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MXR M-101 Phase 90 Pedal

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The MXR M-101 Phase 90 Pedal gives you classic phasing with variable speed control. Add shimmer to lead passages or jet-plane resonance to muted stru...Click To Read More About This Product

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OVERVIEW

This unit virtually launched the phase craze.

The MXR M-101 Phase 90 Pedal gives you classic phasing with variable speed control. Add shimmer to lead passages or jet-plane resonance to muted strumming. Not just for guitars; it works well with bass, keyboards, and even vocals. Vary the speed from a subtle, long cycle to a fast, watery warble with endless vintage vibrations in between. The MXR M-101 is powered by single 9V battery or Dunlop ECB-003 AC Adapter

FEATURES
  • 2-3/8"W x 4-3/8"H x 1-1/4"D
  • 1 lb.
Reviews
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Review Snapshot

by PowerReviews
MXRM-101 Phase 90 Pedal
 
4.6

(based on 127 reviews)

Ratings Distribution

  • 5 Stars

     

    (90)

  • 4 Stars

     

    (26)

  • 3 Stars

     

    (5)

  • 2 Stars

     

    (5)

  • 1 Stars

     

    (1)

100%

of respondents would recommend this to a friend.

Pros

  • Excellent sound quality (15)
  • Compact (11)
  • Responsive (11)
  • Versatile (5)

Cons

  • Limited selection of effects (5)

Best Uses

  • Performances (13)
  • Amateur recording (11)
  • Professional recording (11)
  • Home studio (8)
  • Outdoor events / games (6)
    • Reviewer Profile:
    • Experienced (11), Professional musician (5)

Most Liked Positive Review

 

A simple durable phaser

This is a very nice pedal for the price point. Its small so it fits on a pedalboard very well, uses standard 9V/100mA power so most pedal power units work great. These...Read complete review

This is a very nice pedal for the price point. Its small so it fits on a pedalboard very well, uses standard 9V/100mA power so most pedal power units work great. These MXR pedals (I've got a bunch that use this same size box design) all have a slight drawback. (For me anyways) The power plug is on the side right next to the input jack. On a crammed pedal board it can be a pain. The tiny rubber feet on these size MXR pedals pull right off so you can stick a velcro strip on easily. The main thing is the tone. Its quite nice. Ive certainly heard better but for a basic phaser this is a fantastic unit. Like the other MXR pedals in this housing, its very tough, being made of all metal with a quality switch that seems to last very well. The drawback to this pedal are not really a drawback because its obvious before you buy it, but, anyways.... the drawback is the single speed control knob. It doesn't have any "features" really. You just adjust the speed of the phasing sound with the knob and thats it. It doesn't seem to color your sound when its off. I don't know if its true bypass or not. One final note: this pedal sounds best used between your guitar and the front of the amp. Trying to use it through an amps effects loop will not work well. At least not for me. If you need a simple, durable, nice sounding phaser, this one will work great.

VS

Most Liked Negative Review

 

Beware of your Clean Tone

I love this pedal. The only reason why it gets a 5 for overall rating is because of an issue that this pedal has. I bought one of these a month ago and thought...Read complete review

I love this pedal. The only reason why it gets a 5 for overall rating is because of an issue that this pedal has. I bought one of these a month ago and thought something was wrong with it so I sold it and bought another one about 2 weeks ago and it still has the same problem. If you use this pedal in a clean tone with Humbuckers it sounds distorted. If you run the pedal through overdirve or fuzz it sounds fantastic. The only way to get this pedal to sound good in a clean channel is to use Single Coil Pickups. Thankfully my guitar has Coil-Splitting so I waws unable to avoid the distortion. After doing some reserch I found out that this re-issue has a Low Input Threshold and because of that if you use Humbuckers the pedal sounds distorted. So beware of this if you are planning on purchasing this pedal and you only have humbuckers. But other than that flaw, I love this pedal. Sounds very organic and rich.
Only one knob. You only need one knob, thats the beauty of this pedal. It adjusts the speed only. This pedal does not need any other knobs, it is that easy.
I don't think that regular use as a studio musician or giging musician will break this pedal unless you abuse it. Built like a tank.
it is a great deal considering Boss pedals are more and they are not analog like this pedal it.

