The ceriatone jtm45 is yet another amplifier drenched in vintage blues, blues rock, classic rock, and aboutanythingyouwanttothrowatit goodness. When it comes to output transformers for the jtm45 amp. This video shows stepbystep instructions to display a pdf file with siemens wincc comfortadvanced software pdf view control. The voltage will change a little as you adjust the bias current so check it a few times and recalculate as needed. Jtm45 ri schematic marshall jtm45 the marshall jtm45 reissue is a great sounding amp. Build your own clone classic brit 45 kit instructions. The classic brit 45 comes with everything you need to build a pointtopoint, handwired version of the original marshall jtm45. This amp was made in 1962, not quite in the first 200 but close, made in late 1962 this amp was hand built by jim marshall himself, then later modified by jim as well. For many, the jtm45 is a deserted island amplifier.
The fender bassman used a 12ay7 as the input tube but the jtm45 was fitted with a. The list is roughly in the order you will need the parts. A a germino amplification classic 45 greg germino is another lifelong guitarist who was bitten by the tubeamp bug after catching the allman brothers band back in 1972. Discussion in the workbench started by smokestackelropo, aug 2, 2012. The jtm45bluesbreaker is one the most talked about and loved vintage amps. Transformers should always be installed by a professional electronics technician since there are high voltages involved and may result in serious physical harm to yourself, the transformer andor your equipment if installed incorrectly. Read each section carefully, adjust the quantities if needed. Read these safety precautions before continuing all tube.
Naval sea systems command home supsalv 00c3 diving. Tube amplifiers contain high voltage that can cause injury and even death. See the plexi palace jtm45 page for some great jtm45 pictures. A a nearly 50 years since its creation, the marshall jtm45 remains both a relevant and nearperfect example of what a great rock n roll tube amp should be. Marshall metal and block logo jtm45 amp heads,combos and cabs. Legendary tones marshall jtm45 reissue modification. The fender bassman used a 12ay7 as the input tube, but the jtm45 was fitted with a 12ax7ecc83, which has higher gain. I do not remember the name of the builder nor do i know if it was a kit. The very first marshall style amp, made back in 1962, was the jtm45.
In 1987 the silver jubilee year it was produced in silver vinyl and a chrome face plate. Seamless transition from clean to overdriven tones. Marshall jtm 45 style faceplate set front back 5252101. Open to trannie suggestions but leaning towards the heyboer with metro specs for the pt and ot.
It is pre drilled with 8 rows of 27 holes which makes it perfect for marshall jtm45 style projects. Apr 21, 2009 to celebrate the jtm45, i got together with my sunday afternoon amp group, after contacting a handful of respected amp builders who sent us their versions of the amp. Triode, usa customer service mf 9am4pm ct 18007743201 email us anytime. Marshall bluesbreaker reissue 45w 1962 schematic marshall class 5. The 19651967 marshall super 100 amplifier aka jtm45100. Jul 28, 2016 hi john tuggle, i really like your videos and teaching style and will purchase some dvds soon. You may need to lightly sand the back of the potentiometers to be. Nearly 600v plate on the tubes and above 550v at the g2 of the tubes kt66. Limited edition offset amplifier and matching 4x12 cabinet. Brushed gold with black text front engraved default choice brushed silver black text front engraved gold plexi black text rear engraved white black text front engraved. Marshall handwired series 2245thw head and 1960ahw cabinet 2245thw prices. Claptons untouchable playing with the bluesbreakers, angus and malcom young grinding out acdcs early records, gary moore, joe perry on recent tours and countless others prove why this amp really is the cream of the crop. A check list for the parts you need for your jtm45 build.
Now they shall seek no more, thanks to this meticulously accurate reissue. Marshall amp heaven schematics jtm45 jcm50 jcm600 jcm. Transformer marshall, power, for jtm30, 30 w antique. Build your own clone classic brit 45 kit instructions revision 1. Marshall handwired series 2245thw head and 1960ahw cabinet. Its basically just a blues thing in c, clean first and then using the byoc tube screamer. The ceriatone jtm45 is yet another amplifier drenched in vintage blues, blues rock. The latest of their true reissues is the 2245thw thats based on the jtm45 head with tremolo and just happens to be identical to the circuit of the muchballyhooed 1962hw bluesbreaker combo. British style jtm45 faceplate suitable for marshall brand amplifiers to be used with the british style jtm45 chassis suitable for marshall brand amplifiers. Since i cant afford a real or reissue jtm45, im considering buying a kit and and a few more mods are listed in their instruction manual that i added as well. Marshall used drake transformers output and power and a drake choke in the jtm45100. Well, you are not going to get the classic marshall brown sound. Universal 100, 110, 120, 200, 220,230, 240 vac 5060 hz. See how to use builtin system functions assigned to buttons to.
