Series-parallel wiring of four speakers
Click to see full answer. Subsequently, one may also ask, is it better to run subs in series or parallel? While series wiring of multiple subs increases the total effective impedance, parallel wiring of multiple loads lowers the total effective impedance. With subwoofers rated at equal impedances, the system impedance is equal to the impedance of one sub voice coil divided by the number of subs. One may also ask, are 2 or 4 ohm subs better? A subwoofer with a lower electrical resistance produces a louder sound than one with a high electrical resistance, which means that 2ohm subwoofers are louder than 4ohm ones.
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How to wire Four Speakers to One Amplifier
View Full Version : Wiring of 4 tower speakers. Trying to track down an issue on a friends boat and looking for some ideas.
All four tower speakers are connected to one amp, did not have a chance to get to the amp but could see that the green light was on and it had power. The part that I am trying to figure out is how the speakers were wired. Two sets of speaker wire go up the tower and then both positives are connected to a single red and both negatives are connected to a black.
The wires then go into the tower and I cannot tell for sure how they are connected. Going back over there later this week with the correct tools to track down the issue, just trying to get an idea of how the original installer set these up. Tower has four Bullet Hollowpoint s and being pushed by one amp. Boat is originally from Plano so it's possible that Earmark did the original work back in The speakers are 4-ohms each.
The wiring scheme will be determined by whether the amplifier is a monoblock, 2-channel, or 4-channel. You should also be able to tell how the speakers are wired with an ohm meter. With 4 Ohm speakers you can expect to see approximately 8 Ohms when wired in series.
Wired in parallel you'll see 2 Ohms. Usually I'd expect to see a 2 Ohm configuration but you'd have to have an amp that is rated for 2 Ohms.
The Ohm rating of the speakers and amp does not have to match. The amp must be rated for lower than the speaker load. Example two 4 Ohm speakers wired in series for an 8 Ohm load is safe for a 4 Ohm rated amp. Waiting for him to get back with the exact model before heading over there with my stuff to figure it out. I have just never seen two speakers wires come from the same amp soldered together to form a two into one setup to power four speakers.
I'll follow up with the amp once I find out. If there are only two pair of wires coming to the amp, they can't be using all 4 channels for the tower.
They could be bridging the amp into two channels though. That's pretty common and fine if the amp supports it. If it were wired this way you'd only see one pair of wires from the tower plugged into the amp. Additionally that amp will need to push a ton of watts to push 4 bullets.
Best get on site with your gear and see what he's got. Turn out the tower was being run by a Kicker Going out there this weekend to take a look, is it worth saving this amp or get the PPI You are correct in that But the PPI Output increases are not a matter of a certain numeric increase but more of a ratio difference.
However, the added efficiency of the PPI amplifier would be welcomed. Everything about this amplifier is superior to the PPI.
Although the wattage is light for 2 pair of HP 7. Being a 2 chnl amp and 4 speakers, you would expect one pair per chnl. The most logical config would be each pair wired in parallel for a 2 ohm load. The ppi 4 chnl is a little bit more net wattage, but not enough to really make a seat of the pants difference. Given the current interesting wiring setup, can two channels be bridged together or running four individual wires the only option?
With a 4-channel amplifier, to run four 4-ohm speakers, you will need eight conductors up the tower to achieve a 4-ohm load to four discrete channels. So 4X watts. Or, you can bridge the amplifier into two channels, run two speakers per side in series, with an 8-ohm load to each of two bridged channels. This only requires four conductors up the tower. So 2X watts. So watts to each of four speakers either way. You can't safely bridge into a 2-ohm load.
You can safely bridge into a 4-ohm load, but there is no way to achieve that in this case. That's why MLA recommended the 2-channel in that with four speakers it is usually the most cost-effective way to produce power, whereas you see bridged 4-channel amplifiers most often used with a single pair.
And, it will deliver the identical power with any supply voltage between Realistically you will develop about At rest you will begin at And you try and limit your discharge to no less than

Series parallel vs. Parallel series wiring in 4x12 cabs
Solid-state Amps: Most solid-state amplifiers would rather look at an open circuit no speaker at all than a load. Therefore, you can usually use a load that is higher than the recommended load. Do not use a lower impedance load, as this could cause serious damage to your SS amp. Tube Amps: On the other hand, most tube amplifiers need a load to avoid transformer or tube socket damage. If a mismatch can not be avoided on a tube amp, it is better to go towards a lower impedance rather than too high of a speaker impedance.
