Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated .

Sweetwater
5.0 (58)
$139.99
Guitar Center
4.5 (10)
$139.99
Amazon
4.7 (273)
$139.99 New
$123.19 Used (Like New)
Musician's Friend
5.0 (33)
$139.99
Thomann
4.8 (228)
$144.00
Gear4Music
£129.00

Average Price: $141

Standard/Professional

$75

$201+

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Price History

Based on price data from 5 merchants for "MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Introducing the MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED, a piece of music history that brings back the classic phase shifter sound, beloved by musicians around the world. This pedal is a tribute to the iconic MXR Phase 90, a gem that was at the heart of many legendary rock, jazz fusion, and funk hits from the late '70s.

The MXR Custom Shop has meticulously recreated the vintage Phase 90, equipping it with the original's expansive headroom, exceptional clarity, and warm, smooth phasing. The reduced midrange swell characteristic of the original pedal is also present in this reissue, allowing for a versatile range of tonal possibilities.

The pedal isn't just about great sound, it also aesthetically pleasing. It sports the original orange paint job and script logo, making it a visually stunning addition to your pedalboard. Plus, the built-in LED ensures you can always see the pedal's status, even on a dimly lit stage.

Whether you're a collector, a vintage gear enthusiast, or you just love great tone, the MXR Custom Shop Script Phase 90 is a must-have. It's time to experience the legendary phase shifter sound that has shaped music history.

Key Features:

  • Vintage-inspired phaser pedal that recreates the iconic MXR Phase 90 sound
  • Expansive headroom and exceptional clarity for versatile tonal possibilities
  • Warm and smooth phasing with reduced midrange swell
  • Original orange paint job and script logo for a classic look
  • Built-in LED for clear visibility of pedal's status
  • Powered by a 9V battery or a separate power unit (not included)
  • 1/4" jack In/Out for easy connectivity

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

What makes the MXR Custom Shop CSP-101CL Script Logo Phase 90 different from other phaser pedals?

The MXR Custom Shop CSP-101CL Script Logo Phase 90 offers a classic analog phasing effect with a vintage script logo design, enhanced by an added LED indicator for easy status monitoring on stage.

Is the MXR Custom Shop CSP-101CL Script Logo Phase 90 suitable for use with bass guitars?

Yes, the MXR Custom Shop CSP-101CL Script Logo Phase 90 works well with bass guitars, providing smooth phasing effects that enhance the instrument's tonal range without losing low-end clarity.

How is the MXR Custom Shop CSP-101CL Script Logo Phase 90 powered?

This pedal can be powered using a 9-volt battery or a 9V DC power supply, such as the Dunlop ECB003, ensuring flexibility for different performance settings.

Does the MXR Custom Shop CSP-101CL Script Logo Phase 90 have true bypass?

Yes, the MXR Custom Shop CSP-101CL Script Logo Phase 90 features true bypass, ensuring your signal remains unaffected when the pedal is not engaged.

Can the MXR Custom Shop CSP-101CL Script Logo Phase 90 be used for genres other than rock?

Absolutely, this phaser pedal is versatile and can be used across various genres, including funk, jazz, and blues, adding a dynamic swirling effect to your sound.

ProGuitarShopDemos

ProGuitarShopDemos

MXR Custom Shop Script Phase 90 w/ LED

Video thumbnail for MXR Custom Shop Script Phase 90 w/ LED by ProGuitarShopDemos

MXR Custom Shop Script Phase 90 w/ LED

ProGuitarShopDemos

ProGuitarShopDemos

Video thumbnail for MXR Phase 90 vs Script 90 pedal shootout by gearmanndude

MXR Phase 90 vs Script 90 pedal shootout

gearmanndude

gearmanndude

Video thumbnail for MXR Script Series: '74 Phase 90 & '75 Phase 45 by jimdunlopusa

MXR Script Series: '74 Phase 90 & '75 Phase 45

jimdunlopusa

jimdunlopusa

Video thumbnail for MXR CSP101SL Custom Shop Script Phase 90 Pedal Review by Sweetwater Sound by Sweetwater

MXR CSP101SL Custom Shop Script Phase 90 Pedal Review by Sweetwater Sound

Sweetwater

Sweetwater

Video thumbnail for MXR Script Phase 90 reissue guitar pedal demo with Les Paul & Fender Blues Jr by gearmanndude

MXR Script Phase 90 reissue guitar pedal demo with Les Paul & Fender Blues Jr

gearmanndude

gearmanndude

Reviews

PROS

  • Delivers rich classic sound enhancing any guitar's tone

  • Solid build quality ensures durability for long-term use

  • Easy to use with a straightforward single-speed control

  • Offers versatile sound from treble sweeps to intense rotary effects

  • Ideal for classic rock with a smooth sound profile

  • Compact and reliable, suitable for any guitarist's pedalboard

CONS

  • Some may desire additional control knobs for more sound customization

  • Replaced by more versatile models for those seeking subtle phasing options

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED.

Features and functionality

  • The CSP-101CL model includes an LED and power jack, unlike earlier reissues which lacked these features, making it more convenient for modern pedalboard setups.

    Source

Comparisons

  • The CSP-101CL with LED uses the EVH model's circuit board set to the early-mid 70s "script" sound, differing from the non-LED version's more accurate vintage tone.

    Source

Mods and upgrades

  • For those seeking true vintage sound, a true bypass mod on the non-LED model or choosing a Whirlwind Orange Box, made by an MXR founder, is recommended.

    Source

Use cases and applications

  • The MXR Phase 95 is suggested for users wanting both script and block versions of the Phase 90 and 45 in one compact pedal.

    Source

Setup and maintenance

  • A ZVEX Power Plate can replace the pedal's bottom to accommodate those concerned about battery-only operation in older models.

    Source

4.5 out of 5

Based on 1 Review and 9 Ratings

5 star
4 star
3 star
2 star
1 star
tomlecomte

Good phase

. .

Artist usage

Add artist
See how Alex Skolnick uses MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED

Alex Skolnick

Guitarist

Ozzy Osbourne

...
Verified via Photo

Alex Skolnick uses the MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED, as confirmed by Jim Dunlop Guitar Products on their Facebook page.

See how Audley Freed uses MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED

Audley Freed

Guitarist

The Black Crowes

...
Verified via Photo

Nashville legend Audley Freed (Black Crowes, Sheryl Crow, Cry of Love) shows us his pedalboard at a recent event honoring Joe Walsh at the Experience Music Project in Seattle

See how Matt Hoopes uses MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED

Matt Hoopes

Guitarist

Relient K

...
Verified via Twitter

@DrewShirley Finally getting to step on Hoopes from @relientK pedalboard today after sound chk. He's turned me on to some rad new pedals.. Being used now on Relinet K's Air For Free supporting tour.

See how Gabriel Orozco uses MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED

Gabriel Orozco

Singer, Guitarist

Usted Señalemelo

...
Verified via Photo

Gabriel Orozco uses the MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED, as seen in the "Estanzuela sound system" post on his Instagram.

See how Mark Damon uses MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED

Mark Damon

Bassist

The Pretty Reckless

...
Verified via Photo

Shown on current version of Mark's pedalboard posted to Facebook. Used sparingly (palm muted bass intro to Make Me Wanna Die, heavy effected line in Miss Nothing and several other scattered spots in the live set)

Album Usage

The MXR Custom Shop CSP-101CL Script Logo Phase 90 with LED 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 Custom Shop CSP-101CL Script Logo Phase 90 with LED, it is most commonly used with the following gear.

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