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MXR CSP-001X Variphase Pedal

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The MXR Variphase is a killer twist on the classic Phase 90, providing more control over the sound and feel of the iconic effect than ever before. Bu...Click To Read More About This Product

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OVERVIEW

Better control over the speed of the effect you have locked in.

The MXR Variphase is a killer twist on the classic Phase 90, providing more control over the sound and feel of the iconic effect than ever before. Built into a Cry Baby housing, the Variphase allows you to control the speed of the effect with your foot so you can ramp up and ramp down the effect as needed within and between songs. Set the speed to a slow, dramatic swoosh for strummed passages and then kick up the shimmery velocity for a ripping solo.

Open up the Variphase’s tonal spectrum with the Mix control, which enables you to set the ratio of wet to dry signals. Bring the phase effect up front and center with the Volume control. Finally, on the inside of the pedal, there’s a switch to toggle between aggressive Block phasing and the subtler Script sound.

The Variphase has been updated with a standard toe-down on/off switch.


Reviews
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Review Snapshot

by PowerReviews
MXRCSP-001X Variphase Pedal
 
3.8

(based on 20 reviews)

Ratings Distribution

  • 5 Stars

     

    (7)

  • 4 Stars

     

    (8)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (2)

79%

of respondents would recommend this to a friend.

Pros

  • Excellent sound quality (16)
  • Responsive (14)
  • Versatile (11)

Cons

No Cons

Best Uses

  • Performances (13)
  • Home studio (12)
  • Amateur recording (11)
  • Professional recording (9)
  • Outdoor events / games (4)
    • Reviewer Profile:
    • Experienced (13), Professional musician (7)

Most Liked Positive Review

 

Great phaser

English is my second language so I'll try my best to explain myself.

I bought the Variphase CSP001X out of curiosity, it's a little hard to find reviews about this particular...Read complete review

English is my second language so I'll try my best to explain myself.

I bought the Variphase CSP001X out of curiosity, it's a little hard to find reviews about this particular pedal, most reviews I found are about the older model, the one with the spring that takes back the pedal all the time.

I've used a MXR Phase 90 in my pedal board for a year or so. I love the sound of this pedal but it increases the volume a lot every time it's on, so I decided to buy the Variphase and see how good it is.

First, it's eye catchy, bright orange, solid *same housing as any Dunlop Cry Baby, great sound, very clean by pass and the pedal control works excellent.

The only cons I found are that just as loud as the Phase 90 and the lower speed setting position of the pedal is like the 10 o'clock of the Phase 90.

However, this pedal comes with several interesting features. First there's no spring, it has a on/off switch as a Cry Baby. It comes with a volume control and a mix control that allows you to control the amount of effect that you want in your signal and the volume of the mix, it is loud even at a very low level. Inside the battery compartment there's very little switch witch allows you to select either *Shallow or *Deep. Shallow is pretty much the same as the Phase 90 and Deep is the Phase 45. Both options offer great sound quality. There's another control inside the battery compartment, a small knob that works similar to the rate control of a Chorus pedal, detuning the wet signal a little bit to make the effect more tridimensional.

It's a great effect, not very easy to control but totally worthy. MXR should include a user's manual inside the box, or at least have one online.

VS

Most Liked Negative Review

 

Interesting!

These Cry Baby housings are tough as nails. Seems like Dunlop made a heroic effort to change things, based on what people criticized in the original version. I think the disdain for the...Read complete review

These Cry Baby housings are tough as nails. Seems like Dunlop made a heroic effort to change things, based on what people criticized in the original version. I think the disdain for the spring-loaded treadle was a bit premature. Now there is a toe switch, so you have to push the effect into a rapid whirl when it comes on, then consciously back off, unless you engage it before the song starts. True, you can now leave it where you choose, which is great, but if you do rock it back and forth, you're still using your foot the whole time. I think the volume still doesn't go down quite far enough, and I never tried the original version, so I don't know if that has improved or not. I have it set on the "deep" setting, whichever one that is, but I'm already thinking the "shallow" setting might be better for me. I think the Mix knob on the side is a great feature. Maybe deep with less mix would be nice and subtle. I have a Phase 99, and this is different and useful enough to be on the board with it. So, a mixed bag. I think Dunlop is out of hot water, at least, and I appreciate getting a killer deal on it.

