[Boatanchors] WTB: 572B Tubes for Heathkit SB-200

Howard Weinstein wa3mck at gmail.com
Mon Jul 4 14:15:26 EDT 2016

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Thermatron Enthusiasts:

Where can I purchase quality 572B's?

My Amplifier has the original Cetron tubes and I want to procure two spares.

Thank you

Howie WA3MCK

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