The 280-A Analog Loudness Meter from Dorrough is a loudness meter that offers a dual-channel horizontal linear display. The meter allows you to monitor multiple analog channels in a limited space,... View more

The Dorrough 380-A Vertical Loudness Meter +14dB is a professional analog loudness meter with a dual-channel vertical linear display. The close side-by-side positioning of the two monitored channels... View more