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Posts by dBel84

my wife thought it was junk mail but i spotted the doodlebug , saved in the nick of time :) 
it has to be AC as there is onboard rectification
parts ordered :) 
hi vixr   some great advice already given. to expand on tangent/avro 's comment of the ground plane being better on the other side is that you really don't want to "cut up" a ground plane if at all possible. It is always necessary to some extent and sometimes even purposeful to force the ground current flow in a particular direction. when you fragment it too much , the risk is for generating ground loops. this becomes a much greater risk with larger boards. I am not...
This is cool Tom , I would be up to build one of these  -  I actually recently revisited the usb isolator designed by oleg as I thought it would be interesting to see how this impacts the odac I have at work.    ..dB
iirc it has a conventional ortho construction. I cannot recall the specifics of what I did - distant recall says I treated like a T50 or OEM ie the RP18   ..dB
great project guys.    any thoughts on buck/boost power modules . Thinking of something lilke the TI module  http://www.ti.com/tool/lownoisesplitrailnoniso-boost-ref , this would allow a simple ( easily attainable li-ion battery ) in the 3.7V range to be used and generate decent rails for an amp, it is pretty small once implemented too  - this module gives 40mA which should be plenty for a portable.  ..dB
Original sale fell through - buyer did not realise these were terminated with balanced RSA/ALO plug    I was hanging onto this cable as my intention had been to pick up a set of UERM, but I cannot tolerate anything inside my ears for an extended period of time. Rather than cut it up for use elsewhere I am offering it up here. It is unused, comes in a DHC cotton bag and is the black and clear braid. Lowballers will be ignored and no trades. Shipped within the US for $115....
Kabeer has made note of this before, but the more "well worn" the pads are, the better the sound often is - we should perhaps be entertaining some of the 'leaky' experiments a few folk have pioneered..dB
it is called refinement :) .    There is a lot that happens with product development, something might sound good but you have not yet explored all ideas and when the version that sounds best presents itself, you run with it. There were several version of the original LF before it moved from the test bench into the amp that so many people have enjoyed. This next evolution has taken a little longer than Alex had anticipated but many confounding events transpired that this...
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