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Denon 2312 with 4ohm speakers

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Old 27th January 2012, 11:00 AM
 
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Smile Denon 2312 with 4ohm speakers


I have been a silent member and I recently happened to get my hands on a good deal for Denon 2312 receiver. I have a couple of speakers 2 fronts and a center which are of 4ohm nominal impedence(Krix Tryptix). I just wanted to know if anyone has a setup driving 4 ohm speakers with a Denon AVR. I know the best way is to have an amp drive these speakers. I don't intend to drive the AVR to its potential and I think it should be fine but just wanted some input from you guys.
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Old 27th January 2012, 11:16 AM
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Re: Denon 2312 with 4ohm speakers

I am using 4 ohms speakers with my denon 1612. It is advisable not to crank up the volume too high as it may damage the avr and speakers. I have limited the maximum volume to 71 and the normal volume to 50. I intend to upgrade the speakers ASAP, as sometimes the avr power button will flash red continuously on powering up which means lower impedence issue. I need to press the power button again to start the avr normally.
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Old 27th January 2012, 11:20 AM
 
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Re: Denon 2312 with 4ohm speakers

2312 is a fairly powerfull AVR. Should be able to drive 4 ohm bookshelf speakers to reasonable levels.
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Old 27th January 2012, 11:46 AM
 
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Re: Denon 2312 with 4ohm speakers

I have been reading some interesting stuffs here are they on this topic

Speakers Glossary

Peak SPL Calculator

it seems that nominal ohm (the impedence) of speaker for these kind of AVRs ( onkyo, denon and not the sony, samsung, lg etc) varies from 6 to 8, and if you look at specifications on AVR, it will give more power 'W' output with 6 ohm than 8, well that means if you are driving your beloved AVR for quite less ohm (4 ohm is this case which is almost half for their specification) the AVR will pump out very large current since there is very less resistance (ohm impedence) from speaker coils so there is a lot of chance you will make AVR hot and ever trip it, as observed by baiju above

it is also interesting to note whts db specification of these speakers, again it seems it will be quite less, which from the link I posted the AVR has to pump in a lot of Watt to drive them to get your desired output which is not good again.

we often think that if a AVR is having large Watt output it will be good but thats not, even the entry level AVRs denon 1312 or onkyo 3400 (disadvantage with 3400 is that it does not have subwoofer pre out due to which you wont be able to upgrade its sub) can drive towers preety good since many of the towers are 6ohm with around 110 db sensitivity which doesn't need a lot of power to get decent household sound volume
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Old 27th January 2012, 11:49 AM
 
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Re: Denon 2312 with 4ohm speakers

so again if you love your AVR and spent a lot of money then spend few more to get a suitable speakers to enjoy at most

I read in avsforum, the geeks there suggest you spend almost double the money for speakers than for AVR, an avegare AVR with gr8 speakers can blow you away but not the other way round
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Old 2nd February 2012, 12:19 AM
 
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Re: Denon 2312 with 4ohm speakers

You are correct saj, AVR will not burn with a 4 ohm speaker but it will go to protection mode when you increase the volume. I am also suggest you to buy a tower speaker of 6 or 8 ohm.
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Old 2nd February 2012, 07:29 AM
 
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Re: Denon 2312 with 4ohm speakers

I really love the speakers I have right now. so will try and get a amp to go with them. But until then I guess I shall just see what happens (Fingers crossed)
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Old 2nd February 2012, 08:16 AM
 
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Re: Denon 2312 with 4ohm speakers

Just get an active subwoofer and set the cross-over in the AVR for individual speakers at 80 to 100 Hz. That would transfer the low frequency (current guzzling) signal to the sub and relieve your AVR off the load ..... This solution is a lot cheaper and more effective .........
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Old 2nd February 2012, 12:36 PM
 
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Re: Denon 2312 with 4ohm speakers

just increasing the crossover freq wont help, its just redirects the low freq to sub, on a low OHM speakers the AVR will draw a lot of current anyways...

the thumb rule, if you are stuck with 4 OHM speakers then dont go loud or dont overload ur AVR to protect it
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Old 2nd February 2012, 12:51 PM
 
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Re: Denon 2312 with 4ohm speakers

Quote:
Originally Posted by saj2001ind View Post
just increasing the crossover freq wont help, its just redirects the low freq to sub, on a low OHM speakers the AVR will draw a lot of current anyways...

the thumb rule, if you are stuck with 4 OHM speakers then dont go loud or dont overload ur AVR to protect it
Theoritically YES ......... but, Practically NO.
OP has a 2312 .... a significantly powerful AVR. So, adding a sub here would make his system very safe as 'extra' current draw would be terminated.


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