MFJ-722
Audio Notch Filter

Discontinued!

Replaced by
the MFJ-722B

The MFJ-722 is an SSB/CW tunable 70dB notch filter. It has eight pole active IC filtering and uses cascaded low-Q stages.

In the CW mode, three bandwidths are featured: 80, 110 and 180 Hz.
The center frequency is 450 Hz up to 15 dB. 5.5 x 2.5 x 5 inches.

This item requires 9-15 VDC @300 mA. The optional MFJ-1312D power supply is suggested. Click here to view larger.