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Ray Tubes Inc. Press Releases

  • Published on September 3, 2025 - 18:38 GMT

    Ray Tubes Launches SELECT 2A3 Vacuum Tubes

    Vacuum tube company expands line-up with new-production 2A3 vacuum tubes in its SELECT Collection OAKLAND, CA, UNITED STATES, September 3, 2025 /⁨EINPresswire.com⁩/ -- Ray Tubes is pleased to announce that SELECT 2A3 vacuum tubes are now available from its global network of retail partners. The 2A3 was introduced by RCA in the 1930s for use in large radios, public address systems, and early hi-fi setups. Despite its notoriously complex filament, the 2A3 saw widespread use in military applications and in …

    Distribution channels: Companies, Consumer Goods ...
  • Published on August 26, 2025 - 20:22 GMT

    Ray Tubes Launches SELECT 6SL7 Vacuum Tubes

    Vacuum tube company expands line-up with new-production 6SL7 vacuum tubes in its SELECT Collection OAKLAND, CA, UNITED STATES, August 26, 2025 /⁨EINPresswire.com⁩/ -- Ray Tubes is pleased to announce that SELECT 6SL7 vacuum tubes are now available from its global network of retail partners. The 6SL7 is a high-mu variant of the more common 6SN7. Like many tubes, it was used extensively for military purposes during World War II, but slowly fell out of use in the following decades. Starting in the 1970s, …

    Distribution channels: Companies, Consumer Goods ...
  • Published on August 20, 2025 - 20:22 GMT

    Ray Tubes Launches SELECT 5U4 Vacuum Tubes

    Vacuum tube company expands line-up with new-production 5U4 rectifier tubes in its SELECT Collection OAKLAND, CA, UNITED STATES, August 20, 2025 /⁨EINPresswire.com⁩/ -- Ray Tubes is pleased to announce that SELECT 5U4 vacuum tubes are now available from its global network of retail partners. The 5U4 is a common full-wave rectifier tube used in power supplies to convert alternating current to direct current. Its twin-diode design uses a shared cathode and two anodes to convert both halves of the AC cycle …

    Distribution channels: Companies, Consumer Goods ...
  • Published on July 30, 2025 - 04:38 GMT

    Ray Tubes Launches SELECT 12AU7 and CORE 12AU7 Vacuum Tubes

    Vacuum tube company expands line-up with new-production 12AU7 tubes in both its CORE and SELECT Collections OAKLAND, CA, UNITED STATES, July 30, 2025 /⁨EINPresswire.com⁩/ -- Ray Tubes is pleased to announce that SELECT 12AU7 and CORE 12AU7 vacuum tubes are now available from its global network of retail partners. Introduced in 1946, the 12AU7 was the world’s first noval (nine-pin) vacuum tube. The 12AU7 is a double triode, consisting of two 6C4 tubes in a single envelope. Before the advent of solid- …

    Distribution channels: Companies, Consumer Goods ...
  • Published on July 22, 2025 - 20:58 GMT

    Ray Tubes Launches RESERVE 6SN7 and SELECT 6SN7 Vacuum Tubes

    Vacuum tube company expands line-up with new-production 6SN7 tubes in both its SELECT and RESERVE Collections OAKLAND, CA, UNITED STATES, July 22, 2025 /⁨EINPresswire.com⁩/ -- Ray Tubes is pleased to announce that RESERVE 6SN7 and SELECT 6SN7 vacuum tubes are now available from its global network of retail partners. RESERVE 6SN7 vacuum tubes are also available as an upgrade option when purchasing compatible Spatial Audio Lab and Linear Tube Audio amplifiers. Because of their high power dissipation, low …

    Distribution channels: Companies, Consumer Goods ...
  • Published on July 17, 2025 - 18:55 GMT

    Ray Tubes Heading to London’s Rhythm & Taste Festival

    Vacuum tube brand will be among the audio brands featured in the Vinyl Lounge listening space in London’s Greenwich Peninsula OAKLAND, CA, UNITED STATES, July 17, 2025 /⁨EINPresswire.com⁩/ -- Alongside industry heavyweights like McIntosh, KORG, and Western Electric, Ray Tubes will be one of the audio brands powering the Vinyl Lounge listening space at the Rhythm & Taste Festival in London. The Vinyl Lounge is a listening space built by CONGREGATION and inspired by Japan’s kissa jazz bars. In …

    Distribution channels: Consumer Goods, Culture, Society & Lifestyle ...
  • Published on July 9, 2025 - 20:57 GMT

    Ray Tubes Launches Vacuum Tubes Designed for Hi-fi Audio

    New-production vacuum tubes aim to revitalize audiophile tube market with industry-challenging quality control OAKLAND, CA, UNITED STATES, July 9, 2025 /⁨EINPresswire.com⁩/ -- Ray Tubes is pleased to announce that its new-production vacuum tubes are now available through its network of retail partners. Partnering with manufacturing partners around the world, Ray Tubes seeks to defy conventional wisdom that new-production tubes cannot match the performance of so-called New Old Stock. “New Old Stock is …

    Distribution channels: Companies, Consumer Goods ...
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Ray Tubes Inc.

Oakland, California,
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Based in Oakland, CA, Ray Tubes specializes in new-production vacuum tubes for the audiophile industry. Through its network of retail and brand partners, Ray Tubes’ mission is to supply the industry with easily accessible tubes designed and tested specifically for audio applications. Many of the most common vacuum tubes, including the 12AU7, 12AX7, EL34, 6SN7, KT88, and 300B are available now.

Ray Tubes Inc.