Yamaha RX-V675 powering MA GX200 - AVS Forum
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Old 11-26-2014, 02:05 PM - Thread Starter
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Yamaha RX-V675 powering MA GX200

Hello all I am about to purchase a pair of monitor audio GX200 floorstanders and a GXC350 centre as an upgrade from MA radius 90 left and right channels and a Radius 200 Center.

My question is will my Yamaha RX-V675 be able to power the GX200s?

According to Yamaha the RX-V675 is capable of 90 watts RMS but MA say the GX 200s require an amplifier with 100 to 200 watts.

Now I read in another post that speaker sensitivity is crucial when pairing an amp to speakers.

The GX200s have a speaker sensitivity of 90db so am I right in saying that if one watt of power is applied to the speaker I will get 90db?

Then after that every watt will increase the decibels by three?

Or have I got my wires crossed?

Any help appreciated

Thanks Adam
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Old 11-26-2014, 09:56 PM
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At low levels, modest levels, and semi-loud levels, your Yamaha should have no problem at all powering the Monitor Audio speakers.

At ear-bleeding levels, or at loud levels in a very large room, it might struggle (ie, clip or go into auto-shutdown/self-protect mode due to thermal limiting).

Try it, and if it seems fine at the levels you like, it's good to go.

The Monitor Audio recommended 100-200 watts is kinda silly, by the way, unless they know just how loud you like to play them.

For every new thing I learn, I forget two things I used to know.
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Old 11-27-2014, 03:30 PM - Thread Starter
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Quote:
Originally Posted by beaveav View Post
At low levels, modest levels, and semi-loud levels, your Yamaha should have no problem at all powering the Monitor Audio speakers.

At ear-bleeding levels, or at loud levels in a very large room, it might struggle (ie, clip or go into auto-shutdown/self-protect mode due to thermal limiting).

Try it, and if it seems fine at the levels you like, it's good to go.

The Monitor Audio recommended 100-200 watts is kinda silly, by the way, unless they know just how loud you like to play them.
Thanks for your reply beaveav, in decibals what do you class as really loud?
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