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Dear customer / Vážený zákazník,

we would like to inform you, that due to the current situation concerning the COVID-19 pandemic, we will be able to deliver our items only to the following countries: Slovakia, Czech republic, Belarus, Estonia, Finland, Canada, Latvia, Lithuania, Germany, Austria, Slovenia, United States and Ukraine. Effective Thursday, March 26, 2020, until further notice. We are very sorry for this unfortunate situation and wish you all the best in the upcoming days.

z dôvodu pandémie COVID-19 vieme zabezpečiť doručovanie zásielok len do nasledujúcich krajín: Slovensko, Česká republika, Bielorusko, Estónsko, Fínsko, Kanada, Litva, Lotyšsko, Nemecko, Rakúsko, Slovinsko, Spojené štáty americké (U.S.A) a Ukrajina. S platnosťou od 26.3.2020 až do odvolania. Vzniknutá situácia nás veľmi mrzí a držíme Vám všetkým palce a prajeme veľa síl do nadchádzajúcich dní.

Best regards / S pozdravom RETROSTORE.EU
heptode - triode ECH21 - (NIB)

ECH21 Telam is a heptode - triode tube with indirectly heated oxide cathode. Both systems are working separately, cathode is common for both of the systems. Heptode may be used as a mixer, hf or lf amplifier. Triodes like oscillator or lf amplifier. ECH21 was a part of many old radio receivers (for example Tesla Riava, Signal, 506A Arie, 619A Dalibor, 620A, 623A Máj, 621A Opera and many others). Tubes are unused. Tested on BM215A tube tester.

(we reserve the right to change the description and specifications without prior notice)