Doing some reconfiguring of the OmniVI herd and came up with one too many filters...so F/S INRAD 758 filter. 2100 Hz bandwidth at the 6.3 MHz IF. Fits Corsair and OmniV/VI/VI+. $75 shipped Also have the INRAD 766 1000 Hz 9.0 MHz For trade for a TT 218. 73 Allan K7GT