Yamaha 6Ohm setting - safer?

[Djizasse]

Hi,

my Yamaha RX-V861 has a 6 Ohm setting. From what I've read (and I could be wrong) this 6 Ohm setting works as a limiter.
Does this mean that it'll be clipping proof?

With music I only go to -20, sometimes +0 (short periods of time).
With movies, I've put the max at +5 and that is only for short periods of time, full movies will be around +0

The speakers are a pair of Monitor Audio RS6 and I'll buy the center (LCR) and rears (RS1). I will also get a sub.

Do I need more amplification or am I safe?

 

[captiankirk28]

Hi, it is not clipping proof, if you were having problems with clipping you will still have problems.

 

[Rickster71]

The best indicator for us average users, is heat; if your Yamaha isn't getting too hot don't worry.

I would always leave that switch set to 8-ohms.

It really depends on how hard you want to push the speakers.
Their Sensitivity is 91dB and Nominal impedance: 6 ohms.
That's a pretty efficient speaker.
If it were me, I'd leave the setting at 8-ohms.
If it gets too hot, (I doubt it will) lower the volume,or add a fan.
The volume control is your limiter.

 

[Djizasse]

Thanks

It's not clipping and it's not hot. I'll put it at 8Ohm and keep an eye on the temps.

 

[PENG]

Thanks

It's not clipping and it's not hot. I'll put it at 8Ohm and keep an eye on the temps.

That would be a wise move. The 861 would likely clip more often if the 6 ohm position is selected.

 

[Shock]

Never use anything other than the 8 ohm setting regardless of speaker resistance.

 

[Nomo]

Hi,

my Yamaha RX-V861 has a 6 Ohm setting. From what I've read (and I could be wrong) this 6 Ohm setting works as a limiter.
Does this mean that it'll be clipping proof?

With music I only go to -20, sometimes +0 (short periods of time).
With movies, I've put the max at +5 and that is only for short periods of time, full movies will be around +0

The speakers are a pair of Monitor Audio RS6 and I'll buy the center (LCR) and rears (RS1). I will also get a sub.

Do I need more amplification or am I safe?

+5? That's friggin' loud, at least it should be.
I have the volume limiter on my 1800 set to zero. I've taken it up that high a couple of times, when no one else is in the house (or neighborhood).
Did I mention that's loud?
You may be a candidate for an external amp.

 

[Djizasse]

+5? That's friggin' loud, at least it should be.
I have the volume limiter on my 1800 set to zero. I've taken it up that high a couple of times, when no one else is in the house (or neighborhood).
Did I mention that's loud?
You may be a candidate for an external amp.

+5 is with my HD-DVD player, which seems to lower the volume someway. And this is just for a few seconds of "Wow this is loud"
Actually I did not like the sound so much at +5, the low frequencies got boomy. I don't know if it's due to the RS6s, the 681 or both, but I'll experiment with a Behringer EP2500.

That would be a wise move. The 861 would likely clip more often if the 6 ohm position is selected.

Oh! Now I think I understand what the 6 Ohm setting is for. It's just a "thermal control", to keep the amp from getting too hot. The amp limits the power available and it runs cooler.

I've already select the 8 Ohm setting. If it didn't clip at +5@6 Ohms, it means it has more power on reserve at +5@8 Ohms.

 

[PENG]

Oh! Now I think I understand what the 6 Ohm setting is for. It's just a "thermal control", to keep the amp from getting too hot. The amp limits the power available and it runs cooler.

I've already select the 8 Ohm setting. If it didn't clip at +5@6 Ohms, it means it has more power on reserve at +5@8 Ohms.

It limits the voltage thereby limits the current. You are right, if you have not experienced clipping at the 6 ohm position so far then you should have more power on reserve when 8 ohm is selected. However, this is only true from the power supply stand point and it does not mean your amp can handle the power demand by your speakers (the two 6" drivers) if their impedances dip too low, say to below 4 ohms. It is just that limiting the voltage/current could make a bad situation worse. So you do (still) have to be careful and not stay at +5 for too long. If and when you have a powered subwoofer and you crossover at 80 Hz then it helps again because your receiver would not have to pump as much currents through to the RS6's mid and bass drivers.

 

[Lordoftherings]

8ohms is safer.

 

[santeini]

It will not be clipping proof.As long as you don,t hear any distortion,the level you are listening to is ok.