kevin gilmore

Maybe you have never played with a real jewelers hammer. The design was specifically for the function of perfect use. Perfect balance... There is 30 hours of machining time in that hammer at the moment. Guess i wll have to try harder. What do i have to do to get that 9 turned into a 10?? Maybe your opinion will change once it is finished. I have OH so many uses for that chunk of damascus. More uses than i have steel. For the knob, it would have to be cut out of the side, because you clearly want the lines going across the face of the knob as well as the sides of the knob. That eats up a lot more of the material. And if i want the chisel to have lines all over the main face, i have to cut it from a chunk at something like a 20 degree angle. So the material is going to be used up quite quickly. I can certainly make a damascus toothpick, but i think it would be a real bad idea to ever actually use it. If anyone actually knows where to buy raw chunks of damascus, i would be very interested, and i really don't care how much it costs. Once is fine as a joke, but i really don't want to burn most of the hair off my arms again.

The KGSS design is 8 years old now. There are lots of things that can and will be done to this design. Better current sources, even better front end transistor/fet, stronger and faster output devices. Maybe i'll even publish the fully complementary differential design i have had for a few years now. Lots of parts. Bigger and better power supply always a good thing. Not going to get into the Me vs Mikhail thing. But it sure would be nice to see someone else doing actually new designs.

This is the first, and probably the last time i'm going to try something like this. I have absolutely no idea what the final steel is going to look like. I started with 25 layers of various scrap steel. All cut to 3 inches wide and 10 inches long. Stacked as flat as i could get them, about 2.5 inches thick, then i arc welded the sides in 4 places each to get one big hunk of stuff. Then melted the piss out of it, and used a 10 ton press to bang the crap out of it, then heat it up again, and use the press again with a cutting head to cut through most of it, then bend it and heat it again then beat the crap out of it again. I did this 4 times. No way was i going to pound on this stuff with a hammer for 8 hours. The last time i did something that stupid i had tennis elbow for almost 2 years. I'm probably through heating and banging it. I want the finished piece to be 1 inch wide at the head, and the shaft about .5 inches in diameter, so i'll have plenty left. No idea of hardness. I envy the guys in japan that make those presentation swords. Then again for the prices they charge...

So this is the time of the year from thanksgiving to new years where i have the time to do extraordinary projects. This year is no exception. So i delivered the hydrogen torch preamp prototype to a person in chicago that happens to own a ctc blowtorch with great success. (hearafter just refered to as just hydrogen)(a hydrogen torch is at least twice the temperature of a blowtorch) But this year i wanted to do something extremely over the top just for me. And while it is not done yet, enough of it is done for a couple of pictures. So I hereby present the $5000 hammer. (in fact its going to cost way more than that) http://gilmore.chem.northwestern.edu/hammer1.jpg http://gilmore.chem.northwestern.edu/hammer2.jpg Handle and head machined from a solid piece of titanium. Handle drilled out for perfect balance. Standard taper on the handle. Shown with 24k gold and phosphor bronze hammerheads. Also shown with black and white delrin and stainless steel replacement hammerheads. Still have to finish the pure platinum, pure silver, lead, copper and lignum vitae hammerheads. As well as the (probably burlwood) wood insert for the presentation case. Going shopping tomorrow for the burlwood. Still don't have enough rhodium to make a hammerhead (or anything else) and research safety has decided that i will not be allowed to machine up the chunk of beryllium that i have due to possible exposure to beryllium dust. I'm almost done making a chunk of my very own damascus steel, which i'm going to machine into a chisel that goes with the hammer. Maybe at the next meet in chicago i'll bring it along and attempt a couple of love taps to the extremely hard head of my good friend ray. Happy holidays.

koss esp950's are bass heavy with low bias. Best sound is about 620 volts of bias. And they can play very loud.

You can make the 6.8k resistor a 10k pot, that should give you more than enough range.

Raising one voltage does you no good. You have to raise both of them. If you replace the 2sa1156's with 2sa1413's then you can get to +/-550 Or if you replace the 2sa1156's with 2sa1968's you can probably get to +/-700

If you are going to try DHT's, you are going to have to have 4 completely seperate filament power supplys. Reason, 50 volts of audio on the cathode and opposite in phase with the other tube in the same channel.

Actually there are 2 ways. You do it, or you get someone to do it for you. The 3d21's would definitely work in a BH. But really they want to be run at 1kv+ and then you have to put current sources in series or otherwise they smoke.

