darkvoice

  1. Dogen

    Tube OTL headphone amp: OK to run without a load?

    Is there any risk in running a signal through an OTL tubed headphone amp (DarkVoice 336se) with no headphones? I know it’s normally not a good idea, because it could damage the transformer. But there’s not one here. I’d like to do some quick comparisons between the headphone amp on my DAC and...
  2. Dogen

    Has anyone measured the effect (if any) of tube rolling?

    I’m very much enjoying my new DarkVoice 336se tube headphone amp, and part of the fun is rolling in different 6SN7s I have on hand with my Sennheiser 6xx cans. Perhaps it’s folly, but I do think I detect differences in sound depending on the tube. Ken-Rads tend to have deeper bass, RCAs are...
  3. Dogen

    DAC with digital volume control or adjustable gain and TOSLINK input?

    Can anyone recommend an inexpensive, well measuring DAC with these features? I’d like to reduce the gain going to my DarkVoice amp. Thanks!
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