- 2 kW HF Amplifier Rebuild
Heathkit SB-220 amplifier repaired at W8UM
[ Hits: 7642 | Votes: 6 | Rating: 5.17 ]
- 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 ]
- Heathkit SB-220 Meter Repair
Repairt a Heathkit SB-220 Linear Amplifier with a bad Plate Voltage meter
[ Hits: 1001 | Votes: 1 | Rating: 10 ]
- QSK for the TL-922 and SB-220 mods
Beautifully constructed amplifiers Unfortunately are not suited for high speed T R switching a necessary ...
[ Hits: 2980 | Votes: 7 | Rating: 8.57 ]
- SB 220 modification
IV3GFN modification and restore of an HeathkitSB220
[ Hits: 1039 | Votes: 1 | Rating: 8 ]
- SB-220 Mods
Heathkit SB-220 Amplifier modification by KE5YA
[ Hits: 988 | Votes: 0 | Rating: 0 ]
- SB-220 Repairs and Modifications
Heathkit SB 220 mods replacing the Zener ZD1 replacing the plate voltage voltage divider adding ...
[ Hits: 912 | Votes: 1 | Rating: 10 ]
- SB220 refurbish
Heathkit SB220 refurbishing by PA5CA
[ Hits: 653 | Votes: 1 | Rating: 10 ]