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Question about Denon AVR-900 Receiver

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Denon AVR 900

The front Left and front Right speakers of my denon AVR 900 are working fine... The center/woofer/ and back left/right are not working at all. I was given the receiver by my brother and I don't have the manual or the remote... How do I activate the other speakers? Jeff

Posted by jeff1234 on

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Well its possible you have it on stereomode put it on prologic ceneter mode on normal for best sound

Posted on Nov 05, 2008


You need to put the volume up on those speakers you can only do that with the romete s you kinda stuffed unless you get the remote.

Posted on Oct 04, 2008

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Related Questions:


How do I add a 2 channel amp to a Denon avr 2307ci

To add a 2-channel amplifier to your Denon AVR 2307ci receiver, you can follow these general steps:
1. Determine the amplifier connection type: Check the specifications of your 2-channel amplifier and identify the available input and output options. Common connection types include RCA (analog) and speaker wire (for binding posts or terminals).
2. Identify the pre-out connections on your Denon AVR: Locate the pre-out connections on the back of your Denon AVR 2307ci receiver. These are typically labeled as "Pre Out" or "Preamp Out" and may be color-coded. You will need to find the pre-out connections for the front left and right channels.
3. Connect the RCA cables: If your amplifier has RCA inputs, use RCA cables to connect the pre-out connections of the Denon AVR to the corresponding inputs on the amplifier. Connect the left channel pre-out on the Denon to the left channel input on the amplifier, and do the same for the right channel.
4. Connect the speaker wires: If your amplifier uses speaker wire connections, connect the front left and right speaker outputs of the Denon AVR to the corresponding inputs on the amplifier using speaker wire. Make sure to observe the proper polarity (positive and negative) when connecting the wires.
5. Configure the Denon AVR settings: Access the setup menu of the Denon AVR by using the remote control or the front panel display. Navigate to the audio settings or speaker configuration section. Look for an option to enable "Preamp Mode" or "Preamp Outputs." Enable this option to ensure that the front left and right channels are redirected to the pre-out connections.
6. Set the amplifier to the correct input: If your amplifier has multiple inputs, select the input that corresponds to the connection from the Denon AVR.
7. Adjust volume and settings: After completing the connections, you may need to adjust the volume levels on both the Denon AVR and the amplifier. Use the Denon AVR as the primary volume control and adjust the amplifier's volume accordingly.
It's important to consult the user manuals for both your Denon AVR 2307ci and the 2-channel amplifier to ensure proper setup and compatibility. If you're uncertain about any specific steps or settings, it's advisable to consult the manuals or reach out to Denon customer support for assistance.

This video MIGHT help a little

No Sound in Right Front Speaker- Denon AVR-1508

hi there,

have you check the system settings for each of the speaker..? should be set and balance all output of the speaker



Check all connections and the balance settings. (Left / right/centre) If these are ok, the output system on the amp has probably failed. Denon are a good unit. See if there is an Agent or Amp specialist nearby that you can take it to.

I recently purchased a new Denon AVR-391 receiver and am having a problem hooking up my subwoofer. It seems that the Denon has a pre-out RCA looking output and my subwoofer uses conventional speaker wire. ...

Your sub-woofer apparently does not have an amplifier built into it. This type requires you to use your front left and front right speaker output to got through it to your regular speakers. It is called a passive sub-woofer for that reason.
To set it up, Connect your front speakers to the "output" of the sub. It should say "to speakers" on it.
Then connect the Speaker Outputs for the left front and right front on your Denon AVR-391 directly to the Sub. It should say on the back of the Sub "to amplifier".
Here is some theory you should know, if you don't already know it, that will help you get a satisfactory result in setting up this system.
There is a condition on setting up all speakers and subs that not everyone know. It's call "phase alignment". Phase alignment (A Good Thing) refers to all of the speakers in a system moving in the same direction (in and out) at the same instant in time. This gives you much clearer sound and better response from your sub-woofer.
Phase Cancellation (a bad thing) is when some of the speakers are moving out and other moving in during the very same instant in time. It causes problems in sound.
Here is how to handle it:
On the back of the receiver the speaker terminal outputs are colored Red and Black. Black is considered negative and Red is considered positive. On the back of the Sub woofer and on the speakers the same colors apply. MAKE SURE THAT ALL OF THE CONNECTIONS GO BLACK TO BLACK AND RED TO RED WHEN CONNECTING UP THE SPEAKER WIRES.
The system will work either way. But you will have severe bass loss if the woofer wiring is out of phase because of phase cancellation.
Hope this helps,
Best Regards,

"Phase Cancellation"

The left side main output won't put out any sound on my Denon AVR-900.

connect your right speaker cable to the left output, if the sound comes out then the problem is on the left speaker ( the cable or the speaker itself ), but if still no sound, then the problem is on the power output of the unit, need to repair them

Denon 1906 all the right channels speakers not working

when turn on the amp,the volumn cannot under control

Left surround channel don't work

the problem you have seems to be on programing the master effects to get to it go to main menu and see the distribution and effects you want to hear on you home theather.remember that home surround needs some decoders to send the sound where the images come and its right built in....

Denon AVR-1507 No sound on left front channel

Because the sound is only faint says to me that the power amp that controls the left channel is faulty. You need to look at the device(s) on the heatsink and probably replace them.

No Sound Right Front Speaker

Sounds (forgive the pun) like that channel's power chip is gone. Take it to a Tech, I may advise...
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