Reviewed by 20 customers

Displaying reviews 1-20

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(6 of 6 customers found this review helpful)

 
4.0

Great phaser

By Mario Cianca

from Denver, Colorado

About Me Experienced

See all my reviews

Pros

  • Excellent Sound Quality
  • Responsive

Cons

    Best Uses

    • Amateur Recording
    • Events
    • Home Studio
    • Performances
    • Professional Recording

    Comments about MXR CSP-001X Variphase Pedal:

    English is my second language so I'll try my best to explain myself.

    I bought the Variphase CSP001X out of curiosity, it's a little hard to find reviews about this particular pedal, most reviews I found are about the older model, the one with the spring that takes back the pedal all the time.

    I've used a MXR Phase 90 in my pedal board for a year or so. I love the sound of this pedal but it increases the volume a lot every time it's on, so I decided to buy the Variphase and see how good it is.

    First, it's eye catchy, bright orange, solid *same housing as any Dunlop Cry Baby, great sound, very clean by pass and the pedal control works excellent.

    The only cons I found are that just as loud as the Phase 90 and the lower speed setting position of the pedal is like the 10 o'clock of the Phase 90.

    However, this pedal comes with several interesting features. First there's no spring, it has a on/off switch as a Cry Baby. It comes with a volume control and a mix control that allows you to control the amount of effect that you want in your signal and the volume of the mix, it is loud even at a very low level. Inside the battery compartment there's very little switch witch allows you to select either *Shallow or *Deep. Shallow is pretty much the same as the Phase 90 and Deep is the Phase 45. Both options offer great sound quality. There's another control inside the battery compartment, a small knob that works similar to the rate control of a Chorus pedal, detuning the wet signal a little bit to make the effect more tridimensional.

    It's a great effect, not very easy to control but totally worthy. MXR should include a user's manual inside the box, or at least have one online.

    (6 of 20 customers found this review helpful)

     
    2.0

    Doesn't do what I thought it did.

    By Andrew Barrett

    from San Angelo TX

    About Me Professional Musician

    See all my reviews

    Pros

    • Compact Design
    • Excellent Sound Quality
    • Responsive
    • Well constructed

    Cons

      Best Uses

      • Organ Effects

      Comments about MXR CSP-001X Variphase Pedal:

      I bought this thinking "Cool! A Phase-Wah pedal! How awesome is that!!" I was mixed up. It doesnt work like a wah, more like a leslie pedal that happens to be a phaser. The treadle works the number of the oscillations per second, not the oscillation itself. I was hoping for a more wah-like control of the phase sweep, not for control of the rotary effect speed. What's the point of that? A tap tempo for on a Phase 90 would've made more sense than this for a guitar pedal. This would probably sound cool on a keyboard though.

      (5 of 6 customers found this review helpful)

       
      4.0

      Different... But I like it.

      By So Cal Guitarist

      from San Bernardino CA

      About Me Experienced

      See all my reviews

      Ask me a question

      Pros

      • Excellent Sound Quality
      • Responsive
      • Versatile

      Cons

      • A Bit Pricey

      Best Uses

      • Amateur Recording
      • Events
      • Home Studio
      • Mobile DJ
      • Performances
      • Professional Recording

      Comments about MXR CSP-001X Variphase Pedal:

      I will start by saying that this pedal is not for everyone. But I like the volume and the mix controls; they help dial in the response. And the slide switch on the inside of the unit (can be accessed through the battery door) is a great touch, giving you shallow (script phaser) or deep (block phaser). I assumed that I would just leave it on deep, the "block" sound, but I've found that I really like the "shallow" script sound. That's probably how I will be using it.
      I got this on the SDOTD so it's well worth it for me. I get a choice between two phaser sounds, a wet/dry signal mix, and volume, with the pedal operating the speed function.
      If interested, just make sure you get the model number with the "X" at the end; it's the newer version with the on/off switch like a Cry Baby.

