If you have a schematic for an amp and i dont, please feel free to submit it to me. Ive only used this amp a handful of times and once live. Ceriatones ots mini 20 overtone lunchbox vintage guitar. Ceria tone overtone special ots amp head wbuilt in c lator padded cover. Review demo playthrough of the ceriatone overtone special lunchbox mini 20 watt head. I tried to apply some fuzz and it went ballisticwhile i expect feedback from high gain, it was quite surprising that the squeal occurred when the guitar volume was at zero and regardless of distance from the amp. This is based on their regular ots overtone special, which is their version of a dumble overdrive special. Feb 07, 2017 the first of my intermittent gear walk throughs. So i am thinking about upgrading my ots mini transformer to a mercury magnetics fdfdom i am hoping to rid myself of the high squeal i get at 75% channel and master power, and in any event heard it is a nice upgrade. I love the tone at low volumes, and i am hoping this will help me love it at. Ceriatone ots mini build help post by pompeiisneaks fri may 26, 2017 9. This single channel version has bass, treble, volume and electronic crossover output labeled hioutloout.
The overdrive special is a two channel amplifier, with a clean channel. These models amount to general circuit styles and chassis layouts. And i cant speak for other versions of the fat boost but the fulltone fat boost v1 is a copy of the amz minibooster with a simple high pass filter just before the output basically one extra part to give it a tone control, nothing new. Instruction manuals and kit build layouts for ceriatone amplification guitar amplifiers and effects loop buffers. Pins 4 and 5 of v6 ez81 rectifier connect to a separate 6. Amp is in excellent used condition, with a few scratches and some minor wear on the faceplate, but nothing major see pics. Each schematic is individually digitized in high resolution to provide the clearest possible scan in a downloadable adobe pdf file.
Ic2730 radio programming software icom radio software. Highpitched squeal from amp with gain and volume the. S om e18w at mr s h lcb q uip dw g v nt potentiomenters r30, 31, 34, 35. I havent dug into it much yet but so far im pretty impressed by the quality of the components though i did enough research that i knew what to expect and was really. Ceriatone forum is not afiliated with ceriatone amplifications. Dumble amps information archive this dumble amps information archive has been collected and kindly provided by rob livesey. Oh, and by the way, i own a gt500 using the boost side to push my rivera into overdrive and the distortion side for lead stuff. Ceriatone overtone special lunchbox 20w ots20 vs overtone special lunchbox 50w ots50. This link is listed in our web site directory since tuesday feb 14 2006, and till today icom ic706 schematic has been followed for a total of 6366 times. Ceriatone ots hrm bluesmaster 50 watt head, built by nik and his team, not a kit.
Marshall should make a mini jcm800 like they did with. This is listing of all the ceriatone owners manuals that are available. Ceriatone amplification marshall, fender, matchless, trainwreck clones. After a few years of experimentation, the answer continue reading overtone lunchbox. Compute module and related schematics raspberry pi. Cookies help us improve performance, enhance user experience and deliver our services. Digital outputs 8 08 softwareconfigurable 016 softwareconfigurable 016 softwareconfigurable digital inputs voltagecurrent 24 v c7 ma 24 v c7 ma 24 v c7 ma 24 v c4. Dumble amplifiers information archive courtesy of rob livesey. And even more surprised when i eventually plugged in and played this amp for the first time. I would rather have 50w and 212 w low watt speakers imo.
The ceriatone and name, logo and related trademarks and service marks, owned by ceriatone. Better to have the power and not need it than to need it and not have it. Ceriatoneusa manuals and layout diagrams guitar amps usa. Rt systems programming software makes it easy to set up memory channel details and other menu item settings of the radio. As you can hear from those clips, the amp without pedals or with moderate od is fine. The best blues amp for me would have to be the dumble ods or a two rock john mayer, purely for the touch response. I love it, i am just wondering if there are tips on getting some super smooth overdrive tones. We have 3 ceriatone overtone special manuals available for free pdf download. You alone are responsible for the consequences if you use this information. We at ceriatone would be happy to serve your needs, whether you are a. Best budget dumble overdrive pedal my les paul forum.
