This kit contains all parts you need to build a fully functional effect pedal. A guide to the best Fuzz Face pedals - a circuit that deserves to sit proudly on the fuzz pedal podium, offering a nuanced and dynamic sonic behavior at different gain levels. Do the same thing if you are checking the bias of Q1 collector, but IIRC, the voltage should be about 1.5V. 4. In a Common Emitter transistor the voltage … You can select the enclosure you want. This Germanium version features 2 germanium transistors and has posititive ground. Has anyone else had this problem? Simply put, the volume pot is a voltage divider (that encounters an AC signal only). The FUZZ from Jackson Audio takes faithful recreations of historic fuzz circuits and brings them together in one modular pedal that allows you to create classic fuzz sounds as well as new fuzz sounds that are impossible with these original circuits! bref c'est du tout bon . The Fuzz Face is a distortion guitar pedal designed in London by Arbitrer Electronics Ltd in the autumn of 1966. Transistors. La FUZZ FACE , c'est la fuzz de hendrix / clapton ... et même SRV . This kit contains all parts you need to build a fully functional effect pedal. I had also seen much written about the complexities of proper biasing and transistor selection, which made the Fuzz Face a bit more more daunting for me, still a relative novice. Figure 2 shows the gain block represented by the Darlington pair dropped into the familiar Fuzz Face circuit. The key to building a good fuzz face is ensuring that transistors are getting the correct voltage. history. element (reverb à ressorts) utopia (delay) autres. Voodoo Labs Pedal Power 2 Plus power supply. Other than that, Bonamassa is pretty much standard Fuzz Face with Russian transistors. This 69er version features 2 germanium transistors and has posititive ground. This is the reason why different Fuzz Face pedals sound a little different, and some better than others. But when we look at the circuit: Fig.1 Fuzz face circuit, classic 60s original schematics (made with Fritzing) Not so easy to understand, isn't it? Thus the bias voltages will shift up and down, so the sound produced by a germanium Fuzz Face may change as the equipment heats up or cools down. Sili-Face. If the pot is set to 12 o’clock (half-way) then a 100k ohms pot places 50k ohms series resistance on the output of the circuit. Because it has happened with 2 different builds I'm thinking maybe it's an offboard wiring problem? The Dallas-Arbiter Fuzz Face has been around since 1966, and it shows no signs of dying any time soon. If you give the Fuzz Face less voltage, it becomes crackly and bright, and if you give it more voltage, it becomes huge and round. That spitting, snarling and surly sound of rock legends past and present! 28 posts 1; 2; Next; polifemo Breadboard Brother Information Posts: 136 Joined: 09 Nov 2007, 22:42 Location: Stockholm, Sweden. Has thanked: 2 times. www.diyguitarpedals.com.au 5 2.2 Voltage Gain of the Input Stage . A fuzz face, to go from glassy clean'ish to overdrive to full on fuzz with the volume knob. Consommation: 10mA maximum. It is best to place it first, or before them, in the pedal chain. Et bien sûr, 2 contrôles : volume, et fuzz, tout simplement. Most of the other brands deal with this in one of three ways: 1.) However, the original Fuzz Face was mass produced and each transistor was not specifically chosen. It currently does only a few calculations, but more will be added as time allows. Messin' around with a FF circuit on my breadboard right now. The Ramble FX Twin Bender solves this problem with a built-in voltage inverter. Special thanks to Peter Snowberg for assisting with this project. So it is NOT possible to power it along other pedals on one power supply. You need an extra power supply or a battery. If you used stock values you should be pretty close already. The FFM3 is the latest reissue of the legendary JHF1 Hendrix Fuzz Face, ... Gain: amount of fuzz; Variac: voltage level; What Is That Variac Thing? Frequently asked question on transistors: types, substitutions, how to test, use and misuse them. Voltage/Resistor/Q1/Fuzz Face. The sound of rock and righteous indignation worldwide! Fuzz Face Fuzz Does the Fuzz Face really need an introduction? You need an extra power supply or a battery. Forum member Gus just started a thread on a different way to bias a Fuzz Face. For the best results with this PCB the transistor in Q2 needs to have the correct voltage for optimum performance. The original board-mounted pot version is ideal for the simplest way to build a NPN version, or a PNP build that can't be daisy-chained for power. Current leakage was in the range of 20uA. Also, the battery is part of the circuit. I didn’t use any fancy transistors, like is so often the case in a fuzz pedal. But there seems to be a ton of variance in sound in just that style of fuzz, which seems to be down to the transistors and how they are biased. For example, the BC108 transistor which is commonly found silicon fuzz face pedals has a gain range from 110 to 800. In … They are distinct from other families by their dissipable power and their maximum collector current. All the parts needed to set up the basic NPN silicon Fuzz Face found in my article Breadboarding A Silicon Fuzz Face. ... A 1N914 will reduce voltage to the circuit by about one volt (this is not necessarily a bad thing for this circuit). Welcome to EMH! Fuzz Face Fuzz Face Kit Parts list (1)Circuit Board, (1)Battery Clip Resistors Welwyn Metal Film 470r, 8.2k, 33k, AB Carbon Comp 100k. Capacitors (1)0.01uf K40Y-9 Paper in Oil, (1)22uf NOS Roederstein axial, (1)2.2uf Metalized Polyester film. Check it out! AC128 kit $16.90 Mullard OC75 kit $35.90 A 470k ohms pot would place 235k ohms series resistance on the output. A guide to the best Fuzz Face pedals - a circuit that deserves to sit proudly on the fuzz pedal podium, offering a nuanced and dynamic sonic behavior at different gain levels. In 1967, some models have been known as bringing a so called “creamy” sound texture to Fuzzboxes. Schematic M VOLTAGE INVERTER C1 10u elec