Mojotones tweed princeton style amp is based on the classic 5f2a circuit which was introduced in 1957 and is the most widely known princeton circuit. Leo used whatever shelf stock would work on these amps. Am i missing something not having a 5e3 page 2 fender. This is probably why my 5f2a tweed princeton clone had a audio hernia sometimes, not enough attenuation. Schematic diagram for the fender princeton model 5f2a guitar amplifier created date. We would like for you to read the following information so you are aware of some of the issues involved with building an amp kit. In all my years of wasted time on here and a few other amp forums, i see very little mention of the tweed princeton. This way i can put only the important changes on the main welcome page. Some do like to use an audio taper pot for the treble control too, though the schematic usually calls for a linear. Homemade 5f2a tweed princeton amp, first build the tone rooms.
Mar, 20 big 1959 box princeton, small box princeton 5e2 is the same size as a big box champ, and a 1959 tweed champ at the end. Everyday 10 tweed champ 5f1s, and another 20 5e3 tweed deluxe amps clones are probably built. Thank you for your interest in weber amplifier kits. Weber is still the best price for a complete kit, but theres no support. Handmade fender champ princeton clone 5f1 5f2a 10 inch. This project is based on a fender princeton circuit, retro. No other company has produced so many great sounding, well built and reliable amps. I would recommend metering the pots to make sure none are below the stated value. With a quick look, its obvious the tweedle dee is not your typical overtone. The tiny amp 1l packs an impressive punch for its size.
The champ had the lowest power output and the simplest circuit for all of the fender tube amps. If you would like this kit assembled for you by one of our techs, you can email your request here. Discussion in amps and cabs started by sciflyer, jan 1, 2018. If you have a regular trusted amp tech locally, they could probably confirm this all in a few minutes safely and may not even charge you or like maybe 30 minute minimum and check the rest of the amp out in the process to catch little problems before they get bigger. Weber is still the best price for a complete kit, but theres no. What can you tell me about the historical patent markings that appear on some of your products. We have a huge schematics inventory, projects section and forum. I thought i would start with a 5f2a fender princeton, since that circuit was the basis for descriptions of how each section of an amplifier works. Now i have a glorious princeton tweed amp housed in an empy vox. The fender champ was a guitar amplifier made by fender. In spectroscopy mode, it delivers 10, 000 spectra per second with sustained frame rate. Tim, from what i read about the tweed era singleended amps, fender did not request special windings on the power or output trannies. These pages are dedicated to the greatest amplifiers ever made. Fender forums view topic planning stage of building an.
Tweed princeton 5f2a based build discussion in ampscabs tech corner. It worked fine, and it lights up as you play louder, which amuses my simple mind no end i can recommend a 5f2a build if you want something smallish, lots of fun to be had with them, very simple and very modable. I used the fender schematic and the weber layout drawing for reference. Original fender princeton tweed now some tube talk. The princeton 5f2a is no exception and the achillies replica, which is as. We provide a layout and a schematic on the technical details tab, but we do not include step by step assembly instructions. Big 1959 box princeton, small box princeton 5e2 is the same size as a big box champ, and a 1959 tweed champ at the end. Fender amp heaven schematics tweed blackface brownface. I did the lightbulb trick on a tweed princeton build i did, made it switchable. Prowess amplifiers fender schematics princeton 5b2. An easy to use twist bezel turns the light on and also avoids accidental activation in your pack.
One of my favorite mods for the feedback circuit was designed around a few tweed fender amplifiers. Hoffman amplifiers turret board order page watch this shopping cart tips video hand wired point to point turret boards note that these are hoffman layouts, not original amp layouts the layout diagrams, schematics and other info for hoffman boards is on the library page here make sure you look at all the info on the link above first. Ive upgraded the coupling capacitors to sprague orange drop 715p series, upgraded the tone control capacitors to sprague and silver mica. I subbed some components and hardware, which is just personal preference. Ive completed a recent build of a 5f2a tweed princeton kit. Single ended class a design, using a ruby tubes 6v6 to produce 5 watts of tube power. Homemade 5f2a tweed princeton amp, first build the tone. My on line diy layout creator file analyzer program is here. How to build 6v6 boutique tube guitar amp start to finish. Some amps have the 1m before the 68k on the input jack side instead of the 12ax7 grid side so it is not a voltage divider at all. Has had a cap job before i got it and a i believe webber speaker installed and 3 prong cord.
In fact, the only similarity continue reading overtone tweedle dee. Ive also rebiased the preamp tube cooler to give the amp a typical fender tweed clean tone. The circuit is tweaked in a number of important areas to improve the performance. I added a change logto the main menu near the bottom to keep everyone posted on recently updated pages. They are available for free download to help you with your amplifier repair and modifications. That being said, we thought it was such a great sounding amplifier that we had no choice but to add it to our lineup. Its volume pot is sitting between the first and the second amplifier stage. An updated version was introduced in 2006 as part of the vintage modified line. I noticed its on the pictorial view but not on the schematic. It was a 5 watt class a amp with a 5y3 rectifier, a 12ax7 and a single 6v6. This is essentially sameas what the 5e2 princeton and 5d2 princeton did. The champ 5e1, 5f1, harvard 6g10, and princeton 5e23, 5f2, 5f2a amplifiers of this era were all similar electronically, and contained a feed back circuit shown below, complete with my modification suggestion installed.
