Marshall JCM800 Studio Classic SC20H Amplifier Review 🤩

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(affiliate links)
This is the new 2019 Marshall JCM800 Studio Classic 20 (SC-20H) amplifier head. This is a really solid valve amplifier perfect for studio and live use application. The amplifier can be run at full 20 watts or switched down to 5 watts for lower volume use. Even at lower volumes, this amplifier is quite loud. In this video review of the Marshall JCM800 Studio Classic, I am using the Marshall MX212 speaker cabinet loaded with 2 x Celestion Seventy 80 speakers.
Video Time Codes:
JCM Video Timecodes
0:00 - Intro Track Jam
1:35 - Amplifier Overview
3:19 - 5-watt mode (with volume boost)
6:04 - 20-watt mode
6:26 - 20-watt mode with FX Loop Reverb Added
6:43 - 20-watt mode with a Tubescreamer
10:40 - JCM 800 with a Fender Stratocaster
11:59 - Overview and final thoughts
Marshall JCM800 Studio Classic SC20H Specifications:
Power: 20W (tube)
Power switching from 20W to 5W
Tubes: two 12AX7 (preamp); one 12AX7 (phase splitter); two EL34 (power amp)
Single channel
Two inputs
Controls: 3-band EQ, presence, volume, master
Effects loop
DI output
Speaker outputs: 4, 8, 16 ohm
Thanks to Sky Music for letting me review it
www.skymusic.com.au
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#Marshall #marshallstudioclassic #marshallJCM800 ‎
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[@auntjenifer7774]

As a long time viewer of YOUR content It's kinda crazy watching YOU grow and develop as guitar player going from fender amps and Telecaster to Gibson flying V and Marshall jcm800 ! Good for you !

[@DelReiRock]

Man... One of the best tone of this amp.

[@immortalgram]

Really thinking about getting this amp. The 800's are my favorite. Sounds great Shane!

[@oldguysguitarvlog183]

Whoa...that's some righteous tone, man!! Nice demo!!

[@cliftongardner4367]

Careful, Shane. Once you start running Gibsons through Marshalls, you might not want to play anything else! Great demo.

[@Fandao19]

Clifton J. A magic combo for sure!

[@msaintpc]

Truth told. The Marshall-Gibson match is as addicting as any good drug.

[@KahnuevsKrake]

I LOVE this amp. After years of using the likes of Mesa Boogie and a PRS MT15, it was a little brighter than what I was used to, but after a bit of tweaking, it's an AMAZING amp. It was only after I owned a Marshall when I realised those amps don't have that much gain and you kinda have to be a better player to use them well. Boost it with a decent overdrive and it absolutely sings! One thing to bear in mind is that Floyd Rose guitars can sound quite shrill through this amp, even with the presence and treble dialled way back, and noticed a decrease in distortion compared to another guitar with a stoptail bridge and a similar pickup. So I would advise maybe putting a brass block in the Floyd and choosing your pickup wisely in order for it to not sound that way. An Alnico Nailbomb by Bare Knuckle Pickup works really well in this case. Boosts the input as well as the midrange for more gain without sounding harsh.

[@user-jz8fv8du8p]

I tried the combo in a music store, it sounded great. The JCM800 has a master volume! of course it can be used as a practise amp! great tones at lowered volume !

[@guitarocd9984]

That sounds awesome. That amp is on my radar.

[@bobboitt3126]

Oh yeah! THAT amp sounds amazing. The V looks good on you.

[@lanthaniated1]

Awesome review. Running a Laney L5 into a 16ohm Marshall C110 in my studio today, sounds killer...

[@DamianS1893]

Excellent Guitar and Amplifier Match. Love the tones you're getting. That Cab Sounds great too!

[@DarkKhagan]

I miss my old JCM 800 twin and my 1967 reissue Gibson flying V. This is the perfect Hard Rock/Metal Amp i remember Michael Schenker (Scorpions, UFO) and Zakk Wylde (Ozzy Osbourne, BLS) both played through a JCM 800 Marshall! 🎶🎸😎

[@ClaySmith]

Man, that "V" sounds absolutely amazing. I mean, I may be a bit jealous...lol.

[@markdakel9253]

What’s not to love, that amp can do it all no matter your style of playing. Hope to see you gig with that set up

[@skydivechris2802]

love it. great review, shane. as always. i have the min jubilee in black with the fitted 2x12 and love it. but actually just the one channel of the 800 would do.

