podmann Posted February 29, 2016 Share Posted February 29, 2016 Using ART SLA-1 130W/channel studio monitor amp for HD500X. With all volume controls on HD500X at maximum the input led on the ART don't even light. So I'm running the output into a Spirit Folio Notepad, mic channels with preamp on. That gets the gain to trigger the ART input LED and gets the full volume out of the amp. Maybe there is a mod for the HD500X to get the ouput to 1 volt. Otherwise, is there a good quality low noise stereo line preamp out there? I haven't been able to find any except for those in the small mixers. But it's awkward getting to the mixer controls in the rack. A rack mixer would make sense, but not when a Behringer 802 is $80 or so. Any ideas? Quote Link to comment Share on other sites More sharing options...
Rewolf48 Posted February 29, 2016 Share Posted February 29, 2016 1V RMS is a 0db signal - Pro level (https://en.wikipedia.org/wiki/Line_level) HD500 1/4" outs can only do -10db signals - Consumer level (with the switch in the LINE setting) The XLR outputs and 1/4" on Amp setting are significantly quieter. Something like this claims to do what you want: https://proaudio.com/catalog/art-cleanbox-pro-2-channel-level-converter.asp Quote Link to comment Share on other sites More sharing options...
podmann Posted March 2, 2016 Author Share Posted March 2, 2016 Thank you for the explanation! It would be elegant if the HD500X Studio/Direct setting could put out the "pro" level so an intermediate volume boost wouldn't be necessary to drive a power amp. So I wondered if someone had modded their output amp, or what device they're using to bring to "pro" line level. Like a rack mount stereo 1V preamp? I'm using a desktop mixer mounted to a board inside the rack; it works great but the knobs are hard to reach. Quote Link to comment Share on other sites More sharing options...
podmann Posted March 2, 2016 Author Share Posted March 2, 2016 Awesome, I missed the link, seeing it now this might solve the problem, thank you very much! Quote Link to comment Share on other sites More sharing options...
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