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otl

  1. M

    OTL Amplifier DIY Project

    Dear All, I recently got an OTL kit-based tube amplifier I am not able to figure out which tube will be used on power section however pre stage is working with 12ax7. I tried using EL34 on power section, but it was not working it means some other tube will be used. Original pictures are...
    • Musa Zahid
    • Thread
    • @diy otl valve amp
    • Replies: 5
    • Forum: DIY
  2. Kasanay

    First Power-up in 55 Years - Need Advice

    I am making arrangements to acquire a pair of OTL amplifiers that were build in the early '60s. I should have my hands on them within a couple of weeks. These amps have been sitting on a shelf sense (at least) 1986 and maybe much longer than that. In fact, there is a possibility that these have...
    • Kasanay
    • Thread
    • 12b4a futterman h1 mirko paneyko mp engineering otl
    • Replies: 126
    • Forum: Tube Audio
  3. OTL amplifier with Telefunken EL803s and CCa / E88CC / ECC88 / 6DJ8

    OTL amplifier with Telefunken EL803s and CCa / E88CC / ECC88 / 6DJ8

    OTL amplifier with Telefunken EL803s and CCa / E88CC / ECC88 / 6DJ8
    • radiostar
    • Media item
    • 6dj8 amplifier and cca e88cc ecc88 el803s otl telefunken with
    • Comments: 0
    • Category: DIY
  4. OTL with Telefunken EL803s and CCa

    OTL with Telefunken EL803s and CCa

    OTL amplifier with Telefunken EL803s and CCa / E88CC / ECC88 / 6DJ8
    • radiostar
    • Media item
    • 6dj8 amplifier and cca e88cc ecc88 el803s otl telefunken with
    • Comments: 0
    • Category: DIY
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