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Hello, recently I have been thinking about upgrading my 5.1 surround system to these speakers: Aperion Intimus 5B Harmony SD

My current receiver is Denon AVR 1613

I was wondering if my current receiver would be powerful enough for these speakers, any help is much appreciated!

Finally, I have a few other questions:

I have 14 AWG wire ran through my room currently, the longest length is around 30 feet. Is that AWG sufficient for these speakers?

Lastly, would you recommend wall mounting these speakers with bookshelf mounts (may be necessary for my room)

Thanks!
 

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Your AVR should be able to drive these 6 Ohm speakers well, but at 75 watts/channel don't expect near reference levels. For wiring gauge vs length, check the following table: http://www.roger-russell.com/wire/wire.htm#wiretable As you can see, 14 AWG should be just fine. I cannot get information on the bookshelf speakers from the Aperion website, so you might want to contact them about the details when using wall mount brackets.
 

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Your AVR should be able to drive these 6 Ohm speakers well, but at 75 watts/channel don't expect near reference levels. For wiring gauge vs length, check the following table: As you can see, 14 AWG should be just fine. I cannot get information on the bookshelf speakers from the Aperion website, so you might want to contact them about the details when using wall mount brackets.
Thank you for the helpful response! I appreciate the info. On Aperion's website they say the recommended power for the FL, FR, SL, SR speakers is 25-200 watts, for the center speaker they say they recommend 50-150 watts. How powerful of a receiver would you say I need to get basically the most from these speakers? Like about how many watts per channel would you recommend. Thanks again!
 

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Thank you for the helpful response! I appreciate the info. On Aperion's website they say the recommended power for the FL, FR, SL, SR speakers is 25-200 watts, for the center speaker they say they recommend 50-150 watts. How powerful of a receiver would you say I need to get basically the most from these speakers? Like about how many watts per channel would you recommend. Thanks again!
I wouldn't worry about your AVR until you hook everything up and hear how everything sounds. I consider low 80 dB peaks to be loud, and mid 80 dB peaks to be very loud. I rarely have my system go past the upper 80 dB level for peaks. Your current AVR should handle those levels. Your speakers indicate a sensitivity rating of 87 dBs at 1 watt/1 meter distance. Reference level peaks are those that can hit 105 dB peaks, and I simply don't go there. If you do, then yes, a more powerful AVR may be needed. Just remember, it takes double the power just to receive a 3 dB output gain.
 

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On Aperion's website they say the recommended power for the FL, FR, SL, SR speakers is 25-200 watts, for the center speaker they say they recommend 50-150 watts. How powerful of a receiver would you say I need to get basically the most from these speakers? Like about how many watts per channel would you recommend. Thanks again!
A receiver rated to handle 50+ watts per channel

The 150 and 200 watts per speaker, is short term peak power for them
 
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