Vox recently unveiled its tonelab direct recording device and in doing so is competing head to head with a veritable range of other directrecording modeling devices. They also produced slightly revised versions of the solid state vox amps introduced by jmi in 1967. I was looking at the schematic the other day and wondering if it would be practical to run the normal channels. Schematic for the cathode biased vox ac80100, thomas organ service manual parts list. By clicking on the image you get an pdf file, which can be zoomed in.
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. Ac series ac4 1960 ac10 1960 ac10 1960b ac10 tube layout diagram 1960. In 2004, vox created the custom classic series, and production was moved to china at some point thereafter. But i took a look at the schematic and i am impressed at what vox has done. This is the schematic diagram for the vox ac4 amplifier. I would like to replace some of the tubes and need some advice. I repair and mod tube amps in my area and would like to share what i have found on the ac15c1 that others might find helpful. Check out the ultimate showdown between amp software and real amps and learn the 15 best amp sims available in 2020. I have never played a 60s vox and probably never will so i dont know how they stack up. Bought the ac10c1 really because i havent had much exposure to vox amps and wanted something really portable but with good tube tone. I looked at the schematic and see diodes but they appear to be isolated individually in three or four.
It also has the standard twochannel top boost and normal vox setup, so you can pump truly cutting trebles through the mix. The vox tradition of innovation carries on today with products designed to achieve unprecedented tonal flexibility. Please chime in on my ac10 build telecaster guitar forum. Super rare and super cool late 1964 jmi vox ac10 super reverb twin with matching 2. Schematics for jennings musical industries jmi, vox sound equipment limited vsel, and vox sound limited vsl solid state amplifiers.
This site is run by unpaid, volunteer moderators, some of which have commercial interests in the guitar amplification business. Many musicians have a preference, but lets talk about some of the key differences between these. The book includes the schematic and the layout for the ac10, as well as component values. Vox mini3 g2 3watt battery powered modeling combo guitar. Pictures of surviving amps, from the vox ac80 100 to the final iteration of the ac100 mk 2. The schematic is based on the schematics of martin winterfeld, the fxloop is taken from merlin blencowes book designing tube preamps for guitar and bass. Note that there is a limit to the number of files you can download. Please chime in on my ac10 build discussion in shock brothers diy amps started by mishagolin, feb 9, 2015. The vox valvetronix amp designed by korg, who now own title to the vox name is a modelling amplifier with a difference instead of trying to use digital modelling to emulate absolutely every aspect of the sound, the designers have instead created a hybrid of a conventional guitar stage amplifier and a modelling amplifier. Overall in mostly original condition with the exception of some replaced caps and the reverb tank out of the head original included. Ac100 amp schematic joe piazza check out the vox showroom for more historic information on the vox amps.
Over the past several gigs, ive really gotten comfortable using this amp. Always use a nonscreened vox approved speaker lead with the ac10c1 amplifier and external cabi nets. Free vox diagrams, schematics, service manuals schematics. Buy a high quality custom amp cover for your vox equipment. Vox ac10c1 the vox ac10c1 was a single input, single channel design with four tubes. And those 30 watts will go a long way because it pumps it through two 12inch celestion g12m speakers. Engineers guide to the vox ac30 valve amplifier in the mail today.
Due to coronavirus covid19 we have limited staff working on location. We recommend uninstalling the vox 2ch audio driver when using the target vox product with nonasio driver mode or generalpurpose asio driver. Much later, hellsoftware was developed for other operating systems such as ios and android. Thats certainly the case for vox, which was born with the release of the ac115 in 1958 the result of lots of hard work by dick denney and his talented crew. Vox ac10 10w 1x10 tube guitar combo amp musicians friend. Mind you i have done something similar with one less tube to another classic circuit. Go beyond the realm of previous modeling amps with the new vox tone room editing software that lets you customize the existing amps and effects yourself, or create your own. Brand new items are sold by an authorized dealer or original builder and. Schematics the schematics below come from the service manual pictured above, issued by thomas organ in september 1967.
Service manual vox ac100cph schematic heaven, tube books. My local music stores selection is not great, they dont even have vox amps. Vox ac100 schematic vox ac10 1 schematic vox ac10 2 schematic vox ac10tube schematic vox ac120 schematic vox ac15 1959 schematic vox ac15 1960 schematic. The vox vfs2a guitar footswitch is made especially for vox amps.