Reviewed by 127 customers

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(5 of 5 customers found this review helpful)

 
3.0

Beware of your Clean Tone

By Eldudeman

from Fremont, Ca

See all my reviews

Ask me a question

Comments about MXR M-101 Phase 90 Pedal:

I love this pedal. The only reason why it gets a 5 for overall rating is because of an issue that this pedal has. I bought one of these a month ago and thought something was wrong with it so I sold it and bought another one about 2 weeks ago and it still has the same problem. If you use this pedal in a clean tone with Humbuckers it sounds distorted. If you run the pedal through overdirve or fuzz it sounds fantastic. The only way to get this pedal to sound good in a clean channel is to use Single Coil Pickups. Thankfully my guitar has Coil-Splitting so I waws unable to avoid the distortion. After doing some reserch I found out that this re-issue has a Low Input Threshold and because of that if you use Humbuckers the pedal sounds distorted. So beware of this if you are planning on purchasing this pedal and you only have humbuckers. But other than that flaw, I love this pedal. Sounds very organic and rich.
Only one knob. You only need one knob, thats the beauty of this pedal. It adjusts the speed only. This pedal does not need any other knobs, it is that easy.
I don't think that regular use as a studio musician or giging musician will break this pedal unless you abuse it. Built like a tank.
it is a great deal considering Boss pedals are more and they are not analog like this pedal it.

(3 of 3 customers found this review helpful)

 
4.0

A simple durable phaser

By Corp

from Endor, Moon

About Me Experienced

See all my reviews

Ask me a question

Pros

  • Classic effect
  • Compact Design
  • Simple
  • Very durable

Cons

  • Limited Selection Of Effects

Best Uses

  • Amateur Recording
  • Performances
  • Professional Recording

Comments about MXR M-101 Phase 90 Pedal:

This is a very nice pedal for the price point. Its small so it fits on a pedalboard very well, uses standard 9V/100mA power so most pedal power units work great. These MXR pedals (I've got a bunch that use this same size box design) all have a slight drawback. (For me anyways) The power plug is on the side right next to the input jack. On a crammed pedal board it can be a pain. The tiny rubber feet on these size MXR pedals pull right off so you can stick a velcro strip on easily. The main thing is the tone. Its quite nice. Ive certainly heard better but for a basic phaser this is a fantastic unit. Like the other MXR pedals in this housing, its very tough, being made of all metal with a quality switch that seems to last very well. The drawback to this pedal are not really a drawback because its obvious before you buy it, but, anyways.... the drawback is the single speed control knob. It doesn't have any "features" really. You just adjust the speed of the phasing sound with the knob and thats it. It doesn't seem to color your sound when its off. I don't know if its true bypass or not. One final note: this pedal sounds best used between your guitar and the front of the amp. Trying to use it through an amps effects loop will not work well. At least not for me. If you need a simple, durable, nice sounding phaser, this one will work great.

(3 of 5 customers found this review helpful)

 
2.0

Stopped working

By Eric Fulmer

from New York City

Comments about MXR M-101 Phase 90 Pedal:

After owning this pedal for about a year, it stopped working, just sucking tone and lowering my volume when it was turned on. It was a good pedal before that, but I can't in good conscience say that something that stops working after a year of light use is a good product. Try better next time, Dunlop.

(2 of 2 customers found this review helpful)

 
5.0

Phase 90

Comments about MXR M-101 Phase 90 Pedal:

Simply put the good old standard. I've tried others even more expensive and this one is the best. Looking for a quality phaser look no further.
Does what it's supposed to do.
Wonderful pedal for the price
Can't beat the price.

(1 of 1 customers found this review helpful)

 
5.0

Love this one.

By Loopio

from Tucson, AZ

About Me Professional Musician

See all my reviews

Verified Buyer

Pros

  • Excellent Sound Quality
  • Responsive
  • Versatile

Cons

    Best Uses

    • Professional Recording

    Comments about MXR M-101 Phase 90 Pedal:

    Love this one. One would wonder how much different settings you could achieve with one knob. The sound is wonderful and it is very responsive before distortion pedal as well as after. I like my phase 90 after distortion. The sound is creamy and larger than life.

