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Heath-Zenith (Heathkit) Frequency Counter Model SM-2420
Eliot Ness
Phorum Expert
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Posts: 3,135
Threads: 54
Joined: Apr 2011
City: Lexington, KY
#26

05-12-2020, 08:28 AM
I guess you have a couple of options. The first is to order the cable and a couple of 2mm banana plugs and swap them out.

The second is to order a couple of adapters. I did a search on "4mm to 2mm banana plug adapter" and got some hits... eBay probably has a ton but because of possible shipping delays I'd stay away from Chinese vendors.

I guess a third option is to search for "BNC to 2MM banana plug.".

I just thought of a 4th option. Change the 2mm banana female connector to the more common 4mm female connector.
John KK4ZLF
Lexington, KY
"illegitimis non carborundum"
(This post was last modified: 05-12-2020, 08:44 AM by Eliot Ness. Edit Reason: Added option... )
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RE: Heath-Zenith (Heathkit) Frequency Counter Model SM-2420 - by Eliot Ness - 05-12-2020, 08:28 AM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Test Equipment