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Marshall ValveState 2000 AVT

Marshall AVT150H

User reviews on Marshall ValveState 2000 AVT products

I use this amp daily!... But It's not a tube. It's a solid state (Marshall - AVT275)

By jarvis_steven, 09/11/2014
Marshall's Avt275 is a "ValveState" amp.
"ValveState" is a cool word for an amp that has a valve pre amp and a solid state power amp.
Basically, it is just a solid state that sorta-kinda-almost-sometimes emulates a tube amp.
It has a clean channel, two overdrive channels, and an acoustic simulator channel. It is equipped with a multitude of built in effects ranging from a couple of reverbs to flange and chorus.
It pushes 75W through each of the 12" speakers and it also has an "Emulated Line Out" that supposedly emulates the sound of the amp if you ever have the need to record it D.I.


The amp sounds great. Period.
My favorite thing about it has definitely been the versatility.

The clean channel is fabulous. It sounds delicious. It captures the tone and dynamic that you are looking for - no matter what you are looking for. From twangy blues to flat clean rhythm, the tone can be found. It is pretty incredible.

Both of the O.D. channels are usable. The first overdrive channel can give more of that old school crunch and classic Marshall Sound. The second O.D. is much heavier and I rarely use it. It can get out of hand very quickly. It easily becomes muddy and silly.
As far as tube-like sound is concerned...
The amp absolutely under performs and will absolutely disappoint you.

The acoustic simulator is a joke. Don't even bother.

I have to give it a 9 in the Utilization category because of the versatility. I have used this amp on Punk records, blues records, indie, and reggae.
It is a solid choice no matter what it is doing.
The idea that it was supposed to be a decent substitute for a tube amp is ludicrous. Luckily, I bought it when I was so young that I didn't know the difference and therefore had no prejudice towards the claim.

If you want a tube amp then just get a tube amp.


I primarily play a Schecter Diamond series.
It has a pick up and a humbucker, both are Duncan. It is a fantastic guitar but it has been through hell.
The plates for the control knobs are noisy and useless because of my need to quickly repair it with a sauntering iron.
It doesn't make sounds unless all of the knobs are all the way up.
Hence my surprise at the AVT275's versatility.

The Clean channel is perfect.
O.D. 1 is good.
O.D. 2 is usually silly.
The Acoustic simulator is useless.
The built in effects are actually O.K. but you will have to dial them in to the point of questioning whether or not any of them are really worth the time or effort.

I did a review on this amp a while back and I spent a whole lot of time talking about the "Emulated Line-Out" that is on the back of the head.
All that you really need to know about it is that you should just be miking the cab. It is basically just another headphone output and it sounds nothing like it claims.
Without the twin Celestion speakers to shape the sound, everything falls apart.

Again, being able to control the sound as much as you can with this amp(without using stupid effects), is truly fantastic.
But, all of the cool toys and gizmos and gadgets basically add up to nothing more than a waste of space.

It sounds great. Just remember that it is an amp- not an effects station.


-Extremely versatile
-Can take a beating like a Marshall should(and probably will)
-BEAUTIFUL clean channel
-I noticed that it was one of the amps on stage at the end of School of Rock
Check it out:

Right behind the guy with the Flying V.

-Silly toys and effects
-Acoustic simulator is just nonsense
-Sounds almost nothing like a tube amp
-Unusually heavy for it's size

As far as the price goes, you should definitely buy it used so that you have a chance at a reasonable deal. I am not sure whether they even make these anymore so it might be your only option.
I see one on Ebay for $500.
Considering the Clean channel and the versatility and the power(yes, it's frickin' loud), that is a reasonable price.

I use this amp every single day.