Every component has to be initialized before usage. Homemade 5f2a tweed princeton amp, first build page 3. How can i find out when my old fender banjo was manufactured. The pimax 4 achieves video frame rate at full resolution and 300 fps with reduced resolution and binning. This manual provides instruction for the assembly of version 3. Princetonchamp diy builds have been done many times, but now that ive built my own, i can see, and hear why so many people like having at least one of these around. Fender 65 princeton reverb guitar combo amp a historically significant amp used on countless hit songs for decades. Tube amp schematics, tube amp information, tube amp projects. Fender princeton 5f2 schematic fender princeton 5f2a schematic fender princeton 6g2 schematic fender princeton schematic fender. The tweedle dee is probably the black sheep of our ots series. Handmade tweed princeton clone using the 5f2a schematic, which is essentially a 5f1 fender champ with an added tone control. The pimax 4 has the ability to capture a gated image or spectrum for every pulse from highrepetitionrate lasers. For some reason the princeton does not seem as popular. Its clean tone is exceptional and when lightly overdriven sounds wonderful but push the amp too hard and all those low frequencies running through the amp wreck.
The multitap primary power transformer now comes standard, and works with 110, 120, 220, 230, and 240 wall voltages. I build a tweed princeton not from a kit as a 2x10 and its killer. The fender princeton adapted for use as a distortion stompbox. A 5e3 is on my list for sure as i really think i would enjoy exploring what those three knobs and four inputs can do. In order to use the software library a stack of components has to be built up from bottom bal to top al layer. The fender 5e3 deluxe is beautifully voiced with rich overtones and a full bodied if not lose bottom end. Transceiver software design guide for nxprdlib eeweb. I dont see it on the schematic and it probably shouldnt be there. Mojotones tweed princeton style amp is based on the classic 5f2a circuit. Here is our collection of tweed and brown face era fender guitar amp schematics. This circuit is modeled after the 59 fender tweed deluxe 5e3 amplifier. Most others have r1 at 1meg, so it is not much of an attenuator. So its most likely a virtual ground used to eliminate hum so it may be good to ground that loose end when you get around to it.
The circuit we chose is the 5f2a princeton, one of the socalled narrow panel amps. Propellerhead software today announced that rebirth a virtual studio. Here, weve removed the bypass capacitors in the same way that we removed the filter caps. Most princeton amps of this period, that ive worked on, had triad pts. Its possible to voice one of the 5f6as channels with a more modern, tight, marshall lead style tone. The schematic and the book shows both an 8 and a 10 speaker in the cabinet. The champ had only one power tube, and the power stage circuit is. Rehouse a tweed princeton or build a kit from mojotone into a 2x10 or 1x12. Because there is no inherent right or wrong amp, the suitability of the end gadget will depend on your personal taste and the tuning of the ear.
Fig 2 shows the various elements to build up a full software stack on the pc site for contactless card communication. Discussion in ampage area started by staggerlee, jan 15. The heart of the amp is the tweed 5e3 pcb, which conveniently lays out the circuit in a printed circuit board, pcb, package. Princeton woodie 5b2 5c2 5d2 5e2 5f2 5f2a 6g2 6g2a aa964 cbs princeton princeton reverb aa1164 gz34 aa1164 5u4gb b1270 7879 volboost princeton rev ii pro woodie pro 1946 5a5 5b5 5c5 5d5 5e5 5e5a 5e5b 5g5 6g5 6g5a aa763 ab763 pro reverb aa165 aa270 aa1009 aa1069 aa1265 ab668 ultralinear cbs 45w mstrvol cbs 70w mstrvol ps series ps160. It has been replaced by the wattkins universal pcb which is essentially the same pcb but with many added features. I had just a look on the schematic of the valve junior. Mar 20, 2019 i recently got a 5f2a princeton tweed handwired clone and it really is something special, especially if it fits your playing style. Homemade 5f2a tweed princeton amp, first build page 3 the. Remember, the only difference between the 5f6a normal and bright channels is the bright cap on the bright volume pot which bypasses high freqs around the volume pot at low volume levels. I decided to place this circuit inside separate box that can be used with other similar amps. Prowess amplifiers offers resources for the guitar tube amplifier builder. These 40 watt amps are known for their bold and pristine clean sound as well as their classic unmistakeable dirt. Mojotones tweed bassman style amp is based on the late 50s 5f6a circuit.
The tweed princeton is extremely nice sounding with an old sylvania preamp tube and rca 6v6. It was introduced in 1948 and discontinued in 1982. Note that the 5f1 champ and 5f2a princeton boards are the same board there are a few parts differences, but the board layout is the same the 5f2a princeton has a tone pot and the 5f1 champ does not top of page. The tweed princeton is extremely nice sounding with an. For power tube i got some nos reflektor 6p6s or cyrillic 6. If you see anything ive said here that might be inaccurate or wrong, please let me know so i can correct it.
Now i have a glorious princeton tweed amp housed in an empy. Quality guitar amplifiers are designed to precisely reproduce sound while maintaining a clean and accurate tone. Jan 01, 2018 using 2 amps at once amp to pair with a princeton. The higher the gain of an amplifier the more critical its voicing becomes. Prolly why tweed era amps had several manufacturers of iron. Waterproof to 100m and equipped with a large carabiner loop, this handheld light is always at the ready. 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. Included in the guide are descriptions, pictures, schematics and other fendercentric information.