Rated as one of the best guitar boosters, this classic and simple DIY project is the Super Hard On. The gain is a negative-feedback control styled after classic 60's recording console inputs.

This mini guitar amplifier is based on the Ruby Amp (runoffgroove.com). It delivers ½ Watt at 9V, being perfect as a home practice amp. It has gain and volume control, offering a very dynamic sound on any speaker.

The Distortion + has the ability to generate various personalities of overdrive, distortion or fuzz, depending on the way you play the guitar. This popular pedal is one of the DIY classics.

The LES LIUS simulates the sounds of the vintage Fender amps. It has a toggle switch that allows you to change tones from Tweed Fender Deluxe, High Power Twin and Master Volume.

This pedal emulates a VOX AC amplifier working at the limit. It has the ability to work as a clean boost or an overdrive depending on the volume and gain control, offering a great dynamic response and open sound.

This guitar pedal offers a very smooth type of overdrive similar to the saturation generated by a vacuum tube. It is perfect to play blues and rock, adding a smooth saturation and good sustain.

This pedal can generate every tone you need. The Crunch channel provides from soft overdrive to hard rock distortion. The High Gain channel offers from rock gain stages to high-gain shred. Additionally a Boost will add extra volume to your pedal output.

The Box of Rock pedal emulates the JTM45 tone, a remarkable classic distortion sound. This pedal has very high headroom and you will be able to control the distortion tone by using your guitar volume knob.

This pedal is the classic LPB booster, used for extra boost and definition. It will increase the gain and saturation of your amp.

This bass booster is the Hog's Foot or Mole. It is a Linear Power Booster tuned for bass.

This treble booster is the Screaming Bird. It is a Linear Power Booster tuned for highs. Whether it's overdriving an amp or just adding some highs, it will make your guitar cut through any mix.

This pedal boosts your treble with a very nice sounding. It is a very classic DIY project very close to the Rangemaster using silicon transistors. You can use it to add some treble or overdrive your amp with a great sound.

This is very simple and effective distortion circuit used in multiple designs like Lovepedal Woodrow. It emulates the tone of a cranked Fender 5E3 Tweed Deluxe amp. You can use this pedal to obtain many different tones and gains.

The COT 50 gives a boost to the guitar with a unique tube-like sound. It can be used as a clean boost, crunch boost or overdrive. It has only one knob to control the amount of gain.

This is the One Knob Fuzz, a high gain silicon fuzz with a very smooth response. This pedal is a classic DIY project, it is very easy to build and has a great fuzz sound.

EP Booster is perfect to boost the guitar adding some sparkle and definition.

The Purple Plexi is a powerful distortion pedal with plexi-style amps tone. It is very dynamic and touch-sensitive distortion, perfect for rock music.

Distortus Maximus is a high-gain distortion pedal with three-band equalization. It produces rich harmonics and massive amount of gain ideal to play metal.

The Fuzz Factory is a five-knob fuzz pedal with huge range of sound possibilities. This is classic DIY pedal project that can be built with either germanium or silicon transistors.

This is the classic Guv’nor, a high-gain distortion pedal. It has a vintage valve amp sounding, with a wide range of distortion and three knobs to control the tone. It is a perfect pedal for blues, rock or metal.

This is the Fuzz Face, the legendary fuzz distortion pedal. With this PCB you can build the original or many other variants using either Germanium or Silicon transistors.

A preamplifier with Junction Field Effect Transistor (JFET) makes your guitar sounds great, operating in similar manner to the vacuum tubes. This circuit is very simple to build and can be used as a booster.

This board will help you to build your DIY guitar pedal in the 1590B enclosure. Led, jacks and footswitch are mounted on the PCB, being only necessary to wire the battery and the effect PCB.

The Tubescreamer is probably the most built overdrive pedal in the DIY community. The pedal has a characteristic mid-boosted tone perfect for soft rock and blues. Also, for rock and metal, it can be used before the lead channel of amplifier to make distor

This is the RAT, one of the most popular distortion effects from the 80´s. It performs very nice high-gain distortion suitable for metal, grunge or rock.

