wiring dvc sub

dp85iroc wrote: it should be more effiecent at a lower ohm but thats only if its stable...mine is lol

Wrong answer. Loading an amplifier to lower impedances REDUCES the efficiency of an amplifier - meaning there is a greater percentage of wasted heat. It also lowers damping factor, increases distortion, and reduces the lifespan of the amplifier.It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

what i ment tho was it will put out more wattage....

haemphyst wrote: dp85iroc wrote: it should be more effiecent at a lower ohm but thats only if its stable...mine is lol Wrong answer. Loading an amplifier to lower impedances REDUCES the efficiency of an amplifier - meaning there is a greater percentage of wasted heat. It also lowers damping factor, increases distortion, and reduces the lifespan of the amplifier.

How would this apply to an amp say 2000x1@1ohm, 1600x1@2ohm, 1000x1@4ohm? Even though this amp is stable at 1ohm it would be more efficient at 4ohm?

One more ? If the amp says will do 1000watts @1-4ohms would it be better to run it at 1 or 4? even though it produces the same output would that still apply here.

If the trunk dont rattle then its not loud.

If it's to loud then you're to old.

skip the first question already answeredIf the trunk dont rattle then its not loud.

If it's to loud then you're to old.

hmm, i really dont know the right answer to that question but if i had the option, i would run it at as high of an ohm load as possible to get the same power. or maybe right in the middle.

If it's the same power, I'd opt for a higher impedance, this better efficiency, less wasted heat, lower distortion...It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

stevdart wrote: If the amp is stating a certain power output into a range of loads, like 1 -4 ohms, and voltage remains a constant with all variables, then the amplifier itself is making an adjustment to the impedance it sees.  In order to maintain 1,000 watts output into any variable of load from 1 to 4 ohms, the amp is adjusting the load to the highest impedance...which is specified as 4 ohms. So it doesn't matter if your woofers are wired to 1 or 1.67 or 3 ohms, the amplifier is working with a 4 ohm load.  Thus, there can be no difference in the quality of output when using such an amp. Ohm's Law doesn't allow anything other.

Huh? If an amplifier makes the same power into a range of impedances, it does so by adjusting the output voltage... It DOESN'T remain constant... It CAN'T remain constant. This, coincidentally, adjusts the output current. The back EMF produced by the drivers still sees the very same output impedance presented by the output devices inside the amplifier, and while the back EMF at a lower impedance DOESN'T adjust to remain the same as it does at a higher impedance, the damping improves STILL, with a higher impedance. That's point one. The reduction in current in direct relation to the reduction in voltage across the devices, equates to a lower loss factor, i.e. better efficiency. Can't argue with that, either... Point two. The reduction of voltage, and the corresponding reduction in current allows the devices within the amplifier to run in a more linear mode, improving transfer function, reducing the output distortion of the amplifier. Point three. Just because an amplifier is rated for the same power into a range of impedances, it DOESN'T mean it sees one load, no matter what load is attached to the output terminals. All it means is that the power supply is "smart", and makes the same amount of power no matter the load.It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."