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Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier   

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The Behringer ACX900 is a 90W, two channel guitar amplifier that features 2 - 8" speakers for true acoustic fidelity. It includes 2 independent FX pr...Read More

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  • MSRP:
    $419.99
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    - $140.00
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    $27999

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OVERVIEW

True, natural acoustic sound.

The Behringer ACX900 is a 90W, two channel guitar amplifier that features 2 - 8" speakers for true acoustic fidelity. It includes 2 independent FX processors and an ultramusical, 7-band graphic EQ for each channel plus the revolutionary FBQ Feedback Detection system to reduce feedback in an instant. In addition, the ACX900 holds a dedicated Tuner switch per channel for use with an external tuner, FX inserts, and a balanced stereo XLR Line out with Ground Lift switch to enable a direct connection to your mixing console. The speaker cab also comes with a dual footswitch FS112.

FEATURES
  • 90W power
  • 2-channels (instrument and vocal) with separate controls
  • 2 - 8" dual-cone speakers
  • 2 integrated 24-bit digital FX processors each with 16 programs including reverb, modulation, delay, and various effects combinations
  • Revolutionary FBQ Feedback Detection System
  • Individual 7-band graphic EQ on each
  • channel
  • Switchable phase correction on Channel 1
  • for feedback prevention
  • Instrument and mic FX Inserts for external effects devices
  • CD input
  • Balanced XLR Line Out with ground lift
  • Dual footswitch FS112 for FX 1 and 2 bypass included

SPECIFICATIONS

Ultracoustic ACX900 Acoustic Guitar Amplifier

  • 20.7"W x 16.7"H x 9.1"D
  • 37 lb.
Reviews
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Review Snapshot®

by PowerReviews
BehringerUltracoustic ACX900 Acoustic Guitar Amplifier
 
3.9

(based on 19 reviews)

Ratings Distribution

  • 5 Stars

     

    (9)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (3)

  • 2 Stars

     

    (4)

  • 1 Stars

     

    (0)

20%

of respondents would recommend this to a friend.

Pros

  • Easy to use (4)
  • Portable (4)

Cons

No Cons

Best Uses

  • Outdoor events / games (3)
    • Reviewer Profile:
    • Experienced (5)

Most Liked Positive Review

 

Great Buy for the Price

I play a couple of high end acoustic guitars. I had never considered until now to purchase an acoustic amp. I finally made the move and I amnot disappointed. The proble with many...Read complete review

I play a couple of high end acoustic guitars. I had never considered until now to purchase an acoustic amp. I finally made the move and I amnot disappointed. The proble with many musicians as my Luthier has stated is that they buy low end instruments and expect equipment to make them sound better than what you have paid for. I feel I have made a steal with this amp and have no regrets. Once I went direct XLR to my PA system I was blown away. I don't rely on effects, so the sound is clear, bright and no distortion as one had mentioned in an earlier review.

VS

Most Liked Negative Review

 

ACX900 PROBLEMS....

I own several Behringer products including 2 of their small amps and am very pleased with the items I own. I was NOT pleased with this amp. The amp microphone effects circuit went haywire...Read complete review

I own several Behringer products including 2 of their small amps and am very pleased with the items I own. I was NOT pleased with this amp. The amp microphone effects circuit went haywire and was making loud irritating sounds, WITH AND WITHOUT a mic or guitar plugged in. Additionally, the effects send circuit had a short. This perhaps reflects quality control. As I said, I have other Behringer gear I am happy with so I was surprised by these issues. It's gong back and I will not reorder this. I need A RELIABLE ACOUSTIC AMP. Although more money, I going for the AG60 60W 2x8 Acoustic Guitar Combo Amp. Maybe I just got a lemon......

Reviewed by 19 customers

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Displaying reviews 1-10

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3.0

Cheap Workhorse

By 

from Ohio

About Me Experienced

Ask me a question

Pros

  • Easy To Use
  • Portable

Cons

  • Poor Sound Quality

Best Uses

  • Events

Comments about Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier:

I have owned this amp for about 7 years and have used it a lot. I can't fault it on how well it has held up to constant use and being moved around to gigs but it has never sounded that great. I did not realize how bad it sounded until I ran my Martin direct into my new PA system. If you can't afford anything better I guess it would do.

Comment on this review

 
5.0

Behringer ACX 900 is excellent PA System

By 

from Hamilton, Ontario, Canada

About Me Experienced

Pros

  • Easy To Use
  • Easy To Use With Excellen
  • Excellent Sound
  • Good Warmth
  • Portable
  • Powerful

Cons

  • No Problem

Best Uses

  • Events
  • Home Studio
  • Jamming

Comments about Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier:

I bought it about a year ago and I used it all the time at home. This year (2014) a friend of my hang around with me and he plays acoustic guitar too. I hooked up my Martin and the microphone on my side and he hooked up his Takamine and microphone on the other side. we jam together for three hours and every thing was excellent. We started using it all the time since then, no problem.

