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Roland AC-33 Acoustic Chorus Combo Amp   

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The AC-33 is the world's first battery-powered amp made specifically for acoustic guitar. Portable yet powerful, the AC-33 provides true stereo sound...Click To Read More About This Product

Available 03-01-2017

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Rich, deep, stereo sound to go.

The AC-33 is the world's first battery-powered amp made specifically for acoustic guitar. Portable yet powerful, the AC-33 provides true stereo sound, Guitar and Mic/Line channels, custom-tailored effects, anti-feedback, and a Phrase Looper. But this amp was made to go places no amp has gone before. Thanks to its battery-power capability, the AC-33 lets you take your act anywhere: into the backwoods, onto the streets, or wherever your
imagination leads you.

FEATURES
  • 30W (15W + 15W) of natural, stereo acoustic sound through twin speakers
  • Runs on AC power or eight AA batteries (accepts rechargeable NiMH types)
  • Dual-channel configuration: Guitar and Mic/Line
  • Reverb, chorus and new ambience effects
  • Advanced anti-feedback function
  • Phrase looper with 40 seconds of record time
  • Stereo AUX input
  • Headphone output
  • Built-in tilt-back stand
Reviews
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Review Snapshot

by PowerReviews
RolandAC-33 Acoustic Chorus Combo Amp
 
4.7

(based on 18 reviews)

Ratings Distribution

  • 5 Stars

     

    (15)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

90%

of respondents would recommend this to a friend.

Pros

  • Easy to use (9)
  • Portable (7)
  • Excellent sound (6)
  • Warm / comfy (4)

Cons

No Cons

Best Uses

  • Performances (6)
  • Home studio (4)
    • Reviewer Profile:
    • Experienced (8)

Most Liked Positive Review

 

Best Ever!

I have owned this amp for about 5 years and I have done over 500+ gigs with it easily. I have other similar products that I use depending on the size of the venue...Read complete review

I have owned this amp for about 5 years and I have done over 500+ gigs with it easily. I have other similar products that I use depending on the size of the venue but this is usually the one I go to first because it sounds the best. Most amps with seperate tweeters are artificially brittle and not very flattering to piezo pickups. The AC-33 is crisp and full but not brittle!. The looper is brilliant! The batteries last a long time but you get better headroom when you use the veary hearty AC adapter. The Feedback reduction is also very effective and does not kill the tone as some do. I use this amp constantly, it is a gig workhorse. For larger venues, it works well as a monitor and a line can be sent to the mains so it acts as a mixer on stage. The only thing I am not crazy about is the vocal mic input but it is good also, just not brilliant.
You really need to crank the gain on the vocal channel to get the signal because it is a multi use input and padded for versatility. No points off for that. The build quality is
Typical Roland- the best you can find. I would replace this in a second if it broke but it does not seem it ever will. It is worth every penny of the price, so buy it. Oh, BTW- I think of the series of AC amps, the 33 is the most natural sounding, not boomy and not brittle. It is GREAT for nylon string and other acoustic instruments also. I use it for UKe and Banjo too. Probably one of the BEST purchases I ever made.

VS

Most Liked Negative Review

 

Roland AC-33

Nice features. Well made. Sound quality needs to be improved.
Lots of features. Two channels with full eq and volume. Phantom power. Lots of input and output jacks on the...Read complete review

Nice features. Well made. Sound quality needs to be improved.
Lots of features. Two channels with full eq and volume. Phantom power. Lots of input and output jacks on the rear. Nice effects. Very light and portable. And it has a looper which is fun. I have a Roland AC-90 which is really great. The AC-33 is like a mini AC-90 with all the features and more, except for the sound. I hoped it would sound similar to the AC-90, just maybe not as loud. And it wasn't as loud, and I was not impressed with the sound, especially on battery. It probably would benefit from having a tweeter/high frequency speaker. The full range speakers just don't cut it. And the battery power feature is a great idea. You can use AA batteries, but again, the amp may have sounded better with a better power supply, maybe something rechargable.
The AC-33 appears to be built well, as are most Roland products. No cheesy knobs or jacks. And everything seemed to work as it should. But the quality of the sound was not there. This was actually the 2nd AC-33 I purchased. The first one sounded pretty much the same, The sound with the AC adapter is okay, but it goes downhill with batteries. As the volume goes up, sound quality goes down. If you push it a slight bit too hard, the sound breaks up, and it appears almost that there is a limiter on the output. I find this disturbing, and I think it makes the amp less useful. If you are using it on battery and the sound clamps down, what's the point. You need to be amplified and heard. Might as well go full acoustic.
Well, if the sound quality from the amp was much better either on AC or battery, it would be a good value, although a little over priced. And I'm always willing to pay a little more for Roland quality. But this amp just doesn't deliver.

