Mpsa18 fuzz. It made a great overdrive pedal but I wanted more crunch.
Mpsa18 fuzz. 9v 1N5239B 100uf 9. 01uf 500k "level" 47pf "fuzz" 1k 2. Sep 7, 2012 · so i looked up the transistors, to see what would sub, and it came up mpsa18 for q1, and our old friend 2n3906 for q2. BC108 and BC109 are not particularly low-noise, but they show up in plenty of good-sounding pedals. Mar 14, 2014 · The Hoof Fuzz is a germanium/silicon hybrid fuzz which is based on character of the classic green Russian muff. Then I tinkered around and invented a one AAA battery version pnp germxistors fuzz. Aug 11, 2017 · The MPSA18 were way to distorted, if you're trying to get that Hendrix sound. uk Q2 MPSA18 BJT NPN Q3 2N2907A PNP Bipolar Junction. File Size: 278Kbytes. It controls level of output of Fuzz Face. The effect will produce about 0. Vintage pedal builders had a much smaller number of transistors available compared the the options we have today. Example transistors that could be used: Transistor hFE min @ VCE=5. Great fuzz. Feb 2, 2020 · You have 4 controls - Voice, Treble, Level and Fuzz - where 'Voice' is a really handy sort of Mids shift control - affecting Upper and Lower Mid frequencies. Download. May 20, 2007 · The PCB and Layout The layout that I've included for this project is for the original positive ground version. Reply Delete MPSA18 Transistor- MPSA18 NPN General Purpose Transistor . I have on hands : 2N5089 Hfe= 400-1200 2N5088 = 300-900 2N5087 = 250-800 MPSA13 reading 900 Hfe MPSA18 = 400-1500 2N2369 = 60-120 Mar 14, 2016 · The original Fuzz Unit used 3x ZTX382B's Q1 & Q2: Hfe ~600 Q3: Hfe _150 The more common equivalent is meant to be the BC184, and I built one ages ago, and sold it, but I'm sure I used 2N5088's since I had some spare, and the Fuzz Unit circuit is like a slimmed down Big Muff, and the 2N508/9 is common in BM's. May 17, 2010 · Dunlop (who made the older Vox 847 wahs, but not the newer Chinese 847A) uses high gain MPSA18 transistors in their wahs, which is one reason IMO they don't really sound like the old wahs. Was going to go with a fuzz face, but the bazz fuzz caught my interest. I'll try some BC108 or BC107 for Gilmour's tone / Hendrix's tone for a Jun 15, 2022 · Although the circuit itself is small from a components standpoint it is rather quirky (as most Devi Ever circuits are) in its layout. Muff Master (Based on Big Muff) – Click HERE. Basically i am figuring this has something to do with biasing transistors, especially when i have to sub a transistor or something for one that i General-purpose NPN silicon transistor with low to medium gain. in my experimentation i found little difference between random npn transistors in my stash Jan 18, 2006 · q2: bc109c, 2n5089, mpsa18 (hfe 400-500) This will get your neighbors saying mean things about you the 2n5089 will take away some of the noise with this combo Quote from: Dragonfly on January 18, 2006, 06:42:30 PM stoopid. I imagine the thing could be easily built with some low-to-medium gain NPNs (3904, 2222, 4401, C828, etc) for the front pair, and a 5088 or MPSA18 for the 3rd transistor. It,s not as zany as a Jordan Bosstone, but clearly more intense than a Fuzz Face. NPN Fuzz (Based on Fuzz Face Sep 8, 2012 · LucifersTrip Resistor Ronker Information Posts: 413 Joined: 06 Aug 2010, 11:39 my favorite amplifier: Companion Psychedelic Machine Completed builds: Mosrite Fuzzrite (Si), Mosrite Fuzzrite (Ge)[2], Get Lo-Fi Fuzz, Fuzz Face (Ge) [2], Fuzz Face (Si) [3], Mos-Face, Vox Tone Bender, Kay Tremolo, Os Mutantes Fuzz [2], Psychedelic Fuzz, Smokey Amp, Sunn Buzz, Jen Fuzz, Fancy Fuzzbox, Muff Fuzz (op Guitar distortion circuit - modified from the '1 tranny fuzz'. Due to the type of circuit, input