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Is there performance difference between wiring a driver in series vs parallel?
Alright, over on "another forum" there's a thread that's turning into a shit show, however, it does get me wondering.
Many manufacturers post T/S parameters of DVC drivers with the voice coils in series, but I don't, or at least didn't often see T/S parameters listed with voice coils wired in parallel. Why is that BTW?
So, with this thread on "the other forum" the OP talked about how the subwoofer performed so much better wired for a higher impedance. Can't say I have experienced such myself, but I've never had the opportunity arise where I could easily change the sub's impedance and still give it the same amount of power to make any sort of a "fair" comparison.
So, without turning this into a shit show, can we discuss what sort of differences there will be a when doing such, assuming you can feed the driver the same amount of power wired either way, using the same amp so it's not a variable in why the driver may perform "better" one way or the other.
Everything I've read in the past when DVC Subs came out indicated there was no difference in the way the sub performed, it was merely a way to get more flexible wiring options.
Still, if the parameters do change some depending on voice coil wiring configuration, could/would the driver behave differently enough to make an audible difference?
Edit.
Actually, "performace difference" is probably not the right way to put it.
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Re: Is there performance difference between wiring a driver in series vs parallel?
I believe DVC subwoofers came out to give car audio people more wiring and power choices from back in the day when high power amplifiers were expensive or they overheated easily because they were class AB and inefficient. Back then an easier way to extract more power was to reduced the impedance of the speaker driver so that you could get more power from that same amplifier and with DVC you had choices based so you could best match the driver to your amplifiers rating. This is especially handy when wiring multiple drivers in any series or parallel or combination of both configurations you wanted to arrive at an impedance that would work with your amplifier. This also allowed manufacturers to sell more drivers. Manufacturers list the TS parameters wired in series just because they look better with bigger numbers. An example is the BL number.
Back then there were those that would argue that when you used a lower impedance drivers that you lost something in terms of sound caused by such things as damping factor and that this was going to degrade the sound even though there was no evidence of such witchcraft actually making a difference. The fact of the matter is it makes no audible difference other than when you wiring in series the loudness is reduced due to the reduced power the amplifier can send. I’ve tried it a few times now and it makes so little difference that it’s not worth making any sacrifices in my opinion.
Here is an article by a very well respected expert that dispels the damping factor myth. If you still believe damping factor makes an audible difference after reading this than god help you, :daniel:
https://www.audiofrog.com/community/...of-a-factor-2/
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Re: Is there performance difference between wiring a driver in series vs parallel?
I'm no expert, but I play one on the interwebz. Others can chime in, but this has been my experience.
When you run voice coils in parallel, the amp is seeing half the impedance of a single VC, therefore it basically produces twice the power. If the VCs are wired in series, the amp sees twice the impedance of a single VC, and therefore produces half the power. The advantage of running higher impedance is the amp doesn't have to work as hard (lower heat) and there is an increase in damping factor (control of the sub)...however, the sub isn't getting as much power, which will affect output.
So wiring the voice coils in series my give you lower output, but can increase the "punchiness" of the woofer because the amp has better control over the sub.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Meh, I do what the install calls for. Now here's a wrench for this thread that is someone on topic. What causes a single 4 and d4 sub to need VERY different box size to get similar results on paper? The Dayton ho10-4 and ho10-44 are a perfect example of this. The d4 needs more than double the box to get similar results of the single 4 when modeled. This is why I won't hardly recommend a sub for a specific enclosure size anymore unless I can go model it myself to verify that small box gem isn't an air pig in the other coil configuration. I've also modeled subs that didn't have enough box size difference to matter over the different coil configurations. This is why you should always verify on your own before trusting a marketing department.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Yeah, that's all I ever heard about years ago, it just gave more wiring options, but that honestly made little to no sense to me. Many manufacturers had SVC drivers in 2 ohm, 4 ohm, and 8 ohm options, JL audio is one of them that comes to mind, as the 10W0-4 is what I was running and they offered the driver as a 10W0-2 and 10W0-8.