Reviewed by 18 customers

Displaying reviews 1-10

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(0 of 1 customers found this review helpful)

 
5.0

I might not be an expert but I know what I like...

By Jim

from North Georgia

About Me Novice

Verified Buyer

Pros

  • Easy To Use
  • Excellent Sound
  • Good Warmth
  • Portable

Cons

    Best Uses

    • Performances

    Comments about Roland AC-33 Acoustic Chorus Combo Amp:

    I will start by saying I am a total newby on amps but wanted something to boost my acoustic guitar for a medium sized room. Portability and battery power option was a big factor. This little Roland does that and introduced me to something new--looping. The ability to add a microphone, add an aux input and effects are great features. It's not a "wall of sound" but makes up for that in many ways. I'm happy I invested just a bit more for this one.

    (1 of 1 customers found this review helpful)

     
    3.0

    Wanted to love it...distortion at low vol caused us to part

    By Whob

    from Central Illinois

    About Me Experienced

    See all my reviews

    Verified Buyer

    Pros

    • Easy To Use
    • Portable

    Cons

    • Poor Sound Quality

    Best Uses

      Comments about Roland AC-33 Acoustic Chorus Combo Amp:

      Yep, wanted this to be my go-to portable amp. Tried it's cousin, the Street Cube and liked it but wanted the version aimed at the acoustic guitar players, plus wanted the built in looping. Despite all the good reviews, I'm with the few who say it's just underpowered, or at least, the one I had was distorting at low volume plugged into AC. Guess I'll wait for the next iteration.

      (1 of 1 customers found this review helpful)

       
      5.0

      Great tone from a little amp

      By DDruziak

      from Gloversville NY

      About Me Experienced

      Verified Buyer

      Pros

      • Easy To Use
      • Excellent Sound
      • Good Warmth
      • Portable

      Cons

        Best Uses

        • Amateur Recording
        • Performances

        Comments about Roland AC-33 Acoustic Chorus Combo Amp:

        This amp is very versatile. Plugged in, it's quite loud. While on batteries, it isn't the loudest thing ever, but still worth buying. The other con is the price... But I would buy it again. I will say... This thing is smaller than I expected... Which is a good thing obviously. If you're looking for an amp to play with an acoustic... Go with this over the other ones. This has way better tone, and the built in looper works perfectly. Great purchase!!

         
        5.0

        Can't go wrong with this amp!

        By Cliff

        from undisclosed

        Verified Buyer

        Comments about Roland AC-33 Acoustic Chorus Combo Amp:

        First amp I have ever owned. Choose based on recommendations from other ukeule players. The Roland name speaks for itself and the fact I can use it on gigs with no AC power is a big plus. Very happy with my purchase

        (1 of 1 customers found this review helpful)

         
        5.0

        Great sound in a small package!

        By SASS Guitar

        from Colorado

        About Me Experienced

        Verified Buyer

        Pros

        • Easy To Use
        • Good Warmth
        • Powerful

        Cons

          Best Uses

          • Home Studio

          Comments about Roland AC-33 Acoustic Chorus Combo Amp:

          This little amp was a bit more than I wanted to spend right now but now I am SO glad I did! The option of running off power or going cordless off the battery is a sweet bonus. Was worried it wouldn't have enough sound but it is plenty strong with rich sound. Have not played with effects yet but glad they are there for when I am ready.