Flexible and quality sounding amp (Marshall - AVT150)

By S2D, 02/09/2014
The Marshall AVT150 amp utilises 'Advanced Valvestate Technology' which basically means it's a combination of a valve/tube amp and a solid state amp. It delivers 150watts of power and has connections for an external footswitch, 2 external speaker inputs, a line in and an FX send and return insert section. In terms of controls, effects and settings, this amp head gives you plenty boosting 2 rows of 12 knobs controlling 4 different channels which are selectable via the footswitch. These range from the usual bass, middle and treble through to DFX mix and adjust for the digital effects section. The 4 different channels to choose from are Acoustic Simulator, Clean, Overdrive 1 and overdrive 2, these are also available on the footswitch as well as are 2 buttons to switch the FX section for Acoustic simulator/Clean on and FX section on/off for Overdrive1/overdrive 2. Along the top row of knobs/controls are the OD1 and OD2 section which are controlled by the same EQ knobs. (bass, middle, treble) and along the bottom row of knobs/controls is the acoustic simulator/clean channels which is controlled by the same (but separate from OD1 and OD2) EQ knobs.


The manual is very detailed but not overwhelming for this amplifier. Marshall know guitarists as good as anybody having been created amps for legends such as Jimi Hendrix, Pete Townsend and Slash, so they know how to put a decent manual together without making things difficult to figure out like some other companies do from time to time. It clearly explains how to set up the amp for any situation, using the FX send and return section, adding additional cabinets, how each channel works and about the built in digital effects section. It is very easy to get a good sound from this amp in fact it's harder to get a bad sound from the amp in all honesty, the manual even explains the inspiration for each channel and some recommended settings to dial in to achieve certain tones from famous bands/guitarists.


This Marshall can produce a really good tone, especially the overdrive/distortion 1 and 2 channels. The acoustic simulator is very impressive, the only thing i have heard that beats it is the Boss acoustic simulator pedal but the avt150's is very close indeed, especially convincing on single coil pickups on guitars like the Fender Stratocaster, plus there are controls for the 'top end' and 'body' so you can dial in your perfect setting for the Acoustic simulator. The clean channel in my opinion doesn't quite live up to the other channels, it is still perfectly usable but i've found on Les Paul and Gibson guitars it can sound quite muddy and not cut through the mix well live, however if combined with certain effects such as the chorus effect then it can be more flexible, but a better option for a clean sound from this amp would be to use the overdrive 1 channel and have a very low setting on your guitar's volume pot as in 1 or 2.

Moving onto the Overdrive channels, OD1 is more of an 'old school' crunchy type of distortion with more of a high mid range bite to it. Very flexible when used in combination with your guitars volume and pickup selectors. You will achieve a nice smooth bluesy tone with the neck pick up, and a driving rock sound from the bridge pick up as you might expect. On the gain control, as a rough guide - a quarter will give you a jangly indie rock tone, half way will give you AC/DC, about 3/4 of gain will give you Guns N Roses and up full will present you with a 'Ride the Lightning' style Metallica sound as described in the manual preset, and to go along with this you will need to press the 'scoop' button in which takes out the mids of the tone leaving you with more bass and treble and an overall aggressive sound that actually reminds me more of the 'And Justice for All' album guitar sound also by Metallica.

The OD2 channel was designed with modern metal in mind, mostly aimed at the Nu-Metal crowd of the early 2000's, and when combined with the scoop switch button (separate from the OD1 channel scoop switch) can produce heavy and brutal sounding results that suggest Slipknot, Korn, Hatebreed and nowadays Slayer. Although with that said it is definitely not pigeon-holed in that genre, having the scoop switch unpressed and the gain set at a nice halfway-3/4 point will give you a great solo tone that has a dominating, thick mid range punch that can bully it's way through the mix to shine through. This setting on a dual humbucker guitar always reminds me of the guitar solo in Crazy Train by Randy Rhodes. When combined with the footswitch and the OD1 channel, you can use this to great effect when playing live, dial the OD1 for crunchy rhythm and then set the OD2 to have more gain and volume to switch to for blistering lead parts or even a louder 'Chorus' distortion setting is a lot less hassle than having a load of pedals with power adaptors and cables etc on the floor to have to switch to.

The digital FX section is a highlight of this amp, and it is utilised very well with no 'cheap' sounds to be found anywhere. It has a lot of different reverb settings to choose from such as hall, room, gated and plate, which can all be tweaked with using the 'adjust control' and then subtly or not-so-subtly blended in with the dry signal using the DFX mix control knob. This method can be used for the other FX such as chorus, flanger, modulation, and delay. Set right, the flanger can be very effective for a 'Hotel California' type effect, the delay also sounds great and is a personal favourite for the overdrive channels along with chorus on the clean channels. The FX do not have the same degree of options as say a dedicated pedal would do, but you would need a spend a great deal on each pedal to get the same basic quality as the FX on this Marshall, a fantastic addition and big selling point for this amp.


