Marshall DSL40C 40/20-watt 1x12" Tube Combo Amp

40/20-watt 2-channel All-tube 1x12" Guitar Combo Amp with Digital Reverb, Effects Loop, and Pentode/Triode Switching - Black
Marshall DSL40C 40/20-watt 1x12
Marshall DSL40C 40/20-watt 1x12
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Marshall DSL40C 40/20-watt 1x12" Tube Combo Amp
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Marshall's Legendary DSL Is Back in Action

The Marshall DSL40C 40-watt guitar combo amp gives you the definitive essence of British tubularity. Reigning supreme for a decade, the DSL series enjoyed worldwide acclaim. So, with a nod to pent-up player demand, Marshall presents their new, all-tube DSL series. Amazingly affordable, the DSL40C combo fortifies your tone arsenal with impressive power and the tastiest tonal qualities and features of both modern and vintage Marshalls - in one highly tweakable and portable package. From glassy cleans to bone-rattling crunch to blistering high gain, your wish is the Marshall DSL40C's command.

Marshall DSL40C 40-watt All-tube Guitar Combo Amp at a Glance:
  • The DSL series - a revered tonal heritage
  • A 40-watt tone beast
  • Two channels and all the trimmings
The DSL series - a revered tonal heritage

The Marshall DSL40C hails from a revered lineage. Marshall introduced the JCM2000 Dual Super Lead (DSL) series amps in 1997. Right from the beginning, these all-tube monsters enjoyed enthusiastic approval by guitarists and the press alike, forming the backlines of top acts in all musical genres and bludgeoning audiences worldwide for a decade before being replaced by Marshall's JVM series (a musical powerhouse in its own right). Considered the go-to rock amp by many tone-savvy guitarists, there is considerable pent-up demand for Dual Super Leads. Marshall hears you and is proud to introduce the new-and-improved DSL series.

A 40-watt tone beast

Marshall's DSL40C is an all-tube, twin-channel workhorse capable of conjuring any classic Marshall sound - past or present. Four ECC83s in the preamp section (in concert with the amp's gain/master volume arrangement) give you stunning tone-shaping mojo, and with two EL34s in the engine room, you have the volume to rule any club in the world. Sporting the same tubes (minus two EL34s) and feature set as the original DSL100, Marshall has gone on to fit this little beast with critical upgrades that give you even more control over your sound. A Resonance control (as opposed to the original's fixed deep switch) lets you dial in your preferred amount of low-end girth. You also get studio-grade digital reverb (instead of spring), a rear-panel Pentode/Triode switch that drops the amp's power to a studio-friendly 20 watts, and a bypassable rear-panel series effects loop. Marshall has even included a 2-way footswitch for channel switching and reverb on/off.

Two channels and all the trimmings

The Marshall DSL40C sports two footswitchable channels: Classic Gain and Ultra Gain. Each channel boasts two modes: Clean/Crunch and Lead 1/Lead 2, respectively. With the DSL40C, you can go from glassy Plexi-esque cleans to JCM800-style snarl, hot-mod 2203, face-melting high gain - and everything in between. To shape all this delectable Marshall tone, you get flexible, shared 5-way EQ (treble, middle, bass, resonance, and presence) juiced with the thoughtful inclusion of a Tone Shift button - ideal for scooped modern metal mojo. The DSL40C is ready to rock. Are you?

Marshall DSL40C 40-watt All-tube Guitar Combo Amp Features:
  • This combo is capable of conjuring any classic Marshall sound - past or present
  • 2 channels (Classic Gain and Ultra Gain)
  • Each channel boasts 2 modes: Clean/Crunch and Lead 1/Lead 2, respectively
  • Highly effective Resonance control replaces the original's fixed deep switch
  • Tone Shift button gives you incredible tonal flexibility
  • Studio-grade digital reverb
  • Rear-panel Pentode/Triode switch drops the amp's output to a studio-friendly 20 watts
  • Bypassable rear-panel series effects loop
  • 12" custom-voiced Celestion 70/80 speaker
  • Included 2-way footswitch for channel switching and reverb on/off
Ready to rock? Rock like a pro with the Marshall DSL40C!

Additional Media

DSL100H and DSL40C Tube Head User Manual
Guitar Amp Buying Guide
Marshall Announces New DSL Series — and We Have Them in Stock!

