Best High Current amplifiers stable into low impedances

“Watt is the measure of power. Volt is the measure of electric potential. Ampere is the measure of current.”

The point is that current is the number of electrons available. Watts is a combined term.

Since output in amps is not generally stated. You get a rough guide by looking at the relationship between watts into different resistance. An amp has lots of current if the number of watts doubles 16 ohms -> 8 ohms -> 4 ohms -> 2 ohms -> 1 ohm. As resistance disappears the amount of current needed to maintain the flow requires a lot more current.

agree w @ghdprentice 

from a practical p-o-v for users sorting through amp choices, the best indicator is if the maker clearly states the amp is able to double wattage from 8 to 4 to 2 ohms... another indicator, less good than the first, is if the amp (at least traditional class a or ab ones) are big and heavy with substantial power transformers and heat sinks - delivering consistently high current flow into low impedance loads generates mucho heat

@jjss49 

Yes. Goes back to the seemingly silly assertion that the heavier the amp, the better it sounds (well actually all audiophile equipment). You need huge power supplies to   Supply current. 
 

After college I was an electrical / mechanical engineer for a while. I welded… low voltage and 5 amps. My first Threshold amp 3.5 amps. Then I got my second top of the line amp A Pass x350. The same amperage as a welder! That is power.

Accuphase A-75 - Class A amplifier.  It is stable down to 1 ohm.  See below:

You would better off if you get a class A amp, the class A/b amps don’t always have enough heat sinking to drive a 2ohm load at higher volumes for extended periods.