These include two refineries of subsidiary chennai petroleum corporation ltd. Schematics lite is a schematic drawing software designed to work with the mac platform, and it is absolutely free to download and use. Electro harmonix russian small stone phase shifter. Electroharmonix has quietly given the small stone nano phase shifter a groovy new look and updated its website with the fresh design as opposed to the previous nano incarnations bare chassis, the new look features a powdercoated enclosure more in line with ehxs other recent releases, such as the oceans 11 theres no word on whether the circuit. Its not yet known whether pedals circuit changed along with its design. In contrast to the pedals previous minimal orange, black and silver chassis, the updated small stone nano now features a retro black, yellow and orange powder. Shop for the electroharmonix nano small stone phase shifter guitar effects. The basic operating frequency is determined by the tuned circuit of l1 and the combination of c1 and c2. It was designed by david cockerell, whom electro harmonix hired from his former employer ems the phased sounds of french composer jeanmichel jarre depended heavily on the small stone unit.
Here is a list of the schematics that are exclusive to this site. This famous phaser, in its newer, smaller form, offers. 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. Theres no word on whether the circuit has changed with the visuals, but the control array of rate knob and color switch remains the same.
Get the sound that made the classic 1970 small stone famous. The hugely popular small stone phase shifter is a 4stage phaser. Sure there have been units that were beyond repair and those will always hurt, but usually i tend to be able to fix them. Electro harmonix diagrams, schematics and service manuals download for free. The small stone is one of the coolest phasers made. Overview of indian oil corporation ltd engineering essay. Electro harmonix small stone analog phase shifter pedal product overview by gak. Note output buffer that isnt present on the official schematic, and how the dry kill is labeled color and the feedback control is labeled blend. I love the old electroharmonix pcb traces, they were like artwork. You can get the sound of the iconic 1970s small stone in an incredibly compact and affordable way with the electroharmonix small stone nano.
Free electro harmonix diagrams, schematics, service manuals. Download the schematic diagram of electroharmonix small stone phaser. The small stone is a 4 stage phase shifter with one additional stage for feedback, which can be activated using the color switch. Being too hot can also damage heat sensitive components. The electroharmonix nano small stone phase shifter is everything you love about the original small stone in a smaller, diecast package. There are different versions of the small stone and bernard duur schematics are usually very reliable. Electroharmonix small stone nano phase shifter reverb.
This was using a voodoo lab pedal power ii and the eh was on its own circuit. There was a nasty tick in the output due to the lfo which needed to be fixed. The small stone was first manufactured back in the early 70s making it one of the first compact phase shifters on the market. Our mod sets the volume the same, and includes an internal trim pot so you can set the volume just where you want it. The part of the circuit where the actual phase shifting occurs is on its own. Ehx small clone v ehx small stone discussion in pedal pushers forum started by deadsharrk, dec 19, 2010. In that case, what you need is a 1 spot model c35 3. Could no find any videos of it but i trust the guy that traced it. It was designed by bob bednarz and it was the first phase shifter to. Electroharmonix bad stone reissue vs vintage gearslutz.
Because this usually makes the small stone start to selfresonate in color mode because of the increased feedback loop gain, the amount of feedback needs to be reduced a bit. In the down position you get lots of pleasing traditional phasing tones and in the up position the pedal gives an unusual wah type. Electroharmonix have given the small stone nano phaser a. Im assuming that the small stone has the same power requirements as the small clone, which i have. Mix up your tone by flipping the color switch, and change the speed at which your phaser modulates with the rate knob. Legendary phaser the electro harmonix small stone was one of the first phasers available in the 70s and can be heard on countless recordings. The electroharmonix small stone, originally released in the 70s, is a multistage phase shifter with an extra stage for feedback. If you work with a small soldering tip, heat will transfer badly, making it more difficult to melt solder. A toggle switch lets you choose between standard phasing and manual modes, giving you the best of both worlds. The bad stone was released 1975 and produced until 1981. Photo 2005 c matteo pini, italy sometime in the late 70s rick onslow frank marinos tech at the time said to me that you could modify pretty much any four stage phaseshifter to make it sound somewhat like a univibe.
Its an effects pedal that delivers fullbodied, three dimensional phasing to add a special swirl to every musical style. I used the schematics from the small stone like piedrita of tonepad thanks. As the competitors of that time, it comes with a control rate, the speed of the effect and the intensity can be modified with a switch the sound is just right for most applications, and the 3d is not so exaggerated as one might think at first. Home electro hamonix small stone phaser j schematic. Combined with a classic big muff fuzz distortion, you get virtually unlimited cool tones. To produce the chorus effect, the small clone bends the frequency slightly from the input source and mixes this altered signal with some direct unaffected signal. Ehx small stone lm600 all about modern commercial stompbox circuits from electro harmonix over mxr, boss and ibanez into the nineties. Enjoy the lowest prices and best selection of electroharmonix effects at guitar center. Often, a single flick of a switch or turn of a knob will significantly change a setting s tone and create new and interesting sounds. I am not up on all the different versions of the small stone old, new, nano, russian, new york, etc. The phased sounds of french composer jeanmichel jarre depended heavily on the small stone unit. Electroharmonix nano small stone phase shifter guitar. Eh small stone phaser issue j experimentalists anonymous.
Ehx small stone volume drop telecaster guitar forum. Ehx small clone modded to include a depth pot instead of the switch used in the original, giving you variable depth control rather than just two preset levels. Apr 26, 2011 i have been able to get very nice small stone, univibe, auto wah and tremolovibrato effects that arent too noisy and only a bit lower in level than unity gain. Ehxsmall stonelm600guts by alex frias nov 2008, 17. Testing out some popular analog phaser pedals see how they sound next to each other with synthesizers. Hi there all, ive been a member for a bit and lurking, reading keyboard for, oh, 20 years, but this may be my debut post. For phasers, i never really liked the standard phase 90, the 2 stage phase 45dod 201 is my favorite, though i love the manual sweep of the bad stone. This project uses the basic layout of my original orange and black label small stone issue j. The unmarked blend is a 1m pot, as it is on the official schematic. Electroharmonix has redesigned its small stone nano phase shifter.
In 2005 they now come with true bypass, but the volume is cut a little when on, while you usually want it at least as loud when on. The input knob allows you to pair the phase royal perfectly with single coils, humbuckers, or line level signals, and the output knob insures that your levels are always exactly where you want them. Well i know the bad stone was 6 stages and it had the manual knob which i didnt find useful on bass dont know about guitar while the small stone is 4 stages. If there was a top 5 list of phasers it would include, in any order. The ehx bad stone is a faithful reissue of the original vintage phase shifter of the same name but in a much smaller package. Electro harmonix small stone analog phase shifter phaser. Is there a mod that i can do in order to avoid this volume drop. Also i decided to do some mods i found on the internet or figuered out myself. The eh4800 issue a later issue of the small stone is a slightly different layout, but is essentially the same circuit. See more ideas about guitar pedals, guitar and diy guitar pedal. The cool thing about the old ones, is there are so many floating around right now that you can likely get one cheaper than the new ones. At the time the only pedal that was compaired to the small stone was the mxr phase 90 but instead of otas it used matched fet transistors.
Im a big small stone enthusiast and i know the vintage models are way better than the nano counterparts. Electroharmonix small stone nano phase shifter reverb demo. I usually recommend 250c 400 fahrenheit for general soldering. Generates thick sweeping phase shifting with liquid transparency. Electroharmonix is a new yorkbased company that makes highend electronic audio processors and sells rebranded vacuum tubes. The small stone has one of the widest range of speeds of all the phasers that i tried and definitely the fastest at this price range, and the addition of a color switch makes the phaser all the more versatile. I have the surfacemount filled nano small stone, which makes it very difficult to mod. Buy electro harmonix small stone nano analog phase shifter guitar effects. I have just bought an electro harmonix small stone to phase up my d70 rhodes sound and for the odd jarre pad and wind effect. Increasing temperature can be useful in these case.
Service manuals, schematics, eproms for electrical technicians. Iocl is the flagship national oil company in the downstream sector. To this day, the small stone is still the pedal to use when musicians want a fat, warm analog phase shifter. Ehx small clone v ehx small stone gretschtalk forum. Havent tried a small stone in a long while maybe i can pick one up cheap hoping it doesnt do the switch pop thing. This phaser is the phaser of the numetal band korn. Not the best looking layout with too many links and cuts, but its a means to an end, and its hard to avoid when you have 4 ics, 3 transistors and lots of interconnections, so im just. In the case of q1 and q4, their tuned circuits are also. Electro diagrams, schematics and service manuals download for free.
Adjustable temperature is a nice add on, but not a must. Ehx small stone nano boss ph1r behringer vp1 vintage phaser which one do you use. Electro hamonix small stone phaser j schematic pdf download share share on facebook tweet tweet on. Blues players dig the stone s rapid rotating speaker effect. Electro harmonix small stone thomann united states. All of the ics are house marked eh1048, but can be replaced with ca3094 which is a. Electro harmonix small stone analog phase shifter pedal. Is there, tonally, any difference between the two, because i loved the small stone tone, and ive known that many similar smaller versions of original big. Like many other iconic ehx pedals, the small stone was relaunched when ehx started up again in the 90s. I thought, ok ill do the vibrato switch, i only have to desolder a resistor. The widely used small stone phase shifter is a 4stage phaser designed by david cockerell, whom electroharmonix hired from his former employer ems. The smallstone is somewhat unique in using operational transconductance amplifiers otas for phase shift stages instead of opamps with variable resistors. Country players add tasty seasoning to their chicken pickin.
The schematic is based on a pedal called small tone which is a clone of the small stone. Electroharmonix small amp amplifier schematic contents. All of the ics are house marked eh1048, but could be replaced with ca3094 that is a. The nano definitely has the ss vibe, but just lacks a little of the old ones mojo. Free electro diagrams, schematics, service manuals. This is the schematic diagram of electroharmonix small stone phaser guitar effect pedal.
That can be easily fixed by replacing resistor r42 4. Electroharmonix bad stone phase shifter effects database. Cpcl and one of bongaigaon refinery and petrochemicals. Eh small stone, mutron phasor i, mutron biphase, ada final phase, and mxr phase 90 or 100 series. Bought it pretty cheap for 40, euro on the vintage guitar convention in veenendaal, the netherlands, okt. The small stone has a well documented volume drop when enabling it compared to the bypassed signal. May 11, 2016 you can get the sound of the iconic 1970s small stone in an incredibly compact and affordable way with the electroharmonix small stone nano. So ive been looking at getting a phaser, but my pedal space is limited, i loved the tone of the ehx small stone, but its downside was its size. Electroharmonix have provided their classic small stone nano phaser pedal with a much needed facelift, modifying the enclosure of the pedal and providing it with a groovy new paintjob.
Electroharmonix gives the small stone nano a groovy new. I have added notes in red to the schematics believed to have errors. I like the sound of the bad stone, but not the darn switch pop. Electroharmonix gives the small stone nano a groovy new look. Small stone phaser vintage phaser pedal other names for this product. Ehx small stone eh4800 phase shifter killall 9 humans. The manual shift function lets you freeze the phase tone, adding another dimension of sound of which the simpler small stone is not capable. And it has a feedback knob but i believe feedback is also what the color switch does on the small stone so there are a couple differences. Nov 08, 2009 old ehx pedals are natoriously loud when bypassed. Will i have to do something special, other than remove the original and replace it with the other one.
Big muff pi octave multiplexer small clone small stone bassballs features class 2 transformer. Electroharmonix small stone phase shifter effects database. The ehx nano small stone phase shifter pedal delivers everything that gave the original small stone its legendary status but is housed in a smaller, pedalboardfriendly diecast package. It was reissued years later by ehx and a smaller version of the pedal was eventually introduced in a. The indian oil group of companies owns and operates 10 of indias 19 refineries with a combined refining capacity of 1. Whereas the small stone is a fourstage phaser, the bad stone is a sixstage phaser. Electroharmonix unveils redesigned small stone nano pedal. Electroharmonix bad stone reissue vs vintage im looking for a straight comparison of the two does the new stack up, are they identical, does one sound better than the other. Univibing the eh smallstone the original phasorvibe mod 97 c jc maillet.
It is best known for a series of popular guitar effects pedals introduced in the 1970s and 1990s. The 4stage ota module uses dual operational transconductance amplifiers to produce a 4 stage phaser similar to the ehx small stone. Small stone nano analog phase shifter get the sound that made the classic 1970 small stone famous. Early version partial schematic from a traced eh 5800 unit. David curtis created this fullproduction demo to showcase how these two pedals sound