Onkyo 875
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Joined: Mar 2009
Posts: 31
enthusiast
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OP
enthusiast
Joined: Mar 2009
Posts: 31 |
Has anyone used the Onkyo 875 with their M80's? I know it has an impedance switch (current limiting) for 4 ohms but I would rather run it in 8 ohm mode to utilize full current. I can get one for a great price but I am concerned about it cutting out.
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Re: Onkyo 875
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Joined: Mar 2009
Posts: 31
enthusiast
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OP
enthusiast
Joined: Mar 2009
Posts: 31 |
Sound and vision did a bench test with this unit and found that it produced 320 watts per channel into a 4 ohm load with the impedance switch set to 6 ohms, not 8 or 4. With the switch set to 4 ohms the receiver only put out 55 watts, hence the reason why I would not want to buy this receiver if it had to run in this mode. http://www.soundandvisionmag.com/receivers/2463/test-bench-onkyo-tx-sr875-av-receiver.html
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Re: Onkyo 875
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Joined: May 2003
Posts: 18,044
shareholder in the making
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shareholder in the making
Joined: May 2003
Posts: 18,044 |
I don't think we've heard of anyone having problems with M80s and an 875, but I'm not sur we've heard of anyone using one, either. I'd definitely leave it in 8 ohm mode (whatever standard operating mode is) to prevent that sort of current limiting.
I am the Doctor, and THIS... is my SPOON!
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Re: Onkyo 875
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Joined: May 2002
Posts: 10,654
shareholder in the making
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shareholder in the making
Joined: May 2002
Posts: 10,654 |
But you don't have to run it in that mode, so don't worry about it.
-----------------------------------
Enjoy the music, not the equipment.
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Re: Onkyo 875
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Joined: Mar 2009
Posts: 31
enthusiast
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OP
enthusiast
Joined: Mar 2009
Posts: 31 |
No I don't have to run it in 4 ohm mode, but will it cut out or overheat if I run it in 6 ohm or 8 ohm mode?
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Re: Onkyo 875
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Joined: May 2002
Posts: 10,654
shareholder in the making
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shareholder in the making
Joined: May 2002
Posts: 10,654 |
Not unless you'd like to play it loud enough and long enough to permanently damage your hearing.
-----------------------------------
Enjoy the music, not the equipment.
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Re: Onkyo 875
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Joined: Mar 2009
Posts: 31
enthusiast
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OP
enthusiast
Joined: Mar 2009
Posts: 31 |
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Re: Onkyo 875
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Joined: Jan 2004
Posts: 13,843 Likes: 13
shareholder in the making
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shareholder in the making
Joined: Jan 2004
Posts: 13,843 Likes: 13 |
leave the switch on 8 ohm.
M80s VP180 4xM22ow 4xM3ic EP600 2xEP350 AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85
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Re: Onkyo 875
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Joined: Dec 2008
Posts: 1,361
connoisseur
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connoisseur
Joined: Dec 2008
Posts: 1,361 |
Someone had the 875 around here, because we were comparing it to the 806. As I recall they were really happy with it (and the specs seem to support that impression) but I don't recall the speaker - but odds are it was the M80. Search the forum for 875 and you should find some comments that ease your concern. I was looking at the 806 and 875 and came away satisfied the 875 would handle my PSB's which, like the M80, run down to 4 ohms sometimes.
Hope that helps.
Panny 3000 PJ, 118" Carada, Denon 3300, PS3, Axiom QS8, PSB 5T, B&W sub, levitating speaker wire
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Re: Onkyo 875
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Joined: Feb 2009
Posts: 44
buff
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buff
Joined: Feb 2009
Posts: 44 |
Has anyone used the Onkyo 875 with their M80's? I know it has an impedance switch (current limiting) for 4 ohms but I would rather run it in 8 ohm mode to utilize full current. I can get one for a great price but I am concerned about it cutting out. I had the 875 for 1.5 years with M80s and never once had any issue whatsoever with driving a 4 ohms. I now have the 876 and it continues to work flawlessly. I have a 7.1 system. There is no way that I can set the volume to the max without killing my ears (I have a rather small room though: 20'x15').
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