Posted on February 4, 2026 by nerfd FOR SALE: RF PARTS 3-500ZG Price: Not specified RF Parts 3-500ZG amplifier tube. Previously used in a SB220 amp. View listing Go to Source Share this: Share on X (Opens in new window) X Share on Reddit (Opens in new window) Reddit Share on Facebook (Opens in new window) Facebook Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Share on LinkedIn (Opens in new window) LinkedIn Share on Mastodon (Opens in new window) Mastodon Share on Threads (Opens in new window) Threads Share on Telegram (Opens in new window) Telegram Share on Bluesky (Opens in new window) Bluesky Email a link to a friend (Opens in new window) Email Amplifiers - Accessories, Classifieds
