My dad recently purchased a Denon AVR-1905 to run the sound in our family room, kitchen and deck. Six of the speakers (Front, Surround, and kitchen) are Definitive Ultimate In-Walls. The two speakers on the deck are Klipsch outdoor all weather speakers (don't have access to exact model numbers right now). The setup is 2 in-walls connected to Front Channel A, 2 in-walls connected to Surround, a Niles SS-4 speaker selector connected to Zone2/Surround Back (configured as zone 2), and the Klipsch pair and the other 2 in-walls are connected to the speaker selector. The sakesman at Ultimate Electronics told my Dad that this would work. Being the tech savy member of the family it is my job now to find out why it doesn't. When the Zone 2 volume is turned up to around -20db, even with the main speakers off, the reciever shuts itself off. If the speaker selector is connected to Font Channel A instead of the in-walls it can go much higher. Anyone have any ideas or suggestions before my Dad goes and talks to the guys at Ultimate??
Audio reciever problem
- Thread starter Vikesrock
- Start date
Hey just a thought here.
Is the unit hot to the touch on top??? Is it getting proper ventilation to it???
To me it sounds like when it's being pushed hard it overheats and shuts off to prevent damage to itself.
Is the unit hot to the touch on top??? Is it getting proper ventilation to it???
To me it sounds like when it's being pushed hard it overheats and shuts off to prevent damage to itself.
The unit is barely warm to the touch when it shuts off. Also the main speakers can be turned up a lot louder (havenb't tried past 0db), but even with the main speakers off the zone 2 won't budge past -20db.
The Boston Dangler
Lifer
- Mar 10, 2005
- 14,647
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YOyoYOhowsDAjello
Moderator<br>A/V & Home Theater<br>Elite member
- Aug 6, 2001
- 31,205
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Right.
Do you know if the rear speakers have an ohm rating that's alright for your receiver?
Maybe there's a short in your wire somewhere too.
Any way of trying to connect the ones that are having a problem with different wire?
Impedence *should* be taken care of by the speaker selector. The biggest thing that makes me think the reciever is bad is that when the speaker selecetor with deck and kitchen speakers is switched from the Zone2 outputs to the Front or Surround Outputs they work fine and can go to 0db and beyond.
Sounds like the unit has an issue, yes.
Looked at the docs at Denon.com and zone 2 should have the same capability as the other amps, so if you try the same exact wiring and selector setup on the front channels and it doesn't work then I'd say the zone 2 amps have a problem.
Are the in-wall speakers lower impedence or something. Seems likely that the reason one pair would work and another not would be that the pair that works is 8 ohm while the pair that doesn't is 6.
Looked at the docs at Denon.com and zone 2 should have the same capability as the other amps, so if you try the same exact wiring and selector setup on the front channels and it doesn't work then I'd say the zone 2 amps have a problem.
Are the in-wall speakers lower impedence or something. Seems likely that the reason one pair would work and another not would be that the pair that works is 8 ohm while the pair that doesn't is 6.
I don't think the unit is bad, I think you are using it incorrectly. Either there is a short in the wire...common problem. Or your setup is causing 4 ohm or so loads to be put on a amp not meant to drive that. I am guessing the latter although your explanation confuses me. It seems as if you are running two speakers in parallel out of each output. Assuming these are 8 ohm nominal speakers you are putting a 4 ohm load on your speaker. Basically causing you receiver to do double the work it normally has to do. Many receivers cannot handle this. Try the setup with some speakers attached to the outputs in question...if it works fine...its definitely not the receiver.
Wires are not shorted as the setup attached to "zone 2" works fine when attatched to "front". The speaker selector claims to deal with the impedence issues. 1 pair of speakers wwent slightly higher on those outputs, but still not nearly as high as they did on the front channel and the amps are supposedly the same.
The Boston Dangler
Lifer
- Mar 10, 2005
- 14,647
- 2
- 0
I think this is an impendance problem. Does the Denon have a switch at the back that allows it to switch between 4 and 8 ohm speakers?
