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  1. Shark_Jump

    Investigation and dismissal of 'special' mains cable used as an RF Filter

    Interesting article debunking some more audiophile cable mythology ....   'Can a mains cable be used as a ‘filter’ to block the entry of Radio Frequency Interference (RFI) into domestic audio equipment from the mains?'   By Dr Jim Lesurf, School of Physics & Astronomy,  St Andrews...
  2. Shark_Jump

    What Hi Fi Magazine - The Big Question blind testing. Thread in Sound Science forum has become read only

    Thread in Sound Science forum is read only  (For this user anyway)   I can go into the thread but there are no options available to enable me to reply or add to it.   The thread is:   What Hi Fi Magazine - The Big Question blind testing.                
  3. Shark_Jump

    Proposal to ban posts that question validity of DBT from Science Forum

    The Cables Forum bans discussion of DBT. For the reasons given below. 'We do this not because DBT is or is not an legitimate means for decision-making. Rather, in our experience we find that these discussions repeatedly break down rather quickly into nasty circular arguments by competing...
  4. Shark_Jump

    Power Chord made from Audiophile Fuses Amazing SQ

    I read on this forum that Audiophile fuses can improve the sound of my Hi Fi system. I also understand that a power chord can improve my sound. Bearing in mind that your average power chord is say 3 feet long, and your average fuse is only approx 1 inch long, the chord is 36 times longer...
  5. Shark_Jump

    Why do CDs need to be mastered differently to Vinyl?

    Simple question. Do CD's need to be mastered differently to vinyl, and if so why? I am listening to a CD now that sounds flat, lifeless and uninvolving. If it was vinyl I know it would struggle NOT to sound dynamic and full of foot tapping emotion. When a song is mastered properly for CD...
  6. Shark_Jump

    Latest News. Placebo Effect Has Physical Manifestation

    So cable believers really DO hear improved SQ. But only because they believe it. e.g. It doesn't matter if there is no real physical improvement. So don't argue against cables, because if you break this belief system you effectivly degrade the perceived improvement. You nasty scientists...
  7. Shark_Jump

    Whatever happened to Graphic Equalisers in Hi Fi?

    Whatever happened to Graphic Equalisers in Hi Fi? In the 70's and 80's Hi Fi amps had rows of them, sometimes 16 frequency bands for for each channel. Currently they have a very low profile, a lot of stuff doesn't even have a bass or treble control! Why? They are good enough for concerts...
  8. Shark_Jump

    How much does it cost to build a good hi-fi system?

    Just how much does it really cost to build a good hi-fi system? Let's cut through all the BS floating around, if you don't know what I mean please check out at least the first 10mins in Nick Charles's thread. http://www.head-fi.org/forums/f133/v...on-aes-468533/ By good I mean...
  9. Shark_Jump

    Room shape, speaker placement and resonant chambers. Can anyone help?

    The sound from my floorstander speakers sounds a bit dead over some frequencies, like they are being attenuated by my room geometry. Any advice that would help me to get rid of the deadening effect my room is having on my sound would be greatly appreciated. How do you tell if its room...
  10. Shark_Jump

    Help. Are there any preamp valve experts out there?

    Can anyone give some preamp valve advice? I have a Conrad Johnson PV2 Pre amp. Very happy with it but the line stage is giving more amplification than I need. With CD input the power amp clips at less than 1/3 turn of the preamp volume. It has a standard tube set up of 12AT7>5751>12AT7...
  11. Shark_Jump

    Sweet Combined DAC & Pre Amp < $1K

    I am looking for a one box Preamp and good quality DAC combined for under $1k Like a poor mans DAC 1 Pre. Detailed but rich & smooth. Inputs must be at least 1xRCA, 1xToslink/Coax and 1xUSB. USB must have good quality reclocking. Headphone socket desirable. Any suggestions?
  12. Shark_Jump

    What do Pro and Anti Cablers Agree on?

    What do Pro and Anti Cablers Agree on? There must be some ground for agreement. Do Pro and Anti Cablers Agree that: Cables do not exhibit any electrical properties other resistance, impedance and capacitance. Differences in cable electrical properties do exist. (The debate between...
  13. Shark_Jump

    Cure for digititis, NOS DAC or Valves?

    I have a Cambridge 640C V2 CD player which displays fantastic dynamics for the money. The problem is it can be hard work to listen to for extended periods of time due to the level of detail at the top end theres a kind of digital harshness. Baring in mind the character of the CA would valve...
  14. Shark_Jump

    What parameters should be measured to quantify differences between cable acoustic properties.

    Lets say we have two analogue RCA cables and we wish to measure which is best, an el cheapo and a platinum special. We play an identical sound or piece of music on the same reference system in an anechoic chamber and switch the cables over. Then we compare signals recorded through a...
  15. Shark_Jump

    Music on Blue Ray/DVD movies sounds much better than CD

    I confess to actually listening to the music at the end of some movies on DVD and marveling in the detail and quality of what I am hearing compared to CD. Blue ray audio is a step up again. The sound quality is unbelievable. Has anyone else picked up on how good this sounds? I assume this...
  16. Shark_Jump

    Is PCM out of $100 DVDP different to $2k CDP

    Simple question. Is Coaxial/Toslink PCM output signal of a $100 DVDP different to that of a $2k CDP? A significant point if owning a DAC yet I see conflicting answers to this question. Is there a definitive answer? Has anyone done a signal comparison? I am assuming the el cheapo player...
  17. Shark_Jump

    Why buy a CD player when you can DAC?

    I have a question that I have been getting conflicting answers to and would appreciate some expert opinion. My Cambridge Audio 640C v2 has broken. Whilst contemplating getting a new CD player I considered an alternative option, which is to use the coaxial output from my blue ray player as the...
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