Mxr phase 90 reissue schematic software

Handwired circuit board built 1974 spec components switchcraft inputoutput jacks carling bypass switch hard bypass, true bypass is an option handselected transistors matched to produce warm, deep phasing original script logo orange finish. Unfollow mxr phase 90 script to stop getting updates on your ebay feed. It sounds like a bad attempt at the original mxr 90. If you wish to buy a mxr phase 90, take a look and listen to the script logo and the vintage reissue pedals dont overlook the phase 45. Ive never played an original, but the reissue sounds luscious. Custom shop handwired vintage reissue of 1974 phase shifter pedal csp026. I have a reissue phase 90 and it sounds pretty good. Discussion in the stomp box started by overlook1977, jan 8, 2012. Youll even find the same classic orange painted metal housing with the script logo. Phase 90 circuit board revisions the pedal custom shop.

So mine is the model with block text, red circut board, and an led. Mxr phase 90 script, reissue by harrisxr650 25 jun 20, 10. If you are building this to fit in a 1590b size enclosure, do not use ic sockets. The mxr phase 90 is renowned worldwide for its excellent phaser capabilities and its gift on fatness and new tonal possibilities for lead and rhythm tones. Mxr s contribution to phase shift effects was the highquality, small size and reliability of the stompbox, in contrast with previous models that tended to be dodgy, bulky and noisy. Add an mxr custom shop script phase 90 to your pedalboard and instantly.

I have the script 90 74 reissue that i recently converted to true bypass. The long storythe mxr phase 90 set the benchmark for phasers, with its thick and rich tone. Does anyone know if its possible to mod the phase 90 s to be phase 45s. Phase 90 standard phase 90 74 reissue script logo, no led evh phase 90 custom shop script logo phase 90 the custom shop one is out of consideration due to the cost, so lets focus on the other three. I bought a new mxr phase 90 pedal from the music store i work at. Unfollow mxr phase 90 to stop getting updates on your ebay feed. The phase 90 is a phaser guitar pedal designed by keith barr in 1974. For over four decades, the mxr phase 90 has been a mainstay on the pedal boards of millions of musicians around the globe. With a single stomp, a phaser can send a jam on a new trajectory by massagingor torturingeven the simplest, most boneheaded lead or set of chords into something alien and uncommon. Mxr phase 90 modifications by douglas kovach march 28th 2015 how it all began. Utilizing the celebrated design of veteran pedal builder paul cochrane. The phase 90 looms large in mxr legendnot just because its been a perennial best seller, but also because its the very first pedal the original mxr ever built. The m3 microamp is a clean boostvolume pedal, part of the first reference series by mxr released between 1973 and 1984.

Analog man carries the mxr phase90 vintage reissue 1974 phase shifter. Complete with the red, white and black striped look of his frankenstein guitar, this version features contemporary appointments such as an led indicator and 9volt power supply option, as well as a script button, which enables the user to change between the sound of the vintage script logo. There was a transitional period in which some phase 90s with script logos had box logo circuits, and vice versa. Follow the bill of materials, the layout diagram and general build instructions. You ll even find the same classic orange painted metal housing with the script logo.

How it compares to the original or the script logo reissues, no idea. Tm phase 90 tm replica instructions general guitar gadgets. Im using it just with a 9v battery to try and prevent a polarity issue. I bought it back when the first reissue with wall wart went off the shelves for some time. It is a regular 75 block model in a and scriptlike case, actually the same evh circuit, with the 24k resistor. Hand wiring and hand selected matching transistors work together to bring. The mxr phase 90 classic phase tone comes from the addition of added distortion to the guitar signal. In actual fact the original design leaves the board and circuitry connected to the input jack the whole time regardless of wether the effect is bypassed or engaged thus loading the preciding instrument or pedal with. View all results for mxr phase 90 at sweetwater the worlds leading music technology and instrument retailer. The evh phase 90 differs from the normal one in that it has the classic evh stripes, an led and a special button to select between script and block mode. An rebuild of the script phase 90 even the pcblayout is the same. Mxr csp026 handwired 1974 vintage phase 90 pedal w 4 cables.

