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Marshall AS100D Acoustic Guitar Amplifier (2x50 Watts, 2x8)

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Marshall AS100D Acoustic Guitar Amplifier (2x50 Watts, 2x8). The AS100D acoustic guitar amp has been specially designed for use with a variety of acoustic instruments, regardless of whether they have pickups built in or not. Between its 4 channels, this combo has the flexibility to handle instruments with piezo transducers or magnetic pickups, plus microphones, for both vocal and instrument reproduction.

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Marshall AS100D Acoustic Guitar Amplifier (2x50 Watts, 2x8”)

The 2 main acoustic instrument channels [1 and 2] may be linked together and feature independent level and EQ controls. The dedicated microphone channel offers a similar level of control. The AS100D also has phono inputs on the Auxiliary channel, specifically for use with external audio equipment.

Its 2x50-Watt stereo configuration gives you enough power to perform on stage with superb clarity, while the provision of a balanced line out allows you the luxury of direct connection to an external PA system for larger concerts.

The superb quality of the built-in digital effects for Reverb, Delay, and Chorus, adds an entirely new dimension to the range of sounds available. The AS100D is actually the first ever Marshall combo to feature digital effects, but it certainly wont be the last! Should you want to add further effects, there is a parallel effects loop complete with level control.

One of the most difficult aspects of amplifying acoustic instruments is feedback. To help eliminate this, the AS100D features several "anti-feedback" controls, including a Phase switch for each channel and frequency controllable Notch Filters with selectable extra depth for channels 1 and 2.

For clear and detailed performance, the AS100D is loaded with (2) 8 in. speakers and 2 high fidelity polymer dome tweeters. There is also an internal limiter that allows you to push the maximum level from the stereo 50-Watt output stage, while remaining distortion-free.

Compact and portable, the stylish AS100D offers great flexibility and is the ideal amplifier for the acoustic player who wants the highest quality performance, with absolutely natural tonal reproduction.

The Marshall AS100D gives you the power to perform, but with sound so natural you'll forget you're even plugged in!


  • Weight: 57.9 lbs.
  • Dimensions: 60 cm W x 54 cm H x 25 cm D

£ 500.00 Web price, inc VAT

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£416.67, VAT at 20.00%
£ 555.00
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Marshall AS100D Acoustic Guitar Amplifier (2x50 Watts, 2x8) Reviews



S'pretty good, a little treble'y sometimes which usually goes when the gig fills up. Loads of power (noise) when you need it, I'd compare it to be much more powerful (louder) than similar amps sporting almost twice the output (watts), could be speaker efficiency. Lotsa knobs which actually do plenty at the slightest turn. Heavy "my ass" its good to carry, but a little awkward on stairs. Leccy or acoustic guitars sound nice through this amp. Its a good one for sure. I never use effects, theyre sorta wickedly nice.


marshall as100d acoustic amp

Had this amp for nearly three years, and I use it in my blugrass band with a condenser mic , agreat piece of kit

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Marshall AS 100 D

It\'s simple.... good clean acoustic sound on guitars, mandolins, whistles, flutes and all sorts of other odd things we have put through it!

Controls are easy to use and alter whilst gigging, sound is crisp enough to use on its own in small pub situations, vocal effects range is good improving any voice, and a handy floor siwtch comes with it for instrument effects

Makes a good stage monitor if using pa.

It\'s a heavy lump to carry about but such is life, strong arms or a small trolley make it easier to move

Pricing is good for what you get which is prety much everything an acoustic musician good ask for... link it up to a good guitar and a good voice and you have all you will ever need for playing at home to small gigs, link it to a PA and you will enjoy the lovely sound of an acoustic still sounding acoustic when making sure the folks at the back can hear!



I took a bit of a gamble when I ordered this amp online. I did find some pretty good reviews prior to buying one. I must say this amp does it all very, very well. Low noise floor, powerful output, very articulate nice sounds, no dirtortion even at the highest of levels and plenty of options. Even among the digital effects there are a few I like.
For the price this amp is a steal!
Great work Marshall!

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