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Roland AC-33

Acoustic Stereo Amp

  • 2 Channels
  • Power: 2 x 15 Watt
  • Battery operation: 2x 10 Watt, 8 hours
  • Equipped with: 2x 5" speakers
  • 40 seconds looper onboard
  • Digital effects and Anti-Feedback function
  • Controller Guitar Channel: Volume, EQ (bass, mid, treble), Chorus switch
  • Controller Mic / Line Channel: Volume, EQ (bass, treble), Chorus switch
  • Line output
  • AUX input
  • Dimensions: 32 x 22 x 24 cm
  • Weight: approx. 4.7 kg
  • Colour: Black
  • Including power adapter
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Sound samples

 
0:00
  • Bossa Pickup
  • Strumming Pickup
  • Voc

Further information

Power in Watts 30
Speaker size 2x 5"
Channels 2
Reverb Yes
Effects Unit Yes
External FX Loop No
Microphone Input Yes
Line Input Yes
Battery Operation Yes
Footswitch Connector Yes
Incl. Footswitch No

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Our most popular Acoustic Amplifiers
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36 written ratings Read all reviews
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Roland AC 33

Nicholas W., 26.09.2014
I think this amp is fantastic the quality of sound is amazing I am particually impressed with the reverb and effects. The built in looper is also very easy to use but you really need the pedal not supplied. The build quality is also very good I haven't used the amp outside yet which is the primary purpose . The volume level even at the highest gain does not distort or break up. This amp is an acoustic amp ang gives a warm clear sound. This is a very versatile piece of kit and ideal for home and studio use. With a line out it can be plugged into a pa and th amp used as a monitor. The build quality is also very good though I would have preferred a metal speaker mesh than the cloth.
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Total
quality
features
sound
handling

AMPLI ROLAND AC 33 on mains and battery

Frédéric G., 24.05.2011
AC powered acoustic guitar amp with supplied adapter and battery (8 AA batteries)

2 speakers delivering a power of 2 x 15W on mains and 2 x 10W on batteries. The sound is not very powerful, the use of a preamp is recommended. It is however sufficient for home use, but not enough for use in repetition.
The system of the battery pack is practical and ingenious: it is a removable box in which the batteries are housed. It is thus possible to remove the case and the batteries in a single manipulation when the amp is not used for a moment or when one plays on sector. (Which is recommended even if the notice gives a contrary opinion)

THE SOUND:
The definition of the sound is of excellent quality for an amp of this range. The effects (chorus reverb delay) are sufficient to play in acoustics since it is indeed an acoustic amp. Note two types of chorus: classical chorus and a second form of chorus being allowed only by the 2 stereo loudspeakers. One of the speakers restores the note without distortion while the other returns it with chorus. The effect is only audible when the two sounds mix in the air. Interesting and pleasant to hear.
The amp is also equipped with a stand to keep it oriented upwards and favor the diffusion of the sound. A detail that has its importance especially for amps of small size and limited power.

THE CONTROL PANEL:
Classic control panel and knobs from Roland. 2 separate channels with 3-band tone control on the instrument track and 2-band tone control on the mixed micro / instrument track. The definition of sound in acoustics is better on the instrument track alone. The sound transmitted by the piezo sensors is of good quality, without the hard and metallic stamp often inherent to these sensors. The other way can accept without a problem a guitar with magnetic sensor, but preamp mandatory.

It also has a recording loop of about 40 seconds with the ability to overlay the recordings. Practical to record a rhythm by hitting the guitar case or accompanying loop, and reproduce it to infinity to play over.
The quality of the recording is average as long as the recording starts automatically when it detects the beginning of the game. Therefore a certain power output is necessary. An arpeggio played soft to the fingers will not necessarily be detected and the recording will not happen.

Tried with acoustic guitars 6 strings and 12 strings equipped with piezo sensors and external preamp, as well as with a half jazz box. The sound with the half body is more fat and lack of clarity but it is very often the case by plugging this kind of guitar on purely acoustic amps.

BALANCE SHEET:
The Roland AC 33 remains a small mobile amp and at affordable price. And he fulfills this role well. This is not a stage amp.
Among the other mobile amps of the same range it is a little bit more expensive but the quality of sound and the device deserves it.
I would recommend the purchase.
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459 €
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Roland AC Stereo-Akustik-Amp
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Roland AC Stereo-Akustik-Amp
Rank #38 in Acoustic Amplifiers
 
 
 
 
 
test results:
Offers include 24% Greek VAT and are valid as long as stocks last. Shipping costs to Greece are 20 EUR, free shipping on orders above 298 EUR. Please click here for international Shipping rates. We do not accept liability for typographical errors or inaccurate information of any kind. *RRP = manufacturer's / distributor's recommended retail price in Germany
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