A year after “Christmas,” I’m going technical
Tuesday, November 24th, 2009
This time last year, I was working frantically to finish my recording of “It’s Christmas (Let It Touch You)” so that I could release it by download at the start of the 2008 Christmas season. I can hardly believe that a year has passed. That’s the way I mark time. Some people use the calendar, or birthdays. I always figure out my chronological orientation by the recordings I’ve released. Therefore, it must be Thanksgiving week, because it’s been a year since “It’s Christmas (Let It Touch You)” was completed and released.
Wow. I’ve certainly posted a lot of blog entries since then too. That’s some Archive. I guess no one could call me a blogging dilettante. Though I’m hard pressed to identify the wide virtue of this pursuit.
Having no release to stress about this Thanksgiving, I’ve turned my churning brain to matters technical. I’ve broken out the soldering iron and endeavored yet again to simplify my live rig.
As you know, I’ve been playing with the Band of Brothers for over a year. I’ve gone from bass to guitar to piano and guitar. Now I bring all this stuff with me to gigs. I use two amplifiers (one keyboard, one guitar) and when I finish setting everything up, I feel sequestered in my own little electric nest, surrounded by wires and devices with little glowing lamps on them. I have a microphone, a keyboard controller, a synth module and a bunch of stomp boxes (effect pedals) to mutate my guitar sound.
Thanks to the wonders of technology, other than my amplifiers, all of these pieces of gear run essentially on battery power. Each one of the stomp boxes could run on a 9 volt. The controller could run happily off a computer’s USB port. So it’s safe to say that my hair never stands on end from all of the EMF swirling around my head. (That would actually be kinda cool over the short term.) However, what I have is much more annoying: a collection of wall warts and extension cords that enables me to power all of these toys using AC outlets. These little adaptors are the worst. They take up way too much space in a power strip, blocking more than one outlet most of the time. They are heavy and connected to a flimsy little wire that delivers battery current to your device.
To clean up the mess, I’ve picked up a regulated power supply that can deliver enough current to run everything. One wall wart that delivers a regulated 9 volts at an amp and a half. I also bought a spool of wire and a bunch of the connectors. I proceeded to build a power supply that would run all my pedals and my keyboard controller too. I added up the current ratings and confirmed the polarity configurations of everything. A few curse words and burns later, my live rig is faster to set up and very much neater. No more mess behind my amps and no more cables to detangle before and after the show. I even used spiral tubing to to build a snake from my keyboard to the synth module and the amp. It’s very slick if I do say so myself and since they aren’t sprawling all over the stage, I don’t have to worry as much about somebody walking on my cables and breaking them inside the insulation.
If you’re a guitar player, you’re wondering why I don’t have a pedal board with all of the pedals attached with Velcro. To put it plainly, they’re too clunky, they take up too much space on the floor and the Velcro adhesive always fails me eventually, leaving a tacky ectoplasmic residue on the bottom of my pedals that makes me sad.
Tone Restoration
My next project? Tone restoration. It isn’t that my tone has gone bad or anything, but I’m just ridiculous enough to hear the minute differences that occur when you string a bunch of devices between your guitar and your amp.
Each one of these effect pedals has an input and an output. You plug your guitar into one, and then patch its output to the input of the next box and so on and so on until you run out of boxes. Then you patch the output of the last box into your amplifier input. Each device has a footswitch. When you activate an effect using the footswitch, you add its electronic mutation to your signal. When an effect is off, it theoretically passes your guitar signal unaffected. (Since I’m talking about effects pedals here, I wanted to say “uneffected,” but spell check doesn’t like that. Wouldn’t “uneffected” be more correct? Oh well…) Unaffected.
Theoretically. OK, now this plunges headlong into the geek zone.
Guitar signals are pretty weak right off the instrument. Therefore, every device you place between your guitar and your amp slightly degrades your tone and adds noise. They all have little op-amp circuits in them that whether they are active or not blow up and shrink your signal like a balloon you never tie in a knot. To minimize this, you can use your amplifier’s effects loop.
Certain guitar effects sound better before the preamp and certain other ones sound better after it. Things like distortion and wah sound better before your amp. Plug your guitar into them and then connect them to the amplifier input. The amp can actually help them to sound better. However, if you use a time-based effect like delay or chorus, you might want to put them after your amp’s preamp, using the effects loop. That way, you get your tone straight and let your amp do its amplitude and coloration work first. Then you can send a good strong signal out to be modulated using the amp’s Effect Send. Come out of your time-based effect and back into your amp’s Effect Return, which goes into your power amp section and gets blasted out your speaker. Can you put a chorus or delay after your distortion and then plug the whole chain into your amp’s input? Sure, but I can hear the difference and the effects loop plan is the better option.
So now I have to build some more cables so I can get certain effects into the amplifier input and other ones back and forth through the effects loop. All of this while keeping the pedals in close proximity to each other, so I can turn them off and on without stepping all over the place, and not adding to my cable clutter onstage.
As you can see, I’m dealing with a lot of stuff right now. :~)