impedance is tricky to calculate without a simulator, as the fuzz knob itself, along with the MPSA18 that only has a negative feedback shunt resistor to stabilize it. It plugs right into my Fender Strat Squier Bullet Electric Guitar. Another added bonus is that Silicon transistors don't suffer form temperature stability problems like Germanium transistors. Below is a simulation of the sweep of the fuzz knob. Description: Low Noise Transistor. Higher gain than 2N5088 and BC549C. Mar 31, 2023 · エフェクター 自作 Fuzz Soda Meiser MPSA18 などをつかったのですが、ちょっとなかなか手に入りにくいものの回路図を見つけたので作ってみました。 FUZZらしいとの事で作り始めたのですが、またまた2M2、3M3という自分の周りでは手に入りにくい抵抗があったため Substitute for MPSA18 transistor Decided to build my first pedal! Got all the parts for a simple fuzz pedal, but the guide I'm following uses a MPSA18 transistor, which is now obselete. I can see the "mojo" appeal in the BC109's, but honestly, I think Dunlop made an improvement by putting MPSA18's in their crybabys. This is the crucial paragraph: R. General-purpose NPN silicon transistor with low noise. Jan 19, 2022 · Which turns out to be 2 x 2N2222 + 1 x BC108C + 1 x MPSA18 Silicon Transistors - so essentially a different kind of 4-Transistor Fuzz - which Black Mass’s Kaden explains is actually much closer to a Fuzz Face / EQ Exciter topology. Aug 12, 2009 · i have 2n2222/2n2222a, 2n5088, 2n3904 for high gain options and bc107, bc108, bc109 for lower. Dec 21, 2013 · Damn this sounds cool. Even though I have a Roland GR-55 Synth w/Ibanez Electric 24-Fret Guitar, BC182L Fuzz (Based on Meathead) – Click HERE. Delete Fuzz Master is a modern take on vintage Maestro Fuzz-Tone FZ-1S, using low-noise MPSA18 transistors for buffer/mixing signals and NOS TFK BC109C for gain stages. I ended up using 2n3906 pnp instead and was really happy with the results. Compare to Frantone Lo-Tone Classic Fuzz Here's another tribute to Fran's creations. Manufacturer: Motorola, Inc. Though the bazz fuzz seems like a popular diy project and it sounds fine in clips, I don't see it used very much, either by players or commercial builders. Schematic by Jim Dunlop Note: Q1 & Q2 are MPSA18 Demo sound of Jimi Hendrix Fuzz JH-2: Thinking of a simple circuit to tinker with as my next project. 2uf 100 Q1 Q2 In Out 22uf 1n 68k 180k Q1 & Q2 are MPSA18 Model JH-2 Jimi Hendrix Fuzz Face Aug 11, 2004 · I wanted to build the Tripple Fuzz after the recent post lauding it, but I don't have an MPSA18 transistor on hand. otalgiafx. See full list on guitarpedalx. Love it! I know it's an "improved" version of Tim Escobedo Tripple Fuzz. 5dB which makes it ideal to use in applications where the amplification of very small or low gain signal to high gain is an essential requirement. Jun 9, 2021 · the DAM meathead has a status and a cult following in the doom and sludge metal community for being a massive wall of fuzz, i think that diodes would definitely add to that vibe. Why am I starting with version 2 and not the original? Apr 2, 2023 · I built my very own ‘Fuzz Face’ and ‘Tone Bender’ (nearly same circuit with an extra input pnp germxistor). Feb 21, 2020 · Howdy, I have a Fuchsia Fuzz in the works and wonder if you guys and gals can help me with some advice on what trannies to use. Like very high gain distortion/fuzz hybrid with sick up octave overtones. com Features. I breaded it yesterday and it sounded great. TO-92 with formed leads on cut tape. Compared to the axis fuzz, it has a little more bottom, and a lot more volume. i decided to suggest germanium there, but pretty much anything should do i would imagine. Maximum ratings are those values beyond which device damage can occur. It appears Tayda does not have those in stock (Small Bear does) but is there a common