player in my 72 satellite sebring and want to upgrade to single din cd
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Old 07-15-2002, 05:35 PM
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if you look on the bottom left side of the stereo, you can actually see the hole...i didn't cut the hole, the mexican that put the crappy tape deck in did it...

only 50watts?? damn...wonder why its rated at 150?? they hit pretty good for only 50watts... course, the amp was only $80 at Best Buy, plus another $20 for the installation kit (all the wires and screws...)

hmm, i wonlder if i can convince my cuz to get rid of one of his jensen 200watt amps...he has two and he only has 8 blown speakers in his truck.... the speakers are crappy 6 1/2" truck/SUV speakers 2per box from Walmart....about $20...

thanx for the info! i'll check out that site too
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Old 07-15-2002, 06:24 PM
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ah yeah, i can kinda see the hole now that you point it out.

it's rated at 150W for mono output, one speaker, not two. don't kid yourself, 50 watts isn't "bad" by any means.. it's also how well-tuned the enclosure is. i have a phillips surround shelf system that came with a crappy 5" or so subwoofer and a 35w amp. i bought an xtant 12", built it a huge, tuned, sealed box, and powered it with the same 35w amp. result? the bass is pure amazing. i usually trust pioneer for my car audio, haven't had any experience with jensen yet but i'm sure they aren't bad

ah, not best buy!!!! aside from towering retail prices, they pitch their free installation crap only so they can charge you $30 for materials you can find for $10. your best bet is to buy from an online-only store with a few people running it, not a brick and mortar store with hundreds of employees to pay
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Old 07-15-2002, 11:34 PM
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Quote:
they pitch their free installation crap only so they can charge you $30 for materials
i do it all myself...its completely customized! the bass is pretty good though, considering i mounted my box pointing into my car...it was about the only way to do it and still have room for other stuffs in my trunk...

oh, i was lookin at that site...GREAT THINGS!! found a $50 600watt amp... i think its a pyramid...i figure 300 watts per speaker... thats what they're rated at...
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  #6  
Old 07-16-2002, 12:10 AM
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i work at best buy in cleveland and have worke in car audio for like a 1.5 years and those liting 150s are the best for the money the will put out 150 rms at 4 oms witch is good and they are an off brand of rockford fosgate so u no it is under rated do not i repeat do buy a jenson i now they come back if u go to best buy and buy the new ligting audio b 250.1 the would sound even beter and dont forget if those are dual voice coil subs mack sure u have them hooked up if u have any other ? about car aduio i can answe them u got a good amp for the money that new amp is like 170 on sale this week and if u got that 4 year warenty on just blow up ur old amp put it toward that new one i now all the tricks
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Old 07-16-2002, 12:16 AM
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take it from me paramid is junk it is a import amp so it is all max power the max power on the bolt amp 450 wats so dont get duped
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Old 07-16-2002, 01:57 AM
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ehh...if i'm going to get a new amp, its going to be 600 watt, if not more (just turn gain etc down...)

what about a Legacy LA490 High Performance 600 watt 2 channel? sounds like a good deal for $70...

i don't see whats wrong with the jensen's either...i just bridged 2 amps to 2 speakers (1 amp per speaker...). the amps are Jensen 200 watt (2) and 2 10" Pioneer Subs rated at 400 watts each... so he only has 200 going to each speaker... the speakers are also in a sealed (?) box...the speakers are facing toward eachother but angled outward slightly, and there is plexy glass in front of it... there are also 2 big holes in the box behind the speakers, but in the front of the box... sounds pretty good...
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Old 07-16-2002, 01:58 AM
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i also forgot to mention i don't live any where near a Best Buy... i was in Davenport Iowa and went to the Best Buy there...
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Old 07-16-2002, 08:11 AM
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the box your friend has his subs in is actually a bandpass box, not a sealed box.. a sealed box has no ports.. it's completely airtight, utilizes acoustic suspension, and usually requires larger amps because it takes more for the woofer to bump. but in my opinion, the sound is better.

