General replacing speaker oh subwoofer

[subzero]

hello to all. I would like to replace the rorignal speaker of the standard fiat punto subwoofer. It's 130 mm speaker. All models I could find have tow terminals and the original subwoofer from fiat has four. Does anyone know a speaker that i can use to put there? or a process to link a tow terminal speaker there?

thank you and sorry for my english

 

[toad101]

if your changing complete unit i think two of the wires are to power the amp

 

[subzero]

i just want to replace the speaker. from the circuit wich has the amp goes 4 wires to the speaker. But all speaker i could find have only two terminals.

does anyone know a solution?

 

[CrArC]

Well the sub has two voice coils, you need one that has two as well. I tried fiddling with my sub recently too. Unfortunately you can't just double up the wires as they're left and right channels... I'm sure there would be problems trying that...
I'd have thought the only solution was to find a speaker with two voice coils.

 

[subzero]

that's also what i had supposed. finding it is becoming a problem. does anyone know where to find it?

 

[CrArC]

I know there are loads of subs with dual voice coils but of that size, nothing springs to mind.... why do you just want to replace the speaker anyway? Do you actually mean to fit it in the original housing or get a bigger sub mounted in its own with the wires hooked up to that?

 

[subzero]

because the speaker is broken, and i need all space i can have on the back of the car. getting a new sub is out of the question unfourtnely.

i don't mind buying one like the original or maybe a 165mm speake,r wich could be set there with some house work. it's just cutting a bit more.

anyone with an idea?

 

[CrArC]

After a poke around on google the only thing I could immediately suggest would be buying a used subwoofer unit from eBay, if that's at all possible. Or the manufacturer of the subwoofer? (might specify on the back of the sub) or the unit as a whole. In my car the old head unit was from Blaupunkt, I don't know if they did the sub unit too, never checked.

 

[subzero]

getting a used one is out of choice. the manufacter of the speaker is ask or whatever that is

 

[subzero]

i have another question....to replace the subwoofer speaker...

i have to look only for subwoofers or a woofer speaker will do the job?

 

[jug]

you could fit any speaker in there as long as it fits it will be capable of producing bass (except a tweeter obviously). getting a good air proof fit will help the bass.

the standard speaker has 4 wires on 2 circuits to ensure left and right channels are isolated. if you combine the wires you will cause damage to the amplifier in the headunit as the amp is not stable at such a low impedance (sticking the wires together will half the ohms and fry the amp). to overcome this you can simply use one pair of wires on a conventional speaker, or my personal suggestion is that you use the two pairs to have 2 speakers producing bass. if boot space is an issue mount the speakers on the parcel shelf.

unlike most subs, the standard fit punto bass speaker is not a conventional sub woofer, rather it is a dual voice coil high impedance speaker. you can replace it with a pair of mids from a set of components with no problems. it would work well and sound better, even when mounted on the shelf.

if you're really clever you could try mounting the 2 mids together on the original speaker splastic housing. use mids that are 130mm, mount one in the same way as the original speaker and then mount the other onto the first speaker so they are facing each other. then reverse the polarity on the outer speaker and they will work together. (important to reverse polarity or they will work against each other, so swap the wires around on one speaker)

 

[subzero]

i found that information on two other foruns but you make it very much clear. tkank you very much. ill just put there a single 130mm woofer as you said.

tkank you for the information. till next time and bye bye.

P.s. congradulations for the forum to you all.

 

[bullit]

i blew my standard sub and had real problems getting a replacement even at scrap yards in the end i just removed the whole sub and replced it with a 600 wat amp and a 900 watt sub sounds alot better but after a few weeks i managed to get another sub from a scrappy for just £10 now i have it to put back in when i sell the car (but that wont be for a while yet)

 

[CrArC]

I'm just going to disconnect mine when I upgrade, piece of cake to convert back to stock that way

How did you blow it though?? I often run around with the volume at about 44/45 and bass +6 on the Blaupunkt head unit (though I'm swapping that out tonight or tomorrow for a custom DVD playing wotsit) which is about as far as it will go before distorting...

 

[subzero]

i made it today!!!! i put there a 130 mm speaker of 40 rms and peak power 250 watt. the material is not that "paper" it's polypropylene . it's a lot better now.

i also replaced the back speaker for ones of that same material. they are 3 way speakers of 100 mm and they peak at 120 watt.

my sound is a lot better now, you put on the radio and you can imediatly tell the diference. of course it's a not a system with a box sub and oval speakers bla bla bla but using the standard fitting and the standar mp3 radio it's very good indeed.

thank u all again and i'm sorry for my english one more time.

 

[CrArC]

You mean to say a 40watt speaker sounded a lot better? I thought the default one was 100watts... or maybe they were cheating when they labelled it and that was peak wattage?

My new head unit is a 4x50w (peak, probs) jobby, since the stock sub seems to have high level inputs to the built in amp even that seems to have improved...

 

[subzero]

as i could measure the rms power of the amp ti's about 50 but the speaker doesn't go further than 100 but on peak so you already know that if it goes to 100 peak the rms it's a completly crap.

so it's true the sound goes a lot better.

have a nice day