ICE 419B Bandpass Filters

by MD0MDI
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ICE 419B Bandpass Filter Front View

ICE 419B Bandpass Filters

I have been kindly given quite a bit of gear to take over the care off, and part of this was 2 Band Pass Filters from a very good friend, who I am ever so grateful to.

The only time I have ever seen these before was when I was in Germany and the odd photo of a big contest station.

ICE 419B Bandpass Filter Front View

I have in the past used the normal Drake or Kenwood ones that fly around the second-hand markets and can normally be picked up for less than a fiver from those less greedy gits that are out there, and a few have been OK, but nothing to write home about, if anyone has ever found any of these that are very good then I would be interested in knowing the make and model.

These two units are a bit different though, and a little bit special. I have often seen these around, mainly on those big stations that do a lot of contesting and I never thought that I would see these up close at all.

ICE 419B Bandpass Filter Inside View
ICE 419B Bandpass Filter Inside View
ICE 419B Bandpass Filter Rear View
ICE 419B Bandpass Filter Rear View

But here they are, and as I have been told that these should be working and looking at the condition I can believe it, but I suppose that I should look just in case, it is not as if I have enough blummin projects on the go in this even getting smaller workshop.

ICE 419B Bandpass Filter Filter Layout
ICE 419B Bandpass Filter Filter Layout

The Measurements

OK I actually cheated here, Tobias Wellnitz (DH1TW) seems to be the only person that I can find that did a really good review of these Band Pass Filters, and I just copied the screenshots from his Spectrum Analyzer, I will update these later with some nice High-Resolution images, but I kind of gave mine away to a good source and therefore I am at present without one, so for not these will have to do, but anyway please check out his sight at the link above.

160 Meters

 

160m

80 Meters

80m

40 Meters

80m

20 Meters

20m

15 Meters

15m

10 Meters

10m

What I desperately would like.

A Manual, or whatever this was sold with, I take it there was a schematic, and maybe a best uses guide, but if anyone has one of these hidden away I would love to get hold of a copy and I would be very grateful.

Last Updated : 8th February 2024

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