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  1. robolton

    WE 421a - Black Plates from 1967 | WE 5998/421a - Grey Plates from 1954 | Chatham 5998 from 1960 | Tung-Sol 5998 from 1966

    Been searching and acquiring the following: 421a, 422a, 5998, 6080, 6AS7G, A1834, CV2984 and 7236. 1st up are the different 5998/421a, only now missing the Tung-Sol 5998 with White Lettering, on the way and the Chatham 2399 with Yellow Lettering, it's kind of like Bigfoot, heard about it and...
  2. robolton

    GEC KT-88 - early 1960's | Tung-Sol 6550 - late 1950's | Brimar CV1985 6SL7GTY - June 1955

    These just landed this week and wanted to share with you. G.E.C. KT88 - early 1960s Tung-Sol 6550 nickel collar around brownbase, smooth black plates, 1st Gen late 1950s Brimar CV1985 6SL7GTY - June 1955
  3. robolton

    United Electronics Company | USAF-596 | Date 1957

    Just got two of these in for the collection ... Base: UX-Base (4 Pins (2 thick, USA 1924, UX) 2 Top contacts. Filament: Vf 5 Volts / If 3 Ampere / Direct / Specified voltage AND current AC/DC Description: High-rel, high altitude (60000ft) version of 1641, full wave rectifier. 2.3KV PIV, 275mA...
  4. robolton

    NEVZ 6N76P with Gold Pins and OTK Military Markings - 1979 | RCA USN-CRC 5963 - 1960 | La Radiotechnique 12AU7WA - 1962 | Telefunken ECC82 - 1960

    Hello, Just going through the NOS Tube Collection and wanted to share with the members the following > NEVZ 6N76P with Gold Pins and OTK Military Markings - 1979 | RCA USN-CRC 5963 - 1960 | La Radiotechnique 12AU7WA - 1962 | Telefunken ECC82 - 1960 Be on the lookout for others coming in...
  5. robolton

    RCA 6SN7GT Brown Base 1951 | RCA 6SN7GT Black Base Grey Glass 1951 | Swedish Military Crown Stamped on Base

    Thought I would share with the audience as I have never seen these before, just had to add them to my collection. Also having a hard time finding any reference to these tubes.
  6. robolton

    Philips Miniwatt GZ34 Metal Base made in Holland with a Erik Akerlund & Ruben Rausing box

    Just picked this up > Philips Miniwatt GZ34 Metal Base made in Holland with Date Code TV2 57A, it was in a Akerlund & Rausing box. Has anyone seen this before? I have only seen this type of box from only one listing for a Standard Radio & Telefon AB (SRT) 22S22C tube.

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