[@davecooper360]

I have a JCM 800 2203X which I love but it's so heavy to carry around. I've been thinking about getting one of these instead. Every clip i've checked out sounds just as good including this one. Great job!

[@jesmara4474]

Bloody Hell Shane I just bought one after watching your video. I Love it! I was gonna buy a PT20...you saves me half the cost and with my own name initial (JCM)

[@MisterRorschach90]

For some reason I’ve slowly grown to love the Gibson Flying V. I always thought it was stupid. My dad always told me he hated his. But In the right color it just pops.

[@Wolf_K]

I feel the same about the Firebird

[@toddflowers8052]

O.k. Shane now you are an enabler mate ! I want either this or the Plexi and I already have too many amps ! Great demo as always ! Cheers ! :-)

[@alans1313]

shane is surely an enabler ha ha ha ha

[@bobboitt3126]

I love the look of the Plexi, but the JCM has the master volume and makes it more useful.

[@Wolf_K]

I got one in Navy Levant (from Sky ;) ) and got the SV212 cab for it in the same colour. Brilliant amp. I was going to get the plexi but I like a master volume better. It does sound great without pedals but I put a Rat in front of mine. Cleans are very nice as well.

[@kendogg97]

So it was between this amp and the Friedman Jerry Cantrell Jr. 20 watt. I would recommend checking it out as well. I decided on the Friedman and I don't regret it. Love this Marshall too.

[@Dornavver]

Great review, thank you very much!

[@Craig_Fussell]

Man, you’re turning into quite the rocker...a Flying V and a Marshall head??? Wow!! Sounds fantastic!! You’ll be playing arenas and having pyro in no time LOL!! Great review seriously! 🤙🏻😎🎸

[@joszefrviz398]

I use it in my bedroom all the time. I have no problem whatsoever turning it down to "bedroom levels". It sill sounds fantastic too. I have the head version and run it through a Marshall 2x12 cabinet. I love the amp sooooooo much. I really don't need or want anything else. IT IS THAT GOOD. Especially with a Gibson Les Paul. I wouldn't do a straight trade for any boutique amp EVER. When you have the best, why mess with the rest?

[@jessetate9701]

This amp has such miracles of tones lol

[@hornetlord]

Great Marshall tones and tasty playing.

[@bigchocolate8547]

Great video my man 👍🏿

[@monstruonegro05]

Great review and playing!!!

[@intheblues]

Thank you kindly!

[@TheRiveroad]

For anyone wondering this is a great “live/gigging” amp. It’s very bright as you can tell from this video but, having said that it works great in a live setting. Because you’re not fighting the bass players frequency and you’re cutting through the mix. It’s also extremely touch sensitive. I run a AC booster and or a morning glory in the front and ride my volume on my baja tele and I can get anywhere from heavy overdriven rhythm to sparkly/spanking country twang. It’s definitely an amp that you need to dial in but totally worth the time. Also to note I run the head into a 2x12 vertical cab with two celestion 70/80 speakers.

[@hauntedchannel9163]

How loud would u say it is because my drummer really dose smash those drums

[@smith8281]

You should swap those speaks for v30’s

[@overvieweffect9034]

if you could get your hands on a plexi studio, and even perhaps compare both, that would be beyond amazing!

[@DMSProduktions]

THE sound of RAWK! \m/

[@Frettedchaos]

I love to run the pre gain at 3-4 and the master way up! Great job Shane!

[@jamiller379]

Feeling that strat brother

[@jasonswanson5630]

A lesson of this fantastic intro would be awesome 😎

[@martinboucher6225]

Good review Shane, as always! Can you get that sound with the dsl?

[@msaintpc]

I love your wall décor, and that Studio Classic is indeed a beast, I have one and love it. Did you have the opportunity to see all those wonderful artists in concert?

[@EyupComics]

Mate. That V, that Amp 👌🏻

[@MegaAnarcist]

Damm! that V sounds insane!!

[@tonyadams6985]

Had a jcm800 50watt & quad from the early 80’s to early 90,s. It was all I used for everything. Have scaled down to supersonic 22 but..... Have been considering fender bassbreaker but.... Your demo has reminded me of how fuss free it can be! Plug in and it’s there! Thanks for the demo.

[@jcmusic7285]

I got a 15 watt Bassbreaker head with matching cab and it rocks. Highly recommend.

