Combination Bandpass Filter - 419B Model

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Model 419B is a six position bandpass transceiving filter for HF services. Constructed in an I.C.E. standard heavy case measuring (HWD) 31/2" X 71/2" X 8", Model 419B standard model features the popular six Amateur Radio frequency bands 160, 80/75, 40, 20, 15 and 10 Meters in a manual or auto-switching circuit. The pictures above show a specific unit with WARC bands (specific bands on request).
Individual twin tuned circuit bandpass sections are mounted to the copper chassis with all connections soldered and joined with copper strap lines, switched with double pole individually scaled RF relays.
Band selection is done from the front panel directly by the operator with the main knob control or by automated means derived by ground closure to the 8-pin DIN connector on the rear panel surface.
Switching time 11 milliseconds, voltage requirements 12VDC negative ground at about 100ma supplied to rear panel through coaxial DC connector.
Power rating 200W ICS. Unit defaults to pass all signals directly through when power is turned off from front panel. LED indicators show active band selected in either manual or auto mode. The unit includes DC fuse, AC or "dirty" DC capable to make Unit operable in harsh locations. Weight 5 pounds.

NOTA : I used 2 units ICE Model 419B (1x 419B with 40,20,17,15,12,10m and 1x 419B with 80,40,30,20,17,15m) since december 2005 to november 2007.

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Last update of this page: November 2007