Mesa/Boogie Mark Five:25 - 25/10-watt Tube Head - Black with Black Face

2-channel All-tube 10W/25W Amplifier Head with Built-in Cabclone Internal Amp Load and Speaker Emulation
Mesa/Boogie Mark Five:25 - 25/10-watt Tube Head - Black with Black Face image 1
Mesa/Boogie Mark Five:25 - 25/10-watt Tube Head - Black with Black Face image 1

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Mesa/Boogie Mark Five:25 - 25/10-watt Tube Head - Black with Black Face
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The Best of Mesa's Preamp Technology

Sporting two fully independent channels with six style modes, the Mesa/Boogie Mark Five: 25 tube amp head gives you legendary Mark Series preamp tone combined with Mesa's proprietary Dyna-Watt 2 x EL84 output section. This Mark Series amp gives you maximum portability and responsiveness. Dial in everything from sweet cleans to roaring leads with extra midrange crunch and aggression when you push the EL84 power tubes hard. Factor in the built-in Cabclone speaker-emulated direct output, and you have an amazing gigging and recording amp with the Mesa/Boogie Mark Five: 25 tube amplifier.

Mesa/Boogie Mark Five: 25 Tube Amplifier Head at a Glance:
  • Channel one takes you from clean to crunch
  • Channel two brings you legendary Mesa lead tone
  • Built-in Cabclone - achieve awesome tone without a speaker cab
Channel one takes you from clean to crunch

The Mark Five: 25's first channel is a rhythm player's sonic playground with clean, fat, and crunch modes serving up an amazingly wide range of tone. Use the Multi-Watt power switch to flip between 10-watt mode for more breakup at lower volumes or 25-watt mode for more headroom and a different playing response. The powerful mid-boost control is all you need to push your tone to the front of any mix.

Channel two brings you legendary Mesa lead tone

Three switchable styles give the Mark Five: 25 everything you need for epic lead tones. Choose from Mark IIC+, Mark IV, and Xtreme modes for three distinct flavors of sonic aggression with switchable 10-watt/25-watt operation for adjustable response and power amp breakup. From smooth and liquid to roaring and edgy, the Mark Five: 25's lead channel gives you more sonic flexibility than most 2-channel amps provide in total.

Built-in Cabclone - achieve awesome tone without a speaker cab

The Mark Five: 25 packs an indispensable tool for gigging guitarists and an outstanding studio tool, too: a built-in Cabclone internal amp load and speaker simulator. It provides an incredibly realistic speaker-emulated direct output to plug right into the sound system or recording chain. You can still use it in conjunction with your favorite speaker cab, but gigging guitarists at Sweetwater also know what it's like lugging a speaker cab along with the rest of your guitar rig. Ditch the speaker cab and just roll up to the gig with only your Mark Five: 25 and your guitar! You'll be cutting down on stage volume, too, which will help give your band a tighter live sound.

Mesa/Boogie Mark Five: 25 Tube Amplifier Head Features:
  • 2-channel, 10-/25-watt tube amplifier head
  • Gives you the same legendary preamp tone as Mesa's Mark V, Mark IV, and Mark IIC+ preamplifiers
  • 2 channels with 6 total style modes give you an amazingly wide range of tone to explore
  • Built-in Cabclone speaker simulator and internal load box give you awesome direct tone
  • Ultra-rugged design with all-aluminum chassis
  • All-tube spring reverb can be applied to each channel independently
  • 2-button footswitch (channel 1, channel 2, and EQ) and slipcover included
  • Important Notice for International Customers: Mesa/Boogie products sold by Sweetwater are intended for use within the United States. We are unable to ship any Mesa/Boogie products outside of the US.
You'll want your Mesa/Boogie Mark Five: 25 at every gig!

Additional Media

Guitar Amp Buying Guide
Mesa/Boogie Mark Five : 25 Tube Amplifier Demo by Sweetwater
Mesa/Boogie Mark Five:25
Mesa's Mini Mark V!

Tech Specs

Type Tube
Number of Channels 2
Total Power 10W/25W
Reverb Yes
EQ 5-band
Preamp Tubes 6 x 12AX7
Power Tubes 2 x EL84
Inputs 2 x 1/4"
Outputs 1 x XLR, 1 x 1/4" (Headphones), 3 x 1/4" (Speaker)
Effects Loop Yes
Footswitch I/O Yes
Height 8"
Width 14"
Depth 8.75"
Weight 16.5 lbs.
Manufacturer Part Number 2.MM.BB

Customer Reviews

Based on 49 reviews
Write your review

Mesa Boogie Mark Five:25

All these reviews aren't lying. I'm running this head through a Mesa 1x12 widebody closed back cabinet. I own a PRS Custom 22, Gibson LP Standard and a Fender EJ Strat. You can make them all sound great through this amp. Once you understand how the controls work together, it's easy to find the tone you're looking for. Clean or dirty, it's just perfect.Sounds great at low volumes as well. I can't say enough about this amp. If you're looking for a 25 watt amp and you've got the pesos for this amp, buy it.

