Actual wattage


Bronze Member
Username: Dub_c

Post Number: 56
Registered: Mar-06
I was wondering, is there a tool out that that I can connect to my amp to see how many watts it is putting out?

Silver Member
Username: Johammbass

Cork, Cork Ireland

Post Number: 195
Registered: May-06
I am sure there is a way to calculate it by measuring Amps and Volts with a tester

Silver Member
Username: Sweatyogre

Erie, PA USA

Post Number: 109
Registered: Mar-06
Here's an equation from my college physics class.
P = IV

P is wattage, I is current, and V is voltage.

Gold Member
Username: Theelfkeeper

Stockbridge, GA USA

Post Number: 2258
Registered: Feb-05
what you calculate on paper will be different then what you'll actually get from the amp. paper calculations don't take into consideration a lot of different factors.

Gain Setting Voltage = Sqrt(Watts RMS*Load)

reverse that and i'd say thats about the best way. use a DMM to measuse the AC voltage at the output terminals when the speakers are unhooked and volume is 3/4 or where ever you usually listen. leave Watts out of the equation and solve for watts.
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