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FDP Forum / Miscellaneous and Non-Fender Topics / Buffered pedal issues, Wampler video



May 17th, 2018 08:48 AM   Edit   Profile  

IMO Brian Wampler has some good videos on YT.
He attempts to help out and solve problems as opposed to just selling something.

The topics of true bypass and buffering and pedal boards and cables and etc etc etc come up here from time to time.

Here is a video which gives an extreme example of what can happen when using buffered pedals.

Granted, this is an extreme example. However, I personally have had an issue with a buffered Boss pedal in a properly buffered effects loop on an amp. So it could be just one pedal is all that it takes to mess with you.

This is sort of a companion topic to a couple of others that I've done on true bypass "looper" strips.

With all of the talk about cables and capacitance and such, how many actually consider the affect that true bypass and cable length and cables and buffering have on their tone?

Anyway, enjoy and comment.

Search terms:
true bypass
pedal board

Brian Wampler YT video, True bypass versus Buffered bypass

Contributing Member


trust your cape
May 17th, 2018 09:19 AM   Edit   Profile  

The amp's circuit matters too, because the input gets loaded down by the stuff that's plugged into it. Different amp circuits load differently.

This is why it is good practice, when hooking stuff up, to try everything and see which scheme works best and sounds best.

Getting good tone requires some experimentation. Sometimes you get lucky and hit a home run, but most times you have to spend a few hours trying different things.



May 17th, 2018 07:28 PM   Edit   Profile  

Peegoo: Not trying to be too picky with verbage, but the stuff plugged into the amp input doesn't load down the amp input.
Rather, the amp input loads down whatever is plugged into it.
The "stuff" (guitar and/or pedals) is the signal source, the amp is the load.

Also, he shows the condition where it's just guitar, cable(s), amp.
This is the baseline, and you always need these three pieces as a bare minimum. (We're talking Brian's video, not any kind of wireless system. That is a whole 'nuther topic.)
If you have a problem in this baseline configuration, you need to fix this first before even thinking about adding any pedals.
Regardless of his basic baseline tone in the video, he is attempting to show the possible effects of multiple buffers in a signal chain. He has done that.

Baseline condition: I'll also make the statement that except in rare cases and/or when the amp is not working right, the amp input is not going to be a problem. The input is/should be high enough impedance wise so that it will not load down a guitar.
I'm speaking of the highest impedance input available on the "average" amp. A lot of amps with a "Lo" additional input not only attenuate the signal, they also end up presenting a very low input impedance to whatever is plugged in.

I'll also make a statement that if there is a problem with the guitar/cable/amp baseline condition, the first culprit to look at is the cable.
A poor cable, or defective, or too long, or whatever.
The "too long" part and the gremlins that it brings with it (namely capacitance) is where the buffer bidness starts coming into the stew.

And I agree with you about needing to try different hook ups and configurations and orders. Not just for impedance/loading/electrical issues, but also what just sounds better before or after something else. He has videos for that, too. And Pete Thorn also has multiple videos where he experiments with the order of various effects.

Granted, most people don't have enough of an electrical background to look at schematics and different circuits to try and see what kind of an effect a design might have (true bypass, buffered bypass, hard wired bypass, whatever).
And in the end, I'm not sure that they need to. What really matters is if it sounds good to whomever is wailing away with it.

All of this is why I have become a fan of true bypass "loopers" strips/systems. If you're not using an effect on your sound, it is switched out and totally not in the chain any more, period. It's not loading anything (except for, duh, the power supply, if you're using one).

(This message was last edited by ejm at 09:48 PM, May 17th, 2018)

Contributing Member


trust your cape
May 17th, 2018 08:18 PM   Edit   Profile  

I'm a huge fan of Pete Thorn's stuff. He hides no secrets about how to get good tone.

And he's a dang fine player too.

FDP Forum / Miscellaneous and Non-Fender Topics / Buffered pedal issues, Wampler video

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