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6.3 MHz
I-F filters are models 282, 285, and 288.
9 MHz I-F
filters are models 216, 217, 218, 219, 220, and 221. What's
the difference between the 219 and 221 filters? The Omni-VI Plus will accept up to all three filters (282, 285, and 288) in the 6.3 MHz I-F. There are two open filter positions (N-1 and N-2) to accept two 9 MHz I-F filters. The Omni-VI Plus incorporates crystal filters of 2.4 kHz bandwidth at the 6.3 MHz and 9 MHz I-F's as standard equipment. You can add up to five total optional filters for a total of seven filters if all are installed. If you are going to install a single filter at a given bandwidth, like a single 500 Hz filter or single 1.8 kHz filter, we recommend installing the 6.3 MHz filters before the 9 MHz filters. This is because your passband tuning control is active on the 6.3 MHz filters but not the 9 MHz filters in the Omni-VI Plus. 6.3 and 9 MHz I-F filters (either or both) are also used in the Paragon, Paragon II, Omni-V, Omni-VI, Corsair, Corsair II, Delta 580, Argosy and Argosy II and Omni A/C/D series. If you are unable to determine from the owner's manual which filter you need for a given transceiver, please feel free to give our sales staff a call at (800) 833-7373 and we'll find the correct filter for you. |