I mean if you know what final impedance you are wanting/needing, then what's the point of a DVC driver. How often does a guy decide to rewire a setup, I mean one would typically wire a setup for optimal performance, in which case, they'd already know what impedance they need.
Hillbilly SQ, I think I've seen such before as well. That was/is something I didn't understand either. If the driver was supposed to be the same, just offer multiple wiring options (which I still don't fully understand the need for) then yeah, why would it require a different enclosure. In fact, I believe I've seen models that one was better suited for sealed applications, while the other was much better suited for ported. Another oddity if they are "supposed" to be the same.
In the end, the only time I see a DVC driver being worth getting over a SVC, is if you are into SPL competitions and want to wire to a super low impedance for a burp, then "rewire" for daily operation so as not to fry the sub(s) or amp.
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Re: Is there performance difference between wiring a driver in series vs parallel?
I run a d4 because my amp makes the most power at 2 ohms (350 at 4 and 600 at 2 iirc), but if given the choice between a single 4 or d2 I'll choose the single 4 every time. I do find it borderline humorous that you can take a .7 box and a pair of ho10-4's would be just as happy as a single ho10-44 would be in the same box.
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Re: Is there performance difference between wiring a driver in series vs parallel?
As for the DVC thing, back in the mid '80s my first subwoofer was a 10" D4 Eminence (parcel shelf "IB" in a '71 Colt coupe, LOL), on a Sanyo PA6110 (50W x 2), one coil per channel...
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
JCsAudio
I believe DVC subwoofers came out to give car audio people more wiring and power choices from back in the day when high power amplifiers were expensive or they overheated easily because they were class AB and inefficient. Back then an easier way to extract more power was to reduced the impedance of the speaker driver so that you could get more power from that same amplifier and with DVC you had choices based so you could best match the driver to your amplifiers rating. This is especially handy when wiring multiple drivers in any series or parallel or combination of both configurations you wanted to arrive at an impedance that would work with your amplifier. This also allowed manufacturers to sell more drivers. Manufacturers list the TS parameters wired in series just because they look better with bigger numbers. An example is the BL number.
Back then there were those that would argue that when you used a lower impedance drivers that you lost something in terms of sound caused by such things as damping factor and that this was going to degrade the sound even though there was no evidence of such witchcraft actually making a difference. The fact of the matter is it makes no audible difference other than when you wiring in series the loudness is reduced due to the reduced power the amplifier can send. I’ve tried it a few times now and it makes so little difference that it’s not worth making any sacrifices in my opinion.
Here is an article by a very well respected expert that dispels the damping factor myth. If you still believe damping factor makes an audible difference after reading this than god help you, :daniel:
https://www.audiofrog.com/community/...of-a-factor-2/
I wish I would have had that article 27 years ago....wow I sound old.
I participated in an experiment with a group of audio enthusiasts. With quality components, doing blind comparison with subwoofers made no statistically significant differences.
With some very low end amps, one set being Kraco, there was such an obvious difference that we believe it had more to do a crappy amplifier not really being 2 ohm stable.
It is interesting what we can convince ourselves of. Another test we did involved tweeters. We found that an accurate high quality tweeter is just that. Not all soft domes are smooth and not all hard domes are harsh or bright. Accurate sound is accurate sound.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
JCsAudio
I agree, in most situations, a lower output impedance (higher damping factor) will provide little to no audible improvement. But IME, a high damping factor on a boxless sub (IB, trunk baffle, Dipole) makes an audible difference. The higher efficiency and lower power handling (not thermal but excursion wise) of such a system also reduces the impact of less power too.
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Re: Is there performance difference between wiring a driver in series vs parallel?
For "sound pressure level" competitors will wire their sub in parallel to get highest dBs. I purchased a 1 ohm dvc DD model G with a carbon fiber cone and wired it @ 1/2 ohm in a sealed box . . . W0W , frickin amazing " HIT " !
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
Queef
For "sound pressure level" competitors will wire their sub in parallel to get highest dBs. I purchased a 1 ohm dvc DD model G with a carbon fiber cone and wired it @ 1/2 ohm in a sealed box . . . W0W , frickin amazing " HIT " !
But I don't understand why it'd make the slightest bit of difference.
