7A8 Octode Converter Tube. Designed to perform the combined functions of the oscillator and mixer in superheterodyne receivers. MFR: Sylvania. SKU: 7A8. New old stock. No longer available for export.
Woo Audio's new portable headphone tube amplifier and digital analog c - The Source AV
Converter Tube | Box Mod by Ambition Mods | inTaste
Ambition Mods Converter Tube Mod - Obsession Vape Store Egypt