Hamboneyard.comSurplus · Vintage · Shack-tested
HISTORIC MFJ FIRST ITEM - MFJ MODEL SBF-2 RAZOR SHARP AUDIO FILTER FOR RECEIVER — photo 1

Description

MFJ MODEL SBF-2 RAZOR SHARP AUDIO FILTER - EASILY INSTALLS BETWEEN SPEAKER OR HEADPHONE - THREE SELECTIVITY POSITIONS: 2.5 kHz, 2.0 kHz, AND 1.5 kHz - PERFECT FOR COPYING NARROW SSB SIGNALS. Photos are the actual MFJ SBF-2 CW Filter.

Full description and all photos on eBay

More in Receivers & SDR