I mean if the sub is rated at say 1000RMS (don't know what it's rating was years ago) and you can achieve such power regardless of weather it's wired to present a .5 or 2 ohm final impedance, why would it "hit harder" wired at .5 ohm vs 2 ohm?
Again, I'm not talking about how a lower impedance load will allow for an amplifier to produce more power and in turn, greater output from the setup. My question was that if all else were equal, what difference would it make? 1000RMS@.5 vs 1000RMS@2 ohm to that sub. You saying it'd still hit harder wired for .5 vs 2 ohm?
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
Weigel21
But I don't understand why it'd make the slightest bit of difference.
I mean if the sub is rated at say 1000RMS (don't know what it's rating was years ago) and you can achieve such power regardless of weather it's wired to present a .5 or 2 ohm final impedance, why would it "hit harder" wired at .5 ohm vs 2 ohm?
Again, I'm not talking about how a lower impedance load will allow for an amplifier to produce more power and in turn, greater output from the setup. My question was that if all else were equal, what difference would it make? 1000RMS@.5 vs 1000RMS@2 ohm to that sub. You saying it'd still hit harder wired for .5 vs 2 ohm?
I’m speculating this based on many amplifier dyno’ s I’ve watched. When an amplifier is wired for a lower impedance it often puts out more dynamic power at say 1 ohm vs 2 ohms even if the RMS is similar because the lower impedance allows that to happen due to less resistance to current flow. This is of course very dependent on the actual amplifier used so let’s take the Rockford Fosgate t1500 bd period I have for example. At two ohms it puts down 1741 watts rms and 2114 dynamic power. At 1 ohm it puts down 1807 watts rms and 3296 watts dynamic power. With the lower impedance the dynamic power is 36% more which translate to 2 db more output for a fraction of a second. If 1 db is the lowest perceptible change a human can hear than you might notice a slight difference.
with a lesser non regulated power supply of say most amplifiers the difference might be less so you may not notice it at max volume but lower volumes maybe.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Water analogy
Volts equals pressure
Amperes equals gpm (gallons per minute) or flow rate . Throw a glass of water on the ground. Dump a 30 gal garbage can on the ground.
Resistance equals ? Try punching through a piece of rice paper , now try punching through a oak tree.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
Weigel21
But I don't understand why it'd make the slightest bit of difference.
You saying it'd still hit harder wired for .5 vs 2 ohm?
Do they use fire hoses or garden hoses on rioters ?
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
JCsAudio
I’m speculating this based on many amplifier dyno’ s I’ve watched. When an amplifier is wired for a lower impedance it often puts out more dynamic power at say 1 ohm vs 2 ohms even if the RMS is similar because the lower impedance allows that to happen due to less resistance to current flow. This is of course very dependent on the actual amplifier used so let’s take the Rockford Fosgate t1500 bd period I have for example. At two ohms it puts down 1741 watts rms and 2114 dynamic power. At 1 ohm it puts down 1807 watts rms and 3296 watts dynamic power. With the lower impedance the dynamic power is 36% more which translate to 2 db more output for a fraction of a second. If 1 db is the lowest perceptible change a human can hear than you might notice a slight difference.
with a lesser non regulated power supply of say most amplifiers the difference might be less so you may not notice it at max volume but lower volumes maybe.
Yeah, I've seen a few tests where dynamic power was noticeably more. Sometimes the dynamic output was better at higher loads, sometimes it was better at lower loads, and sometimes, the dynamic output really wasn't much more than the certified and uncertfied output.
So in certain situations, I guess I could see how a lower impedance may hit harder.
Still, my initial query was about the driver itself, this example you have pitched has brought the amplifier into the equation much more than I had initially wanted, but I guess it can't be helped.
So I guess from all this one could conclude that a driver wired for a lower impedance will have a more dynamic range than one wired for a higher impedance? I mean you seem to indicate that the dynamic range would be more at a lower impedance.
Quote:
Originally Posted by
Queef
Water analogy
Volts equals pressure
Amperes equals gpm (gallons per minute) or flow rate . Throw a glass of water on the ground. Dump a 30 gal garbage can on the ground.