          (3 of 3 customers found this review helpful)

           
          5.0

          Convenience, value, and function all rolled into one

          By Man Up Nawth

          from Maine

          About Me Experienced

          See all my reviews

          Verified Buyer

          Pros

          • Easy To Use
          • Excellent Sound
          • Portable

          Cons

            Best Uses

            • Events
            • Home Studio

            Comments about Roland AC-33 Acoustic Chorus Combo Amp:

            When an impromptu group practice is on, or when playing a small venue, especially in places you can't guarantee will have a power outlet nearby, this amp is wonderful. The battery pack lasts for hours and the sound is great. Just had to remember to also bring a portable phantom power supply for the mics since the amp doesn't have one built-in (not a show stopper).
            The effects are clean and sound great - not overpowering. The built-in looper with overdub is fun and actually quite useful for laying down some percussion and background vocals for all the KT Tunstall wannabes.
            All in all, a worthwhile purchase, and a satisfying portable acoustic amp.

            (9 of 9 customers found this review helpful)

             
            5.0

            Best Ever!

            By Mat G.

            from Castaic, CA

            About Me Professional Musician

            See all my reviews

            Pros

            • Easy To Use

            Cons

              Best Uses

              • Performances

              Comments about Roland AC-33 Acoustic Chorus Combo Amp:

              I have owned this amp for about 5 years and I have done over 500+ gigs with it easily. I have other similar products that I use depending on the size of the venue but this is usually the one I go to first because it sounds the best. Most amps with seperate tweeters are artificially brittle and not very flattering to piezo pickups. The AC-33 is crisp and full but not brittle!. The looper is brilliant! The batteries last a long time but you get better headroom when you use the veary hearty AC adapter. The Feedback reduction is also very effective and does not kill the tone as some do. I use this amp constantly, it is a gig workhorse. For larger venues, it works well as a monitor and a line can be sent to the mains so it acts as a mixer on stage. The only thing I am not crazy about is the vocal mic input but it is good also, just not brilliant.
              You really need to crank the gain on the vocal channel to get the signal because it is a multi use input and padded for versatility. No points off for that. The build quality is
              Typical Roland- the best you can find. I would replace this in a second if it broke but it does not seem it ever will. It is worth every penny of the price, so buy it. Oh, BTW- I think of the series of AC amps, the 33 is the most natural sounding, not boomy and not brittle. It is GREAT for nylon string and other acoustic instruments also. I use it for UKe and Banjo too. Probably one of the BEST purchases I ever made.

              (6 of 6 customers found this review helpful)

               
              5.0

              Great Amp!

              By kootnet

              from Eureka, MT

              About Me Experienced

              Pros

              • Does It All
              • Easy To Use
              • Excellent Sound
              • Good Warmth
              • Portable
              • Powerful

              Cons

              • None

              Best Uses

              • Events
              • Home Studio
              • Jam sessions
              • Parties
              • Performances
              • Small gigs

              Comments about Roland AC-33 Acoustic Chorus Combo Amp:

              This amp is fantastic. You're not gonna take it to say a "Woodstock" but for the smaller venues, get togethers, bars, coffee house, parties and jam sessions it has more than enough volume! For lager venues just run the output to an AC 60 or AC 90. The sound is just fantastic! I couldn't be happier with this purchase.

              (5 of 5 customers found this review helpful)

               
              5.0

              Great little amp

              By Mr. Charleston

              from Jacksonville, Florida

              About Me Experienced

              See all my reviews

              Ask me a question

              Pros

              • Excellent Sound

              Cons

                Best Uses

                • Performances

                Comments about Roland AC-33 Acoustic Chorus Combo Amp:

                Great build quality. Strong clean sound. Use it in accustical performances (Old time/Irish) to give the guitar a little lift to match the bowed instruments in volume, and also as a guitar/mic combo for solo performances in small venues. Totally fills the bill for each. A little dissapointed in Reverb/Presence quality but certainly not a deal killer. Chorus is perfect and looper comes in handy for basic stuff. I'm playing a Taylor 514 with an L.R. Baggs M1A pickup. Very happy with this great little amp.

                (2 of 5 customers found this review helpful)

                 
                5.0

                See Phil Keaggy Demo on YouTube!

                By KevinDean

                from California

                About Me Experienced

                See all my reviews

                Pros

                • Easy To Use
                • Excellent Sound
                • Portable

                Cons

                  Best Uses

                  • Amateur Recording
                  • Home Studio
                  • Performances

                  Comments about Roland AC-33 Acoustic Chorus Combo Amp:

                  I saw this on YouTube...a demo by Phil Keaggy! Awesome little amp!!!

                  Displaying reviews 1-10

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