Peter Green's Bluesbreaker Marshall JTM45!!! Building an EXACT copy of Part One
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- Опубликовано: 22 фев 2024
- Part Two: • The most accurate 1965...
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Ramon is the number one guy to teach the masses (and youtube clones) on how to obtain that classic British 60s blues sound.. just remember where you heard it first!
Thanks bro
Looking forward to your journey. " A job well begun is half done" You are off to a great start! It was a treat communicating with you about your build on TGPRi😁
Fascinating! I have a first year 1989 Marshall Bluesbreaker RI that was tweaked by Don Butler The Toneman in California to those specs. Tubes were swapped to KT66s, the OT was swapped for a Radio Spares repro by Mercury Magnetics, the filtering was lowered to the vintage specs and Weber Alnico Blue Bulldog speakers (replicating the Alnico Celestions) were installed. This was done over 20 years ago and I still have this amplifier.
amazing - thanks yeah I bet your amp sounds amazing now!
Hi Ramon, I do admire you taking on a task like this. I have a Ceriatone JTM45 Bluesbreaker that Nik built me. He uses the original schematic that was used in 1966. I used a variac with mine and it sounds fantastic. I would stuff the electrolytic caps. If you use those old ones there's a pretty good chance you will blow up your build if they go south. I personally love my JTM45 amp. Best of luck on your build.
Thanks Ill take your advice Michel - cant wait to get it built and happy yours s great also!
Well done Ramon, what an exciting exacting project.
Back in1998, I bought a "Bluesbreaker" kit from MojoTone. A friend built it for me (he wanted the experience) and I still have it. It has played hundreds of gigs. Same tubes and Red coat speakers!
Thanks for making this series😁.
Brilliant - how do you use it? Have you dimed it?
This is some next level amplifier archeological nerdiness! I’ll be watching!
Thanks!
Am Like a kid in a sweet shop can't wait talk about attention to detail this is going to be a great wee series.
Many thanks bro 🙏🎸
Ramon, this is a great project- hope it goes really well & am excited to hear the final build -(my grandfather was a radio engineer in the war) - I think this is gonna be one of those where you have to listen with your ears ! Honestly! - the thing that’ll affect that amp is the voltages, I guarantee the amp in the 60s would have been receiving less voltage than that available now & that’ll affect things greatly - if guys ever need any help recording etc, pls get in touch good luck Ramon (& Bob) 👍👍👍
Good luck! I finished my JTM45 build a month ago. Most of the parts were from Modulus, except the resistors. Used some old Beyschlag and some new Amtrans and Kiwame. Sozo coupling, F&T filter and Sprague cathode bypass caps. I did consider NOS caps and resistors, but didn't have the patience... 😅
I went for a combination of MkI and Black Flag. Both tube and SS rectifiers, switchable, and it takes 6L6, KT66 and EL34.
It sounds huge with a massive punch! Beautiful cleans and great overdriven tones! Takes pedals really well. Just have to be careful not to damage my hearing..!! 😂
Many thanks indeed 🙏🙏🙏great comment
Very interesting project. One of the first amps I build were a Metropoulus JTM45 with KT66 and Mercury Magnetics transformers. At that time I didn´t think it could play loud enough
and I sold it 🙂 but I have managed to buy it back again later. Caps in series with the signal is in my opinion very important for the sound. It is always a discussion amongst nerds,
but I don´t think parallel caps does that much.
thanks for the info - How is the clean sound?
Excellent i love these deep dives on amplifiers thank you
My pleasure 🙏🙏🙏🎸
This is insane, thanks for taking us along during your journey!
Looking forward to seeing to completion!
Thanks Doc
This is gonna be incredible
Thanks bro
Excellent video Goose. Can't wait for the rest of the video's. Thank you!
Thanks bro
Have you heard of the Dull Men's Club? 😂😂😂
Fantastic project mate which we all wish we had the time and devotion to complete.
Can't wait for parts 2+3😬
This will be right up their street ..... 😂
Thanks Mick!
That's a hell of a rabbit hole Goose. Looking forward to hearing it.
Thanks man Ill update you soon!
It's a very cool project, Ramón. Obviously the problem with NOS parts from those days is that with age the values may have slipped which will have far more impact on the sound than the construction of the components when new. I guess it's deciding what tradeoffs to make.
I went a little way down this rabbit hole in the past. My conclusion was that the Beano sound is ultimately finished by the desk EQ. Bluesbreakers cranked have a lot more high end presence than the final sound on the record. You can hear some of that pure bluesbreaker sound on some of the Peter Green era club bootlegs. On the recordings that sound is rounded off a little.
Great analysis and I agree on all points. I’m measuring all the caps and so far they are still pretty much to spec apart from those silver WIMA 250uf caps
1. Don't use old electrolytics. There's no upside. And don't use ancient out-of-spec film caps, no matter how cool. If they're that far out when you measure them out of circuit with your meter, it's odds on they're stuffed when you put real voltages on them. Just don't risk your project over a piece of 'mojo'.