[@jalaskabtu]

Yes man, yesterday played jcm2000 dsl 100 vs this, jcm2000 lots of fizzzz and bees. Jcm800 studio plug and play.

[@prd004]

Would love to hear you review the combo version

[@BeardedBluesDude]

I need one of these... compare it to the Jackman!

[@century2077]

Hey man I love the sound and great video but isn't the kemper making all of the amps obsolete your opinion is greatly appreciated i know different situations call for different equipment. But hey kemper can't get that air moving behind you. Thanks for the video I love it.

[@TheMichaelseymour]

noice chops man ....

[@misslillysdaddy]

Hey Shane great demo. Looks like it would be ok using live in a band setup.

[@ZuluV1]

I gig with mine and don't get it over volume 2 as it's that loud😂

[@jorgegvb]

Great sounding amp and V. Please get some hearing protection to use when playing loud! I have hearing damage from playing too loud. Never dreamed it could happen to me. 110+ dbs is very loud.

[@alanst.4417]

Damn that was a great tone, Shane! Love that you're doing more Marshall and Gibson stuff. You rock! Hope that you'll do the SV too.

[@msaintpc]

So far they haven't found any combination that sounds as good as the Marshall-Gibson marriage. Nothing so far even comes close. That's why that particular match is the preference of 90% of professional players.

[@DelReiRock]

Excellent demo!! Is it possible to A/B the two inputs to get a 2 channel amp?

[@shaunw9270]

Wow ! Great review , great sounds and I'm pleasantly surprised it's British made as a lot of their products aren't anymore , sadly.

[@tdunster2011]

I still like the 2x12 Bluesbreaker combos best but this is pretty sweet.

[@losferwords10]

That amp is a beast, to much for what I'm doing though. Thanks for the review

[@draganm7823]

YES! 161st thumbs up! Gr8 video as usual from Shane! 🤟

[@laudirjunior8922]

Very, very, very, very good!!!!!

[@notrightinthehead8515]

I dig it!

[@antonioalbares]

Man, so many great tones coming out of this thing with little effort.. did you keep it?

[@scottywhittaker287]

I can see why you made a profile of that amp for the Kemper. Killer tone. I personally wouldn't use an overdrive pedal at all. It seemed to respond well with the volume control on the guitars. So maybe just a boost pedal is all you would need.

[@spada60]

OD pedals are for color so why wouldn't u use them. Think of ur amp as a palette bud and OD as ur brushes u will enjoy ur playing a lot more

[@scottywhittaker287]

@@spada60 you are right. But ever since I got an all tube amp. I use an overdrive or a distortion pedal more like a volume boost for my main tone. Kinda like Stevie Ray Vaughan did with his tube screamer. I do use an overdrive for more gain and what not, and doing a clean boost is just what I am liking right now. That's why I like love playing guitar so much. There is a millions ways to get a tone and everyone has there own way

[@billyc6678]

I don’t get to see many lefty’s play. Sweet. 🤘🏽🤘🏽🤘🏽🤘🏽🤘🏽

[@krauz111]

would love to see a review of the marshall studio vintage

[@electricurinal]

I second that emotion. That's the one i'm drooling over.

[@fragtagninja1633]

@@electricurinal, I got that reference!

[@akwamarsunzal]

It is pretty trebley eh! Would cut through the mix really well! As you say, can compensate for that with EQ or tone control!

[@davidainscough1051]

Hi Shane. I'd be interested to know how you think this JCM 800 at 20 watt compares to the Origin series amps Marshall released a couple of years back.? I have an Origin 50 combo and I am thinking of getting a head and cab separates for gigs. Would this 20 be heard in a band over a drummer?

[@charles56737]

Awesome! !÷

[@mattaki]

Thank you for showing the low gain tone. Most reviews just show screamer tones!

[@GuitarsAndSynths]

Would you take this amp or the mini Jubilee version and why? Been looking hard at this amp to replace the Peavey 6505 I cannot use in home.

