[Elecraft] K3 Filters and dual bandpass tuning

[andrew vavra]

Question for the experienced K3 owners...

I'm planning a purchase in the very near future and want a clarification on the roofing filters and use of passband tuning with the K3.

I think I understand from reading the forum that the K3 automatically selects the filter to match the width of the passband.  In other words if I narrow the passband using the dual PBT to 500 Hz, the K3 will select the 500 Hz roofing filter.

Am I interpreting this correctly?

If this is true, what if I only have 1 roofing filter in the rig... say the 2.7 kHz?  Can the passband be narrowed even further using PBT like I can do with my 756 Pro?

Thanks in advance.

Andy, KD3RF

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