| Brand | Heathkit |
|---|---|
| Model | SB-220 |
| Type | Linear Amplifier |
| Band | HF |
| Supported Modes | AM, CW, FM, SSB |
| MPN | 258-115, 71-2 |
| Compatible Product | SB-220 |
| Country of Origin | United States |
Check the listing for details. Heathkit SB-220 SB-221 HF Amplifier HV Kill Switch Interlock Assembly. Condition: Used, Made in United States. Listed at 14.50 USD. HEATHKIT SB-220 SB-221 HF Amplifier. Heathkit Part Numbers 71-2, 258-115, Parts list #38 & 97. HV Kill Switch with porcelain insulator, aka Interlock. The condition of this amplifier part is as follows.