Marshall AVT100 Guitar Combo Amplifier with Digital Effects (100 watt, 3 channel, 1x12 inch)

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Headphone jack. Speaker emulated line out. Effects loop. Includes footswitch.
The AVT100 heralds a whole new era of Marshall Valvestate. In addition to housing 16, adjustable DFX, this combo boasts 3 channels, each of which has been voiced to give the broadest range of sounds and tones possible.

Clean: This incredibly versatile channel will take you from the cleanest clean to a natural, valve-induced crunch - and anywhere in between. A Bright Switch enhances high-end cut at low Gain settings.

Overdrive 1: Takes you from the dynamic raunch of a 1959 Plexi to the larger-than-life crunch of a cranked JCM800. It also has a Scoop Switch that reconfigures the EQ to give you that classic, ride-the-lightning Thrash sound of the 80's.

Overdrive 2: Goes from the primal angst of a hot-rodded JCM800 to the most extreme gain ever found in a Marshall. The scoop switch on this channel produces the brutal, bone-crushing slam of modern ("Nu") Metal. If this is not enough, as already stated, the AVT100 boasts 16 adjustable, custom-voiced DFX that are controlled by the following 3 controls: DFX Mix, DFX Adjust, and DFX Select.

The supplied 4-way LED footswitch allows you to switch seamlessly between the AVT100's 3 channels and switch the DFX on/off. Other features include Headphone jack for "silent practice," Speaker Emulated Line Out, plus an Effects Loop with level and front panel "Mix" control.

What is AVT
In Marshall's quest to give players the ultimate tone at a realistic price, they have combined the latest innovations in read more valve, solid state, and digital technologies to achieve optimum sonic performance. AVT has evolved from their original, critically acclaimed Marshall Valvestate technology, but is vastly improved so it emulates the tone, feel, and response of their world-renowned, all-valve amplifiers with unerring accuracy√° without using valves in the power stage.

Marshall's long history and experience in the field of valve amplification was utilized in the development of the new AVT power amp. This extremely responsive and warm sounding circuitry was then coupled with the specially voiced, ECC83 (a.k.a 12AX7) valve driven pre-amp section, to provide 100% valve/analog warmth from input to output. Combined with numerous user-friendly features, they believe to have created the best value-for-money range of Marshall amplifiers ever!

Valve Drive Pre-Amp
From the compact AVT20, right up to the thunderous roar of the feature packed, 4-channel AVT150H, each model in their brand new AVT line boasts a pre-amp stage that is driven by an ECC83 Dual Triode valve. Unlike certain other hybrid amps out there, this valve isn't merely acting as a pilot light. Instead it is playing the central role in the gain, distortion, and tone-generating circuitry. They have gone to great lengths to ensure that this precious device delivers maximum sonic benefit at all settings and volume levels. The resulting clean sounds ring with the bell-like harmonics that only a valve pre-amp can deliver and the break-up is never harsh or unnatural sounding. Whenever you select an AVT Overdrive channel, the ECC83 is saturated to its limit, providing dynamics and feel worthy of a place in the Marshall hall of fame.

Power Amp Delivery
The same, unrivalled design expertise that went into the pre-amp was also channeled into the design of the AVT power stage. Using frequency dependent power amp damping and their proprietary, dynamic clip level technology (which emulates the HT supply of a valve power amp), each AVT power stage creates the warm, musical feel and 3-dimensional sounds that made Marshall's all-valve power amps world-renowned.
Also all AVT products will deliver the goods in the often hostile and unpredictable environment of the live performance stage - which is why the AVT power amps of 50 watts and up are fan cooled for optimum reliability.

DFX Onboard
The AVT100, AVT150, AVT150H, and AVT275 all have onboard DFX (Digital Effects). Here the greatest care was taken to ensure that the highest level of signal integrity was maintained at all times. They achieved this by successfully integrating DFX into the tonal topology of AVT without adding any of the nasty-sounding, artificial "grain" often associated with DFX. To make the 16, custom-voiced DFX as controllable and user friendly as possible the relevant models are all supplied with an LED equipped foot controller which allows you to switch the amp's DFX on and off, as well as change channels.

The flexibility of the AVT150, AVT150H, and AVT275 is further enhanced by having 2 DFX sections, 1 for the Clean and Acoustic Simulator channels, and the other for the 2 Overdrive channels.

Extended Response Loudspeakers
Knowing the importance of the relationship between power amplifiers and loudspeakers, Marshall have worked extremely closely with Celestion to develop a range of speakers that will re-define the cutting edge in rock guitar reproduction. These speakers allow the compact, closed back cabinets used in the Valvestate 2000 AVT range to maintain the bottom end delivery normally associated only with a full 4x12 extension cabinet set-up.
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Output (RMS): 100 watts

Impedance: 8 ohms

Speaker: 1 x 12 in.

#Channels: 3

Acoustic Simulator: No

Digital FX Section: Yes

FX Select Switch: Yes

Accutronics Reverb: No

FX Loop: Parallel

FX Level Switch: Yes

FX Mix Controls: Yes

Scoop Switch: x 2

Bright Switch: Yes

Emulated Line Out: Yes

Headphone Jack: Yes

Master Volume: Yes

Presence Control: Yes

Speaker Outputs: 1 (int./ext.)

CD Input: No

Footswitch: PEDL-00030 included

Dimensions: 596 x 515 x 285mm

Weight: 24.2 kg
If you have additional warranty questions, please contact the manufacturer at 800-877-6863
(62 ratings)
Submitted March 26, 2004 by a customer from
Marshall AVT100 Amp Customer Review
Verified Customer zZounds has verified that this reviewer made a purchase from us.
This review has been selected by our experts as particularly helpful.
This is a great amp. if your looking for something solid under $700 this is the way to go. Some complain that it's not an all tube amp but I think it still responds to your playing very nicely. I'd take this over The all tube Peavey classic 50 in a heartbeat.
This thing sounds awesome. The two overdrive channels can sound smooth or raunchy it's up to you. I like blues and metal and this amp covers more than enough ground for both musical styles. you really won't need pedals with this amp because this is what most pedals TRY to sound like. The DFX are very nice for being amp FX. Their not the greatest but they suffice.
The only thing this was missing was an acoustic simulator channel which is on the AVT275 so I guess I shouldn't really complain. the separate EQ's for clean and overdrive channel was nice but it would have been better if they had a separate EQ for each o/d channel. I just set the EQ where I want it and scoop one of the channels. I play a friend's Peavey classic 50 and even being a hybrid this outguns the Peavey. I think using a tube for just the preamp was genius.
i haven't really abused this amp yet but it looks pretty solid. This is my first marshall but from what hear, all Marshalls are pretty rugged. I actually got this 'B' stock but I checked it over and you couldn't tell.
This was a 'B' stock but it was practically new. Even if I'd bought it for the regular price I would have been happy.
Musical Style:
Grunge, Blues, Metal
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