I'm pretty sure i tried kt77's at one point, the skinny bottle versions should be a complete identical replacement. (I think, don't really remember) el360's are virtually impossible to find, and when you do they are chinese junk and the top cap likes to come off. kt88's, 6l6's and things like that seem a bit ratty when you run them all the way to 800 volts.

More than willing to hire 3 people. Its two of the three i can't find.

wanna bet?? Been looking for over a year now. I could just give in and take the next piece of trash that shows up, but the people above me would stop it anyway. Real money is involved as in 75 million a year. Goverment cost accounting standards. Gets messy if an idiot makes a mess out of everything.

Bingo. Also need someone that can do sql all day long.

Call it what it is. The generation Y types who were taught that you can never fail, and you are the only one who matters, and who want it NOW. Hold on to your hats, because it is going to get worse. Much worse. I've been interviewing for IT types. All i'm getting is gen Y idiots. People who have never written a single line of code, yet want a starting salary of $100k plus 5 weeks of vacation plus flex time plus plus plus. I've put these candidates in front of a machine with visual studio on it, and told them to make the one line C program "hello world". Not a single person has been able to do it yet. Give me a fucking break.

They did not loose money on the amplifier. Although the R&D to do that stupid multi output switcher in a box that size was not trivial either. Fact is the electronic parts inside the he90 including the circuit boards were of very low quality. The onboard bitstream dac was even worse. Justin's amp sounds better, is quieter and better built than the original. I own one, i should know. They ate it bigtime on the headphones. Special machinery to make the ultra thin glass stators. More special machinery to etch the holes in the glass. Even more machinery including very large vacuum chambers to put the conductive film on the stators. For a world wide total of less than 100 units. 20 to 30 of which never left the factory. These days for a company like Sharp or Samsung who is making the same kind of stuff for lcd panels this would be a slam dunk. On the otherhand Sharp just spent 5 billion on a new plant in mexico to make and coat the glass so the setup costs are not cheap.

Yes but where would be the fun in that. More than half the parts would not be needed. And yes i'm waiting on fets, but may have a different solution to that problem anyway soon.

Its the pumpkin preamp has output capacitors. Yuuch preamp does not have dual balanced differential input. Yuuch Does not do so well with unbalanced inputs. Many people will think that this is excellent, which it is. Power supply extremely excessive in the style of john curl. Lightyears ahead of anything ray samuels could ever come up with.

Actually my opinion is a bit different. You had a tube preamp, and a levinson solid state amp, so the tube preamp takes the edge off of what many consider to be a slightly dark amplifier. Overall still a glorious combo. Depending on what headphones you settle on, you would be much better off with an extreme, or anything similar because the first gain stage tube is most like the gain stage in your old tube preamp.

Would there be any interest in a preamp with a sound signature very close to the CTC blowtorch??? For about $5k (wild estimate) Fully balanced, with unbalanced inputs that get converted to balanced before the 512 step constant impedance relay attenuator (.25db steps), remote controlled and with adjustable balance. Fully solid state. Cause i'm working on one... Design almost done...

stax already went out of business once due to stupidity. Sennheiser is a very large company and has been swallowing up other companies in a bid to own much of the professional world. Neumann and B&K. Even so, with the current management, they are not likely to produce anything again when they know they can't make a profit at it. The he90 amp design comes from the late 1950's and was never patented and was not sennheiser's to begin with.

aerius, you are but an amateur. http://gilmore.chem.northwestern.edu/workarea1.jpg http://gilmore.chem.northwestern.edu/workarea2.jpg I have since cleaned up, as i moved offices, it will look like this again in a year or so.

The head3 design is all solid state with the apex chips. The NE-2's are actually better because they are significantly stiffer. But then the rest of the thing is highly boring, as only 8 tubes are visible, and no pretty glow lamps.

http://www.vwrsp.com/catalog/product/index.cgi?catalog_number=EM1.02584.1000&inE=1&highlight=EM1.02584.1000

That is why you can only take 500mg every 4 hours. The container has all sorts of warnings on it. Picture on monday. If you take 2 grams at one shot you are likely dead in 20 minutes. Powerful stuff.

I have a LARGE bottle of pharmacy grade caffeine that i'm willing to donate to the cause. (About 2lbs left in a 5lb cannister) Maximum safe dose is 500mg every 4 hours. 2.5 grams per day. I could ship enough to make sure jude stays awake for at least 2 more weeks...