{"product_id":"teletronix-la-2a-revision-1-gray-face-411-vintage","title":"Teletronix LA-2A Revision 1 Gray Face #411 (Vintage)","description":"The \u003cb style=\"box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003eTeletronix LA-2A Leveling Amplifier\u003c\/b\u003e has a long history stretching back over half a century. During that time the company changed hands and the model went through a variety of incarnations. Despite these several changes, the LA-2A has remained one of the most popular tools in the recording studio, beloved by engineers for its program-dependent compression and ease of use. Beautiful for vocals, bass, guitars, overheads, drums, etc. \u003cbr style=\"box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003e\u003cbr style=\"box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003eEssentially there are six different versions of the LA-2A, based on various design elements, parts, outward appearance, and parent companies. The six revisions can best be classified as: Revision 1 (the original); Revisions 2A, 2B and 2C (all inter-related in various ways); Reissue 1 and Reissue 2. The first four versions kept consecutive serial numbers, while the two reissues had their own numbering scheme.\u003cbr style=\"box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003e\u003cbr style=\"box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003eThe final, seventh version, appeared when Universal Audio was resurrected by Bill Putnam Jr., and the LA-2A made its modern reappearance in the line of \"UA Classics\".\u003cbr style=\"box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003e\u003cbr style=\"box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003eBriefly the differences are most easily classified by company ownership:\u003cbr style=\"box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003e\u003col style=\"margin: 0px 0px 0px 40px; padding: 0px; list-style-position: outside; list-style-image: none; box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eRevision 1 - the original, produced in 1962 by Teletronix under Jim Lawrence, inventor of the LA-2A.\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eRevision 2A - Teletronix patent is acquired by Babcock Electronics\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eRevision 2B - Teletronix patent is licensed from Babcock Electronics by Bill Putnam Sr. \/ Studio Electronics\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eRevision 2C - Teletronix patent is acquired from Babcock Electronics by Bill Putnam Sr. \/ UREI\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eReissue 1 - late 70s reissue by UREI \/ United Recording Electronics Industries\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eReissue 2 - late 80s reissue after UREI is acquired by Harman Electronics \/ JBL\u003c\/li\u003e\n\u003c\/ol\u003e\u003cbr style=\"box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003eThis unit is an original gray face version, dubbed Revision 1, with the following features:\u003cbr style=\"box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003e\u003cul style=\"margin: 0px 0px 0px 40px; padding: 0px; list-style-position: outside; list-style-image: none; box-sizing: border-box; color: rgb(38, 38, 38); font-family: Arial, Helvetica, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);\"\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eSerial numbers 001-600 (approx.)\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eFaceplate is painted grey, with red \"Teletronix Engineering\" logo\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eProduced by Teletronix in Pasadena, CA (sometimes labeled Los Angeles, sometimes labeled Sunnyvale)\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eType \/ Serial No. on a separate metal plate\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eAll rear panel graphics are hand stenciled or stamped\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eOctal jumper socket located before the UTC HA-100X input transformer for pad\/pre-emphasis modules\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eLater units included a variable pre-emphasis filter, R37\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; box-sizing: border-box;\"\u003eFirst compressor to use photo resistors and luminescent panels to achieve gain reduction - the T4A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Teletronix","offers":[{"title":"Default Title","offer_id":44450085863527,"sku":"76556","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/img58b08346cd3da8.59920461_c419bc18-279f-4d57-b547-292e27ad9a7a.jpg?v=1787091642","url":"https:\/\/vintageking.mom\/products\/teletronix-la-2a-revision-1-gray-face-411-vintage","provider":"Vintage King","version":"1.0","type":"link"}