- JJ 12AT7/ECC81 Slovakia...Sweetwater$24.99
- Telescopic Vacuum Tube ...Central Vacuum Online$15.74
- JJ 12AX7/ECC83 Slovakia...Sweetwater$18.99
- TV Radio Vacuum Tubes...Etsy$48.00
- Pair Of JJ 6V6S Power ...Amazon.com$55.04
- JJ GZ34 / 5AR4 Slovakia...Sweetwater$32.99
- Electro-Harmonix 5U4GB ...Amazon.com$27.74
- Mullard 12AX7 Russian...Sweetwater$21.99
- RCA 8000 Vacuum Tube -...Etsy$175.00
- Dynabrade 57842 Vacuum ...Zoro.com$41.69
- Admiral Vacuum Tube "6V3"...Etsy$20.00$40.00
- 4 Vintage Vacuum TubesEtsy$3.50
- Vintage Vacuum Tube -...Etsy$49.00
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A vacuum tube consists of two or more electrodes in a vacuum inside an airtight envelope. Most tubes have glass envelopes with a glass-to-metal seal based on kovar sealable borosilicate glasses, although ceramic and metal envelopes (atop insulating bases) have been used.
Western Electric Export Corporation (or simply Western Electric) is a manufacturer of vacuum tubes and high end audio gear. Based in Rossville, Georgia, the company builds an ultra-premium version of the 300B electron tube. It traces its roots to 1872 with the Bell Telephone Company and the original Western Electric.
12AX7 (also known as ECC83 [1]) is a miniature dual- triode 6AV6 vacuum tube with high voltage gain. Developed around 1946 by RCA engineers [2] in Camden, New Jersey, under developmental number A-4522, it was released for public sale under the 12AX7 identifier on September 15, 1947.
All American Five. The term All American Five (abbreviated AA5) is a colloquial name for mass-produced, superheterodyne radio receivers that used five vacuum tubes in their design. These radio sets were designed to receive amplitude modulation (AM) broadcasts in the medium wave band, and were manufactured in the United States from the mid-1930s ...
A triode is an electronic amplifying vacuum tube (or thermionic valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate ( anode ). Developed from Lee De Forest 's 1906 Audion, a partial vacuum tube that added a grid electrode to the thermionic diode ( Fleming ...
Sovtek is a brand of vacuum tube owned by Mike Matthews's New Sensor Corporation and manufactured in Saratov, Russia. They are often used in guitar amplification and include versions of the popular 12AX7, EL84, EL34, and 6L6 vacuum tubes.