From: no_email@invalid.invalid   
      
   I pulled out two ROM1 onto the bench and installed a MDIdeas stereo card in   
   one and the MinisoundGS in the other. I hooked both up to a mixer and then   
   out to headphones. I also hooked up the IIgs 3.5” jack (mono) to the mixer   
   as well to see what the difference would be.   
   The mixer was set to not introduce any variation into the channels so in   
   theory it allows me to compare outputs quickly with push of buttons. The   
   MinisoundGS is working very well, however I do hear a slight hiss in the   
   left channel. However, I also can hear that the MDIdeas has a slight hiss   
   in the right channel. I’d like to be able to visualise this better and am   
   thinking about what gear to use.   
   The whine coming from my original PSU is way louder than the hiss I can   
   hear so this slight hiss not an issue that should cause anyone concern.   
   The position of the 3.5” jack could cause the stereo cable plug to   
   interfere with a card in the memory slot or slot 7 that uses the space next   
   to the card edge. Ie the RAM-GS   
   You can work around this by choosing a stereo cable with a thin plug, or   
   using another RAM card if you have a choice.   
   I next tried two ROM3 and compared outputs again. I heard the hiss from   
   both cards on the same channels as before.   
   Both sound cards sound brighter than the built-in jack and they are   
   comparable to each other at the same level on the mixer.   
   Regards   
   Andrew   
      
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