Comment on this review

 
2.0

Cat in a bag...

By 

from Ca, Serbia

About Me Experienced

Pros

  • Easy To Use
  • Portable

Cons

  • Limited Functions
  • Weak

Best Uses

  • Events

Comments about Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier:

Don't buy this amp. It looks very nice, vintage, but after all you will regret. Sound is not so bad, but amp is very, very weak.

Comment on this review

(1 of 1 customers found this review helpful)

 
2.0

Not Good Out Of the Box

By 

from pensacola fl

About Me Experienced

Pros

    Cons

    • Poor Sound Quality

    Best Uses

      Comments about Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier:

      Took it out of the box, plugged it in, lights on chan 1 flashing with nothing connected. turned tuner and phase and feedback off to get sound. Amp sounded terrible. Connected to chan 2 and was quite suprised how good it sounded. Went back to chan 1 and it was bad. Returned it and will try something else. Amp does look nice and vintage, too bad it doesn't function as promised. Mfriend was great about the return.

      Comment on this review

      (4 of 5 customers found this review helpful)

       
      3.0

      ACX900 PROBLEMS....

      By 

      from Vegas, NV

      About Me Experienced

      Pros

      • Easy To Use
      • Portable

      Cons

      • Reliability

      Best Uses

      • Amateur Recording

      Comments about Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier:

      I own several Behringer products including 2 of their small amps and am very pleased with the items I own. I was NOT pleased with this amp. The amp microphone effects circuit went haywire and was making loud irritating sounds, WITH AND WITHOUT a mic or guitar plugged in. Additionally, the effects send circuit had a short. This perhaps reflects quality control. As I said, I have other Behringer gear I am happy with so I was surprised by these issues. It's gong back and I will not reorder this. I need A RELIABLE ACOUSTIC AMP. Although more money, I going for the AG60 60W 2x8 Acoustic Guitar Combo Amp. Maybe I just got a lemon......

      Comment on this review

      (5 of 5 customers found this review helpful)

       
      4.0

      Great with GR setup

      By 

      from Undisclosed

      Comments about Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier:

      Good buy for the money but if you can afford it go for the 1800.
      Plug my GR33 into the CD input in the back and run ther guitar out to the Inst. channel. The GR through the Aux in sounds as good, or better, as through my Bose computer speakers.
      Would have liked a master volume control and a little more headroom on the mic channel.
      Looks stuuning and everything appears well built.
      I've always had good luck wiith Behringer's products and this is one of my favorites.

      Comment on this review

      (6 of 6 customers found this review helpful)

       
      5.0

      cool little Amp

      By 

      from Undisclosed

      Comments about Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier:

      I know this amp is not the loudest amp in the world, but as far as a practice amp or coffee shop type gigs it's perfect. Ive had it for about 2 years and it still runs smooth. Honestly what really makes the difference in the end is the preamp system or pick up you have for your acoustic. I have a Fishman prefix pro and plugged into the amp it sounds really good. The cool things is you can use the amp as a direct in to a PA for a louder setup and still get all the effects you need and well as a really clean sound.

      Comment on this review

      (3 of 5 customers found this review helpful)

       
      2.0

      Tinny and weighs a ton

      By 

      from Ashburn, VA

      Comments about Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier:

      This thing is small and still weighs a ton. If it sounded good, that would redeem it, but the tinny sound just could not be corrected, regardless of settings. I had Fender Acoustasonic 30 amp, which I would recommend over this one. Should have kept the Fender. I returned the Behringer right away.

      Comment on this review

      (8 of 8 customers found this review helpful)

       
      5.0

      Great Buy for the Price

      Comments about Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier:

      I play a couple of high end acoustic guitars. I had never considered until now to purchase an acoustic amp. I finally made the move and I amnot disappointed. The proble with many musicians as my Luthier has stated is that they buy low end instruments and expect equipment to make them sound better than what you have paid for. I feel I have made a steal with this amp and have no regrets. Once I went direct XLR to my PA system I was blown away. I don't rely on effects, so the sound is clear, bright and no distortion as one had mentioned in an earlier review.

      Comment on this review

      (6 of 6 customers found this review helpful)

       
      5.0

      My Epi's Perfect Companion...

      By 

      from Arizona

      Comments about Behringer Ultracoustic ACX900 Acoustic Guitar Amplifier:

      As an owner of an Epiphone AJ-100CE Acoustic-Electric Guitar (which I reviewed here), I chose this for it's amplifier almost three years ago. Trust me when I say one could never go wrong with this outstanding, beautiful & powerful sounding amplifier. I have even used it at times for my regular electric guitars, winding up with a big ol' smile on my face every time. I consider it a trusted friend that will never let me down, no matter the venue. And if the venue gets too big, then I'll buy at least one more to go along with this one. Great Job Behringer...

      Comment on this review

      Displaying reviews 1-10

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