Series versus Parallel Surround Wiring
By Barry Ferrell. Have you ever wondered which is a better method for wiring your surround speakers, and why? Some installers use Series-Parallel wiring schemes to conserve amp channels and raise load impedance on inferior amps. But at QSC, we have always recommended parallel wiring for all surround speakers when multiple speakers are combined on an amp channel. Parallel connections sound better, are more reliable, provide more dynamic headroom, are easier to wire, and in some cases, make upgrading to 7. When a loudspeaker is connected to an amplifier output, the amplifier provides better control of the speaker motion and the speaker has a flatter frequency response if the output impedance of the amplifier is a lot lower than the impedance of the speaker. If the amplifier has a damping factor of , the output impedance is 8 ohms divided by , or 0. With such a low output impedance, the frequency response of the voltage supplied to the speaker is very flat and the amplifier maintains good control over the cone motion at low frequencies.
How to properly wire a 4x12 speaker cabinet

There are several ways to wire up Speakers, the most common methods are Series and Parallel which are discussed here. Wiring up Speakers correctly to provide the best possible sound, requires some knowledge of Loading, Phase, and Impedance, while understanding Ohms Law will help you to connect your speakers properly. This allows the Amplifier to run cooler and more efficiently. It is often assumed the Amplifier is producing less output, but it still produces the same output, because each Speaker only gets a percentage of the overall power.
Serial vs parallel speaker wiring
One thing I learned pretty early in life is that speakers are not meant to be wired together in a haphazard manner. In fact, whenever you plan to connect more than two speakers to a two-channel amplifier — or more than four speakers to a four-channel amp — there are a few things to consider, not the least of which is the amps ability to handle low-impedance loads. Ignoring the basics is like playing Russian roulette with your amplifier: If youre lucky, itll drive the speakers without incident; if youre not, the amp will fry. The great thing about a multiple-speaker hookup is that once you master only two basic wiring procedures — "series" and "parallel" — the world is yours to conquer. When you know how many speakers youre going to use and the impedance driving capability of your amplifier, youll be able to select a wiring scheme that will deliver the best sonic and electrical results. In some cases, it may not be one procedure or the other but a combination of the two that works best.
A Guide To How Speakers Share Power
In an earlier article we looked at the issues involved in connecting multiple speakers to one amplifier. In this article we look at some of the practical ways of wiring four speakers to each amplifier left and right. For example, it is normal to have your main HiFi amplifier in the lounge room. It is also common to want to have some speakers in the family room, outside patio or pool area and in the workshop or garage. If you need to connect just 2 pair of speakers to a HiFi stereo amplifier that is, 2 speakers to 1 amp , see my article on How to connect 2 speakers to 1 amplifier. I have had many people over the years tell me it is easy to connect multiple speakers — all you have to do is wire the speakers in series.
Subwoofer Wiring Diagrams
Amplifiers are designed to power a specific "load", meaning a speaker or a set of speakers having a specific "AC impedance" measured in ohms. An impedance resists the flow of electric current and so the higher a speaker's impedance the less current the amplifier must supply. Conversely, the lower a speaker's impedance the more current the amp must supply.
Speaker Cabinet Wiring and Impedances We get many questions about speaker loads and impedance when it comes to matching a Bass Amplifier with a Speaker cabinet. Most players want to get the maximum amount of available power out of their amplifier while allowing the flexibility of adding additional speakers when the need arises. You will first need to know the Minimum "load" requirements of your amplifier and how much power the amplifier produces at 8-Ohms, 4-Ohms and in some, but not all cases 2-Ohms. When adding additional speakers cabinets to unleash your amplifier's additional power reserve, remember, you must DOUBLE your amplifier's power to gain only a 3db increase in volume a very small increment. So, think of doubling your amplifier power more as a dynamic headroom reserve rather than as a means to play louder. However, the additional speakers that you use will generate a much greater ability to produce volume due to additional cone area pushing the airwaves.
Very often, the question is speakers louder in series or parallels asked on different forums, but still, there is not enough information that gives a good answer. It is known that multiple speakers can be wired with a single amplifier, and to connect them, we can choose a series or parallel connection. As far as connectivity is concerned, both are fine, but when we want more efficiency and louder volume, we need to choose one wisely. Speakers are louder in parallel connection because, in parallel connection, resistance decreases. As the resistance decreases, the current will be more efficient, and basically current is music low impedance, and faster electric current passes mean the loudspeakers will be. For example, if you have two speakers each have 8 ohms in parallel connection, the impedance will be four, and in series connection, it will be 16 ohms. So 16 ohm not only makes the speaker quiet but also reduces the maximum power output of your amp.
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