Tweed 5e3 pcb musical instrument amplifier pdf manual download. My idea was to build a tube amp head for home practice and recording just as small as possible, but with the usual amp design. This page lists all amp models types in the current amp modelers, with brief additional information. Schematics and layout diagrams vintage fender amp repair. If you would like this kit assembled for you by one of our techs, you can email your request here. The heart of the amp is the tweed 5e3 pcb, which conveniently lays out the circuit in a. View and download robertson tweed 5e3 pcb build manual online. Randall 50100 watt head pre amp layout randall 50100 watt head power amp layout. Hoffman ac30 hoffman 6g15 reverb unit 18 watt stout tmb build info and pictures are here i had modded a 60s vintage dynaco sca35 tube integrated amp and done a bit of amp thats not even half as loud as a 15 watt kustom valve amp we have. But they include only the most basic assembly instructions, so if you dont understand electronics it would be a poor choice imo.
The formula 5f6 adds vintage tweed bassman response to our range of foundation. Besides being a popular and important amplifier in its own right, the bassman also became the foundation on which. The previous version of the bassman 5f6 had a 25uf25v bypass cap on the second tube 12ax7 across the 820 ohm cathode resistor. The schematic is the same as that for the 2040 artiste amp.
Build the worldfamous tweed bassman 5f6 guitar amplifier. They have been revived in boutique, handbuilt modern assemblies with improved components and design elements. You can scroll through the images above using the image scroll controls. Building a kit is also a great way to boost your understanding of electronic theory and tube amplification. I made the cabinet from pine board bought at home depot.
A 470k resistor was added on the back of the cap board as a bleeder for the power caps. I have a few questions for those of you old enough to remember them. Webers 5e6a and 5f6a amp kits replicate the fender tweed bassman circuits from 195557 5e6a and 19581960 5f6a. This is my 5th weber build and it is handsdown my absolute favorite. Almost any amp that boasts a blackface tone will use elements from the twin reverbs preamp stage, especially if it includes a midrange control. Richard kuehnel, circuit analysis of a legendary tube amplifier. For a first amplifier build you should consider a kit because it can be difficult to source all the correct components and.
Different speaker configurations are also available upon request. Ive had mercury magnetic transformers sitting around for over 3 years and i think im finally getting around to building this amp. We at ceriatone would be happy to serve your needs, whether you are a diyer, an amp shop, or. Be aware that while supro didnt list the supply voltage on the schematic its in the lower butthe 1606 circuit is super simple and wired on one terminal strip. Its about as simple a circuit as youll ever find with a single volume control, but packed with a lot of tone and the traditional snotty attitude. What is the basic difference between the 5f6 and the 5f6a. Mojotones tweed bassman style amp is based on the late 50s 5f6a circuit which. This document is the manual of 2x90w stereo tube power amplifier with el34, model k4040 by velleman. I wanted to share with you my recently finished bassman amp project. This circuit is a tube powered amplifier which is used as a bass guitar amplifier.
As good or better than any other amp of this type that ive tried and ive tried quite a few. I built a 5f6a about this time last year and that was purchased by a guy that i am hiring to build custom hardwood cabinets every so often for me. These classic vacuum tube amps from 1959 are often the first choice of todays awardwinning guitarists and professional musicians. Thank you for visiting ceriatone, home of quality and affordable guitar tube amplifier. Its a very simple amp compared to the vibroverb above. I took the plunge a few years ago and ordered a 35watt 5e3p proluxe amplifier kit. I use only american made electrolytic capacitors and components. Help chosing first bass amp build telecaster guitar forum. Including tweed covered solid pine narrow panel cabinet, carbon composition and metal oxide resisters, high quality tubes, tad electrolytics and o. For a first amplifier build you should consider a kit because it can be difficult to source all the correct components and shipping charges from multiple vendors can add up. These amps had 2 channels with each a volume control and two inputs making a. Jmp81sc, i like your idea of building a 2x10 to go with the head. Desperate to build a factory large enough to meet demand, jim marshall made a deal with the rose morris company.
The head amp was also available seperately as model 2048. Schematics, building info and projects for guitar tube amps. If you are passionate about music and you want to fine tune the sound of your electric guitar you will probably need a personalised amplifier. The overall goal i had for this project was to make a fender bassman thats a bit cleaner in order to be a.