      (4 of 6 customers found this review helpful)

       
      5.0

      An Awesome Pedal, Don't Mind The Haters!

      By Bingo Bali

      from Logan UT

      About Me Experienced

      See all my reviews

      Pros

      • Excellent Sound Quality
      • Responsive
      • Versatile

      Cons

        Best Uses

        • Amateur Recording
        • Home Studio
        • Performances
        • Professional Recording

        Comments about MXR CSP-001X Variphase Pedal:

        I love Dunlop/MXR effects so much that I own like 9 of them, and this is a versatile addition to the fleet that replaces a rock-solid Phase 100 on my pedal board. You get 2 flavors of phasing - deep (MXR block type) and shallow (MXR script type); both are very musical. You can switch between the two using a switch hidden in the battery compartment, plus you can adjust the volume and mix (something you can't do with a Phase 90 or Phase 100) using little knobs on the side. And of course, you can control the speed to taste using the pedal itself.

        Some reviewers complained that this is 'too much like a Leslie;' well then try thinking outside the box and quit being so limited, then! Would you even know what to do with a Leslie? Probably not. Ratcheting up the speed with the pedal makes for really interesting phase artifacts, and the sounds you can get are only limited by your imagination and playing ability. This is a really cool take on classic phase sounds that gives you a wee bit more control in live/improv situations. Don't pay attention to the haters and give it a try while they are still making these!

        (3 of 3 customers found this review helpful)

         
        4.0

        Almost Great

        By Bread and Circuses

        from The Great Pacific Northwest

        About Me Professional Musician

        Pros

        • Easy To Learn
        • Excellent Sound Quality
        • Smooth Operation

        Cons

        • No Led
        • Switch Design

        Best Uses

        • Performances

        Comments about MXR CSP-001X Variphase Pedal:

        This is almost a great pedal. It sounds great and the sweep/feel are excellent. Overall I'm happy to finally have a treadle operated phase.
        But.... Why, oh why, oh why doesn't it have an LED???
        Also, it turns on/off the same way as a crybaby. This coupled with the fact that the fastest speed is at the toe down position means that I find it hard to be musical turning it on or off with the high speed "warbley" sound as the first or last thing you hear. An easy fix would be to have the slowest speed at the toe down position and the fastest speed at the heal down position. Or, better yet, move the on/off to another place more like the Fulltone deja'vibe MDV-3 (which I also own)
        I'm make the mods myself when the warranty period is over. I'd love to have a treadle operated flanger next!

        (1 of 2 customers found this review helpful)

         
        1.0

        defective and breaks immediately

        By Jimmypagejunior

        from Syracuse, NY

        About Me Professional Musician

        Pros

        • cool color

        Cons

        • Breaks Easily

        Best Uses

        • a large paper weight

        Comments about MXR CSP-001X Variphase Pedal:

        I plugged this in once, then did not use it- put it in the box new. The next time it was plugged in, it did not work. Dunlop has stated a number of defective units were shipped, and it appears that they went on the SDOTD?? I will be in touch about this, MF.

        (1 of 1 customers found this review helpful)

         
        4.0

        Fun to use and great sounding

        By JB914

        from NYC

        About Me Professional Musician

        See all my reviews

        Ask me a question

        Verified Buyer

        Pros

        • Excellent Sound Quality
        • Responsive
        • Versatile

        Cons

          Best Uses

          • Performances

          Comments about MXR CSP-001X Variphase Pedal:

          Many years ago, I used the Maestro Phaser which was kind of a small console with 3 rocker switches for slow, medium and fast phase settings. It was not sturdy enough for foot control and was better sitting on top of an amp but then had to be done by hand. I miss that sound, though, and this wah style pedal fills that need. It's pretty easy to sweep from slow to fast and can be left in any position. The mix and output controls on the side are easily used although I pretty much keep them in the fully off positions. The switch for mode selection between "script" and "block" is great but it's inside the battery opening. I keep it in the script/softer setting anyway but it would be nice to have the bolder block sound immediately on tap. I have the pedal Velcro attached so it's inconvenient for me. Not sure what sort of bypass there is, it's not mentioned anywhere, but I couldn't detect any signal loss or change when placed inline between guitar, amp and other pedals. Otherwise, great sounds, easy to use and very good quality.

