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brenden

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brenden last won the day on December 18 2017

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About brenden

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    Nsw
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    Australia

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  1. brenden

    Intro from newcastle

    Hi Marc . ( Marc has been a great mate of mine for many years 😊 ) Glad to see you are now joined up. Some of the best audio i have heard have come from Marcs system . The Nakamichi set up in the big room was my favourite. I always enjoy heading out fòr a get together with another audio nut. So welcòme from me to Stereonet mate .
  2. The Stax is an extraordinary masterpiece. . One day i hope to bring the Stax C-AX and the Stax power amps and set up a full Stax system . The dac x1t is built like nothing I have seen . Congratulations on getting hold of one . I am very envious. 😊
  3. brenden

    Stax Cax-Pro Preamp

    Hi Arthur . I have one of those amps . I have modded mine and the improvement is substantial . Unmodded still very good . I used many rare and exotic (very expensive ) capacitors etc Now sound as good as anything I can think of. The power supplies are a tour de force. An amazing base for a rebuild or mod .
  4. brenden

    SOLD: Yamamura Millenium 4000 speaker cables 2m

    I am glad someone snapped these up . I was so tempted .
  5. brenden

    SOLD: Shun Mook style audio feet x6 (2 sets)

    I think mine came from Audio Connection .
  6. brenden

    SOLD: Shun Mook style audio feet x6 (2 sets)

    Thats all correct Aperalim. I pulled one apart many years ago. ( just curious )I have a couple of sets and they worked really well under my cd94 mk2. And they look great .
  7. brenden

    SOLD: FS: Duntech Marquis Speakers

    The Sovereigns had a big impact on me partnered with the ME 1500 and 850 at Junction hi fi in Newcastle many years ago .
  8. brenden

    Newest addition! Marantz CD-12 & DA-12.

    Here is a peek inside the da 12 dac . The blue caps around the dac chip are very important to the quality of the sound . Marantz used very high quality caps in their flag ship player .
  9. brenden

    Newest addition! Marantz CD-12 & DA-12.

    It was very difficult to let this one go . It sounds so right . Not many people get the chance to listen to cd replay from a player of this calibre . When you do ,you just sit , listen and enjoy the moment ,as there is nothing to criticise . You will get many years of real musical satisfaction from the cd12 . Here is one of my photos .
  10. brenden

    Marantz cd94 mk2

    Also George , where the three solder joints are at the bottom of the picture , the three traces need to be cut .I used a small drill further up the traces to cut them . This is fiddly work .
  11. brenden

    Marantz cd94 mk2

    Here is a photo showing the Dem capacitor . The small black cap next to the tda1541a This is a small 680 pf cap in this case . I replaced the cheap cap with a copper foil polystyrene . This is much better quality and from memory improved the noise floor and detail . I could also try a copper foil pps , but the polystyrene worked nicely . You can also change the value.Some cd manufacturers used a 470pf here but i havent fiddled too much except to replace an inferior part with a top notch part . This is a nice simple and cheap upgrade without changing the circuit in any way . A cheap alternative would be a fkp polypropylene film and foil pulse type from wima or similar a good quality polystyrene .
  12. brenden

    Marantz cd94 mk2

    Here is the stock Valab clock . Nice regulated power supply ,excellent strong board . The only thing holding this back is the caps . First the little blue philips ones are a bit noisy and grainy . Ok for mid fi but not for this . I could have used oscon SG of which i have a stock but went with the Elna silmic 2 super gold . Cheaper good alternatives would be the silmic 2 standard caps or the oscon standard . The small yellow ceramic (a bit hard to see) has to be replaced .they are horrible . Its only 100pf but adds hash . Every ceramic i swap for a great foil cap has reduced hash . I replaced it with a copper foil polystyrene . I was lucky enough to get a decent stock in small sizes. If you want inky black backgrounds these are all important . The two larger caps i used silmic 2 , 1000uf . and off board is a 6800uf Elna in parallel with these . I replaced the brown 0.1 uf mylar bypass caps with .01 copper foil pps Panasonic . I now replace any 0 .1 bypass caps with a 0.01 cap because it is more natural . 0.1 tips up the subjective frequency response and sounds too bright . Mylar caps seem to blur the sound .not what we need around the sensitive clock . Any information lost here cant be regained. A cheaper alternative would be a polypropylene wima or Ero . Not as good but reasonable for the cost . My favourite bypass caps are the 1500v auriicaps but they arent cheap now . Underneath I placed some .01 film caps much closer to the active devices to ensure no noise gets through and to ensure the devices had access to as fast current as possible . It might be over kill but results speak for themselves . Oh ,and nearly forgot the Jupiter copper foils i used as bypasses . These are beautiful caps for signal and bypass but too many may cause a little roll off in the high end . They may not work everywhere . I did try a few around the dac but replaced them with auricaps for a better result .
  13. brenden

    Marantz cd94 mk2

    Yeah , when i began this project i decided it had to be a fully boxed , one box player indistinguishable from a stock player . The only thing that gives it away so far is the Duelund vsf output capacitors boxed in underneath , but you cant see that anyway unless you upend the player. I may hook up a servo to correct the op amp offset as per Zens suggestion and that would fix that . I dont run a battery to my clock any more but chose to use a very ultra filtered quiet power supply .Its got around 9000uf of Elna audio caps just on the clock . The Valab clock has its own nice regulated supply .
  14. brenden

    Marantz cd94 mk2

    I guess you could just plug the filter back in if you want to use a dac .
  15. brenden

    Marantz cd94 mk2

    Full range . I considered that product a few years ago . It is a nice easy and neat option for those that want an elegant solution for non oversampling . I am sure it would be a decent upgrade ,and much easier for a novice.
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