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 Showing results 1 to 30 of 500 Search took 0.56 seconds. Search: Posts Made By: blandguitar
 06-28-2012, 07:03 PM Replies: 63 Views: 2,396 Posted By blandguitar I'm an American, New Jersey. I'm simply trying to... I'm an American, New Jersey. I'm simply trying to learn Welsh. You're call, I'd just stick with what you've got, might be cool. Tons of Champ clones out there. And for the last point, fair 'nough.
 06-27-2012, 08:28 PM Replies: 63 Views: 2,396 Posted By blandguitar Why not construct a small test circuit of a power... Why not construct a small test circuit of a power supply, variable grid voltage, and resistors/caps to see whether it is the tube or not? A higher voltage on the plate will just give you a larger...
 06-27-2012, 10:38 AM Replies: 161 Views: 17,107 Posted By blandguitar Why not run that 470k resistor to 1/2B+? Rather... Why not run that 470k resistor to 1/2B+? Rather than cathode-bias that, you should get more linear operation putting it idle at 1/2 supply voltage.
 06-24-2012, 05:01 PM Replies: 161 Views: 17,107 Posted By blandguitar Increasing the resistance will decrease the... Increasing the resistance will decrease the cutoff frequency. If we're assuming 3pF of capacitance, and another ten added on manually.. F=1/(2*pi*R*C)=1/(2*pi*13*10^-12*68*10^3)=1.8x15^5 or 180kHz...
 06-23-2012, 12:32 AM Replies: 161 Views: 17,107 Posted By blandguitar You should invest in his preamp book, quite good... You should invest in his preamp book, quite good for an intro to designing preamp stages. It includes the PI and even global feedback. Also check out Graphical Construction for Vacuum Tube Circuits...
 03-14-2012, 08:21 AM Replies: 7,358 Views: 226,379 Posted By blandguitar That's a pretty neat looking wah, how do you like... That's a pretty neat looking wah, how do you like having the controls towards the front of the wah? I usually prefer them back towards the heel. There's no need to bump 4 hours later. The top...
 03-13-2012, 09:08 AM Replies: 7,358 Views: 226,379 Posted By blandguitar The idea is that when using and ON-OFF-ON that it... The idea is that when using and ON-OFF-ON that it doesn't connect anything in the center position, meaning it will not add anything. Just change the values in the diagram to what you want to use....
 03-13-2012, 09:00 AM Replies: 63 Views: 2,396 Posted By blandguitar Lol, hey. :wavey: Also, if you want to filter a... Lol, hey. :wavey: Also, if you want to filter a little better, you could parallel the PS filter caps with 100n film caps. You may not even notice a difference though.
 03-12-2012, 11:26 PM Replies: 63 Views: 2,396 Posted By blandguitar Are they special nuts? Why not just make a run to... Are they special nuts? Why not just make a run to the local hardware store? Also, congrats on starting your first build.
 03-12-2012, 09:27 PM Replies: 7,358 Views: 226,379 Posted By blandguitar One of my favorites to do with wahs it to use an... One of my favorites to do with wahs it to use an ON-OFF-ON switch, so have your .01, then parallel it with a .022/.033 and .056 caps. It's been a little while since I've experimented with wahs, so I...
 02-26-2012, 08:57 PM Replies: 46,418 Views: 539,445 Posted By blandguitar I trained my old cat to do things. Haha, she'd... I trained my old cat to do things. Haha, she'd even attack on command, but she'd wait until the person wasn't paying attention. Good stuff. Hi guys, been a little off-the-grid lately. Haven't really...
 01-16-2012, 11:34 PM Replies: 3 Views: 167 Posted By blandguitar I'd essentially a patch cable with a capacitor to... I'd essentially a patch cable with a capacitor to prevent DC from traveling. http://www.diystompboxes.com/pedals/audioprobe.jpg
 12-25-2011, 11:50 AM Replies: 46,418 Views: 539,445 Posted By blandguitar Merry Christmas! Merry Christmas!
 12-09-2011, 10:56 PM Replies: 46,418 Views: 539,445 Posted By blandguitar Jim, that's exactly what it's there for iirc, to... Jim, that's exactly what it's there for iirc, to reduce the error as much as possible. There's also a current bootstrap it appears. http://sound.westhost.com/amp_design.htm#i-src-bootstrap So it...