The vox showroom vox valvetronix tonelab le effects. Schematic diagram package for jmi era vox ac50 and ac100. The new stomplab series shattering expectations for compact multieffect units for guitar and bass. Although the first schematic for the new amp os044 bears no date, it seems reasonable to assume that the circuit was pretty much settled by late september. Vox 2ch audio driver may not work on some pcs, and it may prevent some applications from working properly. Vox is a musical equipment manufacturer founded in 1957 by thomas walter jennings in dartford, kent, england. Free electronics schematic diagrams downloads, electronics cad software, electronics circuit and wiring diagrams, guitar wiring diagrams, tube amplifier schematics, electronics repair manuals, amplifier layout diagrams,pcb software for making printed circuit boards, amplifier design software cad for drawing circuit diagrams free download. A schematic was included by thomas organ in its repair dossiers, along with a parts list and schematics of the cathode biased ac80 100 and the newer ac100 mark 2 the ac1002 with brimistor see this page. The china ac10 my friend scott has is complete garbage it died in one hour of use the real vox ac10 used two 10 silver back speakers i have only played one in my life they are rare and open back. A complete history of vox ac30 is a story for another day, but korg bought vox in the early 90s and these reissues became some of the most consistent, well puttogether, and sought after versions of the amplifier. First off i will say that they did the amp a good deed by using the lnd150 as the mosfet in this amp.
Computer to rig interfacing you dont need to buy an. Vox ac 10c1 lesson for the upgrader gretschtalk forum. The fixed bias amps ran much much cooler than the ac80100s, even if the bias was well on the low side for the el34s. Here is a list of the schematics that are exclusive to this site. Part numbers shown above reference to ac100 mkii schematic os167. There is also a huge library of effects and solid state schematics. The higher the gain of an amplifier the more critical its voicing. Get the guaranteed best price on tube combo guitar amplifiers like the vox ac10 10w 1x10 tube guitar combo amp at musicians friend. The foot switch checked out, so we loaded it up and worked on it at the unbroken string lab.
Schematic diagram package for jmi era vox ac50 and ac100 amps 1963. Schematics for the vox ac80100 and vox ac100, thomas organ service manual parts list. Besides the ac100, the other britishmade amps encompassed are. Hoffman plexi50 pdf layout diagram and schematic with hoffman hot switch mod info hoffman plexi50 with hot switch mod pdf bom hookup notes for hoffman boards hoffman board install instructions marshall 50 watt power supply diagram the 100 watt has a unique power supply marshall 100 watt power supply diagram. I just received a copy of a service engineers guide to the vox ac30 valve amplifier in the mail today. Vox ac 10c1 lesson for the upgrader discussion in ampage area started by gretschmen65, jun 16, 2016. The sheets below come from the service manual pictured above, issued by thomas organ in september 1967. It is recommended that all audio cables, with the exception of the speaker lead, used to connect to the ac10c1 are of a high quality, screened type. Get the guaranteed best price on tube guitar amplifier heads like the vox vox heritage ac15htvh 15w head at musicians friend.
All the op has to do is drop the filtering to vox levels replace 32uf caps with 16uf caps and 20uf caps with 16uf or 8uf caps. The list of amp models, cabinet simulators, effects pedals, modulators, delays and reverbs on the tonelab le. The ac120 preamp circuits included four ecc83, two ecc81, and one ecc82 tubes. The schematic of the vox ac80 100, which was issued to paul mccartney at much the same time as john and georges ac50s were issued, is dated 260963. Vox vox heritage ac15htvh 15w head musicians friend. Vox made in england made a ri of the ac15 ef86 heritage the ef86 has a gain factor of 180 a 12ax7 has a gain factor of 100. Vox has even fitted matching ruby tubes to make sure you take full advantage of the entire dynamic range. The company is most famous for making the vox ac30 guitar amplifier, used by the beatles, the rolling stones, the kinks, the yardbirds, queen, dire straits, u2 and radiohead, the vox continental electric organ, the vox wahwah pedal used by jimi hendrix. Tube amp schematics, tube amp information, tube amp projects. The v100 head, a 100 watt, all tube, printed circuit amplifer was introduced by birchstolec as were the first printed board versions of the ac30 and ac50.
Component must be replaced only by the component specified in this list. I play classic rock, blues, jazz and a little modern metal, this amp is versatile enough to cover it all. The ac10 was one of the first amplifiers to bear the vox name and was available only for a short period of time in the early 1960s. Most vox ac series amplifiers are eligible for free shipping. You can doubleclick any component in the tone stack schematic to change its value so its easy to see what happens to the control movements. Various schematic diagrams for the vox venue range line of amplifiers. Tube amp schematics index page there are over 3500 tube amp schematics and other types of schematics in the el34world schematic library. I have 2 channels which i switch back and forth between using a select box footpedal. Kudos to team vox the valvetronix vtx is a fine amplifier.