Assuming that it is set up correctly: Big assumption
If it shuts off during bass intensive music/movie scenes, it is because the bass requires more power from your avr to reproduce. In addition to that your speakers in the second zone are probably not capable of producing the lower frequency?s that are being sent to it. If your speakers in zone 2 do not have a low pass filter built into them, or if your volume control does not this will cause feedback coming back to the amp and thus shutting it down. Make sure your crossover is set to 80 Hz.
To help narrow down the problem you should disconnect the zone two speakers, set ALL of your speakers to small in the system set up menu, blast a movie with a lot of bass, and see if your system shuts down under these conditions. If it does and it is set up correctly, it is probably just because you have week amps in the denon, which is normal for entry level avr?s.
If you can listen at moderately loud levels, with good bass scenes-think the opening battle scene of Master and Commander, then your avr is fine.
Second, Now just set up the zone two directly to the speakers. If I read you correctly you have two separate areas that have speakers, kitchen and deck, and these have nothing to do with your 5.1 system. Do you have a 5.1 system for ht or jus 4 channels? If you do not have a sub make sure to indicate that in your system set up and MAKE ALL SPEAKERS SMALL!
Now set up each zone one at a time directly to the avr, play music ONLY IN STEREO, and see if it shuts down. Do this to the other zone to see if it shuts down there. If it shuts down in either system, and you set up your avr correctly you have a wiring problem. Now connect one set up speakers to the speaker selector and hook the selector up to the avr, and test one room at a time to see if anything shuts down here. If it shuts down now, you have something wired wrong at the speaker selector box.
99% of the time, you did not set your speakers to small, with the appropriate sub yes/no setting, so your amp being asked to send too large or powerful of a signal than it is capable of. You should add a powered sub if you do not have one.
Good luck
If it shuts off during bass intensive music/movie scenes, it is because the bass requires more power from your avr to reproduce. In addition to that your speakers in the second zone are probably not capable of producing the lower frequency?s that are being sent to it. If your speakers in zone 2 do not have a low pass filter built into them, or if your volume control does not this will cause feedback coming back to the amp and thus shutting it down. Make sure your crossover is set to 80 Hz.
To help narrow down the problem you should disconnect the zone two speakers, set ALL of your speakers to small in the system set up menu, blast a movie with a lot of bass, and see if your system shuts down under these conditions. If it does and it is set up correctly, it is probably just because you have week amps in the denon, which is normal for entry level avr?s.
If you can listen at moderately loud levels, with good bass scenes-think the opening battle scene of Master and Commander, then your avr is fine.
Second, Now just set up the zone two directly to the speakers. If I read you correctly you have two separate areas that have speakers, kitchen and deck, and these have nothing to do with your 5.1 system. Do you have a 5.1 system for ht or jus 4 channels? If you do not have a sub make sure to indicate that in your system set up and MAKE ALL SPEAKERS SMALL!
Now set up each zone one at a time directly to the avr, play music ONLY IN STEREO, and see if it shuts down. Do this to the other zone to see if it shuts down there. If it shuts down in either system, and you set up your avr correctly you have a wiring problem. Now connect one set up speakers to the speaker selector and hook the selector up to the avr, and test one room at a time to see if anything shuts down here. If it shuts down now, you have something wired wrong at the speaker selector box.
99% of the time, you did not set your speakers to small, with the appropriate sub yes/no setting, so your amp being asked to send too large or powerful of a signal than it is capable of. You should add a powered sub if you do not have one.
Good luck
The ohm rating of your speakers is not the problem, no speaker runs at the ohm rating the entire time it is producing sound, it can varry depending on the signal being sent to it.
If you were running large, hard to push speakers, that would be different, that is not your problem. You speaker are easy to push. Klipsch get loud fast.
Normally when you have a wiring problem the amp shuts down when you change the load/volume. That is not your problem, if your saying it shuts down when its pushed hard, then it is usually what I said in my first post.
If you were running large, hard to push speakers, that would be different, that is not your problem. You speaker are easy to push. Klipsch get loud fast.
Normally when you have a wiring problem the amp shuts down when you change the load/volume. That is not your problem, if your saying it shuts down when its pushed hard, then it is usually what I said in my first post.
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