Dorrough Model 340-A Vertical Small Straight Single Channel Analog Meter

The Dorrough 340-A straight line vertical single channel Loudness Monitor are third-generation meters providing the same basic display ballistics as the original classic Model 40 but with added audio monitoring functions. External power supply included. Desktop box as single, dual, triple, or quadruple. Two XLRs for right and left audio inputs. Each dorrough Loudness Monitor features Right and Left inputs for use in stereo mixing applications.