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

[manualman at juno.com]

RF Parts:
https://www.rfparts.com/tubes/tubes-572b.html

Pete, wa2cwa

On Mon, 4 Jul 2016 14:15:26 -0400 Howard Weinstein <wa3mck at gmail.com>
writes:
> 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