[Elecraft] How to determine K3 filter type - 5-pole or 8-pole

[Ron D'Eau Claire]

Look at the filter. If it has a collection of individual "cans" mounted on a
board, it's a 5-pole. Eight pole filters are in a single rectangular can. 

You can see photos of them here:

http://www.elecraft.com/manual/K3%20Crystal%20Filter%20Option%20Rev%20A.pdf

See Figure 1 on page 5. 

73,Ron AC7AC

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Mike Flowers
Sent: Friday, June 21, 2013 12:54 PM
To: elecraft at mailman.qth.net
Subject: [Elecraft] How to determine K3 filter type - 5-pole or 8-pole

Hi Gang,

I recently bought a used K3 which has filters installed in both the main and
sub receivers.

Is there an external way of determining if these filters are 5-pole or
8-pole?

Is the value of FLx FRQ for each filter a clue?

Thanks for your assistance!
*

73 de Mike, K6MKF
*
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