{"id":26015,"date":"1998-10-14T00:00:00","date_gmt":"1998-10-14T00:00:00","guid":{"rendered":"http:\/\/www.sweetwater.com\/sweetcare\/?p=26015"},"modified":"2007-04-27T00:00:00","modified_gmt":"2007-04-27T00:00:00","slug":"motu-issue-what-difference-between-4-10-inputs","status":"publish","type":"articles","link":"https:\/\/www.sweetwater.com\/sweetcare\/articles\/motu-issue-what-difference-between-4-10-inputs\/","title":{"rendered":"MOTU Issue: What&#8217;s the difference between +4 or -10 inputs?"},"content":{"rendered":"<p>Audio line levels are referenced at +4 or -10 db.  +4 is more common among high end studio equipment,  -10 is found in high end studio equipment, and is also the standard for consumer electronics.  The difference is the amount of gain.  The idea is that the higher the signal gain, the lower the noise floor.  Modern gear is much better quality than a few years ago, so noise is not as much a problem as it used to be.<\/p>\n<p>If you send a +4db signal into a -10 db input, you can overload the -10 db input with too much gain.  This will cause distortion.  The solution to this is to carefully monitor the signal.  If the gain is to hot, you will need to attenuate the signal.  Attenuation can be achieved with a simple volume control.  Use a channel from a mixer, a pre amp, or even a compressor to do this.<\/p>\n<p>Likewise, a -10 db signal going into +4 db inputs will not have enough gain, and there could be noise introduced (the 2408 has -10 and +4 db outputs).  If you must send a -10 db signal to a +4 db input, it&#8217;s a good idea to add gain to the signal to make the levels match.  Once again, a mixer channel or preamp will do the job.<\/p>\n<p>With the latest PCI-324 Driver and PCI-324 CueMix Console, you now have the ability to boost the individual inputs of any Motu Rack by 6 or 12 db.<\/p>\n","protected":false},"featured_media":0,"template":"","categories":[],"tags":[],"storecat":[],"itemids":[],"manufacturers":[33566],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"description\" content=\"Check out the MOTU Issue: What&#039;s the difference between +4 or -10 inputs? page at Sweetwater \u2014 the world&#039;s leading music technology and instrument retailer!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sweetwater.com\/sweetcare\/articles\/motu-issue-what-difference-between-4-10-inputs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MOTU Issue: What&#039;s the difference between +4 or -10 inputs? - SweetCare\" \/>\n<meta property=\"og:description\" content=\"Audio line levels are referenced at +4 or -10 db. +4 is more common among high end studio equipment, -10 is found in high end studio equipment, and is also the standard for consumer electronics. 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