Pricing and availability
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Average Price: $146
Standard/Professional
$75
$201+
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Price History
Based on price data from 5 merchants for "MXR MX-101 Phase 90 (Vintage - Script Logo)". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The MXR Phase 90 (Script Logo) is an evergreen favorite among musicians worldwide. This phaser effects pedal is the epitome of vintage charm, with its iconic orange paint job and script logo, that harks back to the golden era of rock and roll. It's loved for the way it effortlessly delivers the classic phase shifter sound that defined the music of the 70's.
Crafted by the MXR Custom Shop, the Script Phase 90 revives the clarity, headroom, and buttery smooth phasing of the original. It also reduces midrange swell, ensuring a warm, full-bodied sound that's just as at home on a jazz fusion or funk track as it is on a hard rock anthem.
Easily adjustable with a single speed control, the Script Phase 90 is all about simplicity and effective sound control. Despite its vintage appeal, it's fitted with an LED indicator, making it a perfect blend of old school style and modern convenience.
Key Features:
- Vintage-inspired phaser effects pedal
- Classic orange paint job and script logo
- Ultra-warm and smooth phasing with reduced midrange swell
- Single speed control for easy sound adjustment
- LED status indicator
- Crafted by the MXR Custom Shop
- Can be powered by a 9-volt battery or a separate power unit (not included)
- 1/4" jack In/Out
Product specs
| Pedal Type | Phaser |
| Analog/Digital | Analog |
| Inputs | 1 x 1/4" (instrument) |
| Outputs | 1 x 1/4" |
| Power Source | 9V DC power supply (sold separately) |
| Batteries | 1 x 9V |
| Height | 1.25" |
| Width | 2.25" |
| Depth | 4.25" |
| Weight | 0.84 lbs. |
FAQs
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What type of power supply does the MXR Phase 90 (Script Logo) require?
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The MXR Phase 90 (Script Logo) requires a 9V DC power supply, which is sold separately. It can also be powered by a 9V battery.
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Is the MXR Phase 90 (Script Logo) suitable for live performances?
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Yes, the MXR Phase 90 (Script Logo) is well-suited for live performances, offering a classic phasing effect that can enhance your sound on stage.
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How does the MXR Phase 90 (Script Logo) differ from other phaser pedals?
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The MXR Phase 90 (Script Logo) is known for its warm, vintage phasing sound, thanks to its analog circuitry and simple one-knob design, which sets it apart from more complex digital phasers.
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Can the MXR Phase 90 (Script Logo) be used with a bass guitar?
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Yes, the MXR Phase 90 (Script Logo) works well with bass guitars, providing a rich, swirling effect that complements the low-end frequencies.
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What kind of sounds can I expect from the MXR Phase 90 (Script Logo)?
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The MXR Phase 90 (Script Logo) delivers a classic, smooth phasing effect that is ideal for adding movement and depth to your sound, often used in rock, funk, and psychedelic music.
Videos
Pedal Pawn
The SECRET to Albert King Tone...
The SECRET to Albert King Tone...
Pedal Pawn
MXR Phase 90 Script Logo demo 100% audio no talks
Mauro Cordero - Guitar, music & gear
Meu primeiro pedal vintage! // 1974 BUD Box MXR Phase 90
Guilherme Spilack
Reviews
PROS
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Delivers smooth, beautiful phasing suitable for a range of classic rock tones
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Simple, one-knob design makes it very easy to use
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Versatile sound, from slow treble enhancing sweeps to intense rotary effects
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Solid build quality ensures durability
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Warm and gooey sound adds character to guitar tones
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Less extreme whoosh and resonance for a more subtle effect
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Suitable for a variety of music styles and guitar playing levels
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Can inspire creativity in music production beyond guitar (e.g., keys, vox)
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Classic sound appreciated for its historical significance in rock music
CONS
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Lacks LED indicator, making it hard to see if it's on or off
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No depth control for adjusting the effect intensity
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Some users may find it too simple compared to more modern phasers with multiple controls
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Perceived by some as inferior to other high-end phaser/vibe pedals
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about MXR MX-101 Phase 90 (Vintage - Script Logo).
Features and functionality
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The MXR Phase 90 Script Logo is noted for its subtlety compared to the Block Logo, attributed to the lack of feedback in the Script version.
Source
Mods and upgrades
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An R28 mod is recommended for the Block 90 to reduce annoying high frequencies, enhancing the pedal's tone.
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Some Phase 95 users modify the custom shop script 45 reissue by wiring it for 9v and adding an LED to enhance usability in various setups.
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Snipping resistor R47 is suggested to alter midrange characteristics, providing a tonal adjustment without purchasing a different pedal.
Source
Use cases and applications
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Users often place the Phase 90 before dirt pedals for a more subtle, uni-vibe-like sound, as seen in some classic rock tones.
