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I restored, it, its now good on all bands, I also get 100 watts out. I made an upgrade trick by putting in 12v final tubes. to get full power. at 1/5th costs of stock tubes. I got exactly what i expected, for a 48 year old gear. do not buy high voltage gear unless your read how to handle 800vdc.
Verified purchase: Yes
I collect Heathkit ham radio equipment and have a exclusive Heathkit ham station. The SB-401 was an excellent addition to the collection. Works very well and has the proper RF output.
Verified purchase: Yes | Condition: Pre-owned
Received it a day ahead of estimate. This is a part of a restoration project. It will be a while before I "turn it on". It is EXACTLY what I expected!
Verified purchase: Yes