Chassis mtd by plug-in method andretainer screws, used in horizontal position, fixture plate data, fixed, work secured by 2 locating pins and 4 screws, 2-1/2 in lg x 4 in. W x 5 in. H o/a, functional description, supports the 20 to 30 mc if amplifier module approx 4-1/2 in. Above the rt-332/arc-52 chassis in order to facilitate alignment, trouble shootingor repair of the module w/normal elec-trical and mechanical connections