Posted by lwang (A) on February 11, 2005 at 23:10:53

In Reply to: Maggie owners ... define your "high current" amps!! posted by andyr on February 1, 2005 at 00:19:06:

All hooked up to one of its channel. That little amp is rated 80wpc, but when I had 3 maggies hooked up one channel and was pushing around 30 volts RMS through it, which makes it 675 watts (30^2/(4/3)) into 1.3333 ohms. I ran it straight for probably a few hours before bringing it down to 25 volts and let that cook for a week. All that heat raised the temperature in the room to a very uncomfortable level, but the amp's temp seem to have went up much less than the room's increase, measured at the inside of the heat sink (It runs boiling hot at idle already, giving its class-A design).

So at 675 watts, that would make it 22.5 amps RMS (30/1.3333), which would make it around 32 amps peak, 64 amps peak to peak, and if both channel are driven, 128 amps peak to peak.

30 volts might not be the max it could push, I think it was probably around 32 v RMS.

Anyway, some guy at Audioreview said he measured over 4000w of peak power into a 0.15 ohm load.