On the right we have my modern interpretation of the mxr distortion ii pedal, the. These tools allow students, hobbyists, and professional engineers to design and analyze analog and digital systems before ever building a prototype. Mxr distortion iii schematics click here schematic. How to shop for a distortion pedal a beginners guide gc riffs. This is the preamp which i have used for about 30years in my main stereo system. When i scoured the web trying to find one, nothing turnedup.
Other later variants include the mxr microamp and the dod yjm308. Dunlop m115 mxr distortion iii pedal spanking new standard in distortion. The prime distortion is highly responsive to the intensity of your attack, cleaning up when you pull back and packing a huge punch when you dig in. The resonance control is a low frequency parallel gain stage with an input level control. Requests mxr distortion ii guitar fx layouts nabble. It incorporates many ideas that came from people using.
The electronic circuit was also used as a reference design on many other compressor effects like the ross compressor, trex compnova, ibanezmaxon cp5cp9cp10 and boutique. Utilization the configuration of the mxr m104 is really easy to follow and is straightforward overall. The mxr ten band eq has been upgraded with noisereduction circuitry, true bypass switching, a lightweight aluminum housing, brighter leds for increased visibility, and a second output so you can run two separate signal chains. Mxr dime distortion dd11 schematics posted by fanda brych on fri, 02182005 07. Youre very unlikely to get one that works, and any that you do get will be desoldered from. Mxr distortion plus project documentation aphelion. Can anyone help me with the schematics to dime distortion dd11 from mxr. You might sometimes see them advertised at stupid prices on ebay dont bother buying them. The mxr ten band eq has been upgraded with noisereduction circuitry, true bypass switching, a lightweight aluminum housing, brighter leds for increased visibility, and a second output so you can.
It seemed weird that it had lower gain than the classic overdrive gtod yet was. At evolution music of logan square, we attempt to highlight cosmetic defects if any by picturing every angle of every piece of gear so you know exactly what you are getting. Bandwidth reduction for less noise increase c4 20pf to 50pf or 100pf increase c7 50pf to 100pf. When using distortion pedals like a metal muff how should the amp be set up. This is more a matter of personal preference, but it matches bass a lot better with the bypassed signal. The simple and reliable design uses only 1 operational amplifier and a pair of germanium diodes in order to create a distortion effect that boosts the guitar signal up to 46db, with a simple mildhump. Breadboard a vintage distortion small bear electronics. Apr 06, 2015 when the mxr distortion iii was first released i thought, great mxr has finally decided to reissueupdate the overlooked original distortion ii.
The foam packing material in the original mxr box has fallen apart and gotten into the. Would love to see a vero for the mxr distortion ii. Free mxr diagrams, schematics, service manuals schematics. Mxr distortion plus project documentation aphelion distortion. He reverseengineered the sound and bad circuit, and experimented until. It seemed weird that it had lower gain than the classic overdrive gtod yet was voiced with an artificial hard rock distortion sound. Bandwidth reduction for less noise increase c4 20pf to 50pf or 100pf increase c7 50pf to 100pf or 120pf you can also parallel two or more small value capacitors to achieve nonstandard values like 40pf or 70pf. Guitarists everywhere mistakenly thought that this little device was the secret to randys tone.
Delivers everything from massive distortion crunch to silky overdrive. At evolution music of logan square, we attempt to highlight cosmetic defects if any by picturing every angle of every piece of. The 70s really wasnt a time of distortion pedals for the most part. Mxr distortion plus effektpedal thomann osterreich. This is a pretty dramatic change for the distortion iiiclassic distortion. Which channel should i be running and at what eq and gaindrive setting. At the time dod spent most of its time copying mxr pedals, and the circuit is almost. The mxr prime distortion conjures up vintage hardclipping distortion. Mxr m69 prime distortion guitar effects pedal guitar center. Mxr micro chorus schematic all about modern commercial stompbox circuits from electro harmonix over mxr, boss and ibanez into the nineties. Mxrs contribution to phaseshift effects was the high. A reworked mxr micro chorus using an mn3007 and a few component changes.
Starting with its proprietary circuit design that delivers rich harmonic content, the diii carries on the mxr tradition of. Here is a list of the schematics that are exclusive to this site. As its name implies distortion, its a distortion parallel clipping but has a rather mild. Alas the only thing close to the distortion ii was. The distortion character is very dynamic and woody or resonant sounding. The phase 90 is a phaser guitar pedal designed by keith barr in 1974.
Overdrivedistortion in the middle ranges of the output and distortion controls, youll find softclipped distortion tones that sound truly retroauthentic, especially when theyre mixed with a splash of reverb. As its name implies distortion, its a distortion parallel clipping but has a rather mild sound. Soft clipping distortion pedal one of the first good sounding distortions ever thanks to soft clipping, a truly harmonious, never unpleasant yet biting sound is. Jun 19, 2009 the dii is kind of the sleeper of the original mxr line. Btw the internal voltage regulator lm7815 requires an minimum of 18 volts to supply a regulated 15 volts to the circuit. Building on that proud history, mxr introduces an instant classic, the m151 doubleshot distortion. See more ideas about mxr distortion, guitar pedals and guitar. Description an opamp amplifier with clipping diodes. I saw recommendations on the web about removing or changing the value of c4 to improve its sound. We took a few liberties, like removing the part of the circuit that handles the bypass and made it true mechanical bypass, giving it asymmetrical clipping as a stock feature of course you can just leave out the extra clipping diodes if you want, adding a toggle switch to switch between standard clipping and led clipping which. Mxr m115 distortion iiiclassic rock players will love this pedal declan c.