In our first ever ceriatone demo as a dealer and in general, jarred shows us what the tone gods wanted us to hear from the beginning with a. Jul 26, 2010 the best blues amp for me would have to be the dumble ods or a two rock john mayer, purely for the touch response. Polytone minibruteiii 1977 version guitar amplifier schematic contents. The first reason is to control the bandwidth of the signal, which is entering into the audio power amplifier. Oct 16, 2015 audio tone control circuits are mainly used for 2 reasons. But if youve wondered what the baby of an ots, old tweed deluxe, and a jtm50 might bethe ots lunchbox is pretty close. The content on this website is based on original content published in the 1950s. Ict70 radio programming software icom radio software. Marshall should make a mini jcm800 like they did with the. Wcst70 software program memories and other setting of the icom ict70 radio. Special thanks to stephen keller for submitting several of these schematics, jerry dragon for the aug64 m15 schematic, mark storch for the m15 3x8 schematic, and steve luckey for scanning and cleaning up the m2 and m14 schematics. Not a fan of how my od is set up and i dont want to mod my amp. Architectural drawing probably the closest amplifiers designed by howard alexander dumble amps who made custom for.
The ceriatone overtone special 50 represents our personal take on one of the most famous and expensive guitar amplifiers of alltime. Manuals and user guides for ceriatone overtone special. Marshall 18 watt combo schematic revision 5 v4 v6 ez81. I was excited also for ceriatones 2202 but something sounds muddy about it. Thank you for the purchase of your ceriatone overtone special 20w mini guitar amplifier. Dumble amplifiers information archive courtesy of rob.
Recorded at f4 office and filmed at roasting house recording studio malmo sweden. Some files may also contain additional service information. The ots mini 20 is beautiful, dynamic, and meticulously voiced, leaving just. The ibanez tsmini tube screamer mini has the jrc4558 ic chip with original circuit. I was in the mood to get a little tube amp that was after the famous d tone, and was looking at fuchs and some other things, but i gave ceriatone a try mainly. As with all ceriatone amplifiers, weve obsessed over component selection, and it uses our specially designed, custom transformers for superior reliability, frequency response, and feel. Not the dirtiest of amps but blues is about dynamics and feel. The guitar being used is a charvel san dimas from the usa custom. Amp lamps 50w 43w to measure with 3 x 12ax7 preamp and 2 x 6l6s power 100w version has two additional power tubes. Apr 06, 2015 1987 rosewood tele joe barden pickups ots mini 20 shure sm57 art pro mpa ii preamp tascam dp24. Today its my ceriatone ots mini 20, which is based on a dumble overdrive special. Speaker impedance selector sp3t power selector sp3t 78ohm 34ohm notes.
Thanks, chrisn1 blues is all about expression of emotion and amps dont get much more dynamic and emotive than either a dumble ods or a trainwreck express. For years, ceriatone fans have suggested the amp maker offer its stellar. Tworock vs ceriatone john mayer joyful music signature circuit comparison. Ceriatone amplification marshall, fender, matchless. At the moment mine are a little too fat for my liking and i cant seem to tweak it to. Buy a high quality, padded tuki cover for your ceria tone overtone special ots amp head wbuilt in c lator. The clean channel is incredibly full sounding, without being overly dark or tubby. The fullsized ots does, however, and its near identical sans a few values.
