Dorrough Model 280-A Small Straight Two Channel Analog Meter

The Dorrough 280-A straight line horizontal two 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. Rack mounting available, as single, dual or triple rack. Desktop box as single, dual, triple, or quadruple. Two XLRs for right and left audio inputs.