{"product_id":"teletronix-la-2a-revision-2a-babcock-1105-vintage","title":"Teletronix LA-2A Revision 2A Babcock #1105 (Vintage)","description":"The \u003cstrong\u003eTeletronix LA-2A Leveling Amplifier\u003c\/strong\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\u003e\u003cbr\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\u003e\u003cbr\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\u003e\u003cbr\u003eBriefly the differences are most easily classified by company ownership:\u003cbr\u003e\u003col\u003e\n\u003cli\u003eRevision 1 - the original, produced in 1962 by Teletronix under Jim Lawrence, inventor of the LA-2A.\u003c\/li\u003e\n\u003cli\u003eRevision 2A - Teletronix patent is acquired by Babcock Electronics\u003c\/li\u003e\n\u003cli\u003eRevision 2B - Teletronix patent is licensed from Babcock Electronics by Bill Putnam Sr. \/ Studio Electronics\u003c\/li\u003e\n\u003cli\u003eRevision 2C - Teletronix patent is acquired from Babcock Electronics by Bill Putnam Sr. \/ UREI\u003c\/li\u003e\n\u003cli\u003eReissue 1 - late 70s reissue by UREI \/ United Recording Electronics Industries\u003c\/li\u003e\n\u003cli\u003eReissue 2 - late 80s reissue after UREI is acquired by Harman Electronics \/ JBL\u003c\/li\u003e\n\u003c\/ol\u003e\u003cbr\u003eThis unit is the first silver face version, dubbed Revision 2A, with the following features:\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eSerial numbers 601-1000 (approx.)\u003c\/li\u003e\n\u003cli\u003eFaceplate is brushed aluminum with red \"Teletronix Div.of Babcock\" logo (the earliest units still had a greyface front panel)\u003c\/li\u003e\n\u003cli\u003eTeletronix patent acquired by Babcock Electronics Corp. of Costa Mesa, CA\u003c\/li\u003e\n\u003cli\u003eType \/ Serial No. on a separate metal plate\u003c\/li\u003e\n\u003cli\u003eAll rear panel graphics are screen printed\u003c\/li\u003e\n\u003cli\u003eInput transformer remains UTC A-100X\u003c\/li\u003e\n\u003cli\u003eThis iteration had an added a compress\/limit switch on the back\u003c\/li\u003e\n\u003cli\u003eADL copy of original Opto. \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Teletronix","offers":[{"title":"Default Title","offer_id":44450013249639,"sku":"60372","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/teletronix-la-2a-revision-2a-babcock-1105-vintage-6666582_921d7726-1930-4d30-af00-757503907287.jpg?v=1787091327","url":"https:\/\/vintageking.mom\/products\/teletronix-la-2a-revision-2a-babcock-1105-vintage","provider":"Vintage King","version":"1.0","type":"link"}