Tech Specs

Type Tube
Number of Channels 2
Total Power 40W/20W
Speaker Size 1 x 12"
Reverb Yes (Digital)
EQ 5-band (Resonance, Presence)
Preamp Tubes 4 x ECC83
Power Tubes 2 x EL34
Inputs 1 x TS
Footswitch I/O Yes (Footswitch Included)
Effects Loop Yes
Height 19.29"
Width 24.45"
Depth 9.92"
Weight 50.48 lbs.
Manufacturer Part Number M-DSL40C-U

Customer Reviews

Based on 70 reviews
Write your review

Couldn't be happier

This amp is really great, the Marshall sound and its affordability makes it an 11 in my book. I must also say my Sweetwater rep, Ashton was just as awesome, thanks Sweetwater you've again came through with a great product at a great price with great customer serbice.
Music background: Guitar

Excellent Tone!!!

I don't think I have ever written a review before but this amplifier justifies the effort. I have been playing for over thirty years... been through literally dozens of amplifiers of all stripes; Mesa, Fender, Peavey. Additionally I don't think I am one of those guys that can talk about "my" tone...I will reserve that for folks who sell millions of albums. But for a working class/journeyman guitarist like myself a few things are critical; #1-build quality (you want your hard earned dollars to hang around for years if possible), #2 ease of use -especially on the gig, #3 responsiveness from your guitar, #4 truly good tone that keeps you focused on playing versus thinking about your equipment. This amp has all these qualities in spades! I have a few effects between my guitar ( a 2004 Gibson Custom 195 7Les Paul Goldtop Reissue ) and the Dsl40c--but for the first time in my life I don't want any!!! the TONE of this amp is just that GREAT. Very repsonsive to changes in Volume and Tone from my Les Paul; more than one overdrive voice --the clean channel stays clean at volumes to compete with a loud drummer. I really can't say enough. Hands down the best overall playing experience I have had with an amp since I started playng live. The amp just seems to breathe. The tone is woody with just enough hair on the drive channel---and when I go from say 4 to 5 on my volume control on my Paul to full on 10, there seems to be just enough umpff to get over the drummer for solos. Then I'll just back it back down for dirty rhythm parts; yes you can actually hear the amp clean up a little on quieter volume settings. Plus, Excellent customer service from my Sweetwater rep Tony Dayton! My advice, for what thats worth, let Tony or one of the other awesome folks at Sweetwater help you choose a great guitar then take the DSL40c for spin BEFORE you buy anything else. It might serve to keep the G.A.S. away!!!
Music background: guitarist, vocalist, songwriter, interpid recording novice, overall gear monkey

Marshall Tone - from classic to modern

I put off getting this amp for a quite a long time. I was worried about it being made in Vietnam and was the quality up to par. After months of reading and watching reviews, I decided to go for it. I AM SO GLAD I DID. This amp is well built and solid but most importantly.....IT SOUNDS GREAT. Classic Marshall all the way. My favorite Marshall tones are from Jimmy Page to Gary Moore and this baby gets me there and beyond in a reasonably sized and weighted combo. It is a bit big and heavy but way better than lugging around a head and cab. Some people do not really like the stock Celestion 70 / 80 speaker, claiming it is bright and raspy. I was expecting that I would have to replace it but after spending some time with the amp I really like it just as it is. With the treble and presence right around half the amp is just what I want from a Marshall. I AM SO GLAD I GOT THIS AMP. Did I say that already?
Music background: Guitar fanatic and songwriter

Marshall ROCKS!!

Came in one day late due to snow in Memphis, but got here the next day. Came in with new Les Paul Traditional, at the lowest price on the 'net, and when I hooked it up, watch out! This is what a Marshall amp is supposed to sound like. Simply amazing. Thanks to Aric and the staff at Sweetwater.
Music background: My hobby

Marshall DSL40C

Awesome amp for the price, this one does it all. My thanks to my customer service rep "AJ", super helpful as always!
Music background: Perennial guitar student for 50 yrs.

Sweetwater Advice

Ashton Vaudt

As a guitarist in both a rock band and a blues band, when the DSL40C is behind me, the least of my worries is my amp tone. Four different channel modes gives me everything from a great clean sound to that classic Marshall crunch, so I can focus on playing, rather than turning knobs or relying on pedals to reel in the tone I want.
See also: Combo Amps, Marshall, Marshall Guitar Combo Amps