Meaning of "Thirty RMS Thirty" on face of Marantz receivers?

[thurber]

Anyone know what this means?

 

[wlhd1610]

30 watts RMS per channel

Bob

 

[willcee]

Here is def of rms. Root mean square.

 

[catrafter]

Not to quibble, but IMHO 'RMS Power' is a misnomer. You can calculate power using RMS voltage and load resistance, however.

http://www.n4lcd.com/RMS.pdf
http://www.hifi-writer.com/he/misc/rmspower.htm
http://www.eznec.com/Amateur/RMS_Power.pdf

Tom