Recent content by Xcalibur255
  1. Xcalibur255

    L0rdGwyn's DIY Audio

    I wonder what the source of the small lift in 8th order harmonics is from?
  2. Xcalibur255

    1101 Audio custom crafted headphone amps

    I would think an EL34 would be somewhat less linear than a 6J5, but it might be very good for tone. It's funny I was just thinking before you bumped this thread that's it's been far too quiet in here. Time for a pic! I thought the way the evening sunlight was hitting the amp was pretty...
  3. Xcalibur255

    L0rdGwyn's DIY Audio

    I think people widely equate having more power with having superior dynamic qualities. Most people don't realize that the circuit and power supply design of the amplifier mostly determines this and it doesn't need to have a dumptruck load of power to have good dynamic swing. You can explain...
  4. Xcalibur255

    L0rdGwyn's DIY Audio

    Can't wait to see what tuning approach Zach takes with it then.
  5. Xcalibur255

    L0rdGwyn's DIY Audio

    Is this an original driver design, kind of like when MrSpeakers/DCA made the jump from Fostex modding to full design?
  6. Xcalibur255

    L0rdGwyn's DIY Audio

    By old skool you mean you're not using any modern silicon for power filter and regulating, but perhaps you've also come up with something more clever than the typical CLCLC filtering scheme?
  7. Xcalibur255

    L0rdGwyn's DIY Audio

    Before we can DIY this project we have to DIY our tools so we can DIY our parts? :P
  8. Xcalibur255

    The Reference 6J5 Thread (L63, 6C5, 12J5, 6P5, etc.)

    Every NOS driver and power tube I've used has gone through this transformation from thin and flat to full and melodious. Not always to the same degree or in the same period of time, but they all do it to some extent. In fact one of the ways I'm confident that a tube I've just bought is truly...
  9. Xcalibur255

    The Reference 6J5 Thread (L63, 6C5, 12J5, 6P5, etc.)

    That's what I was trying for, but that amp is long gone now anyway. It had grounding issues and when I sent it off for repairs I never got it back. :rolling_eyes:
  10. Xcalibur255

    The Reference 6J5 Thread (L63, 6C5, 12J5, 6P5, etc.)

    I'm sure towards the end demand for the 6J5 was very low and it made no sense to have dedicated tooling to make them so we get interesting things like this as a result.
  11. Xcalibur255

    ZMF Atrium - new open-back co-flagship

    Just a quick addendum: the stock coupling cap is a Solen on these amps. It's both very easy to get to in this amp and there is room around them for a larger replacement cap. Very simple and worthwhile upgrade on the HP8.
  12. Xcalibur255

    2359glenn | studio

    Very sad news. Whenever somebody stops coming around for a long time I'm always afraid it's something like this. Always heart-breaking for it to turn out to be the case. He was one of the founding members of this group and will be fondly remembered.
  13. Xcalibur255

    L0rdGwyn's DIY Audio

    I did eventually get my money back. After giving them 2 months to make things right and being completely ignored I finally filed a dispute with Paypal and the seller completely ignored THAT too it so it was decided in my favor by default. It's the first time I've had to do such a thing and...
  14. Xcalibur255

    L0rdGwyn's DIY Audio

    No NOS power tubes for me yet. The prices make my eyes water. I have NOS covered on the driver side for this amp (because it's mandatory there :P ) so I decided to be lazy and just buy power tubes the easy way. The KT66 are the new sensor Gold Lions. I think they're impressively well made...
  15. Xcalibur255

    ZMF Atrium - new open-back co-flagship

    I have a suggestion if I may: maybe the thing to do is to setup the specific product pages with a "Get To Know Your Wood" section that describes the wood species in detail just like you did here so people have an idea of just how much variability they might be in store for. Honestly I would...
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