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Re: [Amps] Amps Digest, Vol 212, Issue 1

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Subject: Re: [Amps] Amps Digest, Vol 212, Issue 1
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Date: Sat, 1 Aug 2020 09:40:15 -0700
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Hi Mike!
Yes - in my experience that is about what you can expect from a used SB220/221. 
 New tubes might help a bit on 10M. The power supply is pretty marginal.  There 
are things you can do to help it (Harbach) and many articles about it - a 
better transformer would help - but most likely won't fit in the case.  I have 
a power supply you can have if you pick it up (😊)  Its about the size of R2D2.  
Better off with a better amp.

David B. Ritchie, W6DR

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