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Average Price: $2,966
High-end/Boutique
$300
$801+
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High-end
Price History
Based on price data from 4 merchants for "Marshall Plexi 1959SLP". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unleash the fierce, vibrant spirit of rock 'n' roll with the Marshall Plexi 1959SLP. This amplifier head hails from an era when rock was king and tone was paramount. It gives you the golden opportunity to tap into the same iconic, tube-driven sound that fueled the anthems of the late '60s and beyond. This isn't just an amplifier; it's a time machine, built to awaken the classic rock beast within you.
Handwired by the experts at Marshall, the 1959SLP is designed to deliver optimum performance and reliability. It packs a wallop with 100-watts of power, providing a raw, expressive character that beckons to be played. This is the sound that started a revolution, now ready to fuel your own musical rebellion.
With the Marshall Plexi 1959SLP, you're not just playing an instrument. You're commanding a piece of rock history, and crafting your own legendary sound along the way.
The dual non-footswitchable channels, each with high- and low-sensitivity inputs, allow for a broad range of tonal versatility. Pump up the volume and let the authentic Plexi tones of the 1959SLP take your music to new heights.
Key Features:
- Handwired construction by Marshall's expert team
- Authentic '60s Plexi tones
- 100-watt power for potent, expressive character
- Two bridgeable channels for extended tonal versatility
- High- and low-sensitivity inputs accommodate a variety of guitar pickups
- All-tube signal path, featuring three ECC83 preamp tubes and four EL34 power tubes
- 3-band EQ and presence control for extensive tone shaping
- Two speaker outputs for connecting extension cabinets
- Classic gold Perspex front and back panels.
Product specs
| Amp Type | tube |
| Total Power | 100w |
| Weight | 48.5 lbs. |
Videos
Woodwind & Brasswind is now Music & Arts
Marshall Plexi 1959SLP 100W Tube Guitar Amp Head Standard
Reviews
PROS
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Iconic late 60s and 70s rock sound
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Improves with NOS Mullards tubes
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Responsive to guitar controls and pick attack
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Solid construction, easy to modify and repair
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Takes pedals well, offering spanky clean headroom
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Legendary tone used by famous musicians
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Can achieve a variety of sounds through settings
CONS
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Heavy, challenging to transport
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Must be played loud for optimal sound
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Not ideal for low volume settings
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May require modifications for less high end
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High maintenance, sensitive to wall voltage changes
5.0 out of 5
Based on 7 Reviews and 59 Ratings
41029
Workhorse tour amp for large venues with THAT tone.
I had one of the '88 RI's as an integral part of my touring backline for years thru a tall cabinet with great old celestions in it. What a fine amp. I tweaked mine a little to sound better with a strat, but I recommend this amp stock for anyone who needs a lot of stage volume and plenty of treble on tap. She wasn't as reliable as a vintage blackface fender, but she never failed at a show and always sounded pretty solid unless the wall voltage was outta control high (I eventually started power conditioning or even running a variac). While I typically deplore working on PCBs, Marshall does a great job with their layouts and spacing. This amp was easy to repair, rebias and modify. Not the holy grail as some attest, but very very good
I have one more thing to say.... this amp will not be what you expect at less than theater-filling levels. If you do not tour then get a 50 watt JCM800 2204 or maybe an 18 watt. Still, this is THE Marshall sound you've always heard about. You may not find that sound easily, but its in there if to start in the right place. If you don't use overdrive or fuzz pedals, here is my advice:
Try setting the amp fairly flat (dime the mid and crank the treble to 10 or until it hurts your ears, add bass to suit your taste and cab) but keep the presence below 5. Don't jump channels like Hendrix, plug in the bright channel and dime it out, then add the normal channel to taste (there's crosstalk and subtle ghosting, but beware nosie and squeals at high presence settings). Then use your guitar volume control (yes, the knob next to the tone you don't use either) to vary between clean, crunch and lead. This amp does not respond like a hot rod deluxe or even the venerable tweed bassman that's in its DNA. I prefer an Amperex bugle boy ecc83 in V1 and an rca or ge 12ax7 in v2. The phase splitter sounds fine with ost any well made tube. In a pinch V1 sounds good with a well-tested tung-sol RI 12ax7. Alright, TMI
126
So much headroom
I've owned a few marshalls (JTM and JCM800) and without doubt this is the best one. Mine is slightly customised in that it's permanently jumpered.
