The Model 240-A and 340-A are single channel straight line loudness meters ideal for applications where serveral meters are required, such as Surround Sound.
The Model 240-A is designed for horizontal mounting, while the model 340-A is designed for vertical mounting.
These meters are ideal for HDTV 5.1 and 7.1 Surround Sound applications. Two custom mounting solutions tailored to this application are offered as options. The first choice is a metal rack adapter 5RU high, which accommodates 5 vertical (340-A) meters and a single horizontal (240-A) meter used for the .1 (LFE) channel at the bottom (shown below).
For Models 40-A, 10-A, 20-A, 12-A, 240-A, 280-A, 380-A, 400-A.