U20106 Used Heathkit SB-221 2KW Linear Amplifier with weak Tubes

U20106 Used Heathkit SB-221 2KW Linear Amplifier

Up for sale is a classic vintage Heathkit SB-221 2kW Linear Amplifier. A legendary piece of amateur radio equipment, this unit offers high-power performance and classic Heathkit styling. Includes an original printed Heathkit Assembly/Operating Manual.

Condition Notes:

• Faceplate: Shows a noticeable scratch running diagonally across the left side.

• Cabinet & Casing: Overall good cosmetic condition with expected signs of age, wear, and light scuffing typical for vintage gear.

• Knobs & Controls: Intact with normal finish wear on the metallic centers.

• Rear Panel: Clean connections and original compliance label intact.

• High voltage is good. It powers on fine but it has low output. We are assuming the tubes are weak. We will warranty the amp but will not warranty the tubes

Key Features:

• Power: 2kW PEP SSB / CW Linear Amplifier capability.

• Front Panel Controls: TUNE, LOAD, BAND selector (80M–15M), SENSITIVITY, and Meter Selector (GRID, REL PWR, HV).

• Dual Meters: Dedicated meters for Plate Amperes and Plate Voltage / Relative Power / Grid.

• Rear Connections: RF Input, RF Output (SO-23P), ALC, Antenna Relay jack, and grounding stud.

• Extras: Includes original Heathkit manual.

Warranty:

Comes with our 90-Day Warranty on amplifier, No Warranty on the tubes

S/N: 08-46398

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