This formula helps you determine how much impedance for a parallel circuit has.Īs a reminder, the “R” in this case stands for resistance. You need to keep adding “1/R” the more speakers you have. To figure out the impedance value of a parallel circuit you’re going to need a calculator.ġ/R = 1/R (1st speaker) + 1/R (2nd speaker)…etc. This is the main difference between a parallel and resistor circuit which only has 1 pathway. How do I determine if I have a parallel circuit?Ī parallel circuit has many paths for electrons to get from one end to the other. Once you know how much your impedance is worth, then you’ll know whether you need to adjust or stay where you are. To find out the total impedance value of your circuit all you have to do is add up all the impedance values. If so, then you’ve got yourself a series circuit. Once you’ve turned off your resistor, does the whole circuit stop working? A series circuit has more than 1 resistor but only 1 path.Īn easy way to tell if you have a series circuit is by turning a resistor off. Series circuitryĪ series circuit is similar to a straight line. To start, let’s talk about series circuits. The point of telling you this is by knowing which circuit you’re working, you can determine how much, and how to get your desired impedance. There are 2 types of connections your circuit can be configured to.Ĭhoosing the right one has caused the debate of parallel vs. Getting your desired impedance the easy way takes a little math, but we promise, this type of math won’t leave you scratching your head. THE EASIEST WAY TO DETERMINE YOUR IMPEDANCE
This article will give you a better breakdown on how to convert 8-ohm speakers to 4 ohms than our initial thought. The question is - How long can you do the thing and get away with it? That remains to be seen.We honestly wanted to say “the easiest way to convert an 8-ohm speaker to a 4-ohm speaker is to throw your 8-ohm speaker out and buy a 4-ohm speaker.” You can do any thing, that's not the question. And the impedance can rise as high as 10 times the nominal impedance. 8 Ohm rated B&W can drop as low as 3.2 ohm. The reality is that the impedance can drop to 80% of nominal and on some speaker even less. Keep in mind when we talk about speaker impedance, we are talking about Nominal Impedance, which means impedance in name only. Though likely no damage, just let that amp cool down and things will be fine again. You can run at this impedance (3.4 ohms) at reasonable volume for quite a while, but if the time gets long, or the volume gets high, likely the amp will shut down due to excessive heat. And Sony are notorious for having weak power supplies. It does not say that in the manual, neither do the detailed specs rate the amp at 4 ohms. I'm not sure how he worked out that the Sony Amp is 4 ohm compatible. Did Crocodile give you the right answer, or did he simply give you the answer you wanted to hear?
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