The MFJ 784B uses an Analog Devices ADSP-2105 signal processor to enhance audio signals. Audio frequency response ranges between 250 and 3100 Hz (-3 dB). The processor is bypassed when the power switch is in the OFF position.
Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the value of a used MFJ 784B. Just bought or sold this model? Let us know what you traded it for and help other ham operators!
These estimates are based on the following prices: