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Old 28-08-2008, 08:57 PM
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FIESTA CHRIS H
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Default 4 channel amp

hi i have 4 infinity 6x9 speakers (330 watts) and want a 4 channel amp to run them. Im not sure whats the best make to get and dont want to get a s**t one. in the future i would like to bridge it to another amp for a sub as and when i can afford it.

im not really interested in second hand amps either

what would u guys recommend
Old 28-08-2008, 09:03 PM
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Red16
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you say you dont want a shit amp but you plan to run 4 shit speakers from it

why are you using 6x9's?
Old 28-08-2008, 09:08 PM
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cos i thought 6x9s were good
Old 28-08-2008, 09:13 PM
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you'd be better off with a 4 channel amp and using it to power a set of front component speakers (mids and tweeters) via 2 of the channels and bridging the other 2 channels to run a sub, this would sound far better imo. Be even better if you could get a second amp to run the sub(s) alone.
Old 28-08-2008, 09:20 PM
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i think i have some pionneer components in the fronts and have blown them
Old 28-08-2008, 09:38 PM
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Ive been told im deaf lol
Old 28-08-2008, 09:43 PM
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Old 28-08-2008, 09:46 PM
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so what amp would u guys recommend cos i want to make the most of the 6x9s but i dont want to blow the speakers amping them to much.

im hopefully gonna get a sub and amp package next month (rockford fosgate)
Old 28-08-2008, 09:53 PM
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In Phase, fantastic amps.
Old 28-08-2008, 10:13 PM
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and whats the difference between a 4 channel amp and a mono block amp
Old 28-08-2008, 10:16 PM
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a mono block amp is a one channel amp specifically for powering a subwoofer i believe
Old 28-08-2008, 10:19 PM
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If you have the amp set up correctly you cant blow the speakers, they should always be set up to run slightly less than what you are powering is capable of.
Old 28-08-2008, 10:30 PM
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does that mean if i have 4 330watt speakers total =360(ithink ) i need an amp bout 1200 watts????
Old 28-08-2008, 10:36 PM
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theres no way your 300watt 6x9 are actually 300 watt. You should always have a more powerful amp than speakers, the reason for this is you can draw too much out of an amp and although it may sound good you get clipping. this is very bad for the speaker. You want the biggest amp you can afford. a decent set of components, no need for any back door speakers either. If you turn the volume up too much, it will sound shit and distort, this is where you turn the volume back slighty. For bassed you need a sub, and may as well just use a class d amp to power the sub.
Old 28-08-2008, 10:38 PM
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Originally Posted by FIESTA CHRIS H
does that mean if i have 4 330watt speakers total =360(ithink ) i need an amp bout 1200 watts????
for all your ratings go for the rms, not the max or peak. What rms are you 3 gigawatt speakers? If it does not state rms then chances are they are turd.
Old 28-08-2008, 10:41 PM
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110 rms each
Old 28-08-2008, 10:46 PM
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If you have infinity kappa's white cone 6x9's i think they are 70w rms, if you buy a good 4-channel amp with real rms of 4x70w you are looking at around £70 to £100, don't buy cheap rubbish off e-bay and keep clear of amps claiming silly power like 4x500w etc as a good 4-channel amp will take a fuse of around 30a at least, The cheap ones on e-bay claiming silly power of 4x500w take a 20a fuse? (says it all!!) at the end of it all you get what you pay for and its well worth spending more as it will last along time,
Old 28-08-2008, 10:51 PM
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the speakers are infinity Kappa 693.7i 6"x9" 110 rms, and 330 watts
Old 28-08-2008, 10:58 PM
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Originally Posted by FIESTA CHRIS H
the speakers are infinity Kappa 693.7i 6"x9" 110 rms, and 330 watts
i would buy an amp around 4x80w rms for them, but buy a good amp were the power figures are 100%, Ive fitted many of them 6x9's to cars with amps anything from 60w rms to 100w rms so anything with-in them power lines should be fine,
Old 28-08-2008, 11:06 PM
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if your planning on running multiple speaker and amp setups invest in an active crossover of some sort, will be the best thing you will ever buy.

the car sound system is no differant to a real outdoor systema nd you would never see a sound enginner just connect a set of speaker to an amp without a mixing desk, this is simply what an active cross over does.
I play in a live rock band, and have 10 inputs into my desk(crossover) then out to over 2.5Kw of sound, you can then EQ the sounds to the correct speakers and remove the frequencies that you do not want, e.g no bass to tweeters, and no high to subs, without a mixer(desk/active crossover) you cannot do this
Old 28-08-2008, 11:22 PM
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i believe the speakers have computer-optimized outboard crossovers with tweeter level control. will i still need a cross over. sorry for asking all these questions but im not that clued up about car audio

Last edited by FIESTA CHRIS H; 28-08-2008 at 11:23 PM.
Old 29-08-2008, 08:39 PM
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what make would u recommend???
Old 29-08-2008, 08:48 PM
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rockford fosgate are brilliant!!!!they quote REAL figures!not crap like all the cheap stuff you get from birmingham in the back of max power magazine!
pioneer also get a thumbs up from me for quality.
look at rms figures not peak,they tell you nothing.
get a good set of pioneer components up front with a nice 12" sub in the boot (if you prefer punchy music rather than fuller bass get a 10") run off a rockford fosgate 400 4 channel amp,2 channels for the front and 2 channels bridged for the sub,set on the amp appropriately.
then get a decent head unit,either rockord fosgate if you can find/afford,or a pioneer from halfords!
should sound good.
Old 29-08-2008, 11:11 PM
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this any good?????
http://cgi.ebay.co.uk/KENWOOD-KAC-84...d=p3286.c0.m14
Old 02-09-2008, 07:18 PM
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anyone?
Old 02-09-2008, 08:19 PM
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went to halfords earlier and they had none on display and the guy didnt sound like he knew what he was talking about
Old 02-09-2008, 08:26 PM
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crunch pzi 100.4 4x100rms
will do the job
£100
Old 02-09-2008, 08:27 PM
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Default amps

any of the genesis amp

top class items
Old 02-09-2008, 08:29 PM
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6x9's - fuck em off

The BEST and ONLY type of system you need in a car is a set of GOOD front components (mid range/tweeters) and a powerful sub in the boot.

NO rear speakers at all apart from the sub.

If powered correctly, it will fill the car with music and still have the sub for lows.

DONT get a sub in the boot with 6x9's on the parcel shelf

I recommend JL Audio subwoofers and JL Audio amplifiers, and the front components I run are Alpines.

Old 02-09-2008, 08:47 PM
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Originally Posted by cos400
crunch pzi 100.4 4x100rms
will do the job
£100
got a link
Old 02-09-2008, 09:50 PM
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Originally Posted by FIESTA CHRIS H
thinking of getting this. is it what i need. i get confused when they mention 2 ohms and 4 ohms
Old 02-09-2008, 10:27 PM
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is bassboy still on here???
Old 03-09-2008, 06:04 PM
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