The ceriatone overtone hrm 50 watt amp was an amp kit i bought direct from ceriatone as much to see how hard it was to build an amp of this calibre as anything else. Free marshall diagrams, schematics, service manuals. Wiringpi includes a softwaredriven sound handler capable of outputting a simple tonesquare wave signal on any of the raspberry pis gpio pins there are some limitations to maintain a low cpu usage, the minimum pulse width is 100. Windows version requires microsoft windows 7, windows 88. Have ceriatone build a marshall amp forum model, 2204 with all. Ceriatone ots mini build help post by pompeiisneaks. We at ceriatone would be happy to serve your needs, whether you are a diyer, an amp shop, or a boutique amp manufacturer. Ceria tone overtone special ots amp head wbuilt in c. Loud enough but at high volumes will lack headroom.
User manual ceriatone overtone special user manual 20 pages. Item is used but in excellent condition, freshly retubed and comes with footswitch. Schematics, our techtips, technical circuit descriptions, troubleshooting guide fault diagnosis, calibration alignment instructions. As with the original versions of this famous guitar pedal the overdrive on offer is fairly mild. Ceriatone has classic circuits to offer, as well as custom made to clients specifications. Ceriatone ots mini 20 lunchbox amp guitar amps usa. To meet the needs of even more players, we asked ourselves if it was possible to maintain the handsome tone of our ots amplifiers, marry it with a smaller. Schematics, service manual or circuit diagram for truetone.
Has factory 12 power switch mod, as well as tone stack lift the toggle under the tone controls, also factory original. Doesnt quite oomph like the big iron of even the 50 watt 2558 at the same apparent volume through a 2x12 cab. The control layout is classic dumble topology, with the familiar voicing switches, ratio. Thank you for visiting ceriatone, home of quality and affordable guitar tube amplifier.
When you buy products through links across our site, we may earn an affiliate commission. About icom ic706 schematic the resource is currently listed in in a single category. Ceriatone sss amp test in malmo sweden february 20 by f4 frasse franzen. Tworock vs ceriatone john mayer joyful music signature circuit. Special thanks to stephen keller for submitting several of these schematics, jerry dragon for the aug64 m15 schematic, mark storch for the m15 3x8 schematic, and steve luckey for. Introducing the overtone special mini, the worlds first 20 watt d style lunchbox style amp. Im currently running it through an eminence delta pro and it sounds heavenly. Ceriatone ots discussion in amps and cabs started by niassist, jul 15, 2016. It may not possible to recollect the original signal at the speaker if the bandwidth is not limited. The ibanez tube screamer mini is all about pushing your guitar amp just a little bit more.
Robben ford, carlton and a few others use pedals in front of their dumbles. I am currently looking at the wiz mini d, big bloom, and a few others. Here, we hope to explain how best to use your new amp. We only have manuals for amps that are our own exclusive designs. Bonedaddy, just ordered an ac boost clone but still want another layer of od. The rt systems radio programming system includes the rt systems wcs2730 programming software for the ic2730 radio. The overtone special captures the same magic, and gives the player a myriad of tones all under one hood. The only dumblesque amp i have to compare it to is my ethos, and while they are both awesome, the glasslessness of the ethos seems to be a tad lacking in that respect. Ceriatone ots 20 at new york music emporium youtube. Guitarplayers captured are cecil folkesson, magnus kristensson, marcus jacobsson and pelle holmberg all really great axemen and good friends located in south of sweden. The main category is icom ic706 resources that is about icom ic706 links. All other trademarks, service marks, and trade names referenced in this site are the property of their respective owners. Audio tone control circuits are mainly used for 2 reasons.
Architectural drawing probably the closest amplifiers designed by howard alexander dumble amps who made custom for artists such as santan. And incase i didnt overload anybody with information, heres the schematic. To meet the needs of even more players, we asked ourselves if it was possible to maintain the handsome tone of our ots amplifiers, marry it with a smaller power section, put it in a small package, and then make it even more affordable to our customers. And i cant speak for other versions of the fat boost but the fulltone fat boost v1 is a copy of the amz mini booster with a simple high pass filter just before the output basically one extra part to give it a tone control, nothing new. Over 18 months in design and production, the ots mini 20 is the small brother to the legendary 50 and 100 watt overtone special.