sb220

sb220

Radio Equipment : HF Amplifiers : Heathkit SB-200

• Improving The Heathkit SB-200
  
  A QST article, hints and kinks on improving the SB-200 amplifier
  [ Hits: 2757 | Votes: 1 | Rating: 1 ]

• Heathkit SB-220
  
  The Heathkit SB 220 two 3 500Z amplifier made a notable impact in the world ...
  [ Hits: 3825 | Votes: 2 | Rating: 5.5 ]
• SB 220 modification
  
  IV3GFN modification and restore of an HeathkitSB220
  [ Hits: 1039 | Votes: 1 | Rating: 8 ]
• SB220 refurbish
  
  Heathkit SB220 refurbishing by PA5CA
  [ Hits: 653 | Votes: 1 | Rating: 10 ]

• SB220 SB221 arcing problems improvements mods
  
  This article explores the claim an amplifier might arc from a parasitic oscillation damaging capacitors ...
  [ Hits: 1309 | Votes: 2 | Rating: 10 ]