Marshall Studio JTM ST20C Demo | First Look
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A legendary British brute is reduced in size, weight, and wattage without sacrificing its characteristic brawn, chimey clean tones, or intoxicating overdrive sounds.
Inspired by the JTM first produced in 1962, the new Marshall Studio JTM is designed to bring the modern player the same legendary, warm, and smooth tone that inspired generations of musicians.
To honor what would have been Jim Marshall’s 100th birthday and to pay homage to the first Marshall amp, our Studio series has a new addition.
The new Studio JTM range comes in four unique but equally distinguished products in the form of a 20W head, 20W combo amp, 1 x 12” and 2 x 12” cabs all adorned with period-correct aesthetics such as the famous red enamel poured “coffin” logo and luxurious fawn fret.
The original JTM45 was heavily praised by the likes of Gary Moore, Richie Blackmore, and Angus Young for granting more tone, more gain, and more grit to their sound. Today, this same ethos is the driving fuel behind the creation of the Studio JTM, having recreated the sound of the JTM in immaculate detail and being handmade in our world-class UK factory in Milton Keynes.
Terry Marshall, Jim Marshall’s son and creator of the original JTM45 said: “When I was demonstrated the StudioJTM and it took me back to my original JTM45, it was my sound...I feel like it is going to be something special.”
Convenience has also been put at the forefront of the Studio JTM’s design, with a smaller footprint and being more lightweight than its historical counterpart without compromising on sound quality, the amp is a breeze to transport and is suitable for playing in multiple environments.
The Studio JTM features many of the same components that helped define the iconic JTMtone, from the ECC83 preamp values, 5881 power amp valves, ECC83 phase splitter andG12M-65 Creamback Celestion speakers, resulting in a unique blend of warm, growling, and versatile sound that takes you right back to the renaissance of rock and roll.
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00:00 - Intro Jam
01:51 - John Bohlinger Intro
02:02 - Marshall JTM45 History
02:41 - Studio JTM 20 Overview
03:22 - Studio JTM 20 Tubes
04:28 - Studio JTM 20 Channels & Controls
04:55 - Celestion G12M-65 Creamback Speaker
05:39 - Studio JTM 20 Old-School Asthetics
06:00 - Signal Chain
06:51 - Testing Both Channels in Both Power Modes
07:58 - Normal Channel
08:51 - High Treble Channel
09:08 - Testing Both Channels in 5W Mode
09:54 - Testing Both Channels in 20W Mode
10:31 - Studio JTM 20 Clean Tones
11:01 - Clean Tone with a Overdrive Pedal
11:58 - Turning All (Volume) Knobs to 10
13:10 - Studio JTM 20 with 1955 Fender Strat
14:35 - Final Thoughts
15:11 - Outro Jam
#guitar #amp #marshall #guitarplayer #guitarist #marshallamps #jtm
Пікірлер: 118
Shop the Studio JTM: sweetwater.sjv.io/9gxndy Subscribe to PG's Channel: bit.ly/SubscribePGKZread Win Guitar Gear: bit.ly/GiveawaysPG Don't Miss a Rundown: bit.ly/RIgRundownENL Merch & Magazines: shop.premierguitar.com
Man that sounds great! This is the best demo of this amp I’ve seen so far! Someone finally showcased the sweet low to medium gain sounds. Great job John!!😊
What a great player John is
Great coverage of this little gem from soft to crunchy. I got one and it’s the best amp I’ve owned. Thx J.
Amps like this have a very underrated clean tone. I built an 18 watt TMB Marshall from a kit about 19 years ago and loved it. Unfortunately I had to sell it. It was glorious.
Always love to see your demos. Hope you're doing well, John!
Sounds phenomenal. Great playing John
Excellent playing and tones!
Awesome playing and video. Love the clean sound and i love my ST20C so much more than the Blackstar St James EL34 combo it replaced.
Thank you John!
wow, John, you coaxed out some amazing tones in the opening track.
Bravo John! Another amp you make me want to buy!
@premierguitar
10 ай бұрын
Rock on!
This is an excellent review. Good info and good demo. Thanks.
@premierguitar
10 ай бұрын
Glad it was helpful!
Nice kind of synthwave beat. This amp is fantastic. I bought it and put it right next to my sv20 s. Awesome? Yesss!
Intro jam is awesome!
Great playing John in that opening. 🍻
this amp sounds great on you ! :)
Sounds so good…but he makes everything sound great 😊
The video I’ve been waiting for….