i thought all pyramid anything was made (probably just assembled) in usa, but that still doesn't mean a whole lot. i don't know. when it comes to pyramid, i'm torn.. it's a family-owned business that had affordability in mind when it was created. but then common sense hits me.. how good are 300W 4-way 100oz. magnet poly cone ruber surround ceramic tweeter 6x9's for $50?? something's shady. remember that cheaper amps might say they put out more wattage, but what is the QUALITY of that wattage? get a name you know you can trust, with good features like MOSFET circuitry, a built-in crossover, level control, etc. find as many reviews as you can. but don't settle for something less just because it's cheaper. your friend's jensen/pioneer setup doesn't sound all that bad i guess

you also have to remember, like dusta said, that many times amps are advertised at their peak power, not RMS. always go by continuous power. peak is for surges in the signal such as a cymbal crash or so on
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Old 07-16-2002, 08:22 AM
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and did i mention that's a beautiful 'runner? here's a pic of mine in case you haven't seen it in other forums. 72 also (actually a satellite sebring)
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Old 07-16-2002, 01:56 PM
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dont forget that those jls are a sweet sub so get a good amp to go with them if u are ever in cleveland i would hook u up with a good punch amp fpr cheep but if not try bestbuy.com free shiping and if somthing goes wrong u now u have some manager to bitch to to get your money or a new product back i see it all the time . if u buy from some online place u dont know what your geting or who you are geting it from if your subs sound good keep the amp u have. why change its just a little bumps in the trunk im sure that moter sound much more better.
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  #13  
Old 07-16-2002, 02:37 PM
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when i cruise main is when i turn on my stereo, and its idleing all night long. it sounds GREAT with my new cam, but it sounds really cool when your out-bassing and out-running ricers

m4s: thanx, you have a beautiful satellite.... my brother has a 71 satellite sebring plus. 440/727/3.56 combo....pretty quick, but it doesn't keep up with the 340/727/4.10 combo . the 440 is faster than new camero's too, and it really smokes ricers...

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  #14  
Old 07-17-2002, 09:18 AM
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very nice cars, 1972. very nice. heh, the sport compacts never expect our old cars to have a slamming system. it's funny to see their surprise when they find out we do. i'd put a sub or two in the back of my satellite, but since the right fender is so loaded with bondo (until i buy a replacement, too much rust to patch in new metal) i'm afraid it would just explode somewhere on the highway

i am however loading up my 88 daytona shelby z.. in a few days it'll have a pioneer deh-p3300 stereo and a custom sealed 3/4" mdf enclosure 37" long, 14" high, and 9" deep housing two 10" pioneer TS-W26C subs.. keeping my infinity 5.25" and 5x7"s for now.. haven't decided about which amp or amps to use yet
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Old 07-17-2002, 03:23 PM
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u should go w/ that new pioneer amp it is a 760 max and it is 380 watts rms at 4 ohms and it sound real cleen and not to mention it is a mosfet did u ever think about xm satilite radio it is reel cool and sound good and that amp retails for 170-190 depending were u go i have them for 170.92 at best buy it has a reel nice x-over to and oh yea ricers suckt hey think that a sub and a tv and a fart cannon must add 180 hp they must not know how many 11 and 12 sec turbo omnis and daytons there are becuze those are the forgotin sport campact
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Old 07-17-2002, 05:08 PM
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yep, sport compact has taken on a new and sucky name.

xm radio is neat and my head unit is ready for it, but i doubt it's something i'll ever need or use. the stations around here are cool and i listen to cds most of the time anyway.

i was thinking about a GM-X552, 562, or two 252's or 262's. the subs are 100w nominal, 350w max
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Old 07-18-2002, 03:26 AM
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i think you should go with rockford fosgate. i own 3 fosgate amps with a total of 1170 watts. of course it hits harder than anyone could imagine.... but that not the point. i originally had a fosgate 120 watt amp with 2 crappy 10"s the amp stated 30 watts but it hit harder than my friends with the better pioneer amps. fosgate make a good product. and theyre made in the good ol us of a
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Old 07-18-2002, 03:27 AM
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one more thing. even though i have all that power in the back of the car dont think i dont have a punmped up 360 under the hood of the bad 72 charger....
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Old 07-18-2002, 03:44 AM
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thought never crossed my mind. if you do it right, you can have a hellatious setup that's faster than the speed of light, and a sound system that registers 4.0 on the richter scale...