alternative for the 2N5089? I'm okay with ordering from two places if necessary - but, was curious if there was an easier sourced alternative. Cascade Fuzz (Based on Acapulco Gold) – Click HERE. Due to these tolerances in gain varying so wildly, it’s very rare that you’ll ever find two transistor fuzz pedals that sound identical unless the creator has painstakingly used the exact same values for their . It cleans good, but lacks a little of that chime sound as you roll the volume down (remember it's not a FF). Fleeced Fuzz (Based on Golden Fleece / Electra) – Click HERE. jpg Remember - you need to use the lowest Hfe transistors you can find. WIMA or similar film caps, tantalum and long life electrolytic capacitors, Just like the original effects we're using BC108 transistors for the fuzz and booster, BC109 or lower noise MPSA18’s and the original 2N2646 unijunction transistor for the repeater, etc…A nice compact package you can use with any guitar, bass, or whatever you want to do. Aug 26, 2007 · In the Fuzz Face article, the ultimate dictum most people put over their bed is the magic hfe range for fuzz face. I have a PN 4393 will that work equivalent to the MBF4393 specified on build doc? Also: I do have BC550B and I think the BC550C specifiesd would have slightly higher Aug 15, 2021 · Silicon Fuzz Face schematic (click for larger image) Volume Control. The Fuzz Master / FZ-1S ups the transistor count significantly from the OG FZ-1's two transistors: it utilises several low-noise MPSA18 transistors for buffer and signal duties, and I did a fuzz face sillicon (with dragonfly veroboard, tanks to him) yesterday with 2N5088 and BC550C, my god it was so noisy !! the Hfe of both transistors were 600hfe maybe too high for a regular fuzz . TO-92 with Mar 1, 2023 · Quote from: EvilEyeFX on March 01, 2023, 12:32:39 PM C2 was in the original fuzz that I based this of off, but that fuzz had no tone control. It then replaces the other stages with an LM386 power amp used as an opamp before the Tone and Volume controls. 3Vpp output at wherever the fuzz control is set. Q1 is a mpsa18, Q2 is a 2n3904, and Q3 is a 2n3906. To build it as the negative ground version that I cooked up, replace the MPSA18 transistor with a 2N5087, and replace the two 2N6519 (or 2N3906) with a pair of 2N4401. Page: 6 Pages. So - the Fuzz Face is a fortuitous combination of circuits that combine initial soft clipping with asymetrical clipping that changes toward symetrical clipping under drive. 2uf 100 Q1 Q2 In Out 22uf 1n 68k 180k Q1 & Q2 are MPSA18 Model JH-2 Jimi Hendrix Fuzz Face Nov 4, 2010 · Everything else was as per the drawing. J. • Pb−Free Packages are Available* MAXIMUM RATINGS. It made a great overdrive pedal but I wanted more crunch. Sep 19, 2020 · かなりのハイゲインfuzzです。mpsa18の性能が効いてるんでしょう。 んじゃ次々行きましょ！ ケース加工しましょ～ 今回はケース内部に超ゆとりあります。いつもは付けない電池スナップなんかも入っちゃうんですわ。 まぁ入れませんけどね。 Traditionally, the classic fuzz face has a gain range of 70-85 for the first transistor and 120-140 for the second transistor. Thanks in Nov 8, 2014 · Info about the original: Fuzz Moo Analog Fuzz Box Analog Sustained Fuzzy Distortion: Like any other MOEN Effects Pedal, the Fuzz Moo is designed with analog circuitry to ensure full processing and reproduction of the original signal without losing any details through digital sampling or processing. 1v 6v 470 330 43k 10k 0. Sep 15, 2020 · MPSA18 Transistor Explained / Description: MPSA18 is a high gain and low noise transistor with quite interesting specifications. Volume control is just a simple audio/log tapered potentiometer. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. 