Totally true to your instrument sound and your music.

The Behringer ACX1800 is a 180W, 2-channel amplifier that features 2 - 8" speakers for true acoustic fidelity. The ULTRACOUSTIC amp includes 2 independent FX processors and an ultra-musical, 9-band graphic EQ for each channel, plus the revolutionary FBQ Feedback Detection system to reduce feedback in an instant. In addition, the ACX1800 has mute switches, inserts on each channel, and a balanced stereo XLR line out with ground lift switch to enable a direct connection to your mixing console. Includes a dual FS112 footswitch for effects on/off and channel switching.

Behringer ULTRACOUSTIC ACX1800 Acoustic Guitar Amplifier Features:

• Powerful 180-Watt, 2-channel stereo amplifier for acoustic instruments and vocals
• 2 original 8" dual-cone speakers for ultimate sound reproduction
• 2 integrated, 24-bit digital FX processors each with 16 awesome effects programs including reverb, modulation, delay, and various effects combinations
• Revolutionary FBQ Feedback Detection System instantly reveals critical frequencies
• Dedicated instrument and microphone channels with separate Gain, Compressor and FX controls
• Individual 9-band graphic EQ on each channel
• Dedicated Tuner switch per channel for use with external tuner
• Switchable Phase correction on Channel 1 and Master for feedback prevention
• Instrument and mic FX Inserts for external effects devices (stomp boxes, rack effects, etc.)
• CD input
• Balanced stereo XLR line out with ground lift
• Dual footswitch FS112 for FX included
  
  

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Behringer ULTRACOUSTIC ACX1800 Acoustic Guitar Amplifier Specifications:

• 20.7"W x 16.8"H x 9.5"D 40.6 lbs

Behringer ULTRACOUSTIC ACX1800 Acoustic Guitar Amplifier

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Average of 13 User Ratings

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good choice

Posted by tvm from Charleston WV on Mar 9, 2009

Experience w/product: I own it

Reviewer's Background: performing musician 40+years

Reviewer's Play Style: swing/jazz standards

I play swing style guitar with a horn band and this amp works well with this. It provides a nice … clean …. acoustic/electric sound. The effects are suitable and I am very happy with the quality of sound. I have used the microphone connection only twice but it was sat with the environment. This is not something to be used if you want a big sound with a vocal group … for that get a PA system … but for one or two people with a guitar it does well in quiet, listening settings

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Dissapointed

Posted by BlutoTheBluesman from Wausau, Wisconsin on Aug 18, 2008

Experience w/product: I own it

Reviewer's Background: 22 year veteran

Reviewer's Play Style: Country, Folk, Bluegrass, Oldies

I currently own both the ACX900 and the ACX1800. I bought the 1800 because of the extra power output and the adjustable parameters for the effects and also the compressor. I felt very let down by this amp last week when I gigged with it for the first time. When I set up before we got started, I expected to use the 1800 because I sing lead and play lead guitar in a 3 person acoustic trio. I was to let our backup singer use my old 900 and the other guy has a 900 as well. Side by side comparisons lift me shocked at how different these amps are from each other. The 1800 lacked the volume big time and the fullness and bass response were nill. The vocals distort much, much too easily. The compressor works well but nothing could even bring this amp close to the quality of the lower wattage ACX900. I decided to use the 900 for myself at the last minute and set up the 1800 for our female backup singer so the vocals wouldn't distort much but we got a lot of complaints that nobody could hear her. The instrument channel sounds a little better in my opinion on the 1800 but neither channel will give you anywhere near the volume or bass response as the 900. I just purchased another 900 for this weekend's gig and will be returning the 1800.

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A Professional View

Posted by 3 Dog Music from Jacksonville Florida on Aug 11, 2008

Experience w/product: I own it

Reviewer's Background: Professional Guitarist 43rd year

Reviewer's Play Style: Acoustic Rock & Blues, Fingerstyle

This thing is one clean machine. I use it with my top quality Gibson's & and other top of the line acoustic's in room from 75 to 175 seating cap. And it fills the room nicely. I was worried about a good bass end with such small speakers, but the closed back does the job. I do place the amp on an amp stand to get it off the floor and project into the room. There's no sense trying to play at someones feet. This is not a muscle amp, but it is a true projection of the instrument that your putting into it. When I need more kick for opening act slots and larger venues,I do use the direct line outs into the main sound system and use the amp as a monitor. I set my level and tone then give it to the soundman. No buzz or hum. Just a clean signal to the board. I'm about to purchase the second one for each side on the stage.

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Great price, but may not be for everyone.

Posted by Duncan Miller from Arizona on Apr 13, 2008

Experience w/product: I own it

Reviewer's Background: Active Musician

Reviewer's Play Style: Fingerstyle, country, and etc.

This amp has all the features that one could ask for; i.e. 16 adjustable effects on both channels, and tuner mode that silences the amp, and a two button foot pedal to control each channel. The sound is dead on, except when I turned it to the maximum to hear the full power, I got a slight buzz from the feedback suppression. I know that it is not as loud as 180 watts is expected to be. This amp is more like 60 to 80 watts for each channel. I had a Behringer GX112 Blue Devil that was 60 watts and this amp is comparable to that. I think the mistake is made when consumers believe that the instrument channel is 180 watts, which it is clearly not. This amp is great for someone playing a small cafe, quiet bookstore, or a bedroom, but do not expect to go on tour with an inexpensive PA. Play it before you buy.

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Best amplifier I ever owned.

Posted by HaveGuitarz-WillTravel from Southwest Virginia on Mar 7, 2008

Experience w/product: I own it

Reviewer's Background: N/A

Reviewer's Play Style: Country,Alt. Country,Bluegrass,Rock,Oldies,Folk.

I have been using this amp since summer 2007 and I have to say it's performance has been incredible. I know it's called ultracoustic but acoustic or electric or my 6 and 12 strings I mike with a condenser mike and pre-amp the sound is awesome. The fx's are great and it has plenty of watts for playing club gigs. It is great not having to lug a pa system around. The craftsmanship and attention to detail have made me a lifetime Behringer customer. If you need a good, solid, versatile amp, buy this one you won't be dissapointed.

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Behringer ULTRACOUSTIC ACX1800 Acoustic Guitar Amplifier

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Behringer ULTRACOUSTIC ACX1800 Acoustic Guitar Amplifier

Read 13 Reviews