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Special pricing for 3+ units and group purchases. Contact us for details |
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| The FS-6 Bandpass
Filter unit is a space saving compact package and comes standard with
filters for 160, 80, 40, 20, 15 and 10 meters. Optional filters for 30, 17
and 12 meters are available. All filters use the popular, high performance
W3NQN design. These filters are rated at 200 watts ICAS and are to be used
between your radio and amplifier.
These filters are designed for
low insertion loss and low SWR across an entire band with emphasis placed on
maximum rejection of second harmonic energy. The filters can be selected via
front panel knobs, via our ShackLAN-4 system or remotely by applying +12 for
each individual band to the rear panel control connector.
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| The space saving package minimizes the width required on your operating table. The case is only 6.25" wide x 3.25" high x 13" depth and is constructed with heavy duty extruded aluminum with a mar resistant textured vinyl finish. | |
| All filters are modular, plug-in boards making replacement, if required, an easy process. |
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Below are actual performance plots. Filter shape plots only show adjacent bands as performance at these frequencies is of primary importance..
 160M filter response |
 160M SWR curve |
 80M filter response - Note 2nd harmonic on 40M down over 60db |
80M SWR curve. Note that this filter is designed for 3.5 MHz to 3.9 MHz |
 40M filter response. Note 2nd harmonic on 20M down over 60db |
 40M SWR curve |
 20M filter response. Note notch on 40M and 10M down 60db |
 20M SWR curve |
 15M filter response. Note 40M down 70db and 10M down 55db |
 15M SWR curve |
 10M filter response. Note notch on 15M and 20M down 70db |
 10M SWR curve |