0V, IC=1. on the selected Q1 transistor, the less saturation and fuzz will occur and the higher the hFE value, more saturation and fuzz. Please complete the fields below to send your friend a link to this product. +m +m. Is a relly useful control, allover with the Fuzz 2 mode one. The maximum gain of the transistor is 1500 and the noise figure is only 1. The transistors are both MPSA18. Jan 4, 2019 · If you include an additional 100pF from base to collector of Q2, it will sound very close to an old germanium Fuzz Face without the hiss! BBE_WindowPainSchematic. This significant evolution and enhancement of the 1991 Texas Square Face Fuzz carries rarified pairs of both Germanium NTE103 and Silicon NTE123 or NTE128 Transistors - where you can deploy 2 of the same of each kind or combine in hybrid fashion. I just got 40 mpsa18 transistors in the mail a couple weeks ago so I've been designing fuzz circuits with them and really like how they sound. Oct 2, 2020 · I prefer the low-noise transistors like BC549, BC550, MPSA18, 2N5088, 2N5089 & 2N5210. An improvement for me, it's the gain pot: before using the 5k pot to ground, they used the knob as "input attenuator", which cleans better. co. Those are very low noise high performance transistors. May 25, 2019 · MPSA18 is a typical resistor - a good choice- but some have shown pics above that are not that type and have built in heat sinks- find the actual MPSA18. This is a way to control the loudness of that signal. 5 days ago · Today I finished this great and wild fuzz. It is capable of creating everything from dirty and organic overdrive to monstrous fuzz madness. When the fuzz potentiometer is at noon, the input impedance is close to 25K Mar 17, 2013 · - The blend knob rocks. 0mA MPSA14 10,000 MPSA13 5,000 MPSA18 500 2N5089 400 2N5088 300 2N5210 250 2N3904 150 2N4401 100 MPSA18 Transistor Explained / Description: MPSA18 is a high gain and low noise transistor with quite interesting specifications. Mar 11, 2022 · I am looking for a more precise and smoother overdrive/distorsion sound (too much splattery and fuzzy for me, as it is), and a fuzz able to mix harmoniously with it. The MPSA18 is way higher, 800+. Sep 27, 2024 · Quote from: TransmogrifoxI don't see how one can improve above the MPSA18 transistors. PART LIST (ctd) BILL OF REQUIREMENTS PART VALUE DEVICE TYPE Jul 29, 2019 · The earliest Silicon Fuzz Faces were quite distinct from the original NKT275 Germanium variety - being more strident and aggressive - and utilising BC108C and BC109C transistors, the third variety to be utilised was the BC183L which sounded a lot more like the warmer Germanium. Finally, understand that if your resistor on the board is not aligned properly in the circuit before power is activated, you can unwittingly burn it out, and then even if the circuit is The CENTRAL SEMICONDUCTOR MPSA18 is a small signal, low noise NPN silicon transistor designed for general purpose amplifier applications. Fuzz Control This circuit has been verified with both 2n5088 and 2n5089, but you can socket and try some other alternatives as mpsa18 and share your results with our pedal builder community! Controls Bloom I decided to build a fuzz factory for my second build, but after reading about germainium transistors being difficult I really wanted to avoid using them. This is a really good reference for modding a Vox 847 or similar wah to vintage specs: Fuzz Central's article on the Clyde McCoy wah states that a good range for getting the vintage sound out of the stock circuit is from 350-400 hfe range, and he says if you have two different gain transistors you should put the lower one in Q2 and the higher one in Q1. com, while there is only one listed right as of this moment. G. [i]Technology of the Fuzz Face[/i] wrote: I've done a lot of