To sum up, The Marshall AVT150 amp head and AVT150A cabinet are a great combination of quality, flexibility and value for money. The tone is very good, although a true Marshall valve amp will better it in this sense but at more of a cost and with much less built-in digital effects. Compare to other manufacturers take on the same type of amp with built in effects such as Crate etc, the Marshall AVT150 wins hands down. So if you have the cash and a large guitar pedal board already and need the best Marshall valve/tube sound possible then i would probably recommend you look at some of Marshall's more expensive 'All valve' offerings. However, if you can live with a valve pre-amp and flexibility for playing live and budget are part of the equation when choosing your next amp, then i would strongly recommend you look no further and definitely try this out.

a holy crap! (Marshall - AVT150)

By -Livingroom-, 16/01/2014
Hybrid amp (preamp lamp certainly not top more amplification transistor) 150 watts (less powerful than my ex mg 100 dfx which showed 100w), two channels (4 possibility of sound), applicable to all digital effects, and an effects loop and an output emulated hp. On paper it looks really good.


Unfortunately it stops there. If I later learned that fewer buttons amp, the better it sounds, at the time I had, I did not know. I just thought I had an upgrade of my MG100DFX. Is not easily get a good sound, it is already getting used to the gas plant we have in front of you.


No it not fit much in style type of music: The clean is slamming but lifeless, the acoustic simulation is rotten (but not really sounds like an acoustic anything even remotely limit is closer! a trumpet ..), and distos are still very mush. The effects on them are digital in the wrong meaning. Short given the price and the promise of sale is inadequate. After there is always a sound, but what's ... Better unplug the amp! Not to mention that we have a real pedal to control the gas plant, if it brings its own pedals and more, you risk getting an ankle! And the famous pedal is fragile inside ... So do not obtain!


I kept a year ... Before giving it to a friend who began. I love ... not much. Her look can be. I do not like what I've said above. Yet God knows I love marshall and in general I am forgiven, but this is really a bad series (and even after one of my colleagues the 150w is the most convincing ... damn ... )

The value for money is excessive, and even beginners I do not recommend it!

Decent combo amp (Marshall - AVT50)

By mooseherman, 01/09/2011
This amplifier is a combo amp made by Marshall. It's part of Marshall's Valvestate series, which means that it's supposed to sound like a tube amp but use solid-state technology. This is a common feature that has been happening from the early 90s onwards, and it's infiltrated most amp manufacturers since it helps cut costs.
The amp has a 1/4" input, as well as a CD input and a headphone output. The CD input allows you to play along to a CD or similar device to learn songs, which would indicate that this is very much a beginners' amp. The amp is 50 watts and has two channels, clean and overdrive, and reverb.


The controls for this amp include a gain, volume, and two-band eq for the clean channel. Also, there is a gain, volume, and three-band EQ for the overdrive channel. There is one reverb knob which controls the reverb for both channels.
Getting a good sound out of this amp takes a minute, assuming you like solid-state like tones. The manual explains everything with this amp pretty clearly, though it doesn't really get into detail about how to get the best sound.


I don't really think this is one of Marshall's better amps. To be honest, both channels on this amp are lacking. The claim of this amp emulating tube tone is a pretty weak one, to be honest. The clean channel is way too pure to be considered tube. That doesn't mean it's a horrible tone, but it isn't one that I prefer at all. The overdrive channel is honestly not "rock" enough for me. I find it to be overly heavy. With a guitar that has humbuckers, and is suitable for rocking out, you can get some really heavy, almost metal, sounds with it. That makes it good for any metal lovers or even 80s hard rock fans. However, I don't find the EQs to be that great, and the sound is really not that great for anything but the aforementioned genres. Also, the reverb isn't that great either.


This amp really isn't anything special. The price is the only thing about it that is good, which makes sense considering it's not that great overall. The sound isn't the best I've heard from Marshall. For beginners, and guys who need a decent practice amp for metal, this might work, but everybody else could do better.

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