Marshall 4001 Studio 15 [1985-1992]
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Marshall 4001 Studio 15 [1985-1992]

4001 Studio 15 [1985-1992], Tube Combo Guitar Amp from Marshall in the JCM800 series.

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All user reviews for the Marshall 4001 Studio 15 [1985-1992]

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Average Score:4.9( 4.9/5 based on 7 reviews )
 6 reviews86 %
 1 user review14 %
Audience: Anyone Value For Money : Excellent
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flossman03/06/2015

flossman's review"Brilliant"

Marshall 4001 Studio 15 [1985-1992]
I'm primarily a rock and blues guitarist, and my co-guitarist and I maintain what you'd call a "roving line of trade credit," but I ended up trading him about $600 worth of gear for it (don't worry, he knew the amp's value!) and I can say, quite literally, this is the amp I'll shuffle off this mortal coil with.

I usually play a '63 Strat through it, but I also use a telecaster and an SG, and it makes everything sound amazing. The mid control is really the key to this amp. I've kept the bass at 10 for 5 years now because, well, it's a Marshall, but I always fiddle with the treble and mids. Want a clean tone? Put the mids around 2, the treble to taste, and crank the gain. Want a Vox tone? Mid around 6, treble to taste (for me it's around 6), and the gain at 4 or 5. Full-on Marshall your style? Crank everything to 10. Even that sounds amazing.

I realize I'm gushing about this amp like I built the thing, but I spent almost 2 decades chasing a tone like this. No matter your style, if you find this amp and can afford it GET IT! You won't regret a single note.
JessB06/04/2013

JessB's review"A pocket JCM800"

Marshall 4001 Studio 15 [1985-1992]
Single-channel 15W amp
Tubes: 2 x 6V6GT for the power stage and 2 x ECC83 /12AX7 for the preamp.
Speaker: Marshall Celestion Vintage 30 (12 inches) 60W / 8Ohms, specially developed for this combo.
Gain, treble, middle, bass, output level controls.
Switches: standby/power
1w and 2w modes
Balanced direct XLR output

USE

The amp is easy to use, you get a good sound right away. The middle control is somewhat special since it allows you to change the amp's tone.

SOUND

This amp has a very nice clean sound and a JCM800-like distortion, even if the distortion is a bit less "brutal" than that of its 50w and 100w siblings.
You can get lots of different crunch sounds, despite the few controls available.
An amp conceived for rock, blues, punk, hard rock.

OVERALL OPINION

I switched from a 100W JCM800 to this amp a year ago and I don't regret it, because like every good tube amp you really need to crank up the volume, at least to 12 o'clock, to get a pure sound (which was impossible with the 100w). This combo can really be driven.
This amp is more than enough to play in a pub, unless you only play clean sounds (it crunches as soon as you drive it). Personally, I'm not a fan of the attenuator, which chokes sound a bit, I prefer to increase the gain and lower the volume.
Is it the ideal amp? Yes, in 95% of the cases, I only miss my big JCM800 in large venues (but I don't play such venues frequently), because the projection of a X4 cab is in a whole different league.
Anyway, I intend to keep this amp, it follows me everywhere;-)
iamqman07/11/2011

iamqman's review"Rock history"

Marshall 4001 Studio 15 [1985-1992]
One of the most highly sought after Marshall in history. This amp was a modern marvel at the time. It had features that Marshall guys put in it that put it above anything they have ever done at the time. This thing was a tone monster and the features were out of this world. Today you can still find them in the classifieds and online but you'll pay a lot of money for a 15 watt combo. These amps sounded more like Vox amps then they did a Marshall. Most likely because they used 6v6 power tubes instead of El34 or 6l6's. This was the first and only amp from the fellas at Marshall to feature these tubes.

UTILIZATION

# 15 watts, all tube. 2 6V6 power tubes. The first and only Marshall to use 6V6's.
# Built-in attenuator: 25 watt, 10 ohm, wire-wound power resistor. The "speaker emulator" [one user's term] is "nice for headphone use or for recording use". The first and only Marshall amp to include a built-in attenuator.
# Balanced direct XLR Out - the only guitar amp in the brochure to have this.
# Headphone jack on the back. The first valve amp that had a headphone jack.
# To use the attenuator, you unplug the cable of the built-in speaker from the Speaker Out jack, and plug it into the Headphone Out jack instead.
# Made 1986-1992.
# Controls on the front: From left to right: Input / Gain / Treble / Middle/ Bass / Output Level / Standby / Power.
# Controls on the back: Left to right: Power cable connector / Fuse / Balanced Direct Out (Floating Ground) / Speaker Out 8 ohm (disconnect speaker jack for muted or h'phone use) / Headphone Out / Line Out (unbalanced).
# 1x12 combo.
# 1 channel.
# 12" Celestion Vintage 30 speaker - the first Marshall amp to use this speaker.
# DC preamp tube filaments to minimize hum and noise.

SOUNDS

The tone is fairly Marshal-esque. The ton sounds more like a Vox Ac15 than anything else. The distortion is mild and not as hotrodded as other amps they have done. It has a good breakup but the voicing sounds more of a milder Marshall instead of the angry distortion we have come to know from Marshall.