It is an analog piece of gear that isnt rack mountable because it is a stomp box. Diy layout creator diylc in short is freeware drawing tool developed with help of a large online community of diy electronics enthusiasts. At this point, i would not encourage anyone to download or use 2. If you have a local guitar shop nearby not samash or gc, this should be an easy fix for them. The dii is kind of the sleeper of the original mxr line. I dont think they were big sellers when they were introduced. Take your overdrive and distortion tones into new territory. This pedals warm, articulate sound is easy to dial in with a classic output, tone, distortion control setup. Amp settings with distortion pedal ultimate guitar.
Mxr classic distortion distortion iii the gear page. It has a sound more like my beloved 1980s mxr distortion ii. See who uses mxr distortion ii, including billy corgan, amedeo pace and others. Mxr released a simple hard clipping device called the distortion plus in the late seventies. Schematic donated by gustave smalley as a hand drawing. The mxr distortion ii is a distortion pedal designed for electric guitar but suitable with any electronic instrument. Feb 01, 2017 demo of the mxr distortion ii guitar pedal. It was about preamp overdrive for a lot of players and boogie was leading the way on that. The resonance control is a low frequency parallel gain stage with an input level contro. This project uses the same readyfortransfer printed circuit board layout file that is used in the dod 250 overdrive project on this site. Colorsound tonebender mkii colorsound tonebender mkii npn colorsound tonebender mkii pnp colorsound tonebender mkii ri dallasarbiter fuzzface dod fx52 classic fuzz dod fx66 flashback fuzz diaz squareface dunlop jh2 hendrix fuzzface electroharmonix muff fuzz fender blender foxx tonemachine gretsch controfuzz ibanez fz5 jordan bosstone kay fuzztone. To mod your distortion iii like this, remove c4 as marked on the pcb, and bridge the 0. The pedal is a newer design that has more in common with other tube screamer type pedals that it sounds like.
Your purchases also help protect forests, including. Mxr m69 prime distortion guitar effects pedal musicians. Mxr dyna comp analysis the mxr 102 dyna comp is a compressor effect guitar pedal, released in 1972 by mxr and rapidly becoming popular because of its price and ease of use. Free electronic schematic diagrams, electronics cad software, electronic pcb software, guitar wiring diagrams, amp schematics, repair manuals, amplifier layout diagrams,pcb software for making printed circuit boards, amplifier design software. Randy rhoads, among others, used this pedal to achieve more distortion in his amps. We created several and we have redrawn some schematics that were already available on the internet for readability or ease of use these needed an easiertoread format, corrections or part identifiers.
Like all mxr pedals, the distortion iii features a heavyduty casing, switch and jacks for a lifetime of use. Online schematic capture lets hobbyists easily share. Where wires cross in a schematic but dont connect, youll see this. The perennial favorites, the boss ds1 and mxr distortion ii, can. Its been a real labour of love reengineering the distortion ii circuit to be used on a 9v. We created several and we have redrawn some schematics that were already available on the internet for readability or ease of. Nov 26, 2008 mxr released a simple hard clipping device called the distortion plus in the late seventies.
Effects heaven effect schematics mxr ibanez boss dod. Page 1 dd11 dime distortion 92503004154revd page 2 dime distortion description power directions specifications thick, powerful distortion with the mxr dime distortion is run a. Schematic link layout link parts list on to some more mods. I bought an mxr classic distortion at gc a while back and never really cared for it but was too lazy to return it. It was seen on stages worldwide and heard on hundreds of timeless recordings. Bandwidth reduction for less noise increase c4 20pf. Online schematic capture lets hobbyists easily share and discuss their designs, while online circuit simulation allows for quick design iteration and accelerated learning about electronics.
Mxrs contribution to phaseshift effects was the highquality, small size and reliability of the stompbox, in contrast with previous models that tended to be dodgy, bulky and noisy. Mxr diagrams, schematics and service manuals download for free. Built with a heavy duty case, quality inputoutput jacks and the tactile feel of the switch are hallmarks of mxr. Alas the only thing close to the distortion ii was the name. Mxr m69 prime distortion guitar effects pedal musicians friend. Feb 24, 20 mxr distortion ii demo gregory flanagan.
Your purchases help youth music programs get the gear they need to make music. Mxrs system preamp ii m150 reverse engineering a schematic and uncovered mxr schematics of m140. It was the first product sold by mxr with great success. It is strikingly similar to the dod overdrive 250 distortion pedal. When the mxr distortion iii was first released i thought, great mxr has finally decided to reissueupdate the overlooked original distortion ii. We took a few liberties, like removing the part of the circuit that handles the bypass and made. If you are with me so far, lets set up a driver stage. Page 1 dd11 dime distortion 92503004154revd page 2 dime distortion description power directions specifications thick, powerful distortion with the mxr dime distortion is run a cable from your bass to rotate the distortion knob input impedance 1 m. Weve opted for the opamp version of 61 the circuit, instead of using two.
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