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  1. Victor Chew

    Changing Voltage Setting of Larocco PSR

    Thanks.   I have switched it to:-     Did I get it correct?   Although board says 220v, transformer says 115v plus 115v.   Board doesn't state any fuse rating for 230v but I have got a 250v 1A fast blow in it. Do you happen to know what the fuse rating for 230v should be?   With the...
  2. Victor Chew

    Changing Voltage Setting of Larocco PSR

    Recently bought a Loarocco PSR but the voltage setting is for 110v. There is also a setting for 220v but the board markings are confusing to me. Can anyone help please?  
  3. Victor Chew

    The Stax thread (New)

    I am a little concerned that the toriods might buzz; and if its under the amp, the tubes will not like the vibrations. Using additional neoprene bases will certainly help, but may not eradicate the vibrations totally. Best if the transformers are totally quiet and vibration free, but my...
  4. Victor Chew

    The Stax thread (New)

    Greatly understand what you are getting at. Keeping it to the solid state for the PSU makes a lot of sense to me as well.   I am really looking forward to this project taking off.
  5. Victor Chew

    Is anyone building the KGSSHV?

    I know people that have given up their dact for the khozmo. I have never heard the Khozmo but was about to buy it but did not due to reading about its problems.. I have consequently gone back to buying the DACT.
  6. Victor Chew

    Is anyone building the KGSSHV?

    Quote: If you use RCA you will probably ground the cold portion, which means there will be no signal from the cold. This leaves only the hot to provide the signal, therefore only have half the board pumping up the signal.
  7. Victor Chew

    Is anyone building the KGSSHV?

    I believe that technically, double the voltage swing as signal input is x2 as compared to RCA; because XLR is pull and push (hot and cold will pull and push the signal). This gives us double the power. Using RCA only means that only half of each amp board in the KGSShv is amplifying the signal...
  8. Victor Chew

    Is anyone building the KGSSHV?

    Yes, I use the DACT for my KGSShv. I have 3 more amps to build. 2 more than half done. I had placed an order with khozmo for 3 pieces of the round type but problems with their quality is forcing me to rethink for other choices.
  9. Victor Chew

    Is anyone building the KGSSHV?

    Infact my bread new DACT is starting to make louder "pop" noises as I turn the volume knob. Was there when I first installed it; then it went away as I used it more and more; and now (after about 150 to 200 hours of total use) the "pops" are louder than when first installed it. I have never...
  10. Victor Chew

    Is anyone building the KGSSHV?

    What alternative attenuators, besides the already mentioned DACT, can we go for at Khozmo's "level"?
  11. Victor Chew

    Is anyone building the KGSSHV?

    Thanks John. I stand corrected then.
  12. Victor Chew

    Is anyone building the KGSSHV?

    Quote: That depends. Amb site posted , "An optional sensing loop employing thermal breakers can be used with the ε24, so that in the event of device overheat, it will be automatically shut off". If you have that you should not need additional thermistor.
  13. Victor Chew

    Is anyone building the KGSSHV?

    Quote: Thermistor works by increasing resistance when heat goes up. That way as resistance goes up it will block big rate of flow (ie. current) before it reaches the transformer. If the heat goes too high for the thermistor it will melt - like a fuse. Inshort, it is an "intelligent fuse"...
  14. Victor Chew

    Is anyone building the KGSSHV?

    Quote: I would use 2 in series.
  15. Victor Chew

    Is anyone building the KGSSHV?

    John, 2 pieces of 2amp each in series. That should reduce the inrush current by quite a bit before it hits the transformer.  What are your thoughts on it? I believe Kevin did recommend this at the KGSSHV, Balanced Dynahi Rec A and Dynafet board run page 6.   I was also thinking of putting...
  16. Victor Chew

    Is anyone building the KGSSHV?

    My KGSShv is dead quiet when the volume is full and the source is not plugged it.   I think reduction in the souce output voulme means that the output voltage fed to the KGSShv is reduced. If I am correct you should  get quieter sound as some high frequency has been trimmed off. Some people...
  17. Victor Chew

    Is anyone building the KGSSHV?

    My KGSShv runs about 85C on hot days at the hottest heat sinks (at the amps) where the temperature outside is about 34C to 35C. On cooler days the temperature drops. Do you guys think mine is running too hot? The PSU runs way cooler.   I like the sun and I think it is nice. Equator benefits...
  18. Victor Chew

    Is anyone building the KGSSHV?

    Nice. The PS and Amp will certainly look lovely side by side.
  19. Victor Chew

    Is anyone building the KGSSHV?

    Very nice :). Any PS pictures?
  20. Victor Chew

    Is anyone building the KGSSHV?

    Readings look good to me.   Just trying to understand where the Realiser is placed in the chain. Since it is an audio processor, you use the Realiser between the CD player/source and the KGSShv correct? As the Reaslsier is SE only it means that you will have to use an adaptor to the balanced...
  21. Victor Chew

    Is anyone building the KGSSHV?

    If you are happy with the dc offset and balance then you can leave the advistments as they are. I often double check at the stax jack and make any final adjustments if necessary.   What is this A8 Reaslier thing for? Interesting and curious! You said it took the sound up a few notches.
  22. Victor Chew

    Is anyone building the KGSSHV?

    Congratulations. After you have cased up everything, check the balance and offset again. This time out of the stax jack. Be careful not to slip your probes or poke them into the wrong place and short the amp again. If necessary draw a picture of the stax connections on a piece of post it and...
  23. Victor Chew

    Is anyone building the KGSSHV?

    Please dont ever give up. Its a big learning curve you have here. Close up pictures of your boards.and your wiring will certainly help. 
  24. Victor Chew

    Headamp Blue Hawaii Special Edition

    I agree its very nice.:)
  25. Victor Chew

    Woo Audio Electrostatic Energizer !! new product from Woo Audio

    I do not have the WEE but have tried my esc1001, SRD7SB and SRD7mk2 with various amps including a fully balanced B22 via the speaker out and other tube amps, used for driving normal home speakers, to drive my O2mk1. I have found that the result is much dependant on what is feeding it. I believe...
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