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About aggers

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Wigwam Info

  • Digital Source 1
    Tidal, Volumio
  • Digital Source 2
    RPi Allo Signiture
  • DAC
    Chord Hugo 2
  • Power Amp/s
    Quad 405-2
  • My Speakers
    Quad ESL63
  • Trade Status
    I am not in the Hi-Fi trade

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  1. aggers

    Subwoofer Integration with a miniDSP 2x4 HD

    Sent from my SM-G935F using Tapatalk
  2. aggers

    New MCH USb Streamer from MiniDSP

    Thanks for posting this! This looks an interesting interface board. I'm considering using a minidsp 4x2 HD as an active filter but the only digital output is I2S which is a problem as I wanted to use an external DAC rather than the built in one. This may be the answer: I believe that as long as the cables are kept very short from the 4x2, the interface should work, although I must admit I'm not sure if that is correct as I've no experience of I2S. I'll look at the data sheets to see if I can understand more. Sent from my SM-G935F using Tapatalk
  3. It was late one night so I was listening on headphones and switched off my ESL-63 and 405 power amp (or so I thought). Much later when I took the headphones off I realised that the left speaker only had been powered off so lowish level music had been going through it for half an hour or so. The next day to my horror revealed the awful truth: the left channel was completely silent- the minus volt fuse had blown and a replacement immediately blew again but fortunately the speaker was unaffected. As I had worked on the 405 before, I managed to locate the dead component, one of the MJ15003G power transistors (see photo) had melted inside and caused an emitter to collector short circuit. No other component had failed although a resistor needs replacing as it looks a bit cooked. So a cheap £6.15 fix, but not if it has to go to the repair shop. I hadn't really appreciated that the ESL presents a short circuit to the amp when the mains power is absent! So everyone beware although I believe that if there is no power is present for just a few seconds, it won't matter, but please don't try to find out. I've had the ESL63s for a few years so you have to be a bit careless to do this. I hope that my tale is a warning to be careful to other electrostatic speaker owners.
  4. Hi John, That's very kind and helpful to loan me the cables when Gary has assessed them- I'm not in a massive hurry at all. I'll PM to you my address. Thanks Ian
  5. Thank you for the detailed comparisons between the 3 cables which your group listened to and for some hours it would seem. I read Sanders report and it did make sense to have a coaxial type cable for electrostatics and I suspect that speaker cables are mainly designed to be used with the different electrical characteristics of electrodynamic (cone) speakers which are probably more than 95% of the hifi market. However, as you said they are quite a bit less expensive than the True Silver and Mapleshades cables. I'll certainly consider them for a future upgrade especially as they seem to have a treble quality similar to the others but they are in my sort of price bracket (£100-£200)
  6. Thanks John. Looking forward to what you find out. Sent from my SM-G935F using Tapatalk
  7. I assume that Sanders paper is on the speaker coax cable. The Amazon cable is identical to the one that I showed: type W3082. I could not find any twin core type with the same part number.
  8. aggers

    Qobuz Streaming Quality

    I've just noticed that the last track on this album, closest thing to heaven is only a 30 sec long and mp3 . Maybe the whole album was ripped at MP3 quality?? Just a thought...
  9. aggers

    Qobuz Streaming Quality

    I have both Tidal an Qobuz on free trails but I haven't compared the 2 until now and I'm must admit that there is a big difference between the 2 streams with Tidal having a lot more detail in the track "Sowing the Seeds of Love". I use Volumio as user interface so I can add both Qobuz and Tidal into the same playlist- you can do an immediate A-B comparison. Its not good news if it is an up conversion from MP3 although the stream shows as 44.1kHz/ 16 bit. I was going to stay with Qobuz but I'm not sure now. I must admit that I hadn't heard anything obviously with poor SQ, although some tracks are either only available for 30 seconds or greyed out in the list, presumable because of licencing restrictions. It would be interesting if others have noticed the SQ difference of certain tracks ...
  10. Thanks for the info, I hadn't realised that. Sent from my SM-G935F using Tapatalk
  11. Hi my first post on this owner's forum. I have ESL63s that still have the original 1985 boards so I feel that they need an update as well as change the equally old cables. I saw the link to Sanders technical paper which I thought made a lot of sense regarding the different load that electrostatics are compared to conventional speakers. I may give the cables a try especially as I've found a supplier who sells the cable by the metre- 4.25 Euros a metre which I feel is a fairly cheap option if you are happy with using heat shrink (use your old connectors!). Here's the link: After hearing good reports about One Thing, I've ordered some boards which I'll change before looking at cables. I'll report on the results next week. Thanks
  12. aggers

    Bake off March 23rd in TN8

    Great pictures, thanks. Can I please add that it was a very enjoyable 1st bake off for me. It was great to put a face to many wammers and good to catch up again with other Keggies. Many thanks to Graham and Mrs O for the splendid hospitality and I, yes, I did enjoy the Victoria sponge. I'm going to think carefully about room EQ, and so thanks to Graham for the chat about MiniDSP and all manor of other stuff. Hope to see you all again soon. Ian Sent from my SM-G935F using Tapatalk
  13. aggers

    Rasberry Pi Streaming

    Thanks Fred, I'll certainly talk to Eddie when I start the sub project. I have a Genelec sub that I picked up at an auction which I may use. It's well thought of in the pro audio field but possibly not a common name on this forum. I'll look at some sort of active filter in coming weeks. Sent from my SM-G935F using Tapatalk
  14. aggers

    Rasberry Pi Streaming

    I think that speaker position in the room has been largely forgotten with the availability of much more affordable DSP and the idea that the DSP can "fix" the problem. Although its time consuming to move the listening chair and speakers about, IMO its a better way to compensate for room acoustics by not putting your ears or the speakers in a poor location in the first place. After all, it's physics why certain frequencies are boosted or reduced around the room and IMO DSP should be used (sparingly) only afterwards. I'm only talking about DSP in your listening room of course; professional sound engineers have to use DSP to compensate the venue as they can't move anything and need to get set up quickly.
  15. aggers

    Rasberry Pi Streaming

    Hi Fred. It sounds like a very interesting subject that you have chosen for your PhD with implications for the hifi world as well of course. I'm convinced that if a clock is unstable in part of the system then no matter what further processing or better quality equipment is later used, the damage to the digital audio is done and can't be recovered. I was impressed with the jitter figures for the Allo which is one reason why I chose it. I wish you all the best for such an interesting project. As regards about overdriving the ESLs, I'm considering a sub woofer project with them which should take some of the low end power away. That's for a future Kegworth! Ian