c701e714   
   XPost: rec.audio.pro, alt.audio.pro.live-sound   
   From: vancleef@blackhole.lostwells.org   
      
   In article ,   
   wardy   wrote:   
   >Hi,   
   >   
   >I am installing a Technics amp with normal Stereo output (+- L and +-   
   >R)   
   >I have to send the audio thru the amp to 12 separate speakers across a   
   >sprawling venue.   
   >   
   >I have purchased a mono splitter and a stereo splitter.   
   >   
   >Firstly i tried the mono splitter so that each speaker would be mono.   
   >I tried to convert this stereo output from the amp to mono by   
   >combining the cables.  firstly i tried to wire both the + outputs from   
   >the amp into the + of 1 speaker cable and both the -  into the - of   
   >the cable. this however simply forced the amp to "click" off after a   
   >few seconds of sound so i presume it wasnt happy with the level of   
   >impedance of whatever.   
   >So a mono splitter is out.   
   >   
   If you want to drive 12 speakers from a stereo amplifier, set up a pair   
   of 25 or 70-volt systems on the amplifier outputs.  You've got two   
   amplifiers in the box, use them independently and don't try to tie them   
   together at the output.   
      
   If you want mono operation, just Y the inputs from your signal source to   
   the two inputs to the two amplifiers.   
      
   Hank   
      
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