Johnson Viking 6N2 “Thunderbolt” Amplifier

[kg6hmn]

For sale a  Johnson Viking 6N2 -$500

What it is

• This unit was built by E. F. Johnson Company (Waseca, MN) for amateur‐radio VHF use, in particular the 6 m (≈50 MHz) and 2 m (≈145 MHz) bands. Radiomuseum+2RigPix+2

• It is a tube-based linear amplifier (meaning it amplifies RF power) rather than just an audio amplifier.

• The “Thunderbolt” name appears in some references for this model. RigPix+1

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📊 Key specifications

From the sources:

• Official specification: Output about 50 W AM, 80 W CW for 6 m/2 m use. Radiomuseum

• Another source: “Max 600 W” output claimed for 6 m/2 m band. RigPix

• Required power supplies: 6.3 V filament (3.5 A), 300 V DC at 75 mA, and 400-750 V DC at about 200 mA. Radiomuseum+1

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Gabriel De kg6hmn

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