Resistance equals ? Try punching through a piece of rice paper , now try punching through a oak tree.
Not so sure I follow the analogy all that well. So you saying that the lower impedance will hit harder due to less resistance given the same power as a higher impedance.
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Re: Is there performance difference between wiring a driver in series vs parallel?
If the police use garden hoses instead of water cannons the protesters would not be knocked down.
A fire hose will fill a swimming pool in ten minutes , a garden hose will fill it in 24 hours.
You want to get punched by Mike Tyson or a 6 yr old girl ?
The reason my amp can accept 1/0 power wire and I use a high output alternator and an Optima battery is get a lot there very quickly.
Dense - define
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Re: Is there performance difference between wiring a driver in series vs parallel?
Based solely on the original premise of the question regarding a DVC driver and amplifier out of the equation.
No.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
Weigel21
Not so sure I follow the analogy all that well. So you saying that the lower impedance will hit harder due to less resistance given the same power as a higher impedance.
You can use 8 awg , 4 awg , . . . Or welding wire to feed an amp.
It's your choice !
I'd prefer a bb gun , versus a 44 magnum if someone was shooting me.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
Queef
If the police use garden hoses instead of water cannons the protesters would not be knocked down.
A fire hose will fill a swimming pool in ten minutes , a garden hose will fill it in 24 hours.
You want to get punched by Mike Tyson or a 6 yr old girl ?
The reason my amp can accept 1/0 power wire and I use a high output alternator and an Optima battery is get a lot there very quickly.
Dense - define
I still don't follow. How is more power vs less power following my "all things being equal" in the initial inquiry? Of coarse more power is likely to hit much harder than less power.
However, are you still claiming that 1000RMS@.5 ohm hits harder than 1000RMS@2 ohms?
I mean with your riot hose analogy, which is which? I assume the garden hose would be the power into a more restrictive 4 ohm, while the riot hose is into a less restrictive 2 ohm load. For both to be producing the same amount of output (which was part of my all being equal), the garden hose would have more force with the more restrictive opening if producing the same volume of output.
Honestly, I'd much rather be knocked down with a riot hose than have my flesh pealed off from a garden hose producing the same volume of output as the riot hose.
Quote:
Originally Posted by
Smitty
Based solely on the original premise of the question regarding a DVC driver and amplifier out of the equation.
No.
Thank you, much more straight forward and makes more sense to me. It just leaves me wondering why DVC drivers still exist given how cheap power is these days and how easily it is to buy a SVC driver with the impedance required to reach the desired final load.
I mean if you want two 12" drivers and a 1 ohm final impedance, buy two SVC 2 ohm drivers.
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Re: Is there performance difference between wiring a driver in series vs parallel?
And what does an amplifier's power wire size have to do with how a DVC driver will behave if wired in series vs parallel?
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Re: Is there performance difference between wiring a driver in series vs parallel?
In series (8 ohms) the current in amperes will be less
In parallel (2 ohms) the current in amperes will be more
A bb gun (8) , a 44 magnum (2)
An oak tree (8) , a piece of paper (2)
A punch from a small child (8) , a punch from Mike Tyson (2)
Make any sense ?
You can feed an amp with a small fuse with 8 gauge wire. ( Small child )
A mono amp with 4 big fuses you feed with 1/0 gauge ( Mike Tyson )
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
Weigel21
.... It just leaves me wondering why DVC drivers still exist given how cheap power is these days and how easily it is to buy a SVC driver with the impedance required to reach the desired final load.
I mean if you want two 12" drivers and a 1 ohm final impedance, buy two SVC 2 ohm drivers.
DVC drivers are mainly for flexibility. There is more mass in some so T/S also changes but mainly flexibility/options.
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Re: Is there performance difference between wiring a driver in series vs parallel?
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Re: Is there performance difference between wiring a driver in series vs parallel?
