The reason that most amps aren't rated at 4 Ohms when bridged is that bridging effectively drops the load in half. In other words, the "300 watts bridged into 8 Ohms" is twice the "150 watts into 4 Ohms" rating, because both channels are driving half of one 8 Ohm speaker. Putting a 4 Ohm load across a bridged amp makes each channel think it is actually driving 2 Ohms. The amp isn't rated for it, and will likely get very hot if you drive it at high levels (which is usually the justification for bridging in the first place).
Will the 4 ohm double if I bridge my Mcintosh???
Hi (Aball) All,
I recently aquired a nice Mc7100 via "The Gon". That I really adore. Thing is it didn't come with a manual. I know from internet searches that it's rated: 100watts X 2 8ohms/ 150watts X 2 4ohms & 300 watts mono at 8ohms(no 4ohm listing when bridged to be found). I also know that I could probably purchase a manual from www.audioclassics.com
But, thought I should try here first.
Will the 4ohm also double if bridged???
Reason for asking is I plan on getting new speakers in the near future and may grab another 7100 (dual mono's) should I decied to go with some power hungry monsters like Dynaudio's, Martin Logan's, and Maggies just to name a few.
Thanks for your time,
I recently aquired a nice Mc7100 via "The Gon". That I really adore. Thing is it didn't come with a manual. I know from internet searches that it's rated: 100watts X 2 8ohms/ 150watts X 2 4ohms & 300 watts mono at 8ohms(no 4ohm listing when bridged to be found). I also know that I could probably purchase a manual from www.audioclassics.com
But, thought I should try here first.
Will the 4ohm also double if bridged???
Reason for asking is I plan on getting new speakers in the near future and may grab another 7100 (dual mono's) should I decied to go with some power hungry monsters like Dynaudio's, Martin Logan's, and Maggies just to name a few.
Thanks for your time,