circuit simulation on the FF, twiddling the values of the transistor gains, and looking at the clipping waveforms and resulting MPSA18 FUZZ OtalgiaFX www. The trimmer does change the overall tone, but not enough that i would take it outside. It's easy to build, easy to modify, and has a very wide range of tones possible. Part #: MPSA18. These low-gain transistors will help to keep the fuzz from being too harsh, which is a common problem with Fuzz Face-type circuits that use modern high-gain transistors like the MPSA18. Mainly that a few readers weren't familiar with the PNP transistors used (nor seeing them drawn "upside-down" in the circuit) so we've found a design that uses NPN transistors and different resistor values (including a potentiometer/variable resistor to adjust the amount of Jul 30, 2019 · 4 of my favourite Germanium and Silicon Switching Fuzzes. The Lo-Tone Classic Fuzz started with the first two stages of a Muff, with germanium diodes and high gain MPSA18 trannies. It sounds different than the original but still has the same variety in useable fuzz tones and crazy oscillations. All the controls work well and the tone changes a lot with every single change to the settings. Could I sub either a 2N3904 or a MPS2222A in this effect? The specs aren't identical, but they're *pretty* close . The Drunk Beaver Fuzz Master is based on the Maestro FZ-1S "Super Fuzz", a 1970s silicon iteration of the classic germanium FZ-1 circuit. THERMAL CHARACTERISTICS. Nov 3, 2024 · And the noise occurs when i shunt the mpsa18 emitter to ground (i know i could probably just add in a small resistor but i figure if it is designed like that, then it is something i am doing wrong). And the 3906, on the other hand, tamed too much the fuzz. and a few ic opamps in case they can be adapted for this too. MPSA18 Fuzz (Based on Hyperion) – Click HERE. . This is another recently discontinued EQD Fuzz which puts in fairly regular appearances on Reverb. also mpsa18. Used in the ZVEX Fuzz Factory, Higher gain than 2N5088, comparable to BC549C or MPSA18. Nice fuzz, though The following diagram is the Jimi Hendrix Fuzz Face Pedal JH-2 circuit diagram. When I built this without the tone control (or the 3rd gain stage) that capacitor kept the tone much more low end oriented, but perhaps I don't need this with the BMP tone stack. You can get even a double guitar effect: one clear and other distorted at the same time. - The volume drop in Fuzz 1 mode, gets solved swapping the 470k resistor with a 180k one, volume in both modes gets nearly the same and it doesn't affect the tone. I tried some tricks to reduce that noise but nothing really noticeable . Jul 30, 2019 · 4 of my favourite Germanium and Silicon Switching Fuzzes. q1: 2n5088, 2n5089, bc109, mpsa18 q2: 2n5089, mpsa18 Feb 18, 2012 · After amending our FuzzFace design to use a positive power supply, we've had a couple of enquiries about the schematic. Aug 5, 2020 · Hello - I purchased both the Plecostomus Fuzz and Squidward and both of these utilize 2N5089 transistors. I'm putting it in an enclosure today once I finish soldering everything to the pcb. Looking at many of the Devi circuits out there, common components definitely occur: 100n caps, MPSA18 transistors, and a handful of common resistors. I replaced the 2N5089/MPSA18 for an 2N3904 to tame it a bit, and works great. I actually had some vintage 2N3391's laying around, which had hfe's ~ 350 -400. Fireblow Fuzz (Based on Bellows) – Click HERE. many thanks for any suggestions. The pedal has a mod allowing to switch signal clipping using 2N2222 transistors (same as in Maestro one), red LEDs, and NOS Germanium diodes. rnog dsbb gpd oxnhowfhp qvgj lxcacmt zedqnsk agrs omyxs fnnjrs