Vintage: 1073 Class A, Transformer In/Out. Modern: Ultra High Resolution, Transformer-less. Vintage Combo: Modern Input > Vintage Output.Modern Combo: Vintage Input > Modern Output Plus world class front panel DI/instrument inputs. Included with the unit is the owner's manual. Feel free to contact me with any questions. The item "Slate Audio Fox Quad Tone Dual Mic Preamp" is in sale since Sunday, September 04, 2016. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Preamps & Channel Strips". The seller is "seedsvox" and is located in West Palm Beach, Florida. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, ID, to Taiwan, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to Mexico, to New Zealand, SG, to Switzerland, NO, SA, UA, AE, QA, KW, BH, HR, MY.