    (1 of 3 customers found this review helpful)

     
    3.0

    MXR Phase 90

    By CreepingSeth

    from Northwest PA

    See all my reviews

    Comments about MXR M-101 Phase 90 Pedal:

    I'd suggest a "classic script" version over this one, especially if you use high gain or active pickups. The "classic script" phase shifter pedals from MXR sound a lot smoother. It can sound harsh at times depending on where you put it in your signal chain and also can add extra distortion to your signal, which my I run it through it through my loop.
    Not much
    It's built like a tank.
    IMO you're not getting much for the price.

    (1 of 1 customers found this review helpful)

     
    5.0

    mxr phase 90

    By wardog-CrXt2

    from San Diego

    See all my reviews

    Comments about MXR M-101 Phase 90 Pedal:

    I've been playing for almost 20 yrs now and mxr is still one of the most simple, reliable, awesome sounding pedals out there. specialy this phase 90 which help shape the brown sound of EDDIE VAN HALEN, which got me to start playing guitar to begin with. hook-it up for that 70's funk or that mean brown sound, you won't be sorry! a must have for collectors or part your gig pedals. this pedal is simple and if you cannot figure this one out, they always need gas station attendants.

    (1 of 1 customers found this review helpful)

     
    5.0

    Not bad for phase pedal on a budget

    By guitarjunky97

    from Stuarts Draft, VA

    See all my reviews

    Comments about MXR M-101 Phase 90 Pedal:

    I just recently purchased this pedal while it was on sale for 56 bucks and its a nice pedal. Well built and will outlast anything else, the phase knob glows in the dark which is nice in a dark room. It doesnt have a ton of features but it works and you can get a lot of different sounds with just one knob. I also would recoomend getting a 9 volt adaptor or it will eat batteries like there is no tomorrow.

    (1 of 1 customers found this review helpful)

     
    4.0

    Great all around phaser sound.

    By Matthew Rogers

    from Texas

    Comments about MXR M-101 Phase 90 Pedal:

    Great for any style music, easy to use with only one knob to adjust. Just wish MXR would come up with a phaser that includes a tap tempo function. Now that would be really useful! Also, mine pops when I hit the bypass switch. which is why I gave it this rating.

    (1 of 1 customers found this review helpful)

     
    5.0

    You gotta have one of these!

    By Bob at Kokopelli Guitars

    from Battle Creen, Michigan

    See all my reviews

    Ask me a question

    Comments about MXR M-101 Phase 90 Pedal:

    This thing is cool if you don't try to go overboard. Keep it set around 8-10 o'clock for some nice effects. I own several MXR pedals & have NEVER had any problems (of course I'm not out touring anymore) Buy it, you'll like it!
    More knobs maybe????

    (0 of 1 customers found this review helpful)

     
    5.0

    True to the original

    By Wes

    from Pensacola, FL

    About Me Experienced

    Verified Buyer

    Pros

    • Compact Design
    • Excellent Sound Quality

    Cons

      Best Uses

      • Amateur Recording
      • Performances

      Comments about MXR M-101 Phase 90 Pedal:

      This was a replacement for my classic 80's issue MXR Phase 90 pedal that finally gave up the ghost. The sound and controls are true to the original. Used to augment my acoustic, its moderate size makes it very compatible with my pedal board designed for newer generation mini-pedals.

       
      5.0

      Can't go wrong...

      By Scott

      from Charlotte, NC

      About Me Experienced

      See all my reviews

      Pros

      • Compact Design
      • Excellent Sound Quality
      • Responsive

      Cons

        Best Uses

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

        Comments about MXR M-101 Phase 90 Pedal:

        This pedal does one thing and does it very well and is easy to use. I honestly can't believe how inexpensive it is for the sound it puts out. Very well worth it!

        (0 of 1 customers found this review helpful)

         
        5.0

        Good delivery

        By Dad

        from Edgewood, WA

        Verified Buyer

        Pros

        • Arrived on time. Excellent condition. Gifted.

        Cons

          Best Uses

          • Performances

          Comments about MXR M-101 Phase 90 Pedal:

          A gift.

          (0 of 1 customers found this review helpful)

           
          5.0

          Fantastic sounds!

          By Mibbly

          from Bay Village, Ohio

          About Me Professional Musician

          See all my reviews

          Ask me a question

          Verified Buyer

          Pros

          • Compact Design
          • Excellent Sound Quality
          • Responsive
          • Versatile

          Cons

            Best Uses

            • Home Studio
            • Performances

            Comments about MXR M-101 Phase 90 Pedal:

            The sounds this pedal makes are incredible! Just what I was looking for?

