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Messages - HKimball

#1
So I've wanted to vinyl wrap my car since forever - the vinyl being elastic is great protection against scratches so the automotive stuff is actually pretty durable.

This is something I'm gonna try out when I get a chance - thanks for idea
#2
Actually, it might work because it operates like a warp drive lol

http://www.ibtimes.co.uk/nasa-says-emdrive-does-work-it-may-have-also-created-star-trek-warp-drive-1499098

They're not sure but the microwaves might create propulsion by warping space-time ever so slightly. Which means the same principle that heats your food may one day facilitate faster than light travel

Again it's way above my pay grade but it's really cool to read about
#3
So a quick addendum - I edited my original post to take out all the opinion stuff. I think we have a difficult situation and when I read my post I couldn't help but feel that it contained some not-so-thinly veiled racism... I can't just find and replace "race" with "culture" and expect people to pretend like there aren't any racial undertones.

I have difficulty expressing my opinion about the situation in a way that acknowledges these deep rifts between predominantly black segments of society and police, and at the same time prescribing a solution for it... I'm not part of the situation and pretending like I know the answer is disinguineous at best and pompous/condescending at worst.

I start many sentences with "I think" which is a problem. Its just impressions and half-baked idealist notions about society. I guarantee that if you put me in a classroom in Baltimore I wouldn't know how to reach the kids any better than the next guy.

At any rate, I still hope for a peaceful and speedy resolution to the situation. It would be great to see a meaningful dialogue come from this but I can't see the future... so, yeah.
#4
Audio/Video Demos / Re: Flabulanche Demo
April 29, 2015, 08:38:27 PM
Here's a slightly better demo (same songs mostly though) with the j201 in q2 instead of the 2n5457

#5
Hey so I feel like I owe an apology for the long and politically charged rant - the only appropriate emotion right now is support for the people of Baltimore. I'm going to go back and delete the message when I get to a real computer.

Wishing you guys all the best - it's a difficult situation and I hope for a good resolution for both sides.
#6
I didn't need to act like I understood the situation and further my comment veered into the type of normative political "things Should be like this" conjecture that I so often find distasteful. I'm deleting this when I get to a computer, but for now this will be a place holder.
#7
At least now we have a legend of which to speak in hushed whispers
#8
Open Discussion / Re: Favorites
April 24, 2015, 03:54:09 PM
Quote from: Dminner on April 21, 2015, 07:27:20 PM
Quote from: micromegas on April 21, 2015, 07:18:57 PM
Beautiful guitar. Details man, we need details :) (like, for example, where did you get that beautiful silver foil humbucker?)

I have a build thread about it on another forum that I can try to find a link to...It was custom built by a local company to my specs.  I am kind of a LP guy converted to a tele guy so there are lots of LP-ish quality.

Body and neck are both mahogany and the the neck actually has a fat 50's LP profile and a 12" radius. Ebony board. Neck and Body both have a nitro dog hair finish. Body has a huge 1/2" roundover. Bridge is kinda weird...it is essentially a fixed bridge (saddles don't move), so it feels more like a bigsby than a fulcrum. Two sunken crazy oversized knobs (because I like crazy oversized knobs haha) and the pickgaurd is actually sandblasted aircraft aluminum.

The pickups are from mojotone.  It is not actually a silverfoil though.  I asked if they could squeeze a wide range humbucker into their silver foil enclosure and they accommodated :) Bridge pickup is a higher output broadcaster style
This might be the perfect guitar

Big neck check
Wide range humbucker check
Tele bridge pickup check
Simple controls check
Medium flat radius check
Big rounded edges for ergonomics check
Tasteful Tele-esque bridge with working trem system check

Yeah I think this is actually the perfect guitar
#9
Wow that explains a lot - I just use 4.7k for everything haha. Makes sense now why my white LEDs on my 18v pedals are like staring into the sun
#10
I do single tone on all of my guitars. I understand why someone might want the ability to change the neck and/or bridge tone separately but that's too finnicky for me.

I like to use a spin-a-split as a girth control and a tone pot with a small cap as a high control, of course that's where I have 4 knobs though.

