This document serves as the instruction manual for the dbx Models 941A, 942A, and 911 noise-reduction modules. It provides guidance on inspecting the unit upon receipt, selecting an appropriate installation location away from heat sources, and registering the warranty.
Type I should be used with tape machines running at 15 ips or greater, though it can work at 7-1/2 ips if specific conditions are met.
The maximum input and output levels are rated at +23 dB (1 V).