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6 ohm speakers to 8 ohms receiver - Page 2

post #11 of 18
Quote:
Originally Posted by Barten View Post

The general idea is your pumping 8ohms of power into a 6ohm speaker only if your tuning the volume to 100%. Just never go past 70% volume and you should not harm the speakers at all

What?

Ohms aren't power, they're a measure of impedance. Wattage is a measurement of power.

6Ω is the impedance. The amp doesn't pick impedance, the speakers do. The lower the load, the harder the amp works (while producing more power), and the more heat it generates, and that's the OP's worry (rightfully so). Taking it easy on the volume isn't to protect the speakers, it's to protect the amp.
Edited by Wattser93 - 3/4/13 at 8:33pm
 
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post #12 of 18
Well, no, the amplifier will likely produce more power into a 6ohm load than it will into an 8 ohm load at the same volume level, because the current will be higher. Which could be cause for concern at higher volume level.

So, less ohms = more power in most cases, unless the amplifier output impedance is oddly high.

I have a hard time believing that any amplifier out there will have trouble at 6 ohms, honestly. I wouldn't worry about it.
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post #13 of 18
1. Don't worry about running 6ohm speakers on an amp designed for 8ohm. Electronic components nowadays are pretty robust and designed to operate within a margin of error. It's likely that you could even run 4ohm speakers, but I wouldn't recommend it.

2. Even if you were just using 8ohm speakers, your unit will need to breath. Make sure that wherever you place it has enough fresh air flow to keep it cool. Most units just use convection going in the bottom or sides and out the top, so keep that in mind. Running 6ohm speakers just means that you need to be more aware that the unit is properly cooled. Some amps run hotter than others.

3. For 99% of your listening, you'll be puting less than 1 watt into each speaker unless you always listen at reference or higher levels, which would probably make you go deaf after some years. That means you really needn't worry too much about over-taxing your amp unless you turn the volume way up. Generally, if you like to listen at reference volumes all the time, you should be looking at a much higher-end amp that would natively support 4ohm loads anyway. The speakers you listed (Pioneer SP-BS22-LR) say they are rated at 85dB @ 1 watt @ 1 meter. Obviously, sound is dynamic; so the actual power used when listening fluctuates, but 85dB is pretty loud.
post #14 of 18
Can I run Klipsch KG4s (6 ohm) with Proton D540 (8 ohm) amp??? Specifically.
Any special instructions on hooking them up?
I m fairly clueless... Thanks.
Edited by supportlivejazz - 8/9/13 at 8:07am
post #15 of 18
Go right on ahead. Hook it up the same way as 8 ohm speakers.
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post #16 of 18
Quote:
Originally Posted by kevmatic View Post

Go right on ahead. Hook it up the same way as 8 ohm speakers.
Thanks... one other question... there are no inputs designated for a CD player... Phono-Tuner-DAD-Video- two Tape inputs. Which is best for my Teac CD player? thanks again.
post #17 of 18
Any input but the Phono. All the other inputs are identical, just labelled differently in the selector on the front to help you keep them straight.
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post #18 of 18
Quote:
Originally Posted by kevmatic View Post

Any input but the Phono. All the other inputs are identical, just labelled differently in the selector on the front to help you keep them straight.
Thanks so much. Big help.
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