audio probe guitar pedal Zvex Wah Probe – Big City Music
SKU: 3413071756
audio probe guitar pedal

audio probe guitar pedal Zvex Wah Probe – Big City Music

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Description

audio probe guitar pedal Zvex Wah Probe – Big City MusicThis effect is a natural continuation of the probe series the fuzz factory probe, the volume control manual tremolo probe, and now a wah. It's probably exactly what you think it is: a theremin style antenna controlling a wah, getting brighter as your foot approaches. It has one extra feature, however. There's a Super Hard On boost circuit in front of the wah, with a knob to set the exact level of boost for driving your wah sound. It can be turned up

This effect is a natural continuation of the probe series... the fuzz factory probe, the volume control/manual tremolo probe, and now a wah. It's probably exactly what you think it is: a theremin-style antenna controlling a wah, getting brighter as your foot approaches. It has one extra feature, however. There's a Super Hard-On boost circuit in front of the wah, with a knob to set the exact level of boost for driving your wah sound. It can be turned up high enough to make the wah crack up a little for that "something's gonna blow" sound. It gets pretty darn loud!

The probe circuit generates a small (one or two inches high) "bubble" of RF energy at about a million cycles per second above the copper plate. As your foot or hand (or any wet or metallic object, for that matter) approaches the copper plate, the RF field is disturbed and the circuit reacts by increasing the brightness of an LED, which drives a photoresistive cell and controls the Z. Vex wah circuit. The wah circuit is actually the Seek-Wah sound circuit without the sequencer control. It's also the same wah circuit as the one in The Drip guitar that I make. The only difference is the boost circuit in this Wah Probe model.

Adjustments: The simplest one of these is the volume level of the "drive" knob... just set it so that when you kick on the wah it's doing its stuff at the right intensity. It goes from slightly lower than the normal guitar volume to completely bonkers when turned up all the way. I personally don't think it's necessary to turn it up all the way, in fact, it seems to pretty much obliterate the wah sound, but, to each his own. Abuse those transistors, please!

The next adjustment is the RF field screwdriver adjustment on the bottom of the pedal. If you turn it in the direction of the arrow (usually to the left for that one) it will make the probe circuit more sensitive and set the "bottom" setting of the wah higher and higher. It's best to hold the pedal completely upside down so that the cords are dangling away from the antenna, with your hand and arm completely away from the antenna, and strum your guitar's open strings (you probably have to have it on a stand or strapped on) thru the Wah Probe. Gently adjust the RF pot with a tiny screwdriver in the direction of the arrow until you hear the wah get to the level you'd like it to be when you are not putting your foot near it. There's a region where the sound of the guitar is kind of "muffled" and the wah kicks in after your foot gets near the pedal, which is how i ship the unit. If you like the wah to be partway cocked into the lower wah region just park the adjustment right where you like it. As you get closer to the unit, it will wah higher.
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SKU: 3413071756

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Michelle
New York, US
★★★★★ 5
Vibrant IPad case
Color: Purple+Colorful, Size: Case for iPad (A16) 11th/10th Generation 11/10.9''
My daughter loves her new case. Very sturdy , strap is strong and supported when in use and just the colors alone looks exactly like the picture
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Reviewed in the United States on May 19, 2026
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Kindle Customer
Lexington, US
★★★★★ 5
Durable, Full iPad protection, Good quality for the price, variety of colors
Color: Navy Blue, Size: Case for iPad (A16) 11th/10th Generation 11/10.9''
I am very happy with this SEYMAC case. The build quality is excellent—solid, rugged, and clearly designed to protect the iPad. The full body coverage with the built in screen protector gives me a lot of peace of mind, especially since this iPad gets used by my daughter for her art projects and she takes it everywhere. The 360° rotating hand strap and stand are surprisingly useful. The rotation is smooth, the strap feels secure, and the stand locks into angles that actually work well for drawing or watching videos. The added shoulder strap is a great touch too—it makes carrying the iPad hands free incredibly convenient. The strap doesn’t get used as much because it is typically in a bag or in her hand as she creates. The fit is perfect for the 10th gen iPad, and all the ports, buttons, and cameras line up exactly as they should. The Navy Blue color looks clean and professional without being boring. The added stylus holder is a plus as well. Overall, this case delivers outstanding protection and functionality. Its durable, designed well, and absolutely worth the price. I Highly recommended for anyone who wants serious protection without sacrificing usability. It also comes in a variety of colors so you can fit your personal style preferences.
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Reviewed in the United States on February 28, 2026
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bernardo rosales
Louisville, US
★★★★★ 4
Great Case, Just Minor Issues
Color: Black, Size: Case for iPad (A16) 11th/10th Generation 11/10.9''
This case is an overall good case, in the sense that it does a good job protecting the tablet. It covers the entire screen with a plastic screen, which I personally like and don’t mind. It also had a kick stand and sting to hang it, which is a must for kids. My kid has not broken his tablet since getting this case, BUT he did not last very long with it on. The plastic screen protector and the front piece, made it super difficult for him to pull down his control center from the top right corner. This annoyed him so much that he ended up taking the whole case off and eventually losing it. If they could make the plastic sheet more fitted to the screen so that the issue is fixed I would give 5 stars.
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Reviewed in the United States on November 20, 2025
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Carrie A. Shaw
Houston, US
★★★★★ 5
Great for portability and Many uses
Color: Black, Size: Case for iPad (A16) 11th/10th Generation 11/10.9'', Color: Black, Size: Case for iPad (A16) 11th/10th Generation 11/10.9''
I use my iPad for work!! This case is a fantastic addition - easy to use when I’m on the couch or in the Office. Stand is easily changed from vertical to horizontal - Velcro handle can change large or small. My stylus also attached to the back so everything is ready on the GO
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Reviewed in the United States on May 14, 2026
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Ravi M, Bloomfield NJ
Charlottesville, US
★★★★★ 5
Great value to protect your ipad.
Color: Black, Size: Case for iPad (A16) 11th/10th Generation 11/10.9''
Nicely made and thought out product. Fits perfectly and comes with everything you need. Easy to install, looks very sturdy. The shoulder strap it comes with to carry it around makes it even more versatile.
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Reviewed in the United States on April 22, 2026

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