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Description
CATALINBREAD KNIGHT SCHOOL SYNTH - DIY KIT DIYIf you want to get your hands on a Knight School Synth, we're offering them fully in kit form if you fancy building one yourself. Assembly is very straightforward and requires only a soldering iron, some solder, and proper ventilation, we'll take care of the rest. Here's a tale from the annals of my personal DIY history: I learned how to breadboard and read schematics right before college, and I breadboarded many designs posted on ampage. org. Shortly
If you want to get your hands on a Knight School Synth, we're offering them fully in kit form if you fancy building one yourself. Assembly is very straightforward and requires only a soldering iron, some solder, and proper ventilation, we'll take care of the rest. Here's a tale from the annals of my personal DIY history: I learned how to breadboard and read schematics right before college, and I breadboarded many designs posted on ampage.org. Shortly after that, I found a new DIY website. This one was called Beavis Audio. If you're familiar with this, it's for a good reason, BA was one of the premier DIY sites out there, and it refreshingly wrote everything in plain English. One of the projects there was called the Heterodyne Peyote Space Explorer". This introduced me to the CD40106 chip and I played around with that device for what seemed like double-digit hours when I was taking EE classes. One thing I stumbled across was when I combined a boost circuit I was working on with the 40106. It made an oddball noise, but one I thought could be cool with some refinement. It took a lot of tinkering, but it worked much better when I put a second boost circuit in front of it. I couldn't really explain why, but it sounded cool, and I built a couple for my friends. Some time later, I stumbled across a webpage authored by one Tim Escobedo. There's a ton of good info on his "Circuit Snippets" page, and it still exists today. As it turns out, Mr. Escobedo discovered a form of this circuit back in 2002, and comparing his circuit analysis with mine and the Space Explorer was a real "Eureka" moment for me. Our Knight School Synth is our most ambitious project to date. I've since leaned into Mr. Escobedo's method for producing the pre-gain, as it's simpler and uses far fewer parts than my original. Essentially, it turns your guitar signal into a square wave, and then uses the CD40106 to vary the pulse width of that square wave. There's also a switchable LFO, which automatically varies the pulse width for you, along with a Depth control to change the intensity of the shaping. It's a truly cool effect that emulates the monophonic synthesizers of yesteryear. Dare I say there's not a lot on the market these days that sounds like this! Controls - Rate: Speed at which the LFO automatically varies the pulse width. - LFO switch: Turns the LFO on and off. - Volume: Output level. - Depth: Intensity of the LFO. - Pulse: Takes your square-wave guitar signal and changes the width of the "on" square wave. Power supply The Knight School Synth only accepts a center-negative DC power supply capable of supplying 9 volts and at least 0,5mA of current (over is fine). DIY Kit information The circuit board has everything labeled as to what part goes where. You'll find the below image very helpful to identify what parts are what. There's also a video below showing you how the process will go. "Controls:
Volume, rate, lfo, depth, pulse.
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4.8 ★★★★★
Based on 342 reviews
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Product Reviews
★★★★★ 5
All-in-One Cigar Companion – Perfect for the On-the-Go Enthusiast
The DXXULL 4-in-1 Aluminum Alloy Cigar Tube has quickly become my go-to accessory for enjoying cigars during my golf rounds. This sleek black tube combines multiple functions into one compact design, making it incredibly convenient for travel and daily use.
Key Features:
-Built-in Cigar Punch: The integrated punch cutter is sharp and precise, ensuring a clean cut every time. It's especially handy when I forget my regular cutter.
-Hygrometer: The built-in hygrometer allows me to monitor the humidity levels, ensuring my cigar stays fresh and flavorful.
-Cigar Holder: The tube comfortably holds a single cigar, protecting it from damage while on the move.
-Portable Design: Its compact size makes it easy to carry in my golf bag or pocket, ensuring I always have a cigar ready to enjoy.