[@joshmuz9018]

This guy always goes "yeah" when he finishes a few licks. Hahaha

[@americanhorseman]

Shane...the 800 sounds great! I bought the MK ll SV 20/5 Plexi...and I love it...If u could get it I would love to hear your review of the Plexi...Thx

[@p_1210]

Donny Lovette did you try both mate before you purchased? I’m not sure which one to get. I’m leaning towards the SV head. How long have they been out in Australia? Cheers

[@americanhorseman]

@@p_1210 Hi Peter...I did not try the jcm 800 head but I am familiar with the head...I chose the plexi head because I love that old school Marshal overdrive...but what one me over was watching Tom Quayles demo of the head on the Dawsons utube channel...It is very loud but for home jamming I run it thru a Radial Headlong Loadbox Attenuator and it sounds better than anything I have ever owned...Watch that video and u will buy it...Take care brother1

[@ForeverDownByLaw]

That's a really nice V. What model is it?

[@jimlutz1290]

Hi from Arkansas, USA - well that may not have made your day, LOL - but I liked your videos and want to ask which Marshall 2X12 cab you used. 🍻🎸

[@intheblues]

It was the matching cabinet I think it was called MX212 possibly from Marshall. It was loaded with two 70 80 speakers.

[@BoomaBendz]

Great review, great tones. The Seventy 80s are fairly neutral sounding so you get a good idea of what the actual amp sounds like. I've found they seem to break up a little earlier than V30s or G12T 75. Be interesting to hear whether an attenuator would successfully tame it down a bit, or just ruin the tone.

[@rikardo1070]

MAJOR KICK ASS !!!! LOVE IT !!!!

[@43dukedog]

i have a dsl 40c with the stock 70/80 that i bought new for 399.00 . it is 40 watts 2 channel el 34 with reverb. Compared to this which is a great sounding amp i just cant justify the price. My amp sounds incredible as is. Live or in the studio so much can be done for tone do you really need to spend so much to achieve what can be done for so much less .

[@hauntedchannel9163]

Sounds soooo good! Cant wait to get mine! Very glad to know there crazy loud because I was slightly precautions my very hard hitting drummer would shroud me a bit aha

[@guitarjediwarrior]

This video really demonstrated how a darn good musician can compensate for bad guitar pickups. In my humble opinion, there is no reason to keep ceramic pickups in the Mexico Standard Strat. I have one too, and after some years put Seymour Duncan SSL-1 into it. Never looked back. :) The highs are just so uncomfortable to me in Ceramic Standard ones...

[@jaydogdogbite8081]

Love the fact you run the 70/80's in these reviews.

[@SfordRog]

Have you profiled it yet for the Kemper?

[@landonbailey]

Sounded great! I think I would still pick the dsl20hr over it, just more versatility :). All depends what you’re looking for.

[@spada60]

well if ur looking for the true marshall sound then get the studios versions

[@kudos4201]

​@@spada60 BS. the DSL is a great marshall

[@fernandodepaula4676]

Sounds really awesome!! It will be quiet enough, at 5w mode, for bedroom use??

[@intheblues]

I am pretty sure I covered that at the end 🤣

[@jamalabdul2009]

The JCM 800 SC is a beast!!! I guess this amp can “Blues”!!! I’ve always associated it with 80’s Metal, but it can clean up nicely, if you want!! No overdrive or distortion pedals needed here, all you need is your guitar, earplugs, and deaf neighbors!!😂😂😂 Hopefully you can do a review of the Studio Vintage 20 amp modeled after my favorite 1959 Super Lead!! 🤞🏾🤞🏾🤞🏾Cheers!!!!🎸🎸🤙🏾🤙🏾🤙🏾

[@jessetate9701]

That’s the choice I gotta make jcm800 head or the mini plexi

[@pbest75]

@@jessetate9701 What did you go with? Im facing the same decision now

[@MartinCoolMusic]

I wonder how does it sound with a load and speaker emulation like the Torpedo Live. Would it be nice too?.

[@Lowtech14]

Celestion 70/80s are bright speakers. You might have a different comment about amp’s brightness if cab was loaded w say Celestion G12H Anniversary speakers

[@Pessidoggy352]

ok ill explain my situation i can either get a behringer um2 audio inteface its a really low budget interface 16bit audio and 48khz resolution with an shure sm58 or either i can get a behringer umc202hd interface 192khz/24bit with a behringer xm8500 microphone whats the better choice

[@underpressureman]

I just want to see what people think and take sort of a poll. From what you have heard(or tried) of these two amps, what would you rather have for Punk Rock/Hard Rock in Studio, The JCM 800 Studio (or) the Silver Jubilee Studio??

[@orcunozcan]

Can we able to connect it directly to the soundcard via DI out? Thanks

[@daxliniere]

Cool review, thanks mate! BTW, pretty sure that SM57 is a knock-off.

