Recent content by gavinbirss
  1. gavinbirss

    Wow! Inexpensive tube amp kit for newbies

    Dam looks like my text search did not reveal that I Woody already posted this link. Sorry. Gavin
  2. gavinbirss

    Wow! Inexpensive tube amp kit for newbies

    Hello, The kit looked good so I did some googling on it and found the following : http://www.siteswithstyle.com/VoltSe...Push_Pull.html Enjoy ...
  3. gavinbirss

    dynahi pictures

    Hello, "quite clearly you can see that the unit is NOT plugged in or turned on. Thats a result from the flash lighting up the silicon... Really, no kidding. When the led's are on they are very bright to the camera." I feel like a idiot now but this may prove that I need a larger screen...
  4. gavinbirss

    dynahi pictures

    Hello, Sorry for seeming impatient but only once my modem got to posting my thread, I noticed that there were already replies. Gavin
  5. gavinbirss

    dynahi pictures

    bump bump
  6. gavinbirss

    dynahi pictures

    I have seen from previous posts by master Gilmore that when he posts links to hires photos of his circuits that some people hint to the fact that he has to learn how to use photoshop in order to reduce the size of the files. This will obviously reduce the quality and the use of a his 15...
  7. gavinbirss

    usb dac

    Hello Sorry for posting redundant info. 00940 : "Btw, I received an answer regarding the low pass filter : the guy confirms that the lpf was pretty ****ty and gave a confused sound." Are you referring to the USB to HIFI Converter from http://www.hbl.co.uk/product.asp?ProdID=1032...
  8. gavinbirss

    usb dac

    Hello I thought that you guys might like to know that KECES of Taiwan has a complete product and PCB of the PC2702 DAC. The nice thing about the board is that it has the SSOP28 package soldered on the board already. Email me if you guys want the email link for the english contanct...
  9. gavinbirss

    discrete preamplifier - 1994

    Thanks for the help. That will mean that I have to edit and delete two posts and that you also have to delete your post. But I guess I will leave the double posts as it only shows that we are human. Gavin
  10. gavinbirss

    discrete preamplifier - 1994

    Sorry for posting the same thread twice, I must be getting Alzheimers or repetative post disorder. Gavin
  11. gavinbirss

    discrete preamplifier - 1994

    Hello, Firstly, I appologize for the quality of the scans as they were made of photocopies and I tried my best to keep the quality high and file sizes low. Sorry also if you have to follow the html web link in order to see the inline images. My father uses the BC550C and BC560C in a...
  12. gavinbirss

    discrete preamplifier - 1994

    Hello, Firstly, I appologize for the quality of the scans as they were made of photocopies and I tried my best to keep the quality high and file sizes low. Sorry also if you have to follow the html web link in order to see the inline images. My father uses the BC550C and BC560C in a...
  13. gavinbirss

    discrete preamplifier - 1994

    DISCRETE PREAMPLIFIER Quality-conscious audio buffs still prefer discrete designs. And quite rightly so, because although there are very good operational amplifiers available, discrete designs offer just that little bit extra. The present preamplifier is a symmetrical Class A design...
  14. gavinbirss

    OPA602BP on META42 - OMG!

    Hi everyone I sure that many of you agree that changing an opamp can make a big difference, but to be fair it is not the opamp that makes the difference. It is the circuit design (and tuning thereof) that increases the performance of an opamp in a circuit. I am sure that you would be...
  15. gavinbirss

    Reccommendations for a good, cheap phono cartidge?

    Hello, Erix For $ 100 I recommend the Denon DL 103 MC. You will be surprised. Gavin
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