Noel,
Please see this page for lots of links to both retrofits and homebrew amps using the GI-7B including one in progress by Bob,VK3ZL: <>
73, Tony W4ZT
vk4hr wrote:
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First post from a new member and already asking questions.
Has anyone had any experiences "good or bad" with the Russian GI7B tubes. Just chasing information for a club project a "single band amp" for possibly 40 or 20. Noel
VK4HR
