Item # 423449 | Customer Ratings: ( 5 Based on 7 reviews)

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Roland AC-33 Acoustic Chorus Combo Amp
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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.

Roland AC-33 Acoustic Chorus Combo Amp 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
    Removable battery cartridge for easy battery replacement

Product Reviews
(Based on 7 reviews)
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Viewing Reviews 1 - 3 of 7 |
  • Unbelievable Sound

    As reviewed by Dan on 10/17/2010

    I was trying out different guitar amps with acoustic guitars at a music store and when I plugged into this it was instant gratification. The sound was rich and full, and blew away everything else. The chorus and effects were excellent, and the price is affordable and well worth the product.

    7 of 7 people found this review helpful.
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  • Great little pro amp-Compared with Fishman Loudbox mini, and ZT Acoustic Lunchbox...

    As reviewed by BEN WOODS on 12/24/2012

    Always looking to downsize, I needed a new amp that was nice and small. I'm a professional Flamenco Guitar player and I needed something that I could do my smaller gigs where I provide "ambiance" in wine bars, restaurants, county clubs, hotels, weddings, etc., but also something that could handle a flamenco situation (with singers, dancers palmeros, etc.). I bought the Fishman Loudbox Mini, the Roland AC-33 and the ZT acoustic Lunchbox and tryed them all out right next to eachother in the GC acoustic room, and ended up going home with the Roland, here's why: Fishman Loudbox Mini-was great, clean and loud, and the reverb sounds fantastic (i am buying this one tomorrow for my Washington State gigs), but a had a bit too much midrange 'bite" and was quite a bit heavier, no battery function and is just kinda ugly. Wish they made it all black and discrete. ZT Acoustic Lunchbox-With all the hype and boasting 200watts I was sure I was going to love it. Nope, sounded terrible, at least with a nylon string guitar. Super small and has a lot of cool professional functions though. Roland AC-33- By far the warmest tone out of the 3. Best looking, and just as small as the Lunchbox, most lightweight too! Yes it has less wattage (30) but is almost as loud as the Fishman. I just played a wine bar with around 60 loud people and it did just fine with volumes at 50%. Handled my backing tracks too. The reverb, not as good as the Fishman (too platey) and I dont really care to use the looper or chorus much. But I can see the battery power really coming in handy for weddings and quick on the go gigs (I used to have a Crate Limo that I loved for it's battery but not for its tone). I have a 150watt amp for gigs I know will have 100 people or more. Or if it's a 500 person gig, I may just use the Roland and line out to the house or a powered speaker. In conclusion: Roland wins, Fishman comes in close second. The size, look, portability, and tone mattered the most to me with my purchase, for solo guitar gigging. Plenty of power for restaurant background music, small flamenco group, etc. When I am with a band, I would want to use something with more power. But the thing is cute and works great! No more rolley, just walk into the gig with a guitar on back and this in hand. If you get it, get the case by Arriba also. Holds the amp perfectly with room for your cables too.

    2 of 2 people found this review helpful.
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  • Mostly Goods, Some Not So Goods

    As reviewed by Jordan Armstrong on 11/5/2012

    My experience: Toured Afghanistan with an active Army band playing acoustic gigs with these amps. Setup was bass, two acoustics w/ vox, cajon. Performance: First of all the amp works how it's supposed to. It's incredibly easy to use, and it's small and lightweight while at the same time being VERY durable. It made it through a year of being lugged around the worst locations possible in a big TUF box in and out of helicopters. It was also able to adequately reflect changes in the sound produced whether it was a different guitar or effects. My Martin Dread sounded big and full and my buddy's Carvinstein sounded very cool with all his custom work and effects. How We Used It: We had two of them. Plugged acoustic and vox into each and adjusted our own settings/reverb on the amps and then plugged them into a few mains depending on the size of the room. If the room is any bigger than a small dining area in a restaurant you're going to want a decent main to pump out the total sound. They just aren't enough on their own unless you're playing a pretty small room. Issues: There really was only one, and I guess it's kind of expected. When plugged in these amps spoil you a bit because their performance really is good for what it's supposed to do. However, when you use these amps on battery setting the quality diminishes drastically, to the point where we weren't even comfortable putting out a product. It sounds almost as bad as an old Talkback tape recorder that I used to play with as a kid. It was that distracting. Bottom Line: If you're aware of what this amp should be used for (acoustic guitar/singing) and you do NOT expect to use it on the battery powered setting it's a good amp. Only count on the battery powered setting as an absolutely last step emergency.

    2 of 2 people found this review helpful.
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