OT - powering outdoor speakers

By SealClubber

6 years ago

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4 posts
2 Pinsiders participating
Latest reply 6 years ago by bobukcat
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#1 6 years ago

DEL

I have a question for those of you home stereo knowledge.
I want to mount waterproof outdoor speakers for my backyard and patio. Because of the size of the yard, I want to run two sets of identical speakers at the same time.

Specs here:
Power Range (watts) 10-200
Sensitivity 92 dB
Impedance (ohms) 8
Frequency Response 40-30k Hz

It has been decades since I was into this stuff and don't remember the details.
What specifically do I need to look for on the back/spec sheet of a receiver/amp to sufficiently power these at the same time?
I think I need: A+B: 8 Ohms min at speaker, 100RMS per channel @ 8 Ohms, etc...
Thanks,
Dan

#2 6 years ago

BOB

bobukcat

Pinside member

9y 99,550 5,463

That's about right, you'll need to make sure that your receiver / AVR / Amp has two discrete amps, one for each set of speakers (A+B), depending on how much you want to rock-out you may want more than 100 Watts RMS though, 150 would still be safe and give you a little more oomph. The other thing to look out for is what source(s) you are going to want to run to the speakers, a lot of AVRs will only do digital (HDMI, Optical, etc.) to one out of the two zones, or two out of the three. So if you want to run an HDMI source to both sets of speakers make sure your Receiver / AMP / AVR will do so.

#3 6 years ago

DEL

SealClubber

Pinside Moderator

14y 127K 11,060 246

Thank you. I think 100w will do since I have neighbors on all sides. Keeping it simple Mainly want radio playing with ipod on the line in. I don't want to spend $500 on a receiver so am looking on clist for a used one. But I need to ensure it can power four 8 ohm speakers. Trying to remember how to read the specs.

#4 6 years ago

BOB

bobukcat

Pinside member

9y 99,550 5,463

8 ohm speakers are very common so I wouldn't worry about that as long as it has four channels and not just two and that they can be run concurrently (A+B rather than A or B).

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