Two DVC drivers with Voice Coils in Parallel / Parallel Two Dual Voice Coil Speakers in Series / ParallelĬonnecting the two voice coils of each driver in series (+ to -) and the drivers themselves in parallel (+ to +, etc.) will result in the following impedances: Two DVC drivers with Voice Coils in Series / Parallel One DVC driver with Voice Coils in ParallelĬonnecting the two voice coils of the driver in parallel (+ to +, - to -) will result in the following impedances: Note: Amplifier depicted is for reference only - check the capability of your amplifier before making any connections One DVC driver with Voice Coils in SeriesĬonnecting the two voice coils of the driver in series (+ to -) will result in the following impedances: You will more than likely find that the results will be less than optimal. For more information, please consult our Dual Voice Coil FAQs.Īdditionally, if you have an idea for a wiring configuration and you do not see it here, chances are you should re-think its implementation (in other words, don’t do it). This does not include series connections made between voice coils on the same driver. Please note that when wiring multiple drivers it is recommended that series connections between drivers be avoided at all costs. Fear not, though, for we have compiled wiring diagrams of several configurations for dual voice coil (DVC) drivers. That will sound awesome.With multi-driver sub systems, which often feature dual voice coils (DVC) on each driver, the level of wiring complexity can be enough to turn-off even the most adventurous of car audio do-it-yourselfers. If you have differing impedances, use separate heads for each cab and simply set them to their respective cab’s impedance. If you were to connect a 16-ohm cab and an 8-ohm cab to a head, then you would have a 5 1/3 repeating-ohm total load, but the 8-ohm cab will get twice the power of the 16-ohm cab, which doesn’t sound awesome. You never want to connect cabinets of different impedances because an amp does weird stuff when it sees a mismatch. In that case, just set your head to 4 ohms. You could also use two 8-ohm cabinets for a 4-ohm total load. So, for example, if you have two 16-ohm cabs for an 8-ohm total, then set your amp to 8 ohms. This is still series-parallel wiring, so following this diagram will still work.Īlways be sure your amp head is set to the total load. Note: Some 4x12s have an 8-ohm rating and contain a quartet of 8-ohm speakers. I should mention that, for some reason, many venues aren’t happy when you show up with a full stack. Most amplifiers on the planet can run an 8-ohm load, so this is desirable. A 4x12 cab is typically 16 ohms, so when you connect two of them together in parallel, the total load becomes 8 ohms. The 4x12 cabinet is sometimes referred to as a half-stack, and players routinely connect two of them to a single amp to create a full stack. Red is positive (+) and black is negative (-).įig. 1 shows how to connect four 16-ohm speakers in a series-parallel configuration. The conventional wiring is called series-parallel, and the speakers themselves are each 16 ohms. I am here to offer my guidance, grasshopper.Ī typical 4x12 cabinet is rated at 16 ohms. Maybe you need some help with wiring said cabs. Maybe you want to build a wall of cabs yourself and take the upgrade route like I did. I came to that outrageous number of 4x12 cabs because I bought them used or empty, and then filled them with my own speakers and wiring. That said, I became so infatuated with how nicely the standard-sized 30"x30" boxes stack together to build a wall, I grabbed anything I could get my hands on. (I’m currently down to just two.) As Steven Fryette pointed out in his recent Speaker Geeks article, the size and shape of the cabinet has a great effect on a speaker’s performance. My answer is always a very confident “yes,” usually followed by some quip about how I actually need more. It’s awesome! Once you start playing through multiple cabs, odds are good someone will ask you if you need “all that equipment,” smiling smugly like it was the first time you’d ever heard that before. Perhaps you’ve had the opportunity to play through three 100-watt amps driving three 4x12s at the same time. If you’re like me, chances are you’ve had the opportunity to play through a 100-watt tube amp and a 4x12 cabinet.
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