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  1. JamieMcC

    Orgy of Capacitors: The Cap Thread

    The two most obvious advantages would be cost particularly if you need a large value say 100uf Space is the other big advantage true metal foil capacitors tend to be substantially larger than a metallised films fitting them in can prove a challenge. Cons sometimes you can get a smearing...
  2. JamieMcC

    Orgy of Capacitors: The Cap Thread

    When using a bypass capacitor you use a low uf bypass capacitor in parallel with the 2.2uf so the original ones stay in place and the bypass is added to them in addition. So you would have 2.21uf Edit it's important to make sure any new capacitors voltage rating is equal to or above that which...
  3. JamieMcC

    Crack;Bottlehead OTL

    Firstly I'm not able to compare the ACP+ directly to the Crack but have owned the Bottlehead Crack, Sex and Mainline and the original ACA which I used to drive my Hifiman HE6 paired with a Bottlehead Quickie (pre amp) with excellent results. I have always thought the ACA more comparable...
  4. JamieMcC

    Crack;Bottlehead OTL

    Congratulations on the build the ss plug in idea is inspired
  5. JamieMcC

    Rosson Audio Design RAD-0 - Alex's Beautiful New Baby

    John Darko has a couple of recent updates that mention Rosson on his site that might be of interest. I haven't had the time to read them yet myself but look forward to doing so later. https://darko.audio/
  6. JamieMcC

    dCS Bartok

    An interesting question which I've been thinking about as well. The feedback on the Dave thread on upgrading the power supply seems generally positive. Certainly feel going Dave to Rossini might be a better option than investing more money in upgrading a Dave. Feedback of the Rossini is pretty...
  7. JamieMcC

    CHORD ELECTRONICS DAVE

    Is any one using their Dave as a pre into a Nelson Pass F4 or Aleph J/J2? I've been thinking about building one or the other of these Nelson Pass Amps for a couple of years. The Aleph J seems a safe option. But very curious as how the Dave might get on with driving the F4. Cheers
  8. JamieMcC

    Bottlehead Amplifier Discussion / Comparison Thread: Crack, SEX & Mainline

    Think I was in a rush to solder them in before my kids got back from school and as I didnt have access to my manual they just went in. So it wouldn't be a surprise that the outer foil was not orientated correctly. I'll swap them round at some point.
  9. JamieMcC

    Bottlehead Amplifier Discussion / Comparison Thread: Crack, SEX & Mainline

    Hi Arlan good to hear your enjoying the Mainline. With the bypassing sometimes it works out other times not. The only certainty is you need to try to find out and that be fun in itself what ever the end result. I don't think my Duelunds will be coming out anytime soon. This hobby can get pretty...
  10. JamieMcC

    Bottlehead Amplifier Discussion / Comparison Thread: Crack, SEX & Mainline

    Unfortunately I'm not able to check my manual at the moment as the pc it's on is in need repair. Hopefully someone else can chime in or alternatively try the Bottlehead forum.
  11. JamieMcC

    Crack;Bottlehead OTL

    Pretty sure I've owned at least six variations of the 5998 tubes with differing internals they all have sounded similar sonically. The exception being the early Tungsol 5998 clear top variant (1950's) which to me most definitely had a different sonic character. I also have several WE421a and...
  12. JamieMcC

    Orgy of Capacitors: The Cap Thread

    Yes sorry the 0.01 Duelund JDM bypass capacitors. I've never been to hung up about ratios for bypassing I've always had a few different Russian teflon types in the spare parts box and just tend to go with what's been to hand.
  13. JamieMcC

    Orgy of Capacitors: The Cap Thread

    Yes that's correct I bypassed the my 10uf with the 0.1 silver Duelund. I like the ft3 very much and have used them in several builds myself. The Milflex seems to get mixed reviews from what I've read online but have not tried them myself. Personally I would just go straight auricap with JDM...
  14. JamieMcC

    HiBy R2 - HiBy's entry-level HiFi digital audio player

    If you want a line out use a trs to L&R RCA adaptor they are readily available.
  15. JamieMcC

    For 6AS7G tube rollers here .....

    Absolutely study getters, plates and support rods micas extra and be certain you have a match. Save a GEC 6080 image and zoom in on the construction details to compare.
  16. JamieMcC

    For 6AS7G tube rollers here .....

    The GEC 6080 can often be found with Valvo branding and for a fraction of the price for a GEC branded one. Look out for the gec factory markings on the glass a number of mine also have the German think it's called the Bundeswehr eagle military mark on the glass.
  17. JamieMcC

    HiBy R2 - HiBy's entry-level HiFi digital audio player

    Will the usb suppoet digital out or is it just for charging the battery?
  18. JamieMcC

    Crack;Bottlehead OTL

    Probably not a replacement in DAC capability to the Modi but the $99 new hiby R2 looks a interesting product with Tidal, MQA, WiFi & Bluetooth. Looks like potentially two ways to connect to a amp analogue out via trs to RCA adaptor from the R2 direct to Crack or usb digital out to Modi onto...
  19. JamieMcC

    dCS Bartok

    Just in time for Christmas 👍
  20. JamieMcC

    Astell&Kern KANN ALPHA

    Looks interesting hoped for Roon support. Might have to give it a go and live with tidal. Hopefully there will be a review or two up soon.
  21. JamieMcC

    Crack;Bottlehead OTL

    Fyi afaik Tungsram & Siemens were the only manufacturers of the E80cc all the rest are rebranding sourced from Siemens or Tungsram factories. Don't pay over the top for other branded E80cc. Essentially you see variations of smooth and holed plates with halo or foil getters.
  22. JamieMcC

    .....and, I'm up for air!

    No surprise the direction went to much form over function they seemed more nterested in hipster arty photography which would be ok if the content and reviews matched the quality of the photography and had substance but unfortunately for the most part the review's were pretty useless.
  23. JamieMcC

    Burson V6 Vivid and V6 Classic Discrete Audio Opamps Discussion and Reviews

    Nice review I often found that when you reinstall a old component after living with a upgrade for a few months the differences going backwards are more easily recognisable.
  24. JamieMcC

    Crack;Bottlehead OTL

    Some strange looking amps being listed on in eBay being described as Bottlehead Cracks in the discription. https://www.ebay.co.uk/itm/Tube-Amplifier-Headphone/353136346617?hash=item52389105f9:g:~UcAAOSwaOpe-Nva
  25. JamieMcC

    Bottlehead Amplifier Discussion / Comparison Thread: Crack, SEX & Mainline

    Hi Paul thanks, still alive & kicking here and lurking on one or two favirite threads.
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