             
            4.0

            Was going to return, couldn't bring myself to do it!

            By Donglord666

            from Fargo, North Dakota

            About Me Experienced

            See all my reviews

            Pros

            • Compact Design
            • Excellent Sound Quality
            • Responsive

            Cons

            • Limited Selection Of Effects

            Best Uses

            • Amateur Recording
            • Events

            Comments about MXR M-101 Phase 90 Pedal:

            When I got this pedal I was excited, I had wanted one for about 4 years and finally decided to just break down and get one. After playing it for awhile I was a little let down, in addition to the phaser effect it gave a small gain boost that was undesired. I wasn't a big fan of it. I considered returning it, but then as I was about to bring it back I decided to play with it again just to make sure I wanted to get rid of it. All of a sudden I fell in love with it again, even with the small gain boost! I have it one with almost every song I play, it adds just a small flavor to everything you play!

             
            5.0

            Great!

            By rmndportillo

            from Miami Florida

            About Me Professional Musician

            See all my reviews

            Pros

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

            Cons

            • Limited Selection Of Effects

            Best Uses

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

            Comments about MXR M-101 Phase 90 Pedal:

            It doesn't have much control for the phasing, but that is not bad news at all. It gives a lot of nice phasing great tones. If you want more control over the effect buy another one. Nevertheless, I think you should get another one only if your music is based on this effect, that way you can have more control of it. Otherwise, this is a wonderful machine. I love the way it sounds with my distortion. With the clean sound, just with a little of it, sounds incredible too, specially for those slow songs. Another turn on is the price; it is very economical. Like I said before in other reviews, you can't go wrong with MXR. Among other good brands like Mad Professor, Earth Quaker Devices and TC Electronics, this is one of the best

             
            5.0

            Perfect for getting the early EVH sound.

            By Guitarman

            from Cabot, AR

            About Me Experienced

            See all my reviews

            Pros

            • Best Phase Made
            • Excellent Sound Quality

            Cons

            • None

            Best Uses

            • Amateur Recording
            • Home Studio
            • Performances
            • Professional Recording

            Comments about MXR M-101 Phase 90 Pedal:

            I bought this to add some spice to my solos and to nail Eddie's early sound. It does it perfect. I set the knob between 8 and 9 O'Clock and it is just what I need.

             
            5.0

            The Original and Still the Best.

            By Phoenix Guitar Dude

            from Phoenix, AZ

            About Me Experienced

            See all my reviews

            Ask me a question

            Pros

            • Affordable
            • Classic Tone
            • Compact Design
            • Excellent Sound Quality
            • Launched Legendary Co
            • Put Mxr On The Map
            • Responsive
            • Simple To Use
            • Solidly built
            • Versatile

            Cons

              Best Uses

              • Amateur Recording
              • Home Studio
              • Performances
              • Professional Recording

              Comments about MXR M-101 Phase 90 Pedal:

              Compact, affordable, simple to use and built like a tank. Most importantly - sounds great. I can't tell the difference between this and the EVH other than the paint-job and the price. I'm still very pleased with the original. It's the only one for me!

               
              5.0

              Awesome pedal

              By Han

              from Nashville

              About Me Experienced

              Pros

              • Compact Design
              • Excellent Sound Quality
              • Responsive

              Cons

                Best Uses

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

                Comments about MXR M-101 Phase 90 Pedal:

                I got this pedal to add texture to my sound. Now this isnt something you would want to use all the time...but it's surprising how often, at a low setting, you will use it. It adds flavor to a lead, and it adds "shimmy" to a rhythm. It's very similar to a flanger, but I find it to be more subtle, and useable. You can get that similar feel without it sounding so over the top. I highly reccomend this little pedal.

                 
                5.0

                very good product

                By peas

                from Illinois

                About Me Experienced

                Verified Buyer

                Pros

                • Excellent Sound Quality
                • Good Selection Of Effects

                Cons

                  Best Uses

                    Comments about MXR M-101 Phase 90 Pedal:

                    I have always been very well pleased with all the things I have purchased from Musicians Friend.
                    Always been treated very kindly & Fair.
                    peas

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