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5670

  1. J

    Consistently faulty preamp tubes?

    Hello, I have recently purchased a Dynavox TPR-3 pre-amp that uses 6n3 type tubes. However after purchasing now two sets of tubes and being sent a single replacement tube, three of the five tubes tested have been faulty after minor usage. The two cheap Chinese tubes the pre amp came with work...
    • jddonuts
    • Thread
    • 5670 6n3 6n3 compatible help preamp question tubes
    • Replies: 10
    • Forum: Tube Audio
  2. B

    Headphone amplifier - 5670(WE396A)+EL95 SE.

    Hello, It's my first attempt to build my own amplifier. I like the sound of my Philips AG9016, and EL95 so i've found project with tubes: 5670+EL95 - look at attached pictures. And it's time to ask you, more experienced: 1) can i use one choke 2H/175Ohm for both channels, or it should be one...
    • bendzik
    • Thread
    • 5670 el95
    • Replies: 3
    • Forum: DIY
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