Vintage mxr phase 90 reissue 74 vintage phase 90 comparison. I bought a script phase 90 reissue from sweetwater. It also will not offer subtle tone shaping it immediately goes to full phase at 2 or 3 on the rheostat. Mxr csp101cl custom shop script phase 90, whats the tonal. The layout is very similar to the original mxr layout. This vintage 1974 model is a custom shop job and ought to satisfy demand from purists seeking an unadulterated clone of the very first version the one with the script logo produced from 1974 to. First let me state for the record that though i have often heard of and read about the mxr phase 90, the brand name was not on my list of coveted vintage pedals to own. It doesnt matter whether the genre is rock, metal, alternative, jazz, worldbeat, or if the instrument is guitar, bass, keys, vocals, or strings.

The phase 90 was the first pedal sold by mxr and helped launch the company in 1974. This is the original mxr phase 90 phase shifter script logo replica known as p90. Mxr csp099 phase 99 music pedal pdf manual download. I do have rack effects so maybe i could use that for one and the phase 90 for the other type tones. The 74 vintage phase 90 is a faithful reissue of the original, featuring handmatched fets and a handwired circuit board. The phase 90 reissue m101 was a modern adaptation of the late block logo circuit with only minor changes to the circuit including better power filtering and using a single tl064 quad opamp in place of two tl062 ics. We chose to use this layout since the 741 ics seem to be part of the magic sound of the old script logo version. I brought it home and found that it sounded nice and slurpy, but exhibited the problems often cited, namely, a nasty mid hump, a volume boost and a. Would removing these resistors change the output lev.

This is a mxr tm phase 90 tm script version phase shifter replica known here as the p90. I like my 74 reissue script phase 90, but like you, sometime wi. Mxr phase 90 script logo this is the original mxr phase 90 phase shifter script logo replica known as p90. The 4stage jfet module is based on the mxr phase 90 and features nos 2n5952 jfets and 4 separate single opamps. Im sure everyone has an official mxr vintage script phase 90 schematic. Ok, im looking for a phaser, and i really love the tone of the phase 90. A comparison between a vintage mxr phase 90 and an mxr csp026 74 vintage phase 90 reissue pedal. Mxr csp026 74 vintage phase 90 pedal demo sweetwater. The mxr custom shop script phase 90 brings back the headroom and clarity of the original, along. Block logo 2 still the script circuit, but with an added feedback resistor, giving. Honoring van halens history with the phase 90, mxr gave eddie a signature version of the effect. Has anybody done the r28 or c11 and c12 mods to their phase 90. The phase 90 purists may not like it, but the working musician who wants the script sound and not the sterile block mxr logo phase 90 sound, then this pedal is for you.

View and download dunlop mxr csp099 phase 99 directions for use online. True to the specs of the original phase 90 model that mxr made up until the late 70s, the script phase 90 gives you both the expansive headroom and exceptional clarity that made this such a popular effect, plus the warmth and smoothness those old circuit designs were known for. Mxr ph90 script phase 90 phaser pedal dunlop effects stomp box for repair. Our inhouse work horse, purchased in 1974, was meticulously specd and recreated as the 74 vintage phase 90.

When i opened it i noticed it was a surface mounted component board. Whats the difference in sound between all the mxr phase 90s. Discussion in pedals started by partscaster, oct 31, 2017. Mxr diagrams, schematics and service manuals download for free. It is a warm, thick phase that sounds great with distorted guitar tones and that is really the strength of this unit. The mxr phase 90 is easily one of the most popular phase shifter pedals ever made. The phase 90s appeal laid the foundation for mxrs business. Mxr csp026 handwired 1974 vintage phase 90 pedal features. Both the evh phase and flanger seem to be just too up in your face.

The mxr phase 90 set the benchmark for phasers, with its thick and rich tone. Mxr m101 phase 90 dunlop reissue mxr custom shop csp001 variphase pedal phase 90 in wah housing mxr custom shop csp026 handwired 1974 vintage phase 90 dunlop reissue mxr custom shop csp099 phase 99 dual phase 90 mxr custom shop csp101s script phase 90 dunlop reissue. Since its introduction in early seventies, the mxr phase 90 has always been regarded as one of the classics and there are current reissues in various forms by the present jim dunlopowned brand. Mxr phase 90 not working page 3 telecaster guitar forum. I got it to emulate eddie van halens tone but it is way to plastic sounding. But a lot of guitarists, this author included, cant imagine living without one.

If anyone is interested in the evh phase 90 pedal please read this. A greatsounding phase shifter used by the likes of eddie van halen unchained and many others. Utilization the configuration of the mxr phase 90 couldnt be easier. Mxr csp026 74 vintage phase 90 phaser hand wired guitar effects. 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. Soon, the growing company was cranking out thousands and thousands of stompboxes and distributing them all over the planet. It also became the springboard for evolutions including the phase 45, phase 100, and the more recent phase 99. Dunlop actually halted production for a year i think, then it came back out again and shortly afterward then the evh version came oit.