 12-09-2011, 09:05 AM Replies: 46,418 Views: 539,445 Posted By blandguitar Looks interesting Jim, the differential input to... Looks interesting Jim, the differential input to the power amp is neat. Is it taking the signal at the speaker output and feeding it back to the other input? Are you going to match the power trannies...
 12-02-2011, 07:39 AM Replies: 46,418 Views: 539,445 Posted By blandguitar Got a scheme? Got a scheme?
 11-27-2011, 12:54 PM Replies: 46,418 Views: 539,445 Posted By blandguitar Jason, Penn State Industries sells relatively... Jason, Penn State Industries sells relatively cheap lathes that hold up fine if your only wanting to do pens on it. You're not an idiot when it comes to tools like kids in shop class, I don't see why...
 11-15-2011, 10:04 PM Replies: 23 Views: 892 Posted By blandguitar Go to the pin on the tube socket that goes to the... Go to the pin on the tube socket that goes to the cathode. Follow it from the tube to ground.
 11-12-2011, 09:56 AM Replies: 6 Views: 310 Posted By blandguitar Don't forget about the resource thread for other... Don't forget about the resource thread for other places as well. I spent a lot of time collecting those links..
 11-11-2011, 06:27 PM Replies: 23 Views: 892 Posted By blandguitar The cathode resistor is the resistor from the... The cathode resistor is the resistor from the cathode of the power tube to ground. Find where the cathode of the power tube is, find the resistor that connects it to ground. Doesn't matter, you'll...
 11-09-2011, 07:01 PM Replies: 6 Views: 310 Posted By blandguitar ... http://www.mouser.com/Search/Refine.aspx?Ne=254016&N=1323038+254149+4292839231
 11-09-2011, 07:00 PM Replies: 23 Views: 892 Posted By blandguitar You only need the voltage from plate to cathode... You only need the voltage from plate to cathode and the current through the tube (the same as the current through the cathode resistor. The voltage across the tube, which is the same as the high...
 11-08-2011, 10:03 PM Replies: 23 Views: 892 Posted By blandguitar You can; however, each tube will draw a different... You can; however, each tube will draw a different current based upon the grid-cathode voltage, so the power dissipated through each tube is really not able to be determined without the current. With...
 11-07-2011, 07:34 PM Replies: 23 Views: 892 Posted By blandguitar The grid and cathode will be connected to the... The grid and cathode will be connected to the pins of the tube. Pin 5 is the grid, pin 8 is the cathode; however, measuring the voltage across the cathode resistor(s) is truly a better method as it...
 11-06-2011, 08:26 PM Replies: 23 Views: 892 Posted By blandguitar My method will tell you the voltage from grid to... My method will tell you the voltage from grid to cathode, due to variations in the tubes themselves, most people use a current method rather than voltage as each tube will pull a different current...
 11-04-2011, 02:42 PM Replies: 23 Views: 892 Posted By blandguitar 30-50W iron is fine, you can spend 50 bucks and... 30-50W iron is fine, you can spend 50 bucks and get an XYTronics and have a digital temperature setting, spend another 20 and you can get one with a built in fume extractor if you plan on soldering a...
 11-03-2011, 07:02 AM Replies: 7,358 Views: 226,379 Posted By blandguitar It depends on the internal guts of the wah. I... It depends on the internal guts of the wah. I never opened mine up back when I had one. The other option is to create a true bypass box, which would consist of an input and output jack, and a loop...
 11-02-2011, 10:01 PM Replies: 46,418 Views: 539,445 Posted By blandguitar You can serve in some places, just not partake,... You can serve in some places, just not partake, but I dunno the laws there. Plus, there's good money in it if you are able to do it. I agree with the not lying. My boss and I live a two or three...
 10-27-2011, 06:38 PM Replies: 46,418 Views: 539,445 Posted By blandguitar Have you been checking classifieds? Hell, just go... Have you been checking classifieds? Hell, just go up and down blocks walking in asking if they're hiring, that's the best way to get the seasonal work down here. I've never really jammed, I barely...
 10-27-2011, 05:44 PM Replies: 46,418 Views: 539,445 Posted By blandguitar I know that, but that electric one has 5 tuning... I know that, but that electric one has 5 tuning pegs.. Things are going alright, gotta right about 30 pages between two of my classes, got 20 something due Monday, and 8 due Tuesday. How're things...
 Showing results 1 to 30 of 500

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