NOS NIB Matched Sleeve (5) Amperex USA E810F / 7788 Vacuum Tubes - VIVA TUBES
E810F / 7788 / CV5809 Tubes HF EUROPE
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.
Amazon.com: E810F 7788 Mullard, Tubo de audio de pin dorado, Amplitrex probado : Industrial y Científico
E810F=7788 Philips Holland gold pins used/good 1962 and 1969 in white boxes
CV5809 = 7788 = E810F Special Quality High Slope Pentode