My drives come from pedals so I need an amp that takes these well and provides spanky clean headroom when required. This has it spades.
The only downside is that the headroom comes at a volume cost...it's difficult to get this amp performing well at low volume levels.
271
One of the best rock amps - period.
I own a 1997 35th Anniversary 1959SLP. Super Leads are "the" Marshall sound. Many say a one trick pony but responds great to your guitar controls and pick attack to give you quite a bit of variety. Paired with a 1960AX with Celestion Greenbacks - one of the greatest rock tones ever.
Good But...
Personally it had too much high end so I had to "mod" it by clipping the high pass caps from channel one. Other than having to do that, it's a solid amp.
327
Artist usage
Add artist
In this interview with Kurt's guitar tech, Earnie Bailey, he explains that Kurt used a Fender Baseman Quad and a Marshall Plexi 100 during the "In Utero" recordings.
"Marshall SLP-1959 100-watt amp which was modded with KT-88 valves, which boosted its output to 200 watts."
"These heads were at Woodstock. I repainted them for some other show back then. We call these the Dookie mod and also the Bradshaw Gain mod. This cascades the front end and puts on the master volume. The SE lead mod adds a tube to it for even more gain. The way we run the heads is really all the knobs pretty much straight up and the master and gain at 10 o'clock. You turn it up any louder or any more gain it doesn't really sound that great. And Billie's tone is really not about tons of gain. It's actually cleaner than you would think it is. His technique playing and using the pick is more about where the sound is coming out of. I mean he'll turn the guitar down and clean it up then pop it back up," explains Hans, the tech for Billie Joe Armstrong.
According to Guitar Lobby, Kirk used Plexi 1959SLP.
Used extensively since the early 70's until the 90's, when Peavey started making signature 5150 heads. All the knobs were usually cranked up on 10 except the reverb.Usually used 100 watts, and the 50 watts were backups.
Stevie Ray Vaughan used the Marshall 1959SL Plexi amplifier while performing live, as seen in the photo from Firebellyamps.
In It Might Get Loud movie you can see that there was that amp at Edges home studio.
While it is a modeler used, Tom’s tech says part of his live sound is a jumped Plexi. 23:44
"Used for the In Utero demo sessions at Reciprocal and the '94 session at Robert Lang Studios." as shared by Earnie Bailey, NIRVANA's primary guitar tech.
Krist still uses his Plexi now paired with a JCM2000.
Album Usage
The Marshall Plexi 1959SLP has been featured on the following albums:
Lights (Live)
Neal Schon (2023)
Meteora 20th Anniversary Edition
Linkin Park (2023)
Blizzard Of Ozz (40th Anniversary Expanded Edition)
Ozzy Osbourne & Ozzy Osbourne (2020)
Satellite
Sergey Golovin (2019)
In Cauda Venenum (Swedish Version)
Opeth (2019)
In Cauda Venenum
Opeth (2019)
Kings of the Wild Frontier (Deluxe Edition)
Adam and The Ants (2016)
Gran Blanco
sputnik (2016)
Kairos
Sepultura (2011)
Victims of the Modern Age
Star One (2010)
God Luck and Good Speed
Weedeater (2007)
Meteora (Bonus Edition)
Linkin Park (2003)
Steal This Album!
System of a Down (2002)
Toxicity
System of a Down (2001)
Deviant
Pitchshifter (2000)
System Of A Down
System of a Down (1998)
Third Eye Blind
Third Eye Blind (1997)
Dookie
Green Day (1994)
In Utero
Nirvana (1993)
Back In Black
AC/DC (1980)
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Marshall Plexi 1959SLP, it is most commonly used with the following gear.
Community setups
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