The goal is to present a load that the amplifier can handle without strain. There are two fundamental methods: series and parallel wiring.
4 Ohm Sub to 2 Ohm Amp Series Wiring
For example, two identical 4 ohm subs wired in series present an 8 ohm load to the amplifier. Consequently, the amplifier will produce less power than its maximum rated capacity for the lower impedance load, which is often a safer scenario regarding thermal management.
The amplifier, conversely, must be capable of delivering sufficient current to overcome this resistance while maintaining stable voltage levels to prevent clipping and distortion. If an amplifier is pushed beyond its current limit, the power supply rails can sag, causing the protection circuits to engage and shut down the unit.
4 Ohm Sub to 2 Ohm Amp Series Wiring
Two identical 4 ohm subs wired in parallel present a 2 ohm load to the amplifier. Parallel Wiring: This method connects all positive terminals together and all negative terminals together.
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