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<blockquote data-quote="thylantyr" data-source="post: 2659723" data-attributes="member: 560358">If the thing can push 1000w @ 4ohms, why do they limit it to 1000w @ 1ohm? There are pros/cons to &#039;power regulating&#039; amplifiers vs. regular amp.Regular ampLets say you bought a 1000w @ 1 ohm amplifier and used your favorite 1 ohmwoofer. All is good, the woofer gets 1000w.Later you added another 1 ohm woofer and the only wiring option is 2 ohms.The amp will output 500w @ 2 ohms and each of your woofers gets 250w.Power regulating ampYou have 1000w @ 1 ohm, you add another 1 ohm woofer in series for 2 ohmsand you get 500w per woofer.On the other hand, you have a 1000w @ 4 ohm woofer. You upgradeand add another 4 ohm woofer in parallel. The regular amp has potentialto output 2000w @ 2 ohms, 1000w per woofer, whereas the power regulatingamp only outputs 1000w, 500w per woofer.</blockquote>

[QUOTE="thylantyr, post: 2659723, member: 560358"] [B]If the thing can push 1000w @ 4ohms, why do they limit it to 1000w @ 1ohm? [/B] There are pros/cons to 'power regulating' amplifiers vs. regular amp. [B]Regular amp[/B] Lets say you bought a 1000w @ 1 ohm amplifier and used your favorite 1 ohm woofer. All is good, the woofer gets 1000w. Later you added another 1 ohm woofer and the only wiring option is 2 ohms. The amp will output 500w @ 2 ohms and each of your woofers gets 250w. [B]Power regulating amp[/B] You have 1000w @ 1 ohm, you add another 1 ohm woofer in series for 2 ohms and you get 500w per woofer. On the other hand, you have a 1000w @ 4 ohm woofer. You upgrade and add another 4 ohm woofer in parallel. The regular amp has potential to output 2000w @ 2 ohms, 1000w per woofer, whereas the power regulating amp only outputs 1000w, 500w per woofer. [/QUOTE]

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