[Elecraft] Elecraft K2 filters?

As far I know I cannot see any filter options for the K2, am I correct? Currently looking at a K2 sn low 4XXX. It is advertised as It has 1.7kHz, 700Hz, 400Hz and 100Hz filters fitted . Is this possible. Thanks Gavin ZL1BBW

Re: [Elecraft] Elecraft K2 filters?

Gavin, The K2 uses a single voltage-variable capacitance (varicap) diode-tuned crystal filter on the main RF board, and the filter bandwidths are programmable by the user within a moderate range. A separate fixed bandwidth crystal filter is present on the KSB2 SSB option board if installed. A no

Re: [Elecraft] Elecraft K2 filters?

In addition to the tuneable IF crystal filter, there are the KAF2 and KDSP audio filter option (check out the Elecraft website for details). 73, Matt VK2RQ On 2 Jun 2014, at 11:38 am, Mike K8CN mike.car...@unh.edu wrote: Gavin, The K2 uses a single voltage-variable capacitance (varicap)

Re: [Elecraft] Elecraft K2 filters?

Gavin, As has been explained by a couple others, the K2 filters (other than the OP1 filter on the KSB2 option board) are entirely user configurable - you can set the filter width and the filter center frequency as you desire. You can find information for doing that at my website