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The Phase 95 is praised for its flexibility in switching between script and block modes, making it versatile for different musical styles like classic country.
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The Script Logo is preferred for its organic sound, which seamlessly integrates into a mix without overtly signaling phaser activation.
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Comparisons
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The Phase 95 is highlighted for its compact design and versatility, combining multiple phaser modes, though some prefer larger pedals for ease of use.
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The Script Phase 90 is described as having a "swooshing" phase sweep, while the Block version has a "pulsing" sound, making them distinctly different in character.
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The Whirlwind phaser, crafted by original MXR creators, is noted as a slightly more cost-effective alternative to the MXR Script Logo.
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User experience
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Owners appreciate the '74 Phase 90 reissue for its subtlety and compatibility with various setups, with modifications enhancing its functionality.
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The EVH Phase 90 is favored in live settings due to its larger size and ease of manipulation with a rubber knob cover, compared to the smaller Phase 95.
Source
Other
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The internal circuit stamp, not the external printing, determines whether a pedal uses the original Script circuit, which can affect purchasing decisions for vintage enthusiasts.
Source
4.5 out of 5
Based on 4 Reviews and 14 Ratings
102
It's an absolute classic.
I love this phaser. It's simple to use and does exactly what it's supposed to. My only complain is that it boosts the volume a little bit when it's on. I have placed it in my fx loop of the amplifier to see if the problem persists and it does. Still it's a very small boost and most people would not care about that issue. Either than that its the absolute classic.
314
Hooked On Music
When I was a kid my friends sisters BF turned us on to a lot of music (Partying too !) One of the things he hipped us to that really stuck with me was the Pat Travers Band, and the record he played all the time was the live on from 1978 or 1979 "Go For What You Know" Well years later in a club after a soundcheck I was talking with a sound guy who said Travers used to use the "Script 90" so when I switched to guitar from bass it was like the second pedal I bought. Phaser is kind of like the older sister of the Flanger, not as short of a skirt, and not as tight of a body, but y'all can talk about stuff for hours...HAHAH EXACTLY !! Must have for that 70's rawktastic sound...
163
Stunning!
Oh joy this thing is just lush!! An immediate inspiration tool! Keys and vox also sound great when run through it. I even ran an overhead on a snare through it!! It's gold 👍👍
Artist usage
Add artist
On his personal blog, Tom Dumont discusses using the MXR Phase 90 (Script Logo) phaser pedal, providing insight into his gear choices.
In Guitar magazine, Ayano Kaneko's lead guitarist provides a detailed overview of the audio equipment used on the album "Towelket Ha Odayakana." He specifically mentions, "this is Kaneko Ayano’s Pedalboard." One of the pedals used on the album is an MXR Phase 90 (Script Logo).
Mentioned as an "XVR phase module" on page 11 of the August 1975 issue of Beat Instrumental.
Back, though to equipment. Being almost a traditionalist in his choice of axes, Eric is staying put with his favourite amplifiers, Marshall.
"I'm using a 50 watt Marshall on full and I use an XVR distortion unit and an XVR phase module through it. I think the Marshall's my favourite amp. I've tried solid -states but, although they are very, very loud, they're just not right for me. I'm never really satisfied with my sound because I'd like to be able to get a Carlos Santana sound — you know, feedback and sustain at really low volume, or maybe a Jeff Beck sound. That's a matter of technique as much as anything, and I know I can't quite get it."
Then soon after came the MXR phase shifters, first the small footswitch which I used on tour and on my next albums Aurora, Imaginary Voyage and Enigmatic Ocean.
A vintage Phase 90 can be seen in his pedal drawer.
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In a photo on his official Instagram, Chris Impellitteri's pedalboard features the MXR Phase 90 (Script Logo), highlighting its use in his setup.
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Featured in this November 17, 2013 Instagram post.
Cleaning my closet and found this little gem.
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In an Instagram post captioned "Office of the day," Jun-His is seen using the MXR Phase 90 (Script Logo) phaser pedal.
The same MXR Phase 90 that Rob had used for "Stranglehold"
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From instagram post shared by Guy of his effects pedals: https://www.instagram.com/p/CBLMudzpVWk/
Album Usage
The MXR MX-101 Phase 90 (Vintage - Script Logo) has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use MXR MX-101 Phase 90 (Vintage - Script Logo), it is most commonly used with the following gear.
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Community setups
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Similar
Add recommendation3 alternative and related items for MXR MX-101 Phase 90 (Vintage - Script Logo), curated by the Equipboard community.
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Danelectro DJ-6 Pepperoni Phaser is a cheap clone of the script logo MXR Phase 90. It's not anywhere as reliable as the MXR pedal but it gets the job done if you're in a pinch.
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