me, i just work with the motor and drivetrain etc first, then i worry about gettin things with my sound system... hell, the only time you can hear my bass is when i turn the engine off and open my trunk, and when your inside the car...

have you got pictures?? sounds like a cool car. chargers are nice....
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  #20  
Old 07-18-2002, 03:55 AM
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oop...almost forgot... sometimes it takes a "pumped up 360 under the hood" to give power to those amps...well, maybe in older cars with crappy electrical systems like mine....

also: 360's are a lot cheaper than 340's....so i found the cheapest things i could find in means of sound system... put $4,500 in the motor and we only did the following:

bore to .040 over
new pistons (12.5:1 forged full-float)
new cam - SSI Performance .508/.508 lift 298/298 advertised duration
1.6 adjustable aluminum roller rocker arms (Mopar Performance)
Anti-Pump hyd. lifters
Chrome-Moly male-female push rods
minimal porting on J heads
Stainless steel valves
3 angle valve job
all new bearings (clevette 77)
racing rings
high volume oil pump (also ordered high psi spring)
high performance double roller timing chain/gear set
turned crank .010
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Old 07-18-2002, 10:31 PM
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rockford fosgate is an asome product i sell alot of them at best buy and those lighting audio amps are made by rockford thats why i say that bolt amp u have is pretty good it is alot more power than 150 watts
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Old 07-18-2002, 11:37 PM
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cool... i'll look around online...i'm kinda leanin toward either a Legacy 600 watt, or a Legacy 800 watt...i was lookin at RMS power and they are only i think around 200 sumthin times 2... the 800 watt is only $75....much cheaper than the lightning audio...and more power... thanx for all the info!
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Old 07-19-2002, 12:53 AM
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if its not a mosfet amp dont waist ur money u can get qulity for around the same price check www.ubid.com my buddy got a rockford 250.2 for 80 bucks thats 250 rms at 2 ohm and about 700 max legacy is cheep i have a planet audio 800 watt for 100 bucks and thats pretty cheep
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Old 07-19-2002, 01:12 AM
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well, there are pyramids that have MOSFET stuffs inside... i'm lookin at etronics.com... heres a couple of links to the Legacy's i'm lookin at.
http://www.etronics.com/product.asp?stk_code=legla490
http://www.etronics.com/product.asp?stk_code=legla590

heres the link to the pyramid's
http://www.etronics.com/product.asp?stk_code=pyrpb610gx
i have heard (from you, and others) that the pyramids really suck so i'll stay away from this one.

thanx for all the advice...i'll look and see what i find.
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Old 07-19-2002, 01:30 AM
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heres a list off suck amps and some good ones

legacy
paramid
urban
jenson
boss
american legacy

some ok
pioneer
bolt
kenwood
power acoustic

freekin sweet
rockford fosgat
planet audio
phinix gold
dei
kicker
usamps
mmats
and thats just off the top of my head there is so many that im not thinking off but thats what ur lookin for
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Old 07-19-2002, 01:32 AM
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what about Lanzar? http://www.etronics.com/product.asp?stk_code=lanvibe250

sounds good to me...
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Old 07-19-2002, 01:37 AM
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that falls under the good catergory its a good cleen amp
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Old 07-19-2002, 01:40 AM
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cool. i think i'll save up and get that one... probably have to turn the gain etc WAY down for my speakers... maybe in the future i'll get some bigger ones. i found some 18"ers that have i think a 250 oz magnet.... i'll have to find them again
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Old 07-19-2002, 07:58 AM
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dusta mentioned ubid, but i'm also gonna recommend ebay.. go with etronics if you absolutely want to buy stuff new.

heheh, boss.. their crap is hilarious. it's such an example of worthless excess. everything's chrome-plated or looks like you could stab somebody with it, and they have names like 'ripper', 'riot', and 'war'. i see their 1000W subs on ebay all the time for like 30 bucks. or maybe their 400W 6x9's for $20. definitely for the rice crowd.
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Old 07-19-2002, 08:01 AM
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make sure that lanzar amp uses mosfet transistors however, not bi-polar. it matters a lot more for amps than for receivers
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