Heathkit SB-220

Heathkit SB-220 and SB-221

Heathkit SB-220 amplifier repaired at W8UM

Hits: 7678 | Votes: 6 | Rating: 5.17

The Heathkit SB 220 two 3 500Z amplifier made a notable impact in the world ...

Hits: 3837 | Votes: 2 | Rating: 5.5

Repairt a Heathkit SB-220 Linear Amplifier with a bad Plate Voltage meter

Hits: 1008 | Votes: 1 | Rating: 10

Beautifully constructed amplifiers Unfortunately are not suited for high speed T R switching a necessary ...

Hits: 2990 | Votes: 7 | Rating: 8.57

IV3GFN modification and restore of an HeathkitSB220

Hits: 1049 | Votes: 1 | Rating: 8

Heathkit SB-220 Amplifier modification by KE5YA

Heathkit SB 220 mods replacing the Zener ZD1 replacing the plate voltage voltage divider adding ...

Hits: 919 | Votes: 1 | Rating: 10

Heathkit SB220 refurbishing by PA5CA

Hits: 656 | Votes: 1 | Rating: 10

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