Question about Denon AVR-2805 Receiver

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Denon 2805 Zone 2 sound through main speakers

I just recently had the zone 2 speaker outputs connected to speakers on another floor in my house. For the first couple of days, I was able to play zone 2 with the tuner as input source and have the main amp on dbs source, for example, without any issues--in other words, I could only hear the tuner through zone 2 and could only hear the sound from the dbs through the main speakers.

Then yesterday, suddenly the sound from zone 2 started coming through the main left and right speakers as well as the zone 2 speakers. I spent quite a few hours going through the setup with the manual in hand and wasn't able to resolve the issue. I did notice that if I had both zone 2 and main input sources as tuner, that when I would power zone 2 on, the sound through the main speakers would get much louder and if I turned zone 2 off, the sound would be reduced.

I can't figure out why turning on zone 2 is now sending sound through to the main left and right channels.

Any thoughts?

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6 Suggested Answers

tech48
  • 624 Answers

SOURCE: Denon AVR-1907 blinking red power button

It sounds like you have a bad speaker on the zone 2, or you have the speakers connected improperly.

When you engage the zone 2 a relay clicks and the speakers then become part of the amplifiers circuit.

If the problem was in the amplifier, it would go into protect mode without even having speakers connected to it.

If the speakers all check good, you most likely have the wrong type of speakers, meaning the impeadance is too low, or you have too many speakers connected to it.

On the back of the Denon, you will see right around the speaker output jacks, what ratings the speakers should be. If I remember correctly, it says 6 ohms or more when using only "A" or "B", and it says 12ohms or more for "A" + "B".

If you have two 8 ohm speakers on the same speaker jack you now have a 4 ohm load. That is below the ratings and can cause the amp to shut down (go into protect). Since your amp shuts down right away, I think you have a bad speaker or way too many speakers connected.

I have seen many times when people will connect 2 or 4 speakers to the one of the outputs that are designed for only 1 speakers.

If you are using too many speakers you will need a speaker distribution box. It has a resistor network built into it so the amp never sees a lower impeadance than what it is designed for.
You can connect 4, 6 or 8 speakers to one set of outputs designed for 2 speakers. You do loose a lot of power to the speakers, but it is better than blowing up your amplifier.

If I can be of any further help, let me know.

Posted on Jun 22, 2008

  • 1 Answer

SOURCE: Zone 2 speakers will play from tuner but not from cd player

I have the denon as well two zones. 5 speakers inside and 2 speakers outside- can you play both zones at once? meaning can i watch tv in the 5 zone area inside. And play my IPOD in the outside speakers at the same time? PLEASE HELP! thx

Posted on Aug 06, 2008

  • 1 Answer

SOURCE: Denon AVR-2105

If the Cd is wired digitally, it will only play through the main zone, because the Denon cannot convert down to RCA to cater for the zone 2. If you plug RCAs from Cd to Denon, Main zone will STILL play from digital, and RCA connection will allow zone 2 to play Cd from RCA input....same with dvd, Satellite Blah blah... no stress, any nasty RCA will do if you want to try before you splash out on really costly cables...perhaps you can help me...want to run AVR 2105 with 2 speakers in zone 2, manual says cant do it - only ably to surround back or biamp...dont want either, dont have stereo yet to try it out...did you have any trouble with that?

Posted on Dec 03, 2008

  • 3 Answers

SOURCE: Denon AVR-3805 zone 2 no longer working

time to reset the microprocessor. See page 87 in manual.
1) switch off the unit using the main unit's power operation (small power button)
2) hold the PURE DIRECT button and DIRECT button at same time and turn the main unit's power operation on.
3) wait for entire display to flash in 1 second intervals

now the speakers need to be set up again but zone 2 will be working. i suspect a power surge causes the microprocesser to be corrupted. i put a power surge protector and have not had problems (lately).

Posted on Jan 01, 2009

  • 33 Answers

SOURCE: Denon AVR-2803 Zone 2 sound source

You have to switch your remote into Zone 2 Mode. It will be an option on your remote. Once you put it in that mode, you can change the source just as you would Zone one.

Posted on Jan 25, 2009

  • 119 Answers

SOURCE: Denon AVR 1609 Receiver Zone 2 has no sound

you have to change the power amp assignment to zone 2, you must also have Analog audio connections to the Denon from your devices.
Try this put your remote in the zone 2 mode, select tuner in zone 2 and turn zone 2 volume up to -10

Posted on Mar 03, 2009

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time to reset the microprocessor. See page 87 in manual.
1) switch off the unit using the main unit's power operation (small power button)
2) hold the PURE DIRECT button and DIRECT button at same time and turn the main unit's power operation on.
3) wait for entire display to flash in 1 second intervals

now the speakers need to be set up again but zone 2 will be working. i suspect a power surge causes the microprocesser to be corrupted. i put a power surge protector and have not had problems (lately).

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It sounds like you have a bad speaker on the zone 2, or you have the speakers connected improperly.

When you engage the zone 2 a relay clicks and the speakers then become part of the amplifiers circuit.

If the problem was in the amplifier, it would go into protect mode without even having speakers connected to it.

If the speakers all check good, you most likely have the wrong type of speakers, meaning the impeadance is too low, or you have too many speakers connected to it.

On the back of the Denon, you will see right around the speaker output jacks, what ratings the speakers should be. If I remember correctly, it says 6 ohms or more when using only "A" or "B", and it says 12ohms or more for "A" + "B".

If you have two 8 ohm speakers on the same speaker jack you now have a 4 ohm load. That is below the ratings and can cause the amp to shut down (go into protect). Since your amp shuts down right away, I think you have a bad speaker or way too many speakers connected.

I have seen many times when people will connect 2 or 4 speakers to the one of the outputs that are designed for only 1 speakers.

If you are using too many speakers you will need a speaker distribution box. It has a resistor network built into it so the amp never sees a lower impeadance than what it is designed for.
You can connect 4, 6 or 8 speakers to one set of outputs designed for 2 speakers. You do loose a lot of power to the speakers, but it is better than blowing up your amplifier.

If I can be of any further help, let me know.

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