[@MarkSD]

Too me some guitar player's for a lack of better words look awkward or uncomfortable playing the Flyin V guitar. Intheblues guy and his Flying V seems like a natural fit. Diggin the guitar more than the amp head.

[@BlaineLudeman]

dude, can you show me this lick that you always do? it's very cool here - 4:22

[@stevanaczel7785]

Hi Shane watching your videos for a while and like them ,I recently bought a Marshall SC20 head and a Peavey 2x12 cabinet ,just a little confused as to how to connect it up. the cab has a stereo /Mono switch on the back which reads 8 ohm in stereo,or 16 ohm in mono what connection do i use on the amp? the speakers are Green backs at 8 ohms each .you tested the amp ,and i loved it ,could you help a beginner guitarist out ,the shop told me connect to the 8 ohm out let ,i have switched it to MONO ,so which one do i connect to 16 ohm or 8 the manual is not much help ,keep up the good work ,thanks .

[@intheblues]

I’m pretty sure if you have the switch in mono use the 8 ohm output. The cab might be able to have two amps in stereo possibly. If you only hear one speaker in mono let me know but they should both work.

[@mr.bubbalo9720]

The 5 watt mode is incredibly loud contrary to belief. I love mine. The 20 watt mode sounds much fuller than the 5 watt in person but both sound great 👍

[@TomasLineros]

Can you use it at home, without people calling to the police?

[@Da_Xman]

@@TomasLineros Definitely yes...

[@timvanngman]

Key to killer JCM800 tone: Bass - 2 Middle and Treble - 8

[@Jay-sy5yf]

Gonna try that out on my 4104, thanks!

[@tomfoolery2082]

It do sound real good, i hav an egnater that goes Down to 2watts,, still very loud, in a house or late at night no way .

[@msmoniz]

Get rid of those 70/80 Celestions and I'll bet that amp would sound a LOT better/less harsh in the high end. Play it through some V30s or Greenbacks. But overall the 70/80 are a pretty crappy speaker. Most DSL40 owners I know, swap that speaker out right away for a V30 or a Greenback and are blown away at the difference in improvement.

[@rodneywhite2565]

Do these sound at least as big as the DSL40c?

[@damasterkarej]

I have two DSL's 20 combo. Is it worth replacing both of them for one SC20H on matching 212?

[@fadlyhans82]

It’s worth it cause you have thought about it. I have own this amp and be it in the low or high output it rocks forever. Well of course this is boosted with pedals. Just simple pedals like a delay or reverb and any overdrive. Then you’re all set.

[@Anthony-ru9hz]

Hello, who would tell me this piece of music at the very beginning of the video? Thanks

[@realnewyorkstyle]

It doesn’t need a cabinet speaker?

[@samaitcheson7057]

Dude, your face is telling us everything we need to know!

[@akwamarsunzal]

Must remember to put a copyright claim in against you Shane... That intro you play was recorded by my band 4 years ago ;-) I shit you not! Was something we put together and is exactly the same, aside from the song is complete. Nah, no copyright claim Shane! Kiddin' man!

[@cliveclive54]

Nice cobba \m/

[@musik4life24]

Jcm 800 studio or your Dsl40C which one do you prefer?

[@jessielees]

wondering this myself... dsl40CR is 999 canadian dollars, the combo amp version of this one, sc20c is 1699. dsl seems way more versatile but I cant help wonder does the sc20c sound 700 dollars better or not...

[@charlieboyd2453]

Musik 4life the JCM 800 studio is made in England so the built quility is better and from what I’ve heard this one is louder and better

[@ScotianBlooded]

@@jessielees the studio is also made in uk dsl is not

[@snuffy166]

i played both and bought the jcm 800 studio, doesn't even compare, u will see right away if u goto a music store like i did and play both

[@LookingForEntertainment112]

Do yourself a favour and have a go on the SV20H, the mini Plexi. It's incredible.

[@kenaiello4851]

yes it is!

[@juanantoniovallesramirez4169]

Uuuuuuuuuuuuuuuh yeaaaaaaaaaaaaaa

[@sandlmv8301]

I loved this amp so much. Then my friend bought an egnater tweaker 15 combo. He then proceeded to get my favourite sc20 tone and could get it even more touch sensitive at lower levels. I then sold my sc20 and bought an egnater tweaker 15 combo and spent the remaining change on a second hand shotgun and blew the prick away.