Like all Marshall's Gibson Les Paul's work best in my opinion. I just prefer this tone of a Les Paul over anything else when dealing with a Marshall amp. I also like a Charvel or a Superstrat of some kind to get that alder body wood tone and still have some beefy humbucker pickups installed.

OVERALL OPINION

These amps have been discontinued in the early 90's. You can find them on evilbay for about $850. That is a bit high for what you would think the used price for an amp like this. I think it is the 6v6 power tubes and the built in attenuator than make this amp unique and more of a collector's piece.
91frusciante12/19/2010

91frusciante's review"The best in its category"

Marshall 4001 Studio 15 [1985-1992]
All-tube amp. 2 6v6.
One 15-watt output, one 1-watt output for headphones and one 2-watt output for recording.
1 gain, 1 treble, 1 medium, 1 bass, and 1 volume control, all very effective.
I jack input.
1 channel.
1 greenback.
Simple but effective.

USE

It couldn't be easier to use.
You plug in and it sounds.
The attenuated outputs are very practical to drive the amp.
User's manual?
What user's manual?

SOUND

It's perfect for the music I play: From blues to Van Halen.
Clean, you can get very nice sounds like the Red Hot Chili Peppers on bssm, or Hendrix on Bold as love.
Distorted, it goes from a light bluesy crunch to fat Slash-like distortions and even more with a boost.
I play strat and tele.
I like everything about this amp.

Edit: I just added a 2*12 to it: It rocks.
It's equipped with a v30. You gain a lot in terms of depth, precision, in foundation in the lows and, unlike what I used to think, the speakers don't sound stiff at all, once you've broken them in.
Everything is fine.

OVERALL OPINION

I've had it for some days and I'm thrilled!!
It's a very good value for money.
I tried lots of amps, from vox to mesa, but this one is the one that convinced me.
As I already said, I like everything about it, especially the speaker, which is excellent.
With hindsight, I would surely buy it again, unless I found a jcm800.
lolotte211/24/2010

lolotte2's review"A little-known great amp"

Marshall 4001 Studio 15 [1985-1992]
Two 12AX7 and two 6L6. Simple, good, sturdy. 15W, no effects, only a very effective EQ, one single channel. One Gain and one Master control, plus a power attenuator.

USE

No need for a user's manual. It's easy to use and sounds fine right away. The 3-band EQ gives you infinite possibilities, I'm still discovering some of them after two years of use. Good point: The mids control that acts as a boost and the attenuator on the rear of the amp, which allows you to reduce the power to 2 watts.

SOUND

You can pay anything with it (except thrash metal, but it's not meant for that anyway).
I play this amp with some Strats or Gibson Les Pauls. Whatever you do, it sounds fine.

OVERALL OPINION

Two years now and I still don't plan to get rid of it. I have played a lot of good amps, but this small amp blows away anything else with a comparable output power.
Only 500 copies were made (it must have been pretty expensive back then).
Unmatched value for money. I'm a fan.
Boxtyman04/19/2013

Boxtyman's review (This content has been automatically translated from French)

Marshall 4001 Studio 15 [1985-1992]
Lamps. No reverb, just the sound.

UTILIZATION

One branch, we play but there are subtleties to discover

SOUNDS

All that is music because this amp responds to SISO (shit shit out in English)

OVERALL OPINION

This is my amp head! Small but heavy, but 15W FORT if necessary. I am glad to buy the 80 GB in Chandler's. Its mid-mid-Fender Marshall, more or less according to the settings. I should change the lights but I hesitate because I do not want to lose the sound. Someone did and what brand.? 500 in the world and one in Brittany!!
bleizh10/03/2006

bleizh's review (This content has been automatically translated from French)

Marshall 4001 Studio 15 [1985-1992]
Made of 500 in the second half of the 80's, all-tube 15W combo with integrated fixed attenuator 1 or 2W to plug the speaker into the headphone jack to play at night.

Made in '89, 4 knobs (gain, treble, mid (in fact acting as a second "gain", a feature of the model), bass, master volume), line-out jack and XLR. A single channel.

The only fitted with two 6L6 Marshall home. Two 12AX7.

UTILIZATION

Great and small ribs for all situations.

SOUNDS

With 15W output and a real little monster, aimed at the studio at the base but is very, very strong and sends plenty to play for a big fat public. The clean is very clean (thanks to 6L6), and saturation is identical with very little close to a JCM 800 (series to which it belongs). It really can play everything with, without going into the extreme metal of course. From blues to very large rock / hardcore / punk etc..

With the release attenuated (1 to 2W) through the connection of the speaker on the headphone jack, there is still plenty of volume when everything is cranked to play in a bar. Can play at a very low volume but keeping all the heat lamps. The rendering is simply excellent.

OVERALL OPINION

Despite the single channel, I can still discover new sounds after three years of play, thanks to 6L6 I think. I do not know how they managed at Marshall, but it's a monster multi-level sounds available.