From: scientist77017@gmail.com   
      
   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?   
      
   > --   
   > Adrian C   
      
   Thanks so much.   
      
   The test mode is what I needed.   
      
   It sent test tones to each of the 3 pairs of speakers.   
      
   Manual said to adjust the volume to be the same.   
      
   I had to have my ear close to the speakers to gauge how much to change the   
   volume.   
      
   Andy   
      
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