          (1 of 8 customers found this review helpful)

           
          1.0

          phaser in wah enclosure

          By kb

          from sw IL

          About Me Experienced

          See all my reviews

          Verified Buyer

          Pros

          • Compact Design

          Cons

          • Breaks Easily
          • Not Responsive

          Best Uses

            Comments about MXR CSP-001X Variphase Pedal:

            Finally they updated unit with on/off switch, I figured "worth trying out". How could I go wrong with "custom shop" model. Mine was new and no phase effects signal would pass. Not my idea of "custom shop" where surface mount parts do not provide room on board to modify with good parts if it worked. Perhaps this sting will make me never consider dumlop effects.

             
            4.0

            Very sturdily built unit. 'Cry Baby' type pedal housing

            By Wildmann

            from Ccoa Beach Flotida!

            About Me Professional Musician

            See all my reviews

            Ask me a question

            Verified Reviewer

            Pros

            • Excellent Sound Quality
            • Responsive
            • Versatile

            Cons

              Best Uses

              • Amateur Recording
              • Home Studio
              • Performances
              • Professional Recording

              Comments about MXR CSP-001X Variphase Pedal:

              I have a '70's Vintage "Script phase 90! However- I used a D'Armond 1900 Pedal Phaser since '76. on the Road, Many years, 5-6 nites /week. I used to own a full line Musical Instrument, shop! SOOO_ I Know Gear!I used the D' Armond Pedal Phaser like Leslie. I was always tempted to put my Script Phase 90, into a Wah Wah, or Volume pedal shell, for speed control! NOW, I have 2 MXR CSP001 pedal phasers! I'm glad I didn't Cannabalize the still good Phase 90! These MXR CSP 001's are very Strong, output wise. However I'm sure with use I'll Learn to Control them! I have the vintage Script Phase 90 as a standard of comparison!

              (0 of 1 customers found this review helpful)

               
              5.0

              Great pedal!

              By Rockabilly1015

              from Panama City Florida

              About Me Professional Musician

              See all my reviews

              Verified Buyer

              Pros

              • Excellent Sound Quality
              • Responsive

              Cons

                Best Uses

                • Performances

                Comments about MXR CSP-001X Variphase Pedal:

                Great design love this pedal.

                 
                4.0

                Really cool pedal

                By Elemeno Pea

                from Woodstock NY

                About Me Experienced

                Verified Buyer

                Pros

                • Excellent Sound Quality
                • Responsive
                • Versatile

                Cons

                  Best Uses

                  • Amateur Recording
                  • Home Studio
                  • Performances
                  • Professional Recording

                  Comments about MXR CSP-001X Variphase Pedal:

                  This is a great phase pedal, like a phase 90 crossed with a wah, and as far as the effects go it's great. My only complaint is that it doesn't operate as smoothly as my wah pedal which makes it hard to change the effect speed precisely. I can probably open it up or have it repaired, but I shouldn't have to, given what I paid for it. Besides that though, no complaints. Plus the color looks awesome in contrast with my other pedals. I recommend this one!

                  Ps. Sounds surprisingly good for basses too!

                   
                  5.0

                  Interesting take on the MXR Phase 90

                  By Guitardave

                  from Western ny

                  About Me Professional Musician

                  See all my reviews

                  Ask me a question

                  Verified Reviewer

                  Pros

                  • Excellent Sound Quality
                  • Familar Format
                  • Responsive
                  • Versatile
                  • Well Built

                  Cons

                    Best Uses

                    • Amateur Recording
                    • Home Studio
                    • Performances
                    • Professional Recording

                    Comments about MXR CSP-001X Variphase Pedal:

                    I got a great deal on this pedal with a stupid deal of the day. I'm not sure I would have bought one at the regular price. I really like that you can control the speed of the phase effect. Here is the interesting part.
                    I have played Dunlop Wha-Wah pedals for years and am very accustomed to the feel of them. Having a phase effect controlled this way seems very natural to me. Also subtlety adjusting the speed, in wha-wha fashion is like a new sound of its own. Also great to use in an effects chain behind a B9 or C9 pedal for Leslie like effects.

