{"product_id":"cvx4","title":"CVX4 Vogons Tuning Edition","description":"\u003cp\u003eNew high end Vogons Tuning Edition available now.\u003cbr\u003eParallel port soundcard with high quality tuning options, compatible with Covox Speech Thing\u003cbr\u003eLine out connection, intended to connect to amplified speakers\u003cbr\u003e\u003cbr\u003eOptional Dual Color high quality enclosure.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNo compromises, we wanted to make the best possible covox clone, and did not spare effort or expenses :\u003cbr\u003eafter building 3 prototype generations (CVX1, CVX2, CVX3), this is now the final version :\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCVX4 uses very high precision 0.1% all same value resistors, and a reverse engineered schematic (based on a real original covox) for excellent 8 bit sound. Other DIY clones use 1% or 5% resistors, different schematic, ...you can compare... CVX4 sounds way better...\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdded low pass tuning options to simulate speaker effect to your own taste.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eDip switch legend :\u003cbr\u003edips 1-5 : low pass filter\u003c\/p\u003e\n\u003cdiv style=\"margin-left: 40px;\"\u003e1: 1nF      : significant low pass filter\u003cbr\u003e2: 4.7nF   : heavier low pass filter\u003cbr\u003e3: 10 nF   : very heavy low pass filter\u003cbr\u003e4 : 0.1nF  : very subtle low pass filter\u003cbr\u003e5 : 0.47nF : subtle low pass filter\u003c\/div\u003e\n\u003cp\u003edip 6-7 : extra volume divider :\u003c\/p\u003e\n\u003cdiv style=\"margin-left: 40px;\"\u003e6 :    56k    (1\/2R) : \u003cbr\u003e7 :    27k    (1\/4R)\u003c\/div\u003e\n\u003cp\u003edip 8 \u003c\/p\u003e\n\u003cdiv style=\"margin-left: 40px;\"\u003e8 :    bypass coupling capacitor\u003cbr\u003e \u003c\/div\u003e\n\u003cp\u003eDip settings for authentic Covox' sound : dip 7 on, other dips off.\u003cbr\u003e\u003cbr\u003eExample DIP switch settings :\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"width: 500px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eDIP SWITCH Position :\u003cbr\u003e(1-2-3-4-5-6-7-8)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eResult :\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eE-D-D-D-D-X-X-X\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003elow pass filter set medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eD-E-D-D-D-X-X-X\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003elow pass filter set heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eD-D-E-D-D-X-X-X\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003elow pass filter set very heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eD-D-D-E-D-X-X-X\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003elow pass filter set very low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eD-D-D-D-E-X-X-X\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003elow pass filter set low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eX-X-X-X-X-E-D-X\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eextra volume divider set half\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eX-X-X-X-X-D-E-X\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eextra volume divider set a quarter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eX-X-X-X-X-X-X-E\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003ebypass decoupling capacitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eLegend:    E = (e)nabled or on; D = (d)isabled or off; X = doesn't matter\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eReview and detailed development history by Scali here : \u003ca href=\"https:\/\/scalibq.wordpress.com\/2017\/11\/28\/the-covox-years\/\"\u003ehttps:\/\/scalibq.wordpress.com\/2017\/11\/28\/the-covox-years\/\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eCVX4 soundcloud demos here : \u003cstrong\u003e\u003ca href=\"https:\/\/soundcloud.com\/user-919839499\/sets\/cvx4-mod-playback-with\"\u003ehttps:\/\/soundcloud.com\/user-919839499\/sets\/cvx4-mod-playback-with\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 11pt;\"\u003e\u003cspan style=\"line-height: 115%;\"\u003e\u003cspan style=\"font-family: Calibri,sans-serif;\"\u003eEnclosure assembly tip :   The top and bottom are printed to tight tolerances, for a good fit. When assembling, don't use excessive force.\u003cbr\u003eAssembly is easy, following these steps :\u003cbr\u003e- put the top lid in front of you, so that you can read the 'CVX4' text\u003cbr\u003e- tilt the lid, and fit the right side notch first.\u003cbr\u003e- after this first, you can gently move the lid downwards, while pulling it to the right, and fit the other notches.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCVX4 playing a song using CVXPlay in DOS :\u003cbr\u003e\u003cbr\u003e\u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nDQye6JKDcg?list=PLI91S8W9z7ZFzKrvg9c1fAVrwHb5Q4BEh\" width=\"560\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003cbr\u003eFasttracker II through CVX4\u003cbr\u003e\u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/CQNUzXAutNs?list=PLI91S8W9z7ZFzKrvg9c1fAVrwHb5Q4BEh\" width=\"560\"\u003e\u003c\/iframe\u003e\u003cbr\u003eCVX4 in games : Electro Man \u003cbr\u003e\u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/QWtn8E2VKhU?list=PLI91S8W9z7ZFzKrvg9c1fAVrwHb5Q4BEh\" width=\"560\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003cbr\u003eReview\/Demo by Phil's computerlab:\u003cbr\u003e\u003cbr\u003e\u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/LCI04jkKOeE\" width=\"560\"\u003e\u003c\/iframe\u003e\u003cbr\u003eFeatured in this 8 bit guy demo :\u003cbr\u003e \u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Wt4VcLF8Wug\" width=\"560\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003cbr\u003eCVX4 Modmaster Demo by FreddyV Retro Zone\u003cbr\u003e\u003cbr\u003e\u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nSGbkdeDuUw\" width=\"560\"\u003e\u003c\/iframe\u003e  \u003cbr\u003eCombining 2 x CVX4 for Stereo support - Retro Erik:\u003cbr\u003e \u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/l-YWzQNLti8?si=S_XcS6nnowGW1_LY\" title=\"YouTube video player\" width=\"560\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eLPT devices comparison by Retro Erik:\u003c\/strong\u003e\u003cbr\u003e\u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/KzXajyskDiA?si=mF3_rV7yLvOsjctG\" title=\"YouTube video player\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Serdashop","offers":[{"title":"No Enclosure","offer_id":57551947628928,"sku":"CVX4","price":18.15,"currency_code":"EUR","in_stock":true},{"title":"CVX4 Enclosure (€12 €14.52)","offer_id":57551947661696,"sku":"CVX4_ENCLOSURE","price":32.67,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/2622\/6048\/files\/2353825223.jpg?v=1771751174","url":"https:\/\/new.serdashop.com\/products\/cvx4","provider":"Serdashop","version":"1.0","type":"link"}