ECH81 Frequency Converter Mug
Designed for old radio fans. Every purchase will support the blog.

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ECH81 Frequency Converter Mug
Designed for old radio fans. Every purchase will support the blog.
Tandberg Sølvsuper 6 FM de Luxe (Norway, 1954)
Bands: Broadcast (BC), Long Wave (LW), 2 x SW and FM or UHF Tubes: ECC85 ECH81 EF85 EABC80 EM80 EL84
Source: https://digitaltmuseum.no/021066832147/tandberg-solvsuper-6-fm-de-luxe-radio
Amron Type 462 Nitzan (Israel, 1950-60s)
Tubes: ECH81 EBF80 ECL82 EZ80
Source: carsforum.co.il