Attached Link: http://www.marshallamps.com/images/products/mg/mg100hdfxunit.html

BTW, this newer Marshall MG head does have the controls at the top, and may be more like what odeathoflife was modeling. The MG series is their low cost series. You can get MG 4x12 speaker cabinets (MG-412A) for $299 at samash.com.