                     
                    5.0

                    Great sound and the treadle makes it super easy to use

                    By tremelo68

                    from Boston, MA

                    About Me Experienced

                    See all my reviews

                    Ask me a question

                    Verified Reviewer

                    Pros

                    • Easy to use
                    • Excellent Sound Quality
                    • Responsive
                    • Versatile

                    Cons

                      Best Uses

                      • Amateur Recording
                      • Home Studio
                      • Performances
                      • Professional Recording

                      Comments about MXR CSP-001X Variphase Pedal:

                      Great phaser. All the MXR Phase 90 sound in a versatile and easy to use treadle pedal. Step on it to activate and then use your foot to set the pedal to the speed you like. I used it recently to mimic a Leslie speaker speeding up and slowing down. On close listen, it sounds nothing like a Leslie, but in the mix with the rest of the band and another guitartist, it really had that effect. Excellecnt pedal and I am glad it popped up at the Stupid Deal of the Day.

                       
                      5.0

                      "Multi-Sound Phase Shifter"

                      By David P. Makowski

                      from Philadelphia, Pennsylvania

                      About Me Experienced

                      See all my reviews

                      Ask me a question

                      Verified Reviewer

                      Pros

                      • Excellent Sound Quality
                      • Responsive
                      • Versatile

                      Cons

                      • None

                      Best Uses

                      • Hobbyist
                      • Home Studio

                      Comments about MXR CSP-001X Variphase Pedal:

                      The MXR Vari-Phase is a Phase Shifter housed in a Cry Baby Wah housing spray painted orange. I have the MXR Phase 90 but bought this unit so I could explore more phase sounds and tones. If you like the Phase 45 it has that if you like the phase 90 it has that too and many many more sounds which makes it so appealing. Yes it takes up a lot of space on a pedalboard but for recording it is wonderful.

                       
                      3.0

                      Interesting!

                      By wiregrass

                      from Montgomery, AL

                      About Me Experienced

                      See all my reviews

                      Ask me a question

                      Verified Reviewer

                      Pros

                      • Innovative
                      • Rugged

                      Cons

                      • Feature Trade-off
                      • Still a Bit Temperamental

                      Best Uses

                      • Amateur Recording
                      • Home Studio
                      • Performances

                      Comments about MXR CSP-001X Variphase Pedal:

                      These Cry Baby housings are tough as nails. Seems like Dunlop made a heroic effort to change things, based on what people criticized in the original version. I think the disdain for the spring-loaded treadle was a bit premature. Now there is a toe switch, so you have to push the effect into a rapid whirl when it comes on, then consciously back off, unless you engage it before the song starts. True, you can now leave it where you choose, which is great, but if you do rock it back and forth, you're still using your foot the whole time. I think the volume still doesn't go down quite far enough, and I never tried the original version, so I don't know if that has improved or not. I have it set on the "deep" setting, whichever one that is, but I'm already thinking the "shallow" setting might be better for me. I think the Mix knob on the side is a great feature. Maybe deep with less mix would be nice and subtle. I have a Phase 99, and this is different and useful enough to be on the board with it. So, a mixed bag. I think Dunlop is out of hot water, at least, and I appreciate getting a killer deal on it.

                       
                      4.0

                      Awesome Modulation Effect, Well a worth The Money

                      By Gearfreak.

                      from Baton Rouge, La

                      About Me Experienced

                      See all my reviews

                      Verified Reviewer

                      Pros

                      • Excellent Sound Quality
                      • Responsive

                      Cons

                        Best Uses

                        • Amateur Recording
                        • Events
                        • Home Studio
                        • Performances
                        • Professional Recording

                        Comments about MXR CSP-001X Variphase Pedal:

                        So I bought the Variphase CSP-001X on a SDOT purchase. I already have the MXR EVH Phaser, which is great but always having to adjust the speed between sings is a pain. This looked like a good alternative and solid as a rock.

