O OTK Member Joined 2016 2024-08-26 8:58 am #1 2024-08-26 8:58 am #1 Greetings to everyone here. I am from Czechia, my hobby is collecting and repairing highend vintage audio gear. krivium Member Joined 2009 2024-08-26 10:06 am #2 2024-08-26 10:06 am #2 Welcome aboard OTK! OTK... i think i've got a bunch of tubes stamped with the acronym. 😉 O OTK Member Joined 2016 2024-08-26 10:09 am #3 2024-08-26 10:09 am #3 this means that tube has been inspected before left the factory. In Czech language: Osvedceni Technicke Kontroly - OTK. 🙂 You must log in or register to reply here. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
Greetings to everyone here. I am from Czechia, my hobby is collecting and repairing highend vintage audio gear.
krivium Member Joined 2009 2024-08-26 10:06 am #2 2024-08-26 10:06 am #2 Welcome aboard OTK! OTK... i think i've got a bunch of tubes stamped with the acronym. 😉 O OTK Member Joined 2016 2024-08-26 10:09 am #3 2024-08-26 10:09 am #3 this means that tube has been inspected before left the factory. In Czech language: Osvedceni Technicke Kontroly - OTK. 🙂 You must log in or register to reply here.
O OTK Member Joined 2016 2024-08-26 10:09 am #3 2024-08-26 10:09 am #3 this means that tube has been inspected before left the factory. In Czech language: Osvedceni Technicke Kontroly - OTK. 🙂
this means that tube has been inspected before left the factory. In Czech language: Osvedceni Technicke Kontroly - OTK. 🙂