One of Mesa's Best

I've had the pleasure of owning this gem for the last two months now and I couldn't possibly think of any other amp that could replace it. It was purchased along with a Mesa Boogie vertical 2x12 so I could have the matching "1/8 stack". First off, the versatility in respect to how you can run this amp is a pure joy. I can run it into my speaker cab all by itself or run an XLR cable from the built in cab clone to my PA if I need a little extra volume (unnecessary so far) or want to run a wet/dry/wet stereo rig. On nights where I want to practice late but don't want to wake the kids I can run it into my studio monitors and with a slight tweak it sounds just like the guitar tone on any Metallica album. I have owned several other Mesa Boogie amps including a Mark IV, Triaxis/2:90, and a Roadster. The Mark V:25 has an incredibly musical mid range and feel to the strings that no other amp I've owned has come close to having. I don't know if it's the amp's circuit or the EL84's but there is something very special about this amp and I will say with all honesty that I've never been so satisfied with a gear purchase more than I have with this little amp. The service I received at Sweetwater was absolutely wonderful and I really felt their appreciation of me as a customer. All around great experience.
Music background: Semi-Pro


I have had the Mark 5:25 for 4 months now. I am blown away by it. I have been a die hard classic Fender man until this Tone monster came on the market. I sold my 40 yr old Princeton to buy it and do not regret that decision at all. The cleans are as good or better than that of the Princeton and reverb sounds angelic.My favorite mode on the clean side is the "Fat" setting and it sounds just that. The bridge pickup on my p90 equipped Les Paul sounds more like the neck pickup as it fattens up the tone and adds to the low end of the sound greatly. The neck pickup sounds beautiful as well and sounds bigger and beefier still.The Crunch setting on the Clean channel is real good for hard rockin classic rock or at high gain settings classic metal(Maiden,Sabbath,etc.)Channel 2 is where I live most of the time when playing. The Mark IIc+ mode is the most versatile IMO .It goes from a nice smooth Overdrive all the way to Classic Metallica with the twist of the gain knob and switching in the 5 band EQ just makes it that much better. JUICY would be the way I would describe the structure of the tone. Even at Apartment volume it sustains for days.I run a Moog Analog Delay and an Eventide Space through the loop and it sounds simply amazing.I started with running in to an open back cab I had around the house. I have since gotten a matching Mini-Rectifier Cabinet and It tightens up the low end a lot and just makes it sound even meaner than it already did. I have also run a tube power amp I had kicking around out of the second channel of the Space which in fact gives me 2 channels of Boogie preamp goodness and an *** kicking stereo mini rig. All in all I dont regret selling my classic Fender to buy it and This new Boogie will probably be the last guitar amp I should ever need or want. It does it all I must also add that this amp is LOUD!!!
Music background: serious hobbyist for 17 yrs.

Still Chasing Tones!!

This is my first Mesa Boogie. This is my first expensive tube head. I have been a buyer of older used mis, with great clean headroom, able to take pedals, and this is how I shaped my tone. For the past several years, I have been playing live, in small to medium venues. One thing I noticed happening was sound personnel requesting less and less stage volume, which does not lend to the rich driven tone of any 100 watt tube amp. As a result, my tone was becoming inconsistent from gig to gig. Mesa Boogie's Mark 5/25 answers this issue, with great tone and rich tube warmth that can be driven fully onstage and off. A few people suggested I might not get the volume I needed at rehearsal and live situations, and I disagree. Although I am currently on a live performing hiatus, this amp is super loud! Easily loud enough to push a heavy drummer and second guitarist. Recording; I have been using the direct feature with decent results. Although the tone is far better when mic'ed into my V30 driven 4/12 Marshall cab, a little EQ makes a huge difference, and takes the direct route to interesting levels and possibilities. To my ear, 10 watts seem a little more spongy direct than the 25 watt mode, while running through a 4/12 cabinet, 10 watts sound killer! I am still chasing tone, tweaking settings, and perfecting a sound that will undoubtedly be incredible. Having the ability to basically use 6 modes of shaping possibilities is fantastic! I have fallen in love with the Channel one dirt tone-even more than the Mark 2C+ channel! All in all, this amp was a great investment in quality, tone, shaping, and value for a hand wired basically custom amplifier made in the USA. Sweetwater Reps were great, they called to make sure my amp made it, made sure i was satisfied, and shipped the amp as securely as anything i have ever seen. i have had orders filled from different online music stores, and I have to say, Sweetwater take the care to make sure you get what you are selling out your hard earned money, and receive the finest customer service of any online dealers. five stars Allen Dean

Mesa Boogie

I've owned lots of equipment over the years but by far the Mesa Boogie Five 25 and two 12 cabinet is the best. I don't have to turn any pedals on the sound is right there. Thanks Anthony L. for pointing me in this direction. Thanks to Sweetwater for their support.
Music background: Did the club scene for many years, looking again.

Sweetwater Advice

Nate Baker

When I needed an amp powerful enough to cut over drums but portable enough I could take it anywhere, I grabbed a Mesa/Boogie Mark Five:25 head. Over many years, I've played a wide range of genres both live and in the studio, and I've always been able to count on my Mark Five to deliver the tones I need. When I want to run direct to the PA or grab a feed for recording, the onboard CabClone DI is a real bonus. I've also never found an amp that takes pedals as well as my Mark Five:25, and the onboard spring reverb can easily stand on its own.
See also: Amp Heads, Mesa/Boogie, Mesa/Boogie Guitar Amp Heads