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new layout

Posted 25th November 2011 at 12:32 PM by jtktam (Newbie audio DIYer)

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Old

Ck2iii pics

Posted 25th November 2011 at 12:30 PM by jtktam (Newbie audio DIYer)

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Old

a10 preamp

Posted 25th November 2011 at 12:27 PM by jtktam (Newbie audio DIYer)

Haven't had a chance to update last two months.. the a10 preamp was completed with a little help from my dad and is now integral part of my setup. I even put my Linn magik up for sale.. it's that good.

Last month I started to gather the parts for the objective2 headphone amp. I got about 50-100 units worth of PCB and parts. I will start to package them as kits and sell some assembled. It will be my first try at selling here.

Last two weeks I finish building and rebuilding my Ck2iii headphone amp. The initial build was with an outboard power supply and headphone amp. The cost was running a little high since I build it using momentary switch, etc..

Then I rebuild it two days back into a single enclosure with a switch at the IEC instead. Cut cost down a lot since I no longer have to deal with umbilical cord, etc

-joe
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Old

Recycled parts, this time, a ZX Spectrum!

Posted 22nd November 2011 at 02:51 PM by DrDyna

Re-purposed my HiVi M6A into these ZX Spectrums designed by Paul Carmody. They're a groovy little speaker with this crossover and the B&G Neo3 PDR which I am absolutely in love with now.
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Old

RJM Audio, now on Google+

Posted 21st November 2011 at 11:06 AM by rjm

I hate facebook but I'm willing to give Google+ a go. Now they have "product" pages as well as "people" pages, I have made a little port to RJM Audio.

RJM Audio Google+ page
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Old

The Von Neumann architecture is becoming the niche.

Posted 15th November 2011 at 02:50 AM by abraxalito
Updated 5th March 2012 at 02:51 AM by abraxalito

http://garysmitheda.com/paper/ARM-Techon-note.pdf

Its a single page review of ARM Techcon. At the end I think he means 'PC design' not 'PCB design' as he's written.

He says:

If Intel doesn’t do something soon this might not be much of a war.

He knows some guys at Intel read his analysis so I think he's sugaring the pill. Intel is rather like the hare in the old fable of the tortoise and the hare. The hare woke up and tried to catch up with the tortoise but it was too late. That's exactly where Intel is right now - they've become awake to the issue but they've missed the boat.
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Old

Field Coil Wild Burro

Posted 11th November 2011 at 07:33 PM by DougL

http://www.diyaudio.com/forums/wild-...eld-coils.html

I had hoped that this might happen some day.
I will be watching this
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Old

a text

Posted 30th October 2011 at 08:09 PM by tomtt
Updated 29th January 2012 at 05:29 AM by tomtt



The perception of the higher order annoyance may be biological or cultural,
as not all musical instruments are made the same.


- a diyaudio forum member

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
My only advantage as a reporter is that i am so physically small,
so temperamentally unobtrusive,
and so neurotically inarticulate that people tend to forget that my presence runs counter to their
best interest

- joan didion


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~~~~~~~~~~~~~~~~~


i should be frustrated but i can't seem to stop thinking about beautiful things .

- john mayer

~~~~~~~~~~~~~~~~


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''Closest thing to dying that I know of,''
Ali
...
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Old

rolling your own (an adventure in coil winding) part II

Posted 28th October 2011 at 08:13 AM by wintermute (Wintermutes Rantings)

OK so I've been a bit slack getting to the second instalment. I actually finished the last coil about three weeks ago and have made the crossovers.

Tip number 1. Wear Gloves!! After the first coil my fingers were killing me. I'd pulled back the skin on my fingertips so hard that it was coming away from under the fingernails. Ouch!!! The gloves I subsequently wore were just normal rubber dish washing gloves. These worked quite well because they allowed me to put tension on the wire (holding the spool) and I no longer got sore fingers

Tip number 2. If you can make the same value with different size formers, choose the one with the lesser turns per layer. My pancake coils were much easier to make than the taller ones.

I think that the reason for tip 2 is that the more turns per layer, the more chance that small kinks in the winding wire will add up to enough to make it hard to get the last turn on for any particular layer. The coils...
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Old

A man with cojones...

Posted 27th October 2011 at 08:33 AM by abraxalito
Updated 5th March 2012 at 02:49 AM by abraxalito

How often are you likely to read the words 'Jobs eventually relented' ? Read and weep Intel; Tony Fadell: respect.

Steve Jobs Wanted Intel Chips for the iPad - Digits - WSJ
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