The Dunlop GCB95F is Mark’s go-to wah pedal – his one and only – and it has featured on essentially every Khruangbin live performance to date. As for why this particular pedal, Mark has pointed to its Fasel inductor as a key part of the appeal.
My preferred setup is my guitar into a Cry Baby wah that I never turn off. It’s usually toe-down, in its most trebly region, so if I have to switch it on, it doesn’t change the tone so drastically.
Khruangbin’s Mark Speer: Addicted to Reverb
The Fasel is a small coil component at the heart of the wah circuit that determines the character of the filter sweep – the inductor is the main component that affects a wah’s overall character, smoothing out the frequency shift and adding a certain warmth and voice to the sound. Originally handmade in Italy, these inductors were integral to the vocal quality of the earliest Cry Baby pedals – the ones heard on recordings by Hendrix and Clapton – but had been unavailable for years before Dunlop reissued them.
I’m using the GCB95F. I like it because it sounds funky. Some wah’s just dont sound cool to me. like instead of a wacka wacka, they give you a gweh gweh. Like something about the sweep/freqeuncy response just sounds corny. So I like the Fasel wah. It sounds like I think its supposed to. I also cut the feet off of the treadle for a slightly wider sweep. If you’re looking for that super sharp percussive guitar sound used in reggae, the GCB95F can absolutely get you there.
Mark Speer on Reddit
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