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I returned to DIY electronics in 2009 after a 20 year pause by building a few kits to get in shape. This blog is for me to keep track of my progress.
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My systems

Posted 4th December 2011 at 11:41 AM by alexcp
Updated 12th May 2013 at 07:41 PM by alexcp

Someone pointed out that it's interesting to see all the components in a system, rather than discuss them individually. I liked the idea - I think it also shows what projects ended up actually useful - so here are my systems (I have four with diy components).

The music I listen to is an eclectic mix of classical music (such as Rachmaninov and Tchaikovsky), opera (mostly arias), jazz (Armstrong) and some pop music.

The first system is the one I listen to the most:
  • exposure 2010S CD player with Tentlabs low-jitter clock
  • B1 clone preamp
  • F5 clone
  • Vintage Celestion DITTON 15XR speakers

The second system is the testbed for whatever project I may be working on:
  • Audio Analogue Crescendo CD player
  • B1 clone preamp
  • Zen V4 with SiC power JFET in the gain stage
  • Klipsch Heresy III speakers

The third is the best sounding so far, has the highest WAF and is likely to stay around for some time:
The last is my first foray into vinyl and is likely to change:
Comparing the list above with the other entries in this blog, it is obvious that some - quite a few, actually - projects did not make it to the systems. Some of them are being modded, some have been discarded with parts re-used, but some are quietly sitting on shelves and waiting for their turn... What do you do with the projects you no longer need?
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« CD transport     Main     Zen V4, updated »
Total Comments 3


  1. Old Comment
    Do you still feel the same about the Elekit TU-879S integrated amp? I've built ss kits some years ago and want to restart my old hobby with a tube kit. I've seen kits from $200 to $2000 and am willing to spend a reasonable amount if I will end up with a worthwhile amp, actually very worthwhile is more honest.

    I'm struggling for a starting point and any and all suggestions are appreciated. (I also realize what a novice I am after reading many DYI Audio posts.)

    Posted 6th June 2012 at 11:34 PM by andya andya is offline
  2. Old Comment
    Have you tried the SED KT88 tubes in the tu-879S, and if so what was the result?

    Posted 8th June 2012 at 06:28 PM by andya andya is offline
  3. Old Comment
    alexcp's Avatar
    Originally Posted by andya
    Have you tried the SED KT88 tubes in the tu-879S, and if so what was the result?

    Sorry for the delay - I have been busy with other things...

    Yes, I still like the Elekit TU-879S. I did not try KT88s with it, although I did try EL34s and did not like them - I prefer 6L6GCs.

    My experience with tube kits is limited, but I feel that the more expensive kits do not necessarily give you better sound. I guess what is important is not the price but the topology, the tubes, the irons. For example, the Velleman K4040 I have built leaves a lot to be desired. Looking back, I would be better off paying the same money for a 2A3 based Loftin-White kit - if only I saw one back then.
    Posted 25th June 2012 at 03:06 PM by alexcp alexcp is offline
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