                        So, the tones are very simular to the MXR Phase 90, block and script versions since this has an internal switch to toggle between the versions. There is a wet knob that allows you to make the effect more dramatic and a volume knob of course for volume. Then the treadle for the speed, which also has been upgraded to allow you to set it in a position and leave it there. . Toe down switch places the effect either on or off. Original version didn't have the on/off switch and the treadle was not a set it and forget it type as it was spring loaded to turn off which meant you had to keep your foot on it and hold it in place the entire time.

                        Now, this effect, to me, is very versitile with the adjustable on the fly speeds and additional knobs for the effect. Would I buy it again, yes! Would I recommend it to other, why yes!

                        The tones are exactly like my EVH Phaser. Spot on! But I find it almost better being able to adjust the wet side of the effect by bringing the actual effect up front or behind the original tone.

                        Awesome twist on the original version.

                        Only one minor issue some may not like is that the volume does increase slightly above the original volume when you engage the effect even when the pedals volume knob is set all the way down. Not an issue for me as I usually use it when playing lead and I want to step out of the mix just a little. I think it's perfect for that.

                        Before I got the Variphase, I rarely used my EVH Phaser because of constantly having to change speeds. This one is a keeper for sure since I can adjust the speed on the fly.

                        They should have built this version years ago. Do yourself a favor and get you one.

                        (0 of 2 customers found this review helpful)

                         
                        2.0

                        Variphase Pedal

                        By GA-5T

                        from St Petersburg

                        About Me Experienced

                        See all my reviews

                        Verified Buyer

                        Pros

                        • Excellent Sound Quality
                        • Heavy Duty Build
                        • Variable Speed

                        Cons

                        • Large Foot Print
                        • Limited Use

                        Best Uses

                          Comments about MXR CSP-001X Variphase Pedal:

                          I thought this would be more adjustable like the phase 100 but it is basically a foot controlled Phase 90 with a large foot print. it might be better well suited for a keyboard use.

                           
                          5.0

                          What more could you ask a phaser to do?

                          By Michael

                          from Heber Springs Ar.

                          About Me Experienced

                          See all my reviews

                          Ask me a question

                          Verified Buyer

                          Pros

                          • Excellent Sound Quality
                          • Good Selection Of Effects
                          • Responsive
                          • Versatile

                          Cons

                            Best Uses

                            • Amateur Recording
                            • Home Studio

                            Comments about MXR CSP-001X Variphase Pedal:

                            It's "The Best of Both Worlds" in a Cry Baby housing.

                             
                            5.0

                            A new twist on an old favorite

                            By Kevin G.

                            from Niagara Falls, NY

                            About Me Experienced

                            See all my reviews

                            Ask me a question

                            Pros

                            • Good Selection Of Effects
                            • Responsive
                            • Versatile

                            Cons

                              Best Uses

                              • Amateur Recording
                              • Events
                              • Home Studio
                              • Performances
                              • Professional Recording

                              Comments about MXR CSP-001X Variphase Pedal:

                              Unique. I feel more comfortable with the controls. Having it housed in Wah pedal was a great idea.

                               
                              4.0

                              Great adjustability!

                              By Conlinj

                              from Rockledge, PA

                              About Me Experienced

                              Pros

                              • Adjustable
                              • Excellent Sound Quality
                              • Versatile

                              Cons

                              • Size

                              Best Uses

                                Comments about MXR CSP-001X Variphase Pedal:

                                Currently have the "block" phase 90, I was considering a script reissue or the EVH phase 90. The block is nice but it wanted the script sound as well, which is why I was leaning towards the EVH model. I ended up with this because of the price, has an on/off switch (original version of this pedal didn't) and it has more adjust-ability than the EVH model. The ability to adjust the volume and the mix is great, some argue the vintage version let more of the dry signal through now you can adjust it. It also has the same style block/script switch that the EVH has in the battery area. The only thing that would make it better is maybe a true bypass option and using the smaller "mini wah" housing

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