The Dual Loop allows you to alternate between two different effect loops. It provides two switchable loops (send / return) with a single foot switch.

This simple and effective buffer improves the high frequency degraded by long cables or pedal chains.

This popular DIY pedal produces the dynamic feeling and harmonics typical of tube amps. It has a switch to control the overdrive brightness.

The most popular DIY high-gain distortion pedal is here. The Brown Sound In A Box version 2 (BSIAB2) is the excellent distortion pedal. It performs Marshall-type distortion that sounds great with low or high drive.

Quality through-hole FETs are becoming hard to find, replacing them with their SMD version is the best solution. This PCB is designed for placing SMD transistors and easily substituting the through-hole ones.

This board will definitely help you to build your DIY guitar pedal in the 1590B enclosure. Just built your effect circuit on the preperforated area of the PCB. Led, jacks and footswitch are mounted on the PCB, being only necessary to wi

The Shred Master is a classic high gain distortion pedal from the 90s. It provides a good range of gain and has three knobs to control the tone. It is a perfect distortion for playing rock or metal.

This board will help you to build your DIY guitar pedal in the 1590BB enclosure. Led, jacks and footswitch are mounted on the PCB, being only necessary to wire the battery and the effect PCB.

The Orange Squeezer is a classic DIY guitar project. This simple circuit provides an effective and smooth compression effect. It is perfect to control and shape the dynamics of the guitar sound.

This classic DIY pedal is the Stratoblaster, a simple and effective booster. It is perfect to drive a tube amp or give presence to the solos. At high boost levels, it will give a nice and warm saturation.

With this charge pump you can have -9V and +18V from a +9V voltage source.

The Rangemaster is the most classic treble booster from the 60s, used by Eric Clapton or Brian May. This pedal produces a brighter tone and adds color to the signal.

This is the legendary Big Muff! This unique fuzz distortion pedal provides rich harmonics and a huge dose of sustain.

This is the Tonebender, one of the most iconic fuzz effects from the 60s.

The Box of Metal is a high-gain distortion pedal great for metal and hard rock.

The OD-1 is a legendary overdrive pedal. With only two knobs (gain and volume) creates warm and vintage overdrive tones.

This is the EA Tremolo, classic and simple DIY guitar effect project. This pedal varies the volume automatically over the time with speed and intensity controls. It also includes an LED indicator to flash in time with the effect speed.

Dr Q is a classic autowah DIY project. This envelope filter effect is highly interactive with the dynamics of the input signal, creating a distinctive choppy rhythm guitar similar to the funk recordings from the 1970s.

The Zendrive delivers the perfect balance of saturation and tone. It comes with four knobs to control the gain, volume, tone and voicing.

This is the Fuzz Factory in a 1590B enclosure, a classic DIY fuzz pedal project that can be built with either germanium or silicon transistors.

Dr Boogie Distortion is a JFET emulation of the Mesa Boogie Dual Rectifier Solo Head.

The Red Llama is a very versatile and easy to build pedal. With just few components and two knobs, it delivers great overdrive and distortion.

This board will help to build your DIY guitar pedal in the 1590BB enclosure. Led, jacks and footswitch are mounted on the PCB, being only necessary to wire the battery and the effect PCB.

This is the Blues Breaker, a very popular DIY pedal. It gives a very dynamic range, from transparent to overdriven sound.

The Full Drive is a very versatile overdrive pedal with several clipping options and boost.

The Timmy Overdrive provides a classic transparent overdrive with a huge versatility thanks to the three clipping options.

The OD Eleven provides a classic transparent overdrive perfect to drive a tube amplifier.

Distortus Maximus is a high-gain distortion pedal with three-band equalization. It produces rich harmonics and massive amount of gain ideal to play metal.

The Box of Rock pedal emulates the JTM45 tone. This project simplifies the original circuit by removing the boost section, fitting in a 1590B enclosure with 3 knobs.