To be notified of examples of this or any other model in the future, please email your specific requests to email protected. Mojotones tweed bassman style amp is based on the late 50s 5f6 a circuit. Tube amp schematics, tube amp information, tube amp projects. These are invaluable reference tools if you are digging around inside of your vintage fender amplifier. The fender bassman is a bass amplifier introduced by fender during 1952. Fender bassman 5f6a tube amplifier schematic design. Boutique builders choice, samwha filter capacitors, polyester coupling capacitors, stackpole and little demon carbon comp resistors, 22uf. Also, youll notice that just about every other fender amp has grid stopper resistors on the grids of the power tubes. I recently built a cab that has both as 2x10 and 1x12 baffle, which i really like, so i figured i could use that cab. Cabinet is made from puriri woodcarbon fibre shell. While the industry was doing its best to move the format forward or to convince the ampbuying public that that was what it was doing, at least one great artist after another was discovering the unmitigated glory of a cranked 5f6a bassman, and the way that one of these roughedged old bass amps from the late 50s could sing like sweet hellfire when you injected a good six.
His amp had metal film resistors, my new amp has carbon comps. The champster is based on the very popular 5f1 champ circuit and had been used on countless classic recordings. These amps were built as heads or tops separated from the speaker cabinets. In some cases you need to have major fabrication skills to build these projects. Tube amplifier category electronic circuit diagram. I build each one of these amps by hand using a hand built garolite eyelet circuit board and point to point wiring. For pricing and hold status of this instrument, please check here. Those with just treble and bass will lean more deluxe reverb, but they are largely similar otherwisethe deluxe generating. You might like this if you add it to the 5f6a circuit. These amps were build this way to save a bit of wire and to save time in production. I also recommend you study factory built examples of the amp you plan to build so you know what your amp should look like.
These 40 watt amps are known for their bold and pristine clean sound as well as their classic unmistakeable dirt. This amp uses the fender 5e3 tweed deluxe preamp and the fender 5e5a pro power amp to create a very powerful but still tweedy amp. The information applies to the axefx ii series and ax8 as well for the most part. As a spring project i decided to build him a fender bassman 5f6 amp. They were cranking out inexpensive amps and wanted to cuts costs. I would do a dc heater in a new construction but, in general, i dont convert old amp heater circuits to dc. Build the classic 5f1 tweed amp with this excellent chassis kit. I am going to put all 3 side by side and analyze them closely. Please go to the hoffman amp forum for technical questions. The resulting proluxe is a classic all tube including tube rectifier guitar amp using. Features quality heavygauge steel, welded, chromeplated, white silkscreen lettered chassis. Free pdf download of how to motivate piano students with 5 notes the blues pentascale in all keys by jerald simon music motivation. I have a ri ltd relic i bought from a builder almost a year ago. I built a pair of fairly large 1x12 cabs i used with another amp but im thinking i might cut new baffles for them once i get a head built.
None of the amp books i have delve deep enough into how the circuits actually work looks like. If this instrument does not appear on the instruments page it has been sold. Offering a complete line of guitar and amplifier products, specializing in vintage pre1980 reproduction cabinets and exact replacement components. The model one guitar amp is my interpretation of the late 50s tweed princeton. They have been revived in boutique, handbuilt modern assemblies with. We manufacture and internationally distribute our own custom wound pickups as well as custom amplifier and speaker cabinets right here in burgaw, north carolina. Download the blackvibe pdf here and the diylc file here. I have a 59 bassman which is based on the 5f6a circuit. Im thinking about a 2x10 with weber california 10s paper dust caps and a 1x15 with either a weber michigan 15, ev sro 15 or evm15l. Love this amp, smooth butter tone at mid level, and crunch all day long at max volume. Many of the amp models are featured in factory presets. The overall goal i had for this project was to make a fender bassman thats a bit cleaner in order to be a pedal platform amp.
We believe that this is the most complete, highest resolutio. This circuit was featured in the 4 x 10 tweed bassman amplifier combos manufactured by the fender electric instrument company from 1957 1959, and is universally recognized as one of the greatest guitar amplifiers. Mojotone is the only one im aware of that offers a 50watt bass amp head fwiw the 5f6a fender is a much better guitar amp than bass amp, and the ab763 extremely complicated for aa beginner. He played it for awhile and then striped the pcb and went with a mojo eyelet board and 5f6a circuit. Some of the web sites ive been to dont really spell out things clearly. The tweed royal output section has a power amp that can switch between a single 6v6 tube, biased in class a, in a single end s. This kit must be shipped with signature required for delivery. Yeks guide to the fractal audio amplifier models provides in. Marshall super lead 1959, the classic plexi amp head that gave 5f6a circuit, bass and normal channel, high and low input, 6l6, tweed era. The fender bassman 5f6a, 3rd edition by richard kuehnel i am thinking of ordering it and was hoping to get some comment from anybody that may already have it. The document in pdf version contain of schematic diagram, part list, component guide, step by step how to build the circuit. If you are using it exclusively for bass, i would make some changes in the power supply.