![Win This Heathkit AA-1219 Amplifier! • P3: About The Build • Testing Components • Bench Tests • Demo - YouTube Win This Heathkit AA-1219 Amplifier! • P3: About The Build • Testing Components • Bench Tests • Demo - YouTube](https://i.ytimg.com/vi/gGzUWe4o9Tc/maxresdefault.jpg)
Win This Heathkit AA-1219 Amplifier! • P3: About The Build • Testing Components • Bench Tests • Demo - YouTube
![Just found this beauty in a storage unit, but I don't know anything about radios or amplifiers. It's a Heathkit SB-220. If anybody has some cool information on it or know how Just found this beauty in a storage unit, but I don't know anything about radios or amplifiers. It's a Heathkit SB-220. If anybody has some cool information on it or know how](https://i.redd.it/o77701rkp6l71.jpg)
Just found this beauty in a storage unit, but I don't know anything about radios or amplifiers. It's a Heathkit SB-220. If anybody has some cool information on it or know how
![File:Vintage Heathkit Amplifier, Model EA-3, 6 Vacuum Tubes, Metal Cabinet, Made In USA, Circa 1957 (36251803695).jpg - Wikimedia Commons File:Vintage Heathkit Amplifier, Model EA-3, 6 Vacuum Tubes, Metal Cabinet, Made In USA, Circa 1957 (36251803695).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/4/49/Vintage_Heathkit_Amplifier%2C_Model_EA-3%2C_6_Vacuum_Tubes%2C_Metal_Cabinet%2C_Made_In_USA%2C_Circa_1957_%2836251803695%29.jpg)