Which one will be loudest? - AVS Forum
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post #1 of 4 Old 04-23-2013, 01:21 AM - Thread Starter
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I have rx V 671..90 watt at 8 ohm..for my front I have 2 speakers in mind..polk RTiA5 and tsi 300..

1)RTiA5 is 250watt..
2)tsi300 is 150 watt...

but because 671 is 90 watt..max power those floor standing speakers can go is 90watt...
is I go upto 90watt...which of the speakers will be loudest??or because input power is same(90 watt)..max volume will be same in both speakers??

should I go for rti A5?for mid size room..will rti A5 driven by 90watt rx v 671..is enough?
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post #2 of 4 Old 04-23-2013, 01:39 AM
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Your looking at the wrong spec on the speaker in regards to "loudness". The recommended watts rating manufactures put on the speaker spec sheets just give an indication of the range of power the end user should provide to achieve reasonable performance and is listed as a range such as 20w - 150w, in this case meaning the provided amplification should fall somewhere in the range of 20 watts to 150 watts to properly power the speakers under normal circumstances.

The spec you should be looking at is speaker efficiency. Any 90db/w speakers for example will be equally loud (in a perfect world wink.gif) as any other 90db/w at the same volume level on the receiver or pre-amp.

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post #3 of 4 Old 04-23-2013, 03:46 AM - Thread Starter
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so..for a 250watt speaker rti A5..rxv 671 good enough?my room size is 14*16
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post #4 of 4 Old 04-23-2013, 06:18 AM
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The 250 watts is the maximum power that can be applied without blowing it up.

It's like the 130 MPH rating on a tire; you should normally never get close to it.

Your question doesn't make much sense.

You need to look at the speaker SENSITIVITY rating, in db per watt, to find out how much sound 90 watts will give you.

But yes, the 671 has plenty of power for the room unless your speaker sensitivity is super-low (not likely).
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