Harbach Six-Position Bandswitch for SB-220

[Richard A. (Tony) Stalls]

I'm in the process of attempting to restore and upgrade my now critically 
ill SB-220 amplifier to as close to "mint" (sic) condition as possible.  I 
intend installing all the Harbach upgrades at this point, that is unless 
someone convinces me otherwise, but their six-position band switch wafer 
has me stumped.  I asked Harbach's and their response was only that 
(quoting) "the information is available out on the web 
somewhere."  (What?!!!)  I'm guessing it's to add 160 meters, but someone 
told me they thought it's for adding 6 meters and another said it was for 
10 meters, although the SB-220 already has that, so that's not it.

If anybody here knows about this modification, I'd appreciate your sharing 
the information and/or where that place "on the web somewhere" is.  Thanks 
in advance, with apologies for the redundancy if this is one of those 
things that everybody here but me already knows.

73,
Tony
K4KYO 

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