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Discussion in 'The Stomp Box' started by blowtorch, Nov 29, 2018.
Looks very cool!
Is that component actually clipping the signal? TBH, I don't hear anything particularly unique or gamechanging about the pedal/tone..
It occurred to me that my MXR Super Badass Variac Fuzz, that I got for 40 bucks, sounds real similar. But that doesn't have a cool mad scientist plasma tube in it
Yeah, Famous boutique builders United Nuclear released their Van Der Graaf Gen yesterday...
Looks cool. Sounds terrible.
It uses a transformer to boost the guitar signal to sufficient voltage to spark the plasma tube, then sends it to ground. An AM antenna is then used to recover the RF from the discharge of the plasma tube.
It's explained about half-way through this video:
1) The typical guitar product reviewer has no idea what they are talking about when they try to explain how things work.
2) Putting the output of an AM receiver into the audio path seems like an exceptionally bad idea. Is this also mentioned somewhere else besides in that review?
That gated/velcro ripping sound is sought after in some circles, although these days it's not as rare as it once was. This is obviously not a twang machine or a subtle/rich boost type pedal
They're certainly paying a lot to hype it. All the "usual suspects" on YouTube seem to have a review video of it.
It's one of the developers of the pedal who explains it, and it's also explained on their website that the original signal is sent to ground coming out of the plasma section. Did you even watch the video?
He says very specifically in the video that there are two other engineers who developed the pedal and that the engineers explained how it's working to the guy who is doing the demo. Have you watched the video?
Where is it explained that there is an AM receiver in the pedal?
You're right - the guy in the demo wasn't one of the engineers, I apologize, was only operating on half a coffee, and I was both incorrect and grumpy sounding. At least it wasn't the interviewer explaining the operation of the pedal - it was one of the four guys that make up the company; better, if still imperfect since he wasn't one of the engineers.
The website and the video both describe this, in terms of the RF recovery/coupling portion of the pedal:
"The PLASMA PEDAL loses the original DRY input signal and creates a new signal from fluctuations in the electromagnetic field surrounding the gas-discharge tube."
So the output is coupled by the RF generated by the discharge tube, if what they are describing is accurate.