Mackintosh preamplifier for wooden wood case. Mounting is C20 to the bolt hole locations bolt on the bottom only. (exclusive of fixing bolts included – Outer size approx: W440 mm x H165 mm x D325 mm C20 early late, and Tall. Early type C20 in top and bottom 1/2 Specification, it is with glass panel not included Listing for C20 in wood case. (amplifier is NOT included)