Its divided in 5 parts so it is computer friendly and for those who want to get it all in one click theres a link to the pdf file at the end of the post. This is a great sounding amp but keep in mind, dont confuse solid state watts for tube watts. They will all attempt to the best of their abilities to not interfere with commercial discussions. Tips and tricks for getting the most out of your vox reverb. The ac 10 and ac 15 power amp stages were so close in design that it would not be unreasonable to conclude that both amps should have been rated at 15 to 17 watts rms. Ac10c1 musical instrument amplifier pdf manual download. Vox tonelab the power of valvetronix but specialized for direct recording. May 18, 2016 marks likenew vox ac30 worked well, except nothing came through the reverb signal path. If you have some stuff that not is listed here you can donate this by contact mods.
A 14 jack on the vfs2a connects the footswitch to vox pathfinder and cambridge amps. This get up in quite clean and sounds absolutely incredible. Schematics and circuit diagrams of old and vintage amplifiers. View and download vox ac10c1 service manual online. Im a fan of adding a vox style cut control which trims high frequencies very late in the amp circuitfrom the power tube input. This is a loud 10 watts so if youre wanting to crank it to get the juice out of the power section tubes, go with the ac 4. Vox ac15c1 sch service manual download, schematics, eeprom. So im thinking i may repurpose the ac100cph taht is a total tank and us the iron and sockets etc to build an old voc ac100 from back in the 60s ive taken a few different ones and looked them over, and found the vox ac100 2 that seems to be a second revision in about 65.
Part number category part name location reference qty 530000001086 chip inductor hh1m2012121 jack pcb fb1,fb5,fb6 3 530000001256 harness shield wire ul2547 3p 115mm jack pcb 2 530000001147 harness 3p wire board in 100mm. We created several and we have redrawn some schematics that were already available on the internet for readability or ease of use these needed an easiertoread format, corrections or part identifiers. I was told that modern vox ac15s and ac30s are crap compared to the ones that the beatles had. With a highquality, durable, allmetal construction, this footswitch will stand up to the rigors of the road, and will stay with you for years to come.
Jmi, vox, ac 100, schematic, beatles collection opensource language english. Jmi further revised the ac 100 circuit several times in 1965 and once again in 1967. Vox amp schematics to assist you with your amplifier repairs and modifications. The vox tradition of innovation carries on today in our. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. Long adored for his ability to achieve rich, articulate tube tone at very manageable volumes, the ac10 has become a highly coveted piece of vox history since its discontinuation in 1965.
A gorgeous amp, built like a tank, sounds sweet, but no reverb. Check out the vox showroom for more historic information on the vox amps. Ac152 amp schematic, os005 jennings, 1959 ac153 amp schematic, oa031 jennings, 1960 ac15 amp schematic, v15 vox ac15 reissue pre amp schematic, ac156002 iss 1 vox, 1996 ac15 reissue power amp schematic, ac156202 iss 1. At best estimate, vox produced about twentytwo hundred ac 100 amps between 1963 and 1969. The book includes the schematic and the layout for the ac10. Get a low price and free shipping on thousands of items. Normal which is my clean channel, and top boost which is my dirty overdrive channel. Images of bands using the amp on stage and in the studio. Its divided in 5 parts so it is computer friendly and for those who want to get it all in one click theres a link to the pdf file at. Those who love the classic tones of 60s and 70s rock hits will want to check out the vintage amp room bundle. Vox diagrams, schematics and service manuals download for free. Vox ac80 100 schematic and other documentation for the schematics drawn up for the 100w amplifier and the ac100 mark 2, see this page. Vox mv50 guitar amplifiers are equipped with an allanalog preamp circuit featuring nutube, a revolutionary new vacuum tube that produces authentic tube tone at a fraction of the size.
Buy your vox mini3 g2 3watt battery powered modeling combo guitar amplifier from sam ash and receive the guaranteed lowest price. Rest your voice think about what youre going to do next. Pepper amp and describes it in exacting detail in his definitive 2012 tome vox amplifiers. The original ac 100 circuit design was documented on jmi factory schematic os036 80 100 watt amplifier, dated 9963. Hi guys, since vox staff thinks theyre still in the 70s and therefore refuse to send the official schematics i decided to reverse engineer mine. Service manual vox vt50 schematic heaven, tube books. Later, it was officially named the vox ac15, and quickly became the foundation of vox amplification as we know it today. The op should be able to print out the tc15 schematic, mark up the cap and resistor values and be set inside of 10 minutes.
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