Page 1: ...ecommended where long cable lengths are required Models 520SL and Model 520SLB are both suited for use wjth transistor or vacuum tube amplifiers Model 520SL for amplifiers with high impedance in puts...
Page 2: ...located directly below the switch bar Rotate the stop plate see Figure 3 180 and retighten the screw The switch can then be used as a momentary contact type or locked in the On position To lock grasp...
