Show us your... guitar rig!

this is part of it - the home recording side with stereo signal (L=effects, R=dry) going through DI's with cabinet simulators, tube A/D converter into S/PDIF, mesa v-twin tube preamp

pedalboard has tube DI buffer to prevent pickup loading, several stompboxes, noise suppressor, rack tuner, isolated power supplies for the pedals

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lee_UK wrote:
You use Coax cable for patch leads?

of course i do

what do you use?

I bought a high quality guitar lead, hacked it up and used that.
With nuetrick 1/4" jacks.
How common is it top use Coax?

all guitar leads are coax... :D

same stuff as TV antenna, just lesser quality (generally)

as opposed to power cable like speaked lead which is two core

that's why you can't use a guitar cable to connect your head to your cabinet - shielded cable doesn't handle high power

Guitar leads use OFC oxygen free copper cable, mains lead is very poor quality. And coax isnt going to be anywhere near the quality of a good OFC guitar cable.
Im not sold on the Coaxial TV cable idea, you might start picking up BBC1 or worse still TV-Gold.
Does anyone else use this kind of cable? or has anyone else heard of using this kind of cable?
You obviously dont connect guitar cables from your head to cab because this is a voltage being handled and not a signal, lots of people make the mistake of using guitar cable, and like you say it's not designed for this kind of use, and can fail, and if you lose the connection between your head and cab then it could also damage the output transformer. which can be very costly.

lee_UK wrote:
Guitar leads use OFC oxygen free copper cable, mains lead is very poor quality. And coax isnt going to be anywhere near the quality of a good OFC guitar cable.
Im not sold on the Coaxial TV cable idea, you might start picking up BBC1 or worse still TV-Gold.
Does anyone else use this kind of cable? or has anyone else heard of using this kind of cable?
You obviously dont connect guitar cables from your head to cab because this is a voltage being handled and not a signal, lots of people make the mistake of using guitar cable, and like you say it's not designed for this kind of use, and can fail, and if you lose the connection between your head and cab then it could also damage the output transformer. which can be very costly.

Dude if your cable has a signal core and a ground shield it is coax - whether it's branded OFC or whether it's used for cable tv or antennae or industrial ethernet communications or instrument signal. The defining factors are the capacitance and characteristic impedance - some importance can be placed on physical flexibility for musicians.

OFC is a gimmicky title used to sell more - the oxygen content of the copper in different brands of cable is not going to vary enough to affect your signal - do you think a cable manufacturer has a copper refinery and can develop it's own type of copper? No, they give their copper supplier a specification.

Picking up BBC or whatever will not occur - coax is used to deliver the signal from an antenna to the reciever, coax itself is not a very good antenna. Amps have been known to pickup radio though!

The amplifier and the guitar pickup both output a voltage - the difference is the amp voltage will be in the hundred's while the pickup voltage will be in the thousandth's. That's basically the difference between power and signal - hence the term power amp. You need a power amp to produce enough voltage across a speaker to move it and create sound - obviously the amp power output is related to the speaker/s.

Because the power signal to the speakers is so large it doesn't suffer from interference or losses like a tiny guitar signal does. That's why the signal from a guitar pickup needs to be protected - interference signals can create more voltage in a cable than the guitar pickup and the guitar signal can be lost. Hence shielded cable i.e. coaxial cable.

You can't use instrument cable to connect to your amp head because of the current going through it and the cable resistance. Current handling capacity of speaker lead is much higher than instrument - have a look at a subwoofer installation - it will use thick cable.

summary - guitar lead is coax! :lol:

Here's my pedalboard. Still needs a little work, but it ROCKS!



cgbrocks

Nice board. well organized.
Does the Boogie pedal give you that 'rectifier' sound?
Did you build the board yourself?
I build small batches of these pedalboards a couple of times a year and sell them on ebay.
Here is a represenative picture;

Here is a picture of a board I built and wired for a kid at my church;

Keep up the good work!

Adam

Adam,

Thanks!
Those are some NICE boards you're building! How are you doing selling them? Thought about that myself!

Are those George L's cables between the pedals?

I built mine a couple of weeks ago. I was going to either paint mine or put carpet on it but I decided to go for a natural look and just put a couple of coats of sand and sealer and polyurethane on it. I Just used 1/4" plywood for the bottom, and riser. And a 3/4 trim for support on the sides. Rubber feet on the bottom.

The Mesa Boogie V-Twin is a Very nice pedal. I havent tried any of the Mesa Rectifier amps so it's hard for me to say if it sounds anything like on of those. But I can tell you it has a very nice tone. Just grab one up on e-bay. If you decide you don't like it, you CAN re-sell it on e-bay with no problem!

Later,
Patrick

Patrick,

Those are george L's for sure. I really like them for a couple of reasons. One, is they sound great, or maybe better put, they don't sound at all, no coloration or loading if you will. To my ears anyway.
Second I like that they are solderless which makes for quick assembly once you get the hang of it.
I am using Monster for the connections between guitar-board and board-amp.
Now I am not Eric Johnson anal about my stuff, but I have no tone or signal loss weather I am straight into the amp or running through the board. Very cool!

I like your natural wood pedalboard. i love the risers for monuting stuff underneath. You obviously are meticulous about your stuff which I totally apreciate aesthetically.
What function does the 4 jack box provide for your signal routing?
How are you sticking them to the board?

As far as selling, I cant keep them around when I list them so there is a market for them!

In case you missed it check out my personal rig previously on this thread
Dig it!

Adam,
Nice set up on your board.
And a very nice web site.

The 4 jack box is just basic mono in thru the effects and back out to my Crate tube amp. Just makes things a little easier when setting up.
I'm using some 4" velcro that I picked up at the local hardware store to keep everything in place.

Later,
Patrick

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