[Hallicrafters] Hallicrafters 465 khz crystal substitute?

[Rich Oliver]

You can always check it by plugging it into your grid dip meter to see 
where it oscillates.
 Note that:

           25100 kc / (2 X 3 X 3 X 3) = 464.81 kc

so that is likely the fundamental frequency of the Channel 51 crystal.

-Rich, KC9GQ

Ken Haydu wrote:

>I have twice run into a crystal marked "Channel 51  25.1 MC" in the crystal filter socket for the SX-17 and SX-16,  which have an IF of 465 khz.  
>
>I am wondering what type radio  this crystal may have been intended for,  and is it indeed a 465 khz crystal?
>
>Thanks for any information,
>
>Ken
>
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