RudeWolf
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Posts posted by RudeWolf
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Don't listen to them Trident, they're just jealous!
1. Pad the walls of the enclosure with large resistors.
2. Hook them up to the PSU's to get rated power consumption.
3. ? ? ?
4. Profit!
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Going electrostatic is my next years objective. This year I went orthodynamic. Need to squeeze in a good DAC somewhere as well.
And yeah, big gratulations to GeorgeP. It's hard to describe the feeling when you see those LEDs light up for the first time, everything gets warm and hopefully no smoke comes. Then you plug in the phones and everything is silent, no thump when plugging in (hence no DC) and then music.
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When I first saw this thread two years ago I was completely baffled and thought that this is insane.
Now I look through the schematics and PCB's silkscreens and think to myself- "well, this is clever and for only 2,5K; I might pull it off in two years or so..."
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If there's something broken a simple EMU-0404 ADC/DAC card will do nicely. You just have to whip up test loads and most importantly- know what to look for.
Software wise there is more than plenty to use. Just be sure to calibrate everything properly.
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We also occasionally have to make tough financial choices to finance our hobby.
P.S. Thanks for the info on negative feedback. Looks like I still need to do some more research on this.
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THD of .0015% @ 3 watts into 32 ohms. how about 9 watts into 50 ohms. And how much feedback is there, what
is the intermodulation distortion, because with a thd that low, there has to be oodles of feedback.
Why do you consider negative feedback a bad thing? Provided it's correctly implemented, of course. I know that Douglas Self, for example, considers feedback (both local and global) to be essential to attain high performance.
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Now we're talking! Do keep us posted!
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I'm about to tackle a complex smd project- the Sjostrom QRV08 headamp. I need a good set of smd tweezers to handle 0805 size parts. Should I go for needle nose or for those who have the widened ends?
Is there any reason to buy titanium tweezers save for the bragging rights?
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Went to my friends house by the sea yesterday and ever since I've been living off cheap rum Cuba libres and bbq'ed meat and sausages. Then I wen't home on a bike with 15kg of photo equipment in a backpack and realized that I haven't actually drunk any water for the past 30 hours. I did clock 15km in half an hour but now I'm feeling really bad. Turns out there is no real substitute for water.
My kidneys and liver must be having the time of their life!
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I remember chewing on the Y-splitter when I was little.
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I'm pretty sure it's the kitty motion controlling the kid!
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Here I was thinking that everyone was okay with girl-on-girl action. Unless y'know- they're not as adorable as seen on adult television.
A classmate of mine almost got rape charges on him when he was 18 and was dating a 15 y.o. girl. Both of their parents somehow settled the matter. Lucky for me all of my girlfriends have been older than me.
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Opened the cycling season today! 35km a day and I'm looking to clock a 1000 this summer.
All in all it's like driving with a full tank that unfortunately doesn't seem to run out ever.
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Happy birthday!
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It's always about the implementation. ES9018 is one of the popular choices for DSD playback and notoriously hard to implement so that it doesn't sound like a bunch of hornets playing sitars in an empty grain silo.
I am told that the main hurdle of properly designing the IV stage for 9018 is the high output current for the summed channels when operating in stereo- 16mA per channel or so. Also ESS have a bad rep of being very secretive about any data they give out on their products. I have read at least one report of the given data being inaccurate or downright erroneous.
However when done right the ES9018 is capable of distortion figures I have never seen anywhere else. However I'm afraid that the level of construction quality needed for squeezing such performance is nigh unattainable by common DIY efforts. Think- 6 layer PCB's and all SMD construction.
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I prefer rosebuds most vastly.
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I had matched input JFETs and LEDs on my Dynalo and it was possible to dial it in so it had about 1mV offset. The servo has saved my ass on one occasion tho- when my DAC output stage was misbiased and outputted 0.5V of DC.
In any case matching the LEDs is trivial. And in the case of Dynalo it was easy to get matched input devices as well.
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When I step on the scales I pretend that they show my health percentage.
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Looking good! I do like my Dynalo, but lately I've found it to be a tad rolled off at the extreme ends of the spectrum. At least compared to other amps I've listened to- Beta22 and simple hybrid amps. After I'm done with my speaker + amp project I might do another headamp. So far the Sjostrom QRV08 has been quite interesting to me.
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I hope it also doubles as a tazer!
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You guys need to contact Sjöström Audio- we need a credit card sized KGSSHV! Put it in an Altoids tin and be done with it. Maybe whip up some Peltier elements for cooling...
What are you Smoothifying Now
in Food and Drink
Posted
Rum
Bananas
Roasted almonds
Instant coffee
White ice cream
Next time I'll try using natural ground coffee. Also I was very surprised how much rum it took before I could taste the alcohol. Feeling the effects however was another thing entirely- be very cautious to not pass out in the sun.