British style jtm45 faceplate suitable for marshall brand. I dont think there was ever an original not a reissue jtm45 that had el34s. Listed almost 6 years ago by mitchell s gear depot. Faceplate reserves the right to reject letters or edit them for clarity, brevity, good taste and accuracy, and to prevent libel.
You will require adobe acrobat pdf reader to view these schematics. Jtm45 phenolic turret boardpredrilled brown modulus. Decided to try building a jtm45 using parts from valvestorm. Marshall amplification jtm45 user manual pdf download. This is a quick demo i rustled up, lots of mistakes, i suck when i know i am being filmed. How to display a pdf file on a siemens comfort panel hmi. Mar 01, 2007 this is a quick demo i rustled up, lots of mistakes, i suck when i know i am being filmed. Paul added that the axiom o45jtc is a custom version output using teflon wire instead of the normal ul1015 vinyl wire. The jcm800 is treble sounding but cranked its the marshall tone. My lpv is 399vdc, most of the numbers i see are up in the 445480 volt. Marshall metal logo jtm45 amp heads,early production mk2. And like all of our kits, we dont just hand you a schematic and wiring diagram and throw you to t. After the offcenter prototype came the first production jtm45 amp heads, the first 40 made had a full white vynair cloth fronts with smooth black tolex,metal logo,rs transformers, large black choke, leather handle and black pitched top bulgin knobs. Marshall handwired series 2245thw head and 1960ahw.
Jtm45 reissue manual the very first marshall amp, made back in 1962, was the jtm45. Now the classic jtm45 is accessible to all who enjoy its glassy, clean tone and fluid, warm sustain. The mix resistors mix both channels together after the first triode sections were originally 270k ohm on the early models. Do not attempt to do anything to your amp while it is plugged in other than take voltage readings as. We fired them all up alongside an original and a reissue jtm45 to take a listenand to enjoy one of the best amps ever designed. The very first marshall amp, made back in 1962, was the jtm45. By including gz34 valve rectification, as found in the original, marshall has ensured a faithful. It was an instant hit and launched a whole new generation of groundbreaking guitar players and sounds. I wouldnt take much to set the jtm45 schematic and jtm50 schematic. Jtm45 style front faceplate select your colour modulus. The way the rectifier interacts with the other valves causes subtle harmonics to shift and smoulder beneath every note, producing the unmistakable, original, and much emulated marshall sound. I decided to do a jtm45 clone this time around as i needed a really good clean amp that would take pedals nicely. So trying out settings and different tubes, not a performance video, just listening to the amp make noisespeakers are green backs. In the fall of 1962 the marshall jtm45, which is based on the fender 5f6a, saw the light of the day.
You can pretty much get the gist of how i build amps from my other blogs so i am not going to do a painful step by step. Are there any options to the kit that i should consider. It was an instant hit and launched a whole new generation of groundbreaking guitar players. Aug 31, 2014 so trying out settings and different tubes, not a performance video, just listening to the amp make noisespeakers are green backs.
Please use extreme caution and common sense when building this kit. Howdy yall im in the middle of biasing my almost new jtm45 and swithing to valve art kt66s. Add jtm black flag faceplate for jtm45 chassis to cart. Jtm45 amp build you can pretty much get the gist of how i build amps from my other blogs so i am not going to do a painful step by step. Like their predecessors, t hese amps had aluminium chassis, jtm45 faceplate, and the white super 100 amplifier back panel. This is a great output transformer for jtm45 style amps. I do not remember the name of the builder nor do i.
He was so inspired by that show that he switched over from acoustic to electric guitar and began taking. The voltage changes the tone and the use of the drake output transformer make them sound different to the normal jtm45. The marshall jtm45 amp head is a lovingly created reproduction of jim marshalls first amplifier. Marshall jtm45 mk i june 9, 2011 november 30, 2017 admin 2 comments. It is also great for general replacement, new oem amplifier builds and d. The required quantities are shown next to the default items. The option is to get a marshall 1987x but it is loud. However, on the last of these amps the aluminium chassis was strengthened by block ends cast in aluminium also found on late jtm45s. Dont be fooled by other jtm45 kits that use el34 tubes. Viewing this brief history of the marshall amps, several eras can be. It was gz34 rectification that was the key to the jtm45s sound, and this is a feature painstakingly reproduced in this reissue. Marshall heaven schematics shown in blue are missing from the archive. After the offcenter prototype came the first production jtm45 amp heads, the first 40 made had a full white vynair cloth fronts with smooth black tolex,metal logo,rs transformers, large black choke. A great paper layer wound output transformer with 8k ohm primary for use with kt66 tubes.497 758 978 679 1181 1031 1081 1114 1044 910 313 513 1038 1599 562 1261 919 363 1413 492 324 1188 745 900 471 144 1128 1271 1140 1387 883 848 1405 316 609