C8 10u elec C9 100u elec D1 1N4148 D2 1N4001 IC1 7660S The voltage inverter circuitry incoporated into the PCB allows you to power a positive-ground version of the Fuzz Face on your normal negative-ground supply chain. Figure 1 shows the idea: the two resistors form a voltage divider that puts the Base of Q2 closer to ground or closer to the current source represented by the Emitter of Q1. Logged GammaFlex. This is what I do for the 1948 Fuzz I make. The fuzz sounds strange and super gated and nothing like any clips of a fuzz face I've ever heard. Break the Chain. The Fuzz Face circuit runs on power that is reverse polarity of a more common, Boss-type effect. Here’s what I’ve got: Russian MP39B : germanium PNP, relatively low hFE (20-60) used in Dunlop Bonamassa Fuzz at Q1 position. The R3 and R4 resistors are a voltage divider that is reducing the signal level going to the output. Do NOT plug your Fuzz Face into a daisy chain adapter. Le circuit de la fuzz face est vraiment très simple, comme on peut déjà le remarquer au vu du faible nombre de composants : 4 résistances, 3 condensateurs et 2 transistors ! The Fuzz Face is one of the big classics in stompboxes. high voltage (plexi preamp) feed me (fuzz face) bitoun fuzz (double fuzz) freq up (boost) modulations. ex : AC128 (Fuzz Face, 1966-69) These transistors were at first designed to drive the loudspeakers of radios and consumer audio products. Le problème qui se pose , c'est que les choses ne sont pas aussi simples : hendrix avait au début la fuzz face des 1960' en transistors germanium ( Ge ) , puis il a eu la version 70' en transistors silicon ( Si ) . ground Fuzz Face with all your other (negative ground) pedals if you add this additional wrapper inside your pedal. When I began building effects, I dismissed the Fuzz Face as a circuit for Hendrix-worshippers. Variances in voltage and internal resistance can make an audible difference. Glue Fuzz Technical data Power: Input voltage: 9v. Arbiter Fuzz Face The Fuzz Legend Welcome to a legend. Mais quand on regarde le circuit : Fig.1 Circuit de la fuzz face, version des 60s (tracé avec Fritzing) Pas si facile hein ? Whereas an OC71 (also found in some more vintage Fuzz Face pedals) has a gain range of 30 to 110. It was only in 1993 that Dunlop Manufacturing took over the production, making a variety of Fuzz Faces to this day. Well, this latest version does... Two different PCBs are available with the kit. The Fuzz Face, first issued in 1966 by Arbiter Electronics Ltd, is probably the most famous fuzz used by many guitarists like Jimi Hendrix, David Gilmour, Jack White from The White Stripes, Dan Auerbach from The Black Keys and many more. The voltage required is 4.5v. Through this design's past you'll find all kinds of different variations in the basic original circuit, from PNP Germanium to NPN Silicon, and a countless number of fuzz pedals that are based on it. Stompbox Star; Posts: 139; I love the smell of germanium in the morning... Re: Silicon Fuzz Face Biasing problem « Reply #1 on: June 16, … impedance than its original germanium Fuzz Face counterpart. To bias the transistor you will require a Digital Multimeter that has the ability to measure voltage. This is the basic schematic of a PNP germanium fuzz face. Post by polifemo » 03 Jan 2014, 15:23. C4 is not needed if you plan on using only battery power. The Metal Oxide Fuzz low input impedance will load the guitar pickups. Une pédale de Fuzz (avec l’octave supérieure réglable) au look magnifique, dont le son évoque son inspiratrice ou les vieilles Fuzz Face. How Do Other Pedal Brands Deal With This? The fuzz schematics you can find on the internet, like the fuzz-face, need some tweaking as they’re build for guitar level signals but circuit topography is pretty much the same. This is the reason why they do not respond well when they are placed after other pedals. So it is NOT possible to power it along other pedals on one power supply. As simple as that! Out of 20 that I bought, there was not a single one leaky or even close to what’s considered a leaky transistor. EMH is the Electronics Math Helper. Transistors (2)Hand-Picked Germanium Transistors - Q1 = 65 - 80 h fe Q2 = 85 - 110 h fe. The Fuzz Face is one of the big classics in stompboxes. Some players find that the output volume is too low, but there is a simple mod to fix it. ages (cabine leslie) sliver (tremolo) phase lag (phaser) retards. On a mass market approach, it is extremely difficult to get the exact germanium transistors needed. C’est une vraie Fuzz, qui décroît de manière un peu floue sur la fin des résonances des accords, mais dont le sustain tient la route si l’on tire bien sur la corde. As you may have noticed, the Super Badass has one special feature that makes it stand out from other fuzz pedals: the Variac control. The Fuzz Face is perhaps the most well know implementation of this topology, however two very similar effects predate the Fuzz Face, and the history of these units, and the mystery of the original designer, is a subject of much debate and fascination. Fuzz face is really a simple circuit design, as you can already tell by the number of components of the circuit: 4 resistors, 3 capacitors and 2 transistors! The inverter allows Twin Benders to be powered just like any regular 9V pedal, even daisy chained with other pedals sharing an adapter. This fourth knob simulates the voltage variations of the battery, which can range between 5 and 15 volts. And of course two controls: fuzz + volume! This is a feature not found on most fuzz pedals. FUZZ! These parts can be re-used hundreds of times to try out ideas. A super value that includes an organizer with all the parts and materials for this project and more. A more conventional term would be "shunt-series feedback voltage amplifier," or something along those lines. Parfait pour les notes individuelles, comme pour les accords. As some pedals, like the classic Fuzz Face circuit, require two or more transistors, understanding these gain ranges becomes incredibly important. Note that the LED leads are reversed for the PNP versions. Also, Mac posted his ideas.