From: scientist77017@gmail.com   
      
   On Saturday, June 13, 2020 at 3:54:33 PM UTC-5, AK wrote:   
   > On Saturday, June 13, 2020 at 4:08:21 AM UTC-5, Adrian Caspersz wrote:   
   > > On 04/06/2020 17:33, Andy wrote:   
   > > > I have a 6 speaker home theater system.   
   > > >   
   > >   
   > > Give us the make and model number. Do you have the manual?   
   > >   
   > > > However the middle 2 speakers have no sound.   
   > >   
   > > I'm presuming these are the rear surround pair.   
   > >   
   > > >   
   > > > I checked the voltages.   
   > > >   
   > > > 0 volts when a movie is playing versus .22 Vdc when movie is not playing.   
   > >   
   > > Means nothing, except charitably maybe that at least the speakers are   
   > > connected to something and not floating around in the wind.   
   > >   
   > > (If you had properly wanted to test the speakers are connected, a better   
   > > check would have been to disconnect each in turn from the amplifier and   
   > > with your meter do a resistance check across the leads. It should   
   > > measure whatever ohm figure is printed on the back of the speaker.)   
   > >   
   > > Some surround systems have a test mode, to make a small noise from each   
   > > speaker, one at a time. Have you tried this?   
   > >   
   > > There are many surround encoding schemes depending on source. And   
   > > special effects from your amplifier, and yeah maybe simulating rear   
   > > surround - how are we to know you have correctly turned that function on?   
   > >   
   > > The comments posted by other respondents are entirely valid. You have to   
   > > help people to answer you, not imagine they are mind readers. Give   
   > > useful information - make/model is a good clue, and go find that manual!   
   > >   
   > > --   
   > > Adrian C   
   >   
   > Denon AVR-1801/881 AV Surround Receiver   
   >   
   > Those speakers do work when listening to the radio.   
   >   
   > So, I know the speakers are o.k.   
   >   
   > Andy   
      
   I do have the manual also.   
      
   Andy   
      
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