Wow, you are an amazing guitar player!
Choices & competition in the 20 watt tube combo segment are mind boggling. This model seems a safe & sound proven design.
Amp sounds great. It is something that will last along time. It sounds like a great Rock Amp, but can cover you for all styles.
I got the Marshall SC20, and I've been looking for an amp to use in a stereo setup. I felt the the SV (Super Lead) wasn't really the tone I was looking for. But here it seems as Marshall has made my new dreamamp. Not as much gain on tap as the SV or SC, but with a clean and medium gain tone to die for. As always has John shown us just how good an amp CAN sound. So I guess it's time to head to the local store to test it out for myself...
Great demo John! Nice to hear you playing. :) This sounds like the ‘60’s Plexi’s, nice and warm! I sure miss my ‘68 and ‘69 Plexi’s that got stolen from my practice space in Ottawa, ON in ‘92. I hope who ever got them put them to good use. :’( ❤ from 🇨🇦 eh! \m/, ,\m/
Great demo, I like 5W
Actually settled on the KT66 power tubes . They used 5881s for awhile but settled on the KT66 eventually . They also often used alternate tubes for Export market Marshalls . In the late 60s they often used something other than El34 becaaue El34s were blowing alot more in America due to differment voltages so they often used more robust tubes for American bound Marshalls like 6505s or Kt66.
@GCKelloch
6 ай бұрын
I read that the choice of KT66 was a happy accident due to the lack of 5881 supply. I prefer KT66 for sure.
@lawrencesprau1935
4 ай бұрын
Does the amp have to be modified to accept the kt66?
Mark Knopfler .. Marshall player Collector . Great Post on Harmonics
good player
I was just about to ask what pedal he is using...then realized thats all amp - really great sound!
These guys are salesmen. They're hear to talk you into buying an amp you probably really dont need if you're not gigging for a living.
@DG-bb1jz
3 ай бұрын
I mean on the sales aspect….. duh But that’s bullshit. A tube amp cranked should be enjoyed by everyone not just a gigging musician.
@vincentl.9469
3 ай бұрын
@@DG-bb1jz aside from reviving the model , from what I can make out they are built in Bletchley England too..under $1000 for the head alone
I had a Visual Sounds Dual Tap Delay.... I did a partial trade in for an acoustic guitar. Loved that delay. Miss that delay.....
I have it I love mine
John, PLEASE play along with backing tracks, all we hear are little scratches, that was a very cool tune!!😳 originals, no copyright issue, surf meets bluegrass? 😅 awesome, give us more!
Got to flick the toggle switch on the LP to get that ,,,gack ,gack,gack,gack!!!!
What label is the leather strap in your Les Paul? Imaging look mate. And amazing tone also.
you can swap out 12AX7 with 12AT7 or 12AU7 for different gains.
If its heavy that means that everything that is supposed to be in there is in there
Dime everything was the ticket
I see you using a Petosa Music patch cable. I'd guess someone spent some time in the Northwest. 😉
The original Creambacks were just Greekbacks with cream magnet covers then you had Grey backs and black backs but they are all the same speaker model .you had G12M 25s and G12H30s. With different color magnet caps throughout the 70s . So there was no vintage Creamack model . Vintage Greenbacks and Creambacks were the same speaker.
John, what do you mean when you said at the 4:00 minute mark,? "the differance between the Marshall and the Fender Bassman is, on the marshall the 12ax7 comes first"
@drSwan77
10 ай бұрын
A Tweed Bassman had a 12AY7 as the first preamp tube. That tube has less gain. It’s more or less standard to swap it for a 12AX7.
@doc_matter
10 ай бұрын
@@drSwan77 right but it didnt make sense out of context like that
great demo dude if got a 76 twin reverb fender and a 50s fender and several les pauls including my 76 standard tobacco burst and cherry burst 81 custom and 89 ebony standard
It sure is purdy. I want this amp. But where to put it. seriously its a problem at this point.
Who makes the guitar strap on the les paul, first guitar in the video
Great playing - your inner Pete Townshend / P Kossoff
Using the drive peadal wirh the amp set clean it sounds really blanketed muffled .
Vintage Creambacks were just Greenbacks wirh a Cream magnet cap just like greybacks and blackbacks they were all G12M 25s or G12H30s regardless pf the magnet cap cover . Sone had 55hz cornes or bass cone and some had 75Hz or lead cone . But the vintage Creamback is not its own seperate model . I
Awesome video! Good lucky for you in youtube journey! I'm stopping my videos today because I am the worst guitarist
Why would this and the silver jub. have 12s, but the sc and sv combos have 10s?
