{"id":279,"date":"2008-07-06T16:42:50","date_gmt":"2008-07-06T20:42:50","guid":{"rendered":"http:\/\/pugix.com\/synth\/?p=279"},"modified":"2021-02-14T09:08:59","modified_gmt":"2021-02-14T14:08:59","slug":"portable-rack-cabinets","status":"publish","type":"post","link":"https:\/\/pugix.com\/synth\/portable-rack-cabinets\/","title":{"rendered":"Portable Rack Cabinets"},"content":{"rendered":"

This project has two goals.\u00a0 1) The ability to take some modules on the road, 2) More expansion space for the modular studio.\u00a0 The cabinets are EWI Tourcase Model R10UE-10<\/a> (thanks for the tip, Ivan).<\/p>\n

These are nice, strong cases that hold 20U width of MOTM modules.\u00a0 I outfitted them with Synthesis Technology MOTM-19A mounting rails.\u00a0 One of the cabinets has a Power One HAA15-0.8-AG +\/-15 volt supply, and the other a Power One HTAA-16W-A triple voltage supply with +5V.\u00a0 These use MOTM-960 and MOTM-990 power distribution boards, respectively.<\/p>\n

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The depth worked out nicely, with plenty of room in front of the supply for normal MOTM modules.\u00a0 There’s even enough clearance for a Stooge 3-pot long bracket (below).<\/p>\n

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I built the power supplies into aluminum box enclosures for safety, so that no 120V AC wiring is exposed.\u00a0 The box and cover are Digi-Key parts 377-1028-ND and 377-1047-ND.\u00a0 I found a combination AC inlet, power switch and fuse, Schurter IEC320 AC I, (Mouser 693-4304.6090) for $9.00.\u00a0 It takes the same type of fuses as the MOTM-900\/950 (Littlefuse 0239.800HXP for USA), but fuses both sides of the AC line so you need two.\u00a0 The enclosure is mounted on a 3U high blank aluminum rack panel.\u00a0 The whole unit is just another rack-mountable item.\u00a0 It’s essential to use an aluminum panel, not steel, because of the machining required to cut the large rectangular hole for the power connector.\u00a0 I drilled 20 small holes in the enclosure to allow some ventilation, and the whole box being fastened to a big panel also provides conductive heat dissipation, which I hope will be sufficient.\u00a0 On the HAA15 supply the jumpers labeled VW1 and VW2 near the output terminals have to be cut to change from +\/-12 to +\/-15 volts (thanks to Paul Schreiber for this tip).<\/p>\n

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\"\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

This project has two goals.\u00a0 1) The ability to take some modules on the road, 2) More expansion space for the modular studio.\u00a0 The cabinets are EWI Tourcase Model R10UE-10 … Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":280,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[14],"tags":[89,172,90],"class_list":["post-279","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects","tag-cabinet","tag-case","tag-power-supply"],"yoast_head":"\nPortable Rack Cabinets - Richard Brewster's Electronic Sounds<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pugix.com\/synth\/portable-rack-cabinets\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Portable Rack Cabinets - Richard Brewster's Electronic Sounds\" \/>\n<meta property=\"og:description\" content=\"This project has two goals.\u00a0 1) The ability to take some modules on the road, 2) More expansion space for the modular studio.\u00a0 The cabinets are EWI Tourcase Model R10UE-10 ... 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