2. The power transformer (mains transformer) is the beating heart of the power supply. It has HUGE impact on the final sound of the amp. The power supply is to the signal as the canvas is to the paint.[EDIT] The power supply is even more important to this amp, where the limitations of the power supply are one of the key character-defining features of the amp. [END EDIT]
Amazing comment thanks
what a fantastic video have you enjoyed playing guitar Ramon have a good weekend ❤❤❤❤❤❤❤❤😊😊😊😊😊😊😊😊😊
Thanks Amin
Welp, I'm subscribing. The first amp that I built was a 5E3 clone, and then I decided to take on making a HiWatt DR103 out of the recoverable remains of a very butchered Sound City 120 mk4. The guy I built it for loves it. And I have got to say, its a killer amp. Very huge and clean. I got to play with some of these same old components like Original Partridge Transformers and mustard caps. It was pretty cool. A JTM 45 is my next circuit. and I think I'm going to try to fit it into a HotRod Deluxe Chassis.
Thanks man! nice plans you have!
Jim and Ken used to tell me about the lashups in Hanwell and how they loved and worshipped everything Leo and the Doc the inventors of amps did
Thanks boss
Cool, good luck with your project Ramon!
Thank you John
@@TheGuitarShowNo worries Ramon, and l hope your '45 turns out splendidly! Looking forward to hearing the results!
Following 👍🏼
Thanks
(snippet from Premier Guitar, and excellent article on this amp)
"Some vintage gear carries the patina of both age and history. That’s the case with this month’s featured amp: a 1964 Marshall JTM45 4x10 combo that was owned and played by Peter Green during his years with Fleetwood Mac, and potentially with John Mayall’s Bluesbreakers."
(end)
Are you going to use the 4 x 10" ceramic magnet speakers as was used in the original? My amp tech bud said he preferred the sound of heir 10" speakers with ceramic magnets to the older ones with AlNiCo magnets. Since you are going for that sound, it seems using the correct speakers are the most important components - no?
Thanks for the heads up David
This should be a challenge!
Ill keep you updated!
I would recommend you use modern electrolytics. Those old caps are certainly not going to perform like they would have back in the 1960's when Peter was using his JTM45. One could argue that a modern cap will bring the amp closer to the original sound from the Bluesbreakers. Not to mention the reliability dangers of using old electrolytics. A modern diode would also be a safer choice. Your big ticket items for the sound are going to be in that output transformer, coupling caps, & resistors. If you are planning on using the old WIMA's as a coupling cap to block DC voltage between stages then I would make sure to test that the caps are not leaking. Old WIMA's can be problematic. The mustards are pretty much always good as are the old Lemco mica's.
Many thanks for the comment and i whole heartedly agree with all you said . Yes the WIMA caps drift like anything so probably are leaking. Thanks RE the diode
How is the build coming along Ramon✌️🏴
Cool! Nice job i am curious Wath do you think about the modern Blues Breakers Marshall reissue?
Very interesting project, hope it all works out. Please tho, sort out the focus issue, it would have been nice to have seen the nos components shown in original wrapping in sharp focus, sadly that didn’t happen.
Thanks and yes you’re right about the focus! My bad
Be very wary of the pink wire that has a tolerance of +/- 10% lol
Okay thanks lol
Utter lunacy 😱……..But work of national importance 😉😁
Thanks bro 🙏
Have you got the large RS pots ? they are period correct and sound better than the AB/CTS pots.
I have built a JTM45 clone and have tried 2 different pairs of EL34 output tubes and both pairs do no sound the same and even the preamp tube using different brands do not sound the same.
That's what is so interesting about these amps
What about the Clapton knobs?
You know it! There's some repros available in the US
Very curious what head shell you will be using!
I will try to get it built here in the UK
@@TheGuitarShowIf it fails Tube Town in Germany can build you anything you want, to a very high standard.
George from metro isn't dealing in vintage amp builds/parts anymore, hate to say it but you long missed your calling on building this with proper parts, those mustard caps don't look original, well after seeing some of you parts i guess the thing you have going for you is your across the pond & you can pull some of those vintage parts from as you called them Hifi's etc..
Ah - I have a young genius tech here in England building it! But thanks for the heads up
I'm assuming your RS output transformer is a repro.
No it's original from the 1960's it's never been used
@@TheGuitarShow Did you say the $ wasn't bad? Care to divulge your source?
If one can score the transformer your set.
Yes I got the Power and Output transformers - both original
What speakers are you going to use?
Alnico Celestions
Does anyone know the amps used on live in Boston?
Fender Dual Showman’s
Wouldn't it be easier just to go out & buy an original vintage amp...🤔
At £12000 it’s a little too expensive for me
Modulus is boasting an RS repro that's conspicuously dirt cheap.
I think they are not bad - made in China