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So I've got this super powerful car amp (primarily designed to run 4Ohm speakers) and was curious about adding a sub to the two channels driving my front two 4Ohm speakers. If I throw in a 4 ohm sub, what would happen if I were to bridge the two channels and run the three speakers in series?
My understanding is that bridging channels halves the impedance, so the amp would be driving 2Ohms. Running three 4Ohm speakers in series would have a total impedance of 12Ohms so would that leave me running the wattage of 2Ohms coming from the amp divided among the speakers? Can anybody help me?
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you need a 2-way Stereo Passive Subwoofer Crossover
it has in and out for stereo speakers
at full range and a mono low range output for a single sub about 10$ on ebay
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>>1124257
>bridging channels halves the impedance
bullshit.
Stereo amps are basically two independent mono amps in the same box.
The collector output of Right channel is designed for a resistive load, thus definitely not expecting to be grounded by another collector, like the left channel one.
This is very likely to happen if you're listening to a stereo track thru stereo wired INPUTS and parallel'd OUTPUTS.
On the other hand, if you bridge left+right INPUTS and left+right OUTPUTS, you will be getting twice more power, still at a matching load will stay at 4ohms.
To address your question, is your car amp fitted with a switch to invert (dephase 180°) the signal of one of the two channel ?
If if it's not you will have to get a dephaser to do that job, before considering to bridge amp's outputs...
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you can do this but without cross overs as mentioned above treble will come out the bass speaker and bass from the mid/high speaker.
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>>1124293
picrelated.jpg
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two speakers 4ohm
possibilities
2ohm and 8ohm
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>>1124300
This.
And define "super powerful" my fucking 599 watt kicker was twice the size and quality of my same priced 1600 watt legacy
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>>1124269
OP here, Could you explain this a bit more in laymans terms? I don't want to loose my stereo ability by bridging, are you saying it's possible to bridge without loosing stereo?
>>1124282
What's a dephaser?
>>>>>>>>>Basically I found a wiring format that will pump most of the wattage to speaker C with a combination of series and parallel. My only problem now lies in how I can maintain stereo output and run a LPF on the sub alone. Do you guys have any ideas?
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>>1124436
Well a dephaser is a device that adds some phase to signal. It's very like delying it but you don't speak in seconds but in degrees.
Was looking for a schematic to explain, but found that faggot website : he knows his shit !
>Protip
Read this : http://www.bcae1.com/bridging.htm
And this : http://www.bcae1.com/trimode.htm
Trimode schematic is what you're looking to, but first of all, you need to know if your amp is bridgeable masterrace or not.
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>>1124660
Thanks for the help and those links bro, trimode definitely seems like what I'm after. Bridgeable masterrace checking in. If I wire it up in trimode, what will a dephaser do for me? Google isn't turning up too much...
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>>1124716
So, did you figured out if your amp was bridgeable or not ?
Googling for "dephaser" is not likely to return a lot of result, or you may end on tube amp boards... Look for "bridging modules" instead !
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