@volkspanzer831
7 ай бұрын
There is a video explaining why but I can't remember where I ran across it. Something about the 10 sounding as good as the 12 and being able to keep the size of the amp down.
Is it as loud as the sv20?
Knobs look cheap, and no location marking.🐐
Hi John. I just got a Marshall JTM Studio Combo based upon your recommendation. The amp sounds great, but anytime I play a C chord (or any C note on the fretboard) I get a weird harmonic vibration. It's more pronounced with humbuckers, but still happens with my Tele. Did you get any kind of vibration from the combo you reviewed? Thanks!
Dime this pig, he says ! 😅 love it
Wait is that an LP with a B bender?
@johnbohlinger
10 ай бұрын
yup
What are the differences between this amp and the SV20C? Thanks!
@josephliptak
8 ай бұрын
A lot of marketing tactics to push sales.
@yaniv-nos-tubes
8 ай бұрын
the sv is the 1959 super lead's modern 20 watt version. this is(st 20) the jtm 45 2245 modern 20 watt version. the jtm is cleaner and darker the super lead is punchier and brighter.
@leerubenstein2446
8 ай бұрын
@@yaniv-nos-tubes thanks very helpful!
@kooper3211
7 ай бұрын
@@josephliptakA Jtm circuit and a Plexi circuit sound completely different.
I have this amp. So how do you switch to 5w?
@yaniv-nos-tubes
8 ай бұрын
the "low" position on the standby switch is 5w the "high" is 20w. just got mine (combo version) today, hooked it to an external cab(1974cx) with a greenback and swapped all the preamp tubes to early 60's mullards, great little amp.
Instead of saying:"now let's hear les paul a bit" he went the other way 😢😊
these sound good but not at those prices. I'll stick with my Two-Rock CRS
Audio is CLIPPED!
Steve Martin can really play!
@alexander_winston
8 ай бұрын
He’s a wild and crazy guy!
if you go to gruhns guitar right now you will see my 59 fender strat for sale. beautiful guitar but expensive
20 watt sounds “ fuller”
Sounds great, but man it's pricey.
2:36:"but definitely its own thing" well, if that's what call swapping power tubes from 6L6 to 5881, then ok ;) At 3:56 you mention that. You have my respect!
Still doesn't justify the $2,000 price tag.
@jordanpratt3821
9 ай бұрын
Outside of the classic vibe series I don't know that the price of any gear right now can be justified. Just give it time and they will get ridiculous too. Fender is only gonna listen to people talk about how great they are for the money before they jack up the price. Ala epiphone.
@sjorda12
8 ай бұрын
Just went on sale for $1200 which is a little better to stomach. I’m watching the videos because I couldn’t justify $2k but $1200 is now making me want to pick one up
@jordanpratt3821
8 ай бұрын
@sjorda12 yeah the plexi head just went down to 999.99 from 1,800.. Now I'm trying real hard to find a way to not justify buying it.
@BreadandFaxes
8 ай бұрын
Just got the combo for $1200. Killer sounding amp
@robpalanzagtr
8 ай бұрын
@@BreadandFaxes hey is yours noisy? I picked on up as well but pretty sure FedEx trashed it. Had to be dropped. It plays and sounds good but the amp has so much noise and is super scratchy when turning the knobs. Especially the presence knob. Sweetwater going to send me another one once they get back in stock.
Dime this pig?
overdrive pedal on a Marshall......like bying a Porsche and changing the engine for a Volkswagen diesel.
@CentaurusRelax314
10 ай бұрын
It’s really not like that at all.
@slowhandblues187
10 ай бұрын
The early Marshall’s were based on the Fender Bassman and not really high gain (even when cranked). It was common to use pedals such as the Dallas Rangemaster to boost the JTM.
@marshallgibson8872
5 ай бұрын
No it's more like buying a porche and slapping a turbo on it.
All those effects render this review useless. Can we hear the amp?
There is so much disinformation here that I don't know where to begin ...
If you really want to see how clean the amp can be then stop using your fingers and use a pick. You can get any amp to sound pretty clean using your fingers - but not all of us play that way. This is deceiving.
@thesmr
10 ай бұрын
"deceiving"? The fucking hell is wrong with people, man. Calm down.
Let's doing the pros for demos.🤣
Choices & competition in the 20 watt tube combo segment are mind boggling. This model seems a safe & sound proven design.