Hey guysThanks in advance for you help on this. I need to wire five 8 ohm cabinets to a bridged amp. The amp can operate at 4-16 ohm and is 2000w in bridged modeWhat would be the best way to use a combination of series and parallel connection to achieve adequate power and impedance. The layout of cabinets are as follows:Room is long rectangleSolo on far leftPair flying over platformSolo equi-distance on rightSolo far right in overflow New to this and my searches of the forums did. It yield helpful infoThanks,Greg
I have considered running the signal up front and mounting the amps up front, but just a thought.
Well, The reason for bridged is because I am mainly retrofitting.If I had the freedom to have new installation, then I could do things different.The cabling run from sound board to front panel thru the floor joist in a conduit that is already over jammed with wires. There is not other conduit to pull wires, so, short running wires across the ceiling of the basement, I am stuck with the one set of speaker cable between the amp and front panel.I have considered running the signal up front and mounting the amps up front, but just a thought.
So you have one speaker line to the front of the room, but is there also just one cable that runs from speaker to speaker? If so then you may be limited in what is possible.
Five speakers in parallel at 8 ohms each will result in a total resistance of 1.6 ohms. This is calculated by using the formula of 1/Rt = 1/R1 + 1/R2 +1/R3 +1/R4 + 1/R5. 1/8 is .125 and five times that is .625. So, the result is 1.6 ohms as seen by the amp. Maybe this amp has different specs than the majority of the ones I've seen but 2 ohms is usually the bottom limit. Based on this, running 5 speakers off of one bridged amp does not seem advisable. My apologies if I've misread or misinterpreted the specifics of the initial poster.Cheers...Shawn
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