The Dorrough 400-C Analog Loudness Meter +20dB is a jumbo version of the Dorrough 40 series professional analog loudness meter, visible from distances of over 50 feet.
The 400-C has simultaneous average and peak program display in a large arc-style meter with separate ballistics and lightning-fast response. It is equipped with a 40-LED bar graph, showing 1dB of resolution per LED, and 20dB of headroom identical to the AES/EBU Digital Standard.