But, if you can fit a dual ganged 100kb in there you could have it wired up as a spin-a-tap for both pickups and have one volume and one tone, and keep the simplicity of a 3-way switch (you still wouldn't have the option of running them in parallel though without a push-pull or other switch)

Edit: I usually go for KISS from a user interface standpoint but beneath that I go for complicated stuff (although my definition of complicated is child's play for most of you guys) - for example my telecaster deluxe has a neck humbucker with a tap on the screw coil which means I had to run a 5th wire from it. This allows me to use a push-pull volume for series/parallel, and a dual ganged 100kb pot for simultaneous spin-a-split and spin-a-tap.  It's not perfect - the volume jumps before going back down again when I'm using that knob, but there aren't any extra knobs or switches and I can get strat sounds, Tele sounds, p-90 sounds and vintage neck humbucker sounds and switch between them with minimal knob fiddling. On my les paul I have a similar setup but the dual ganged potentiometer acts as a spin-a-split for both pickups rather than just one like in the telecaster.

The only problem with those setups is it took a while to figure out how to do everything and it's kind of a birds nest under the hood so you do have to spend time planning it out and be really neat with the wiring otherwise there will be problems haha.
#11
Quote from: midwayfair on April 23, 2015, 09:26:33 PM
The diode is to rectify the signal. The compression is created by producing a DC voltage at the FET's gate. FETs work by wiggling the voltage negative at the gate; if you cancel the signal some there, the input signal gets smaller and it compresses. Aquataur specifically talks about why you want to use a Scottky, but as a reminder, it's because you have a VERY limited amount of voltage available once you run the rectified signal through a gate resistor. You want the resistor there to prevent too much treble loss from the decay capacitor. It's a balancing act.

You can probably put the LEDs after the output cap just like the diode. It should be fine. You probably want a resistor between the diode and where the LEDs. That brings up your output impedance, but it should be fine and it'll make the LEDs conduct better. It's hard clipping, but the compression does the same thing as softclipping anyway, so it's 6 of one and a half dozen of the other.
Jon,

As always thank you so much for the information - I hadn't even thought that due to the compression hard clipping the LEDs would sound different vs. Without the compression.

I'm planning on using a 2n3904 as an output buffer because it sounds great on your snow day OD as well as the EA trem and the xotic EP booster... I don't know if it's because it's a bjt or what but every circuit I've played through that has one sounds awesome.
#12
Never mind I just found what I need on the aquataur article on the compressor circuit which inspired the one in the snow day OD. My bad you guys - I'll delete this thread as soon as I get to my computer (tapatalk won't let me delete for some reason)
#13
General Questions / Flabulanche compressor question
April 23, 2015, 09:04:24 PM
I was contemplating the use of this circuit for a different pedal and I was curious about the role the schottky diode plays, and whether or not it has to be a schottky... I imagine the answer is yes but I thought I'd ask anyway.

I wanted to make a single jfet distortion with 2 red LEDs soft clipping but I highly doubt having 2 negative feedback loops would be a good idea for a single transistor so I wanted to make it a distortion loop that nominally adds some compression. I found a schematic online that shows a compression control potentiometer in the NFB loop of a bluesbreaker circuit but I can't find it now that I actually need it haha.

Thanks for any help in advance and I will continue to try and crack this in the meantime.
#14
Build Reports / Re: Highway to the Danger Zone.....
April 23, 2015, 04:11:28 PM
Yeah this is exactly the kind of thing I want more of in my life. Great build, great wiring, love the opto-stomp, the huge LED, the etching, I mean just everything about it haha
#15
Requests / Fatpants + compression
April 23, 2015, 04:44:22 AM
After missing out on the last of the fatpants boards two years ago, I get the feeling that one could easily incorporate the comp switch on the flabulance as a variable compression control (a/k/a the exact same as on the aquataur website from which it was derived) and call it the complex. I deleted a later part of this post where I elaborated on the pun ad boredom.

I really, really want a small board that has a low output impedance with a BJT buffer but also a pre-gain bass control off the mp102, which means 3 transistors for like 1 sound... IDK...