Burwen Research 1201A Dynamic Noise Filter & 7000A Transient Noise Eliminator

Description

Burwen Research DNF 1201A Dynamic Noise Filter & TNE 7000A Transient Noise Eliminator. Shipped with USPS. For both units. On the DNF, the red suppression light goes on when Max, Med or Min buttons are pressed. The green light under Wideband goes on she put button is pressed. On the TNE the Red high frequency calibration button lights up. When the sensitivity or the threshold dials are turned, the red light under transient noise elimination flashes intermittently. I have not tested the units and don’t not know if they work further. I am selling these as is and untested. These are in good shape cosmetically. Black steel cases. Both come with original instruction manuals. Without face panel each unit measures approximately 16 1/2 long by 7 1/2 wide by 2 1/2 tall not counting the rubber feet. The face panel measures 19 by 3 1/2. Listing is for both units. Face panels are securely fastened and are not removable.