The aluminum alloy construction feels sturdy and premium, and the airtight seal keeps my cigar in optimal condition. Whether I'm heading to the golf course or just out for a walk, this tube ensures my cigar is always ready for a relaxing smoke
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Reviewed in the United States on June 17, 2025
★★★★★ 5
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Reviewed in the United States on March 10, 2026
★★★★★ 5
What an incredible value and amazing quality!
When this came up, I had to get it! I have several differrent cigar cutters, punches, and other accessories, but none compare to this one! It feels like a high quality knife, but is a cigar tool that does it all. I thought it was weighted, but was only the quality steel and components I was feeling in my hand. I took it to the cigar store I go to and asked if they had seen anything like this. They said yes, but are usually $75+ when you find them. It opens in your palm with a simple squeeze between the fingers and palm. The steel feels like quality in your hand, and when you open it and see both a V and standard cutter as the main parts, it seems like that's all it does. Nope.....it also has a poker on one side and a circle punch that folds out on one end. It is so easy to use and is something you will want to show your cigar smoking friends, as well as sharing it with them. It works extremely well and is an incredible value at this price. Highly recommended for any cigar smoker!
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Reviewed in the United States on December 4, 2025
★★★★★ 5
Great looking cigar cutter, would make a nice gift
Nicely made and feels pretty good quality for the price. It's not heirloom quality or anything but it's very solid and made to last. Finish is great, it feels good in hand and has no sharp edges or blemishes as is common on many of these products.
This includes a pretty complete set of all the cutters you could need all in one device, would make either a nice starter tool or would be a great gift to upgrade to if you know anyone still using one of those cheap plastic ones from the cigar shop.
The steel appears to be chinese made and not super high quality, but it's also unlikely to see hard use. I would expect it to last most of a lifetime without sharpening if only used on clean cigars and not abused.
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Reviewed in the United States on December 17, 2025
★★★★★ 4
The Ultimate Cigar Toolkit: A 5-in-1 Must-Have for Aficionados
This 5-in-1 Cigar Cutter Set is an incredibly thoughtful and practical piece of gear, making it a fantastic gift for any cigar enthusiast—or a brilliant upgrade for yourself. While it's not a 'perfect 5-star' tool in every single function, its sheer versatility and excellent ergonomic design earn it a very strong four stars.
The main attraction is the built-in versatility. Having a Cigar V Cutter, Flat Cutter, and a Cigar Punch all in one compact, ergonomically-designed unit is a game-changer. It eliminates the need to carry three separate tools and the frustration of realizing you left your preferred cutter at home. The cutters themselves are sharp, providing clean, crisp cuts right out of the box, though, like any blade, their longevity will depend on regular maintenance.
Where this set truly shines and elevates itself beyond a simple cutter is the inclusion of the Cigar Draw Enhancer and the simple yet effective Cigar Holder. The draw enhancer is a lifesaver for those tightly packed cigars that refuse to cooperate; it's easy to use and significantly improves the smoking experience when needed. The holder is a small but welcome addition, giving you a clean place to rest your cigar when a proper ashtray isn't available.
The ergonomic design is well-executed. It feels substantial and secure in the hand, which is crucial for making a confident cut. It has a premium look and weight that makes it an impressive item to unbox and use.
The only reason this set doesn't quite hit a full five stars is minor: while all tools are functional, the punch and draw enhancer, while very useful, can occasionally be a little tricky to deploy or stow quickly compared to their standalone counterparts. For example, a dedicated V-cutter might offer a slightly deeper, more customized cut. However, this is an acceptable trade-off for the unparalleled convenience of having all five tools together.
Overall: If you value convenience, functionality, and portability, this 5-in-1 set is an excellent investment. It’s an ideal gift that says, "I want you to have the best experience possible with your cigars," and is genuinely useful on any occasion—whether it’s a Christmas stocking stuffer or a Father's Day present. You won't regret adding this versatile piece to your collection.
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Reviewed in the United States on October 15, 2025