7788/E810F Amperex Gold Pin Pentode Tube. Designed to operate as a wide band amplifier. New old stock. No longer available for export. MFR: Amperex. SKU: 7788.
148-7788: Tube Assembly | Cat® Parts Store
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MULLARD HOLLAND E810F 7788 D Getter Valve Tube Used (V23) EUR 11,60 - PicClick IT
7788 / E810F SQ GOLD PIN
E810F / 7788 Mullard NOS . Laboratorio Musicale
One Pair 7788 Tubes, By Amperes USA, Gold Pin | eBay