Sep 06, 2009 sorry to resurface an old post but im having trouble with my phase 90 that would really love some help with. The ics will have to be soldered directly onto the pcb due to space limitations. Not sure why anyone would waste time trying to draw a schematic. Straight out of the box you get what is possible the easiest pedal to use. The 74 vintage phase 90 is a faithful reissue of the original, featuring hand matched fets and a handwired circuit board. Mxr evh phase 90 eddie van halen phase pedal classic phaser pedal with eddie van halens signature frankenstein guitar look, and new script switch the mxr eddie van halen phase 90 pays its tribute to the legendary guitarist who first rocked our ears on his debut album in 1978. At about 9 oclock, the script phase 90 dishes out a smooth and mellow modulation that adds a nice and subtle accent to your sound an excellent effect for rhythm playing. It has a 14 inch input and a 14 input output and is the easiest pedal in the world to use no exaggeration. Closely associated with the work of eddie van halen, the phase 90 offers glimmering leads, textured yet muted.

Mar 24, 2017 the phase 90 looms large in mxr legendnot just because its been a perennial best seller, but also because its the very first pedal the original mxr ever built. The original model had a simple orange enclosure with a script style mxr logo. I have an mxr evh phase 90 pedal and the phase effect almost across the board is way too inyourface and intense. Sep 17, 2015 the mxr phase 90 is easily one of the most popular phase shifter pedals ever made. There is no denying the importance and popularity of the mxr phase 90. Dunlop mxr csp099 phase 99 directions for use pdf download. Utilization the evh mxr phase 90 is a great phaser for those looking for a decently priced phaser without having it be as thin sounding as the current standard production mxr phase 90. Looking at tonepads schematic, shouldnt sw1 of the script mod go to pin 6. The part of the circuit where the actual phase shifting occurs is on its own separate module board, meaning you can change out the module to create completely different styles of phasing. The original stompbox did not have poweron led or ac connector. Mxr 74 vintage phase 90 csp026the 74 vintage phase 90 is a faithful reissue of the original, featuring handmatched fets and a handwired circuit board. The handwired board features select resistors paired with handmatched fets to achieve the same smooth an. Starting with a few dozen phase 90s constructed in a basement and sold out of a car at gigs, mxr added three more pedals to the core lineup.

Heres a picture of how i true bypass the mxr phase 90 reissue. Apr 14, 2015 mxr phase 90 modifications by douglas kovach march 28th 2015 how it all began. Mxr csp026 handwired 1974 vintage phase 90 phaser youtube. It requires removing the dpdt switch and cutting out the pcb a little be careful not to cut any important traces still needed for the pedal to function properly. Anyone interested in drawing a schematic of the new model of phase 90. Since its inception in 1972, the mxr phase 90and just about every other variation of this pedal from mxr including the phase 45, script and block logo phase 90s, phase 100 and evh phase 90has been the most sought after and widely used phase shifting pedal among guitarists. Jim dunlop bought the mxr licensing rights and currently manufactures reissues of the classic mxr effect.

Mxr phase 90 true bypass mod diagram picture the gear page. As i just got a regular block logo mxr phase 90 and have been reading a lot online about the popular mods especially the yank one leg off of resistor r 28. Legendary pedal builder mxrdunlop recently introduced a sweet trio of effects. True to the classic mxr phase 90 design, this custom shop script phase 90 lets you define a wide range of classic phasing effects with the twist of just a single knob. Its not likely to ever be an heirloom, but is a great working tool. View and download dunlop mxr m101 phase 90 manual online. Mxr went bankrupt in 1984 and was later purchased by jim dunlop. Im fixing this evh phase 90 that i cant find a schematic for, its the model with lots of smd components on it.

It just has a single knob to control the speed of the phaser. One knob for speed allows precise control of the phaser sound. The script phase 90 combines vintage phasing with an led and ac power jack for modern convenience. The mxr m101 phase 90 is an analog phase shifting guitar pedal. The longtime standard among phasers, the mxr phase 90 is on the list of. Closely associated with the work of eddie van halen, the. It was the first product sold by mxr with great success. One of the straightest lines to subtly swirling and dizzyingly mangled phase.