{"id":27071,"date":"2003-09-08T00:00:00","date_gmt":"2003-09-08T00:00:00","guid":{"rendered":"http:\/\/www.sweetwater.com\/sweetcare\/?p=27071"},"modified":"2007-04-27T00:00:00","modified_gmt":"2007-04-27T00:00:00","slug":"installed-xp1-polyphony-expansion-board-kurzweil-pc2x-only-half","status":"publish","type":"articles","link":"https:\/\/www.sweetwater.com\/sweetcare\/articles\/installed-xp1-polyphony-expansion-board-kurzweil-pc2x-only-half\/","title":{"rendered":"I&#8217;ve installed the XP1 polyphony expansion board into my Kurzweil PC2x and only get half the polyphony. What&#8217;s wrong?"},"content":{"rendered":"<p>You need to update the OS of your PC2x via MIDI files. Go to http:\/\/www.kurzweilmusicsystems.com and go to downloads to download the updates.<\/p>\n","protected":false},"featured_media":0,"template":"","categories":[],"tags":[],"storecat":[],"itemids":[16765,27101],"manufacturers":[33482],"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 I&#039;ve installed the XP1 polyphony expansion board into my Kurzweil PC2x and only get half the polyphony. 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