The Powerband RFX-85©
The RFX85 is replacing the RFX75. Mechanically, the
RFX85 features a new aluminum
heatsink design with thicker ns for more heat dissipation and
greater performance. The new
heatsink is fan-ready and supports mounting of either one centered
fan or two side-by-side fans.
Electrically, the RFX85 features a fully regulated bias circuit with
adjustable control pots for both the
ERF2030 driver stage and ERF7530 nal stage. The addition of
adjustable fully regulated bias greatly
improves SSB performance and allows for perfect uning to almost any
The RFX85 installs the same as the RFX75, so no need to learn
This is a complicated modification and should not be done by an amateur.
should probably leave the installation and alignment to
CURRENT MODEL PRODUCING
LOWER OUTPUT ON
GALAXY DX-949/959/979 RADIOS. These work great on the Cobra 29
Series but lower output on Galaxy radios. Working on a solution.