To answer your question wether there is a performance difference between wiring a DVC subwoofer in series vs parallel; if the power input is the same than no. You won’t notice any difference in sound qaulity, damping factor, or anything else. What you will notice, and you can’t help but notice it when wired in parallel is that the amplifier connected will send up to 50% more power to the subwoofer due to the reduced resistance, and when that happens you will notice the difference in perceived SPL. This has I think confused the shit ton of a lot of people, even very intelligent people into thinking there is some kind of magic hocus-pocus going on and there isn’t.
the DVC configuration helps you by giving you more options. If your subwoofers needs are modest and your amplifier can supply more than 150% of the power the subwoofer needs at say 1 Ohm than wire it for 4 Ohms or 8 ohms vs 1 ohm or 2 ohms. They also give you wiring flexibility when using more than 1 subwoofer.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
Queef
In series (8 ohms) the current in amperes will be less
In parallel (2 ohms) the current in amperes will be more
A bb gun (8) , a 44 magnum (2)
An oak tree (8) , a piece of paper (2)
A punch from a small child (8) , a punch from Mike Tyson (2)
Make any sense ?
You can feed an amp with a small fuse with 8 gauge wire. ( Small child )
A mono amp with 4 big fuses you feed with 1/0 gauge ( Mike Tyson )
Power is measured in watts.
if the power is the same, then the Mike Tysons are the same, and both 2 and 8 ohm will remove an ear.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
JCsAudio
This has I think confused the shit out of a lot of people, even very intelligent people into thinking there is some kind of magic hocus-pocus going on and there isn’t.
Once the magic smoke gets out . . .
L0L
:hmm:
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
Queef
And here you have it, there is "NO" behavioral difference between a driver when wired in series or parallel according to the first link you posted.
Again, we all know that a lower impedance results in an amplifier being capable of producing more power, however, that was completely irrelevant in my question.
Again, 1000RMS @1 ohm, 1000RMS@2ohms, 1000RMS@4 ohms is still 1000RMS.
Yes, I know that a 1 ohm load and a 2 ohm load to an amplifier will result in a different amount of power capable of being produced by said amplifier and in return, the driver getting more power will be louder. However, that has NOTHING to do with the specific question I asked.
One can easily limit the power produced by an amplifier through setting the gain lower (at least to some extent).
That said, one could set an amplifier capable of 1000RMS@4 ohms to limit output at 2ohms to 1000RMS as well, in which case, that is what I was asking if there is a difference in how a driver would perform. Short and simple answer is that there should be no significant difference.
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Re: Is there performance difference between wiring a driver in series vs parallel?
If you are happy , then I am happy !
Lower impedance more current in amperes
Is a glass of water wet ? Yes
Is a tidal wave wet ? Yes
I would be happy to get hit with a small amount of water , but if I was trying to impress someone . . . A tidal wave is way more impressive !
Mark my words
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
Weigel21
And here you have it, there is "NO" behavioral difference between a driver when wired in series or parallel according to the first link you posted.
Again, we all know that a lower impedance results in an amplifier being capable of producing more power, however, that was completely irrelevant in my question.
Again, 1000RMS @1 ohm, 1000RMS@2ohms, 1000RMS@4 ohms is still 1000RMS.
Short and simple answer is that there should be no significant difference.
With a simple calculation of Ohm's Law you see as resistance is doubled , power is halved.
Unless you have never heard of Ohm's Law ?
The current in Amperes doubles when resistance in Ohms is cut in half.
So yes there is a "measurable" difference in your example of 1 , 2 or 4 Ohms.
If you can hear a difference between the "amount" of "Hit" from a kick drum with a light kick/medium kick and a very heavy kick . . . You may be able to discern the difference between more volts and less amperes or less amperes and more volts (even though 1,000 watts is always produced ).
I can fill two 8 oz containers with cottage cheese , the amount of whey and the amount of curds might not be identical though ?
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Re: Is there performance difference between wiring a driver in series vs parallel?
Ten times one hundred equals 1,000 ?
10 volts x 100 amperes or 10 amperes x 100 volts ?
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Re: Is there performance difference between wiring a driver in series vs parallel?
What you KEEP falling to comprehend is the whole power remaining a constant.
How in the hell can you not read what I keep typing repeatedly and get it in your head?
1000RMS vs 1000RMS is 1000RMS regardless.
I don't give a fuck that an amplifier can produce more power on a lower load, if the damn thing is setup so power produced remains constant, then there is no difference.
Here, let me make it easier for YOU to comprehend. Using a JL Audio Slash v2 Series 1000/1v2, which is rated at 1000RMS from 1.5-4 ohms and has a regulated power supply so it's power produced varies very little regardless of the load presented, are you STILL going to sit here and spew all this bullshit about ohms law and power produced when it has NOTHING to do with my theoretical question?
The only thing you have posted that could even possibly be a plausible argument is the whole amperage/voltage (ratio?).
Not so sure there would be an audible difference between 63.24v into a 4 ohm load vs 44.72v into a 2 ohm load, 1000RMS is 1000RMS.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Too much thinking in 1 day , but if none of this makes any sense , I will trade you one of my amps that makes a 1,000 watts into 1 ohm for an amp that makes a 1,000 watts into 8 ohms :snap:
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Re: Is there performance difference between wiring a driver in series vs parallel?
I actually just sold a Sundown amp to Jordan who was running the JL Audio 1,0001 mono .
JL has put quite alot of protection in their amps, for their amps.
If clipping occurs the amp dials back and in testing once the voltage dropped to 9 volts the amp did not complete it's sweep ( no results ).
The "unregulated" power supply in certain amps helps to produce power when going isn't easy.
A common move by some people is to try to get amp to make the most power by getting it to lock in @ 1.5 ohms.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Quote:
Originally Posted by
Queef
From that link:
Quote:
Do dual voice coils offer a performance advantage? Not really. Do they offer any benefit over a conventional single voice coil design? Definitely...The primary advantage of the dual voice coil speaker is wiring flexibility. A single dual voice coil driver offers the user three hookup choices…parallel, series and independent.
So there you have it.
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Re: Is there performance difference between wiring a driver in series vs parallel?
I don't get why you are so fixated on the amplifier, it is NOT related to my initial question.
I'm not sure where this whole 1000RMS@8 ohm amp came into play, but whatever. Even then, if the amp is so heavily regulated that power output between 1 ohm and 8 ohms remains close enough to easily limit output to an even 1000RMS in this scenario, are you still telling me that the setup wired at 1ohm will perform noticeably different from the same setup wired for 8 ohms final and getting the same 1000RMS?
You've already linked to a page that specifically states there would be NO audible difference, so don't go contradicting the "proof" you posted when it backs up what I'm saying.
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Re: Is there performance difference between wiring a driver in series vs parallel?
I like what I hear when a dual voice coil sub is wired in parallel ( 1 ohm coils connected to show 1/2 ohm ) and no I have never competed in an SPL contest , but I bought a sub from BigRed that he used to burp with.
His name is in books , SPL & SQ ( maybe he doesn't know what he is doing ?)
JL charges 1/2 of the price of a new amp (flat rate) to repair them. JL is in the business to make money and they do ! There are people who hate JL (prices).
Believe what you read if you want to or use your ears and see if it sounds differently than what you read.
POTUS don't believe what he reads.
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Re: Is there performance difference between wiring a driver in series vs parallel?
Weigel21 , I bow down to your astuteness !
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Re: Is there performance difference between wiring a driver in series vs parallel?
If you don't believe what was written in the article you linked, then why the hell post the link and then tell us it's wrong after the fact?|
From the link.
"A dual voice coil speaker will behave exactly the same way whether it is wired with its coils in series or parallel. The only thing that changes is the impedance that the amplifier sees. This means that enclosure calculations are constant for dual voice coil woofers, no matter how the coils are connected to each other, as long as both are connected."
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Re: Is there performance difference between wiring a driver in series vs parallel?
He's not talking about the ohm load the amp is seeing...of course an amp will put out more power to a 2ohm load than it would to a 4ohm load. What he's asking is if a 2ohm sub and a 4ohm sub both saw the exact same power, would you hear a difference? The answer is no!
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Re: Is there performance difference between wiring a driver in series vs parallel?
The amount of power will be same the ratios might be different (current/voltage) due to resistance .
More current means more "hit" bigger wires to handle bigger flow rate.