Its a randall rg 120 115 solid state combo made in the 70s. Marshall 120 watt 4x12 inches angled cabinet amplifier part mg412ag line 6 spider v. You should consider joining one or two, and asking there. I ran it through a 4x10 and it kept up with my drummer and two. Laney diagrams, schematics and service manuals download for free. Service manuals,electronic components datasheets and equipment schematics database here you can find free datasheets, service manuals, schema, schematic diagrams and software downloads, service. Rg125212 musical instrument amplifier pdf manual download. And hopefully, you people can tell me some things about this amp and maybe help me get it restored, with info i can pass on to my electrician. I have a randall rb 120 bass head that i need to part with because of a recent upgrade. Hq copy randall rg rb 90 guitar amplifier schematic diagram. Im a pretty snobby 6v6 amp guy and i wouldnt sell my commander i for anything.
Hq copy randall rrm2250 stereo power amplifier schematic diagram. I will be experimenting with boosting the front end and maybe tweaks to the power section i have found a schematic. If you get stuck in repairing a defective appliance download this repair information for help. Tube amplifiers, valve amplifiers vintage tube amps, pa mixers, repair guides and more. Randall rb120 commander bass head question synergymts. Service manual free download,schematics,datasheets,eeprom. Randall commander ii model rg 120 212 120 watt 2x12 guitar combo. Vintage guitar amplifier rb120115 randall commander i.
Randall reserves the right to use materials readily available at the rm50rm80 time of the repair. I would like to build a guitar amp based on the randall rg es or ht preamp section but with a tube power section. Randall instruments rg80sc guitar amplifier schematic. This warranty shall run to the original purchaser when purchased from an authorized randall. Randall commander ii model rg120212 120watt 2x12 reverb. Solid state awesomeness randall commander ii rg120.
Hq copy randall rg80sc guitar amplifier schematic diagram. Randall tube amp schematics, hoffman amps tube amp schematic library. Randall instruments inc owners manual schematic rrm 2 200 amp. Rg60 rb 60 very good condition, single sheet printed front and back, oem randall not a photocopy or reprint, light wear, clean, unmarked text, english only, 2 pp includes schematic. Randall instruments rg12110 guitar amplifier amp original.
View and download randall rg120 owners manual online. I will be experimenting with boosting the front end and maybe tweaks to the power section i have found a schematic of the ampsthe randalls but i dont really know how to convert it to a layout on ptp board. Randall rg50tc sch service manual download, schematics. The focus of the laboratorys research program is on methods and their. Randall rx120rh head features 120 watts 2channels overdrive channel with voicing and contour control clean channel dual 3band eqs spring reverb with level control 2button footswitch included huge sound in a smaller package is the best way to describe the newly expanded rx series. Company names and product names used in this manual are the trademarks or registered trademarks of. The three channel 100w high gain fet solid state guitar amp head offers reverb and an fx loop. This item randall kh120rhs kirk hammett series 120 watt half stack guitar amp. Guitar pickup wiring, leslie speaker service manual guitar amp wiring diagrams. Electronic schematic diagrams, circuit diagrams, wiring diagrams, service manuals and circuit board layouts. Randall instruments inc owners manual schematic rg60 rb60. Service manuals, schematics, eproms for electrical technicians. Its a good workhorse amp that is built like a tank.
I just picked up a very abused randall amp for restoring. Randall rg1003h 100w solid state guitar head black guitar. Page 1 us music corp or any authorized randall service center within the u. Randall worked for leo fender as a manufacturer of the brand fender amps in the years 5060. Randall instruments rrm2250 stereo power amplifier. Here is a owners manual for a randall rrm 2 200 amp stereo power amplifier, by randall instruments inc. Amp transistors making a good 120 watts utilization no manual but easy to use. Includes the 1977 version and the updated 1982 version. Its equipped with 18 stereo media input, headphone output, speaker emulated xlr direct output with ground lift. Rx120 t2v2 titan vmax x2 bmf c50b50 century 3000200head century 100 century 170 century 1702000head cpa4. May 22, 2017 randall does not offer a schematic for that model. Buyer assumes responsibility for all return shipping costs unless the item was not. This is an early version with the orange stripe on the cabinet.
It has 2 channels,master volume knob is pushpull for 15 db gain boost treble contol has push pull for treble boost. Get a low price and free shipping on thousands of items. Randall diagrams, schematics and service manuals download for free. Visit us online for more information or to download service manuals today. Irb 120 industrial robots robotics industrial robots. All warranty service requires proof of purchase sales receipt to be presented at time of service request. Anyone useused one of the randall rg series in the 80s. A search proved useless so any opinions or information will be appreciated. This is a very early 70s model,it is a solid state but it has mosfet circuitry. Here is a owners manual for a randall amplifiers, by randall instruments inc. Its a randall rg 120 115 solid state combo made in the 1970s. When don randall broke away from fender in 1969 he set. Having had enough of work for little glory left lf randall started his own business and randall amps inc his amps and combos faisaeint rage in the 60 and 70 being equal if not better sound than their more illustrious big brothers of fender.
You indicate your consent to this use by clicking i agree or by continuing to use this site. Alright ive got my bb all put back together ive been working late all week so i only get about a half. Rg 120 115 which is an open back 1x15 version, its wonderful. Our original was hole punched, such that some information is missing. Skip to main content skip to footer site51563490 used 1563490 randall rb 120 solid state guitar amp head. This warranty shall run to the original purchaser when purchased from an authorized randall dealer. Randall rx120rh and rx412 half stack musicians friend.
Get the guaranteed best price on guitar amplifier stacks like the randall rx120rh and rx412 half stack at musicians friend. Free electronic schematic diagrams, electronics cad software, electronic pcb software, guitar wiring diagrams, amp schematics, repair manuals, amplifier layout diagrams,pcb software for making printed circuit boards, amplifier design software cad for drawing circuit diagrams. Randall commander ii rg90a this is a very early 70s model,it is a solid state but it has mosfet circuitry. My friend has a randall, rb 120, 1x15 combo, bass amp, 1976 vintage. Randall rg75 schematic dimebag darrell randall clinic 06031993 full lengh video century 200, century 3000, rg180 dx and rg200 es all share the same schematic. Music corporation warrants the product you have purchased to be free of defects in materials and workmanship in normal use for a period of two 2 years from the date of original purchase. Randall rb 120 series amplifier schematic contents. It gets a terrific live srv tone thats ballsy, woody and has that awesome crunchy midrange. Supposed to be a 1970s randall rb 120 commander with 215s in combo form with 2 channels. Irb 120 s compact design enables it to be mounted virtually anywhere at any angle without any restriction for example inside a cell, on top of a machine or close to other robots. Buyer assumes responsibility for all return shipping costs unless the item was not received as described.
Anyone have a schematic for the randall rg40r, i have one on the. Become familiar with the operation of the ccs software the control software diagram of build 1. View and download randall rg125212 owners manual online. Randall instruments rg80sc guitar amplifier original schematic diagram. The randall rg1003h guitar head is not messing around. Hey guys, ive been playing bass a while, but for the last 6 years guitar has been my primary instrument, so my bass gear knowledge hasnt been superb. In 1970, don randall founded randall amplifiers with a focus on the technology surrounding the use of solidstate circuits instead of vacuum tubes. Used randall rb120 solid state guitar amp head guitar. Its been a great practice amp but its recently developed a hissstatic all the time and fizzyfarty distortion when playing notes. The 10 most iconic guitar amps of all time guitar world.
Randall is the company started by leo fenders former partner don randall. I joined because i just acquired a randall rg 120, and i have a decent photo of it too, that i took earlier today. Guitar heroes such as kirk hammet of metallica, scott ian of anthrax, george lynch, and extremes nuno bettencourt are just a few of the names who trust their sound to randall. Randall rg100 g3 schematic service manual download. When don randall broke away from fender in 1969 he set out to make a louddriving amp for the new style players at the time. Skip to main content skip to footer site51563490 used 1563490 randall rb120 solid state guitar amp head. Its solid state 120 watts with one 15 inch speaker. But, there are several schematics and circuit photos online. I saw an old randall amp in my local music store, but the guy couldnt tell me very much besides the 1973 production year. May 21, 2008 i know the rd guys cant share schematics with the public but i hope that doesnt prevent us from sharing our own work. Having had enough of work for little glory left lf randall started his own business and randall. I just bought an rg75g3 amp but the store didnt have any footswitches at all.
Randall instruments rgrb90 guitar amplifier amp schematic. Randall guitar amplifiers are the goto brand for some seriously heavyhitters in the world of rock and heavy metal. Valley switching boost pfc reference design using c2000. Randall diavlo rd100h operation manual pdf download. Epa600r10100 august 2010 nutrient control design manual by the. Free randall diagrams, schematics, service manuals. This site helps you to save the earth from electronic waste. Very good condition, softcover booklet, oem randall not a photocopy or reprint, light wear, clean, unmarked text, english only, 4 pp with power board and additional schematics. Vintage guitar amplifier rb 120 115 randall commander i 200w this works. Rmx1850hd schematic randall rg50tc schematic randall.
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