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Heathkit SB-220 and SB-221 essential mod Heathkit SB-220 : Radio Equipment/HF Amplifiers/Heathkit SB-220

Heathkit SB-220 and SB-221 essential mod

Modifications to avoid damage when 3-500Z tubes fail.

[ Hits: 3491 | Votes: 10 | Rating: 5.20 ]

Radio Equipment/HF Amplifiers/Heathkit SB-220 Heathkit SB-220 : Radio Equipment/HF Amplifiers/Heathkit SB-220

Heathkit SB-220 and SB-221 essential mod is listed on dxzone.com in 2 categories, main category is Heathkit SB-220 and SB-221 (Heathkit SB-220 and Heathkit SB-221). Listed in our web site since Thursday Sep 4 2008, received 3491 total hits.

Heathkit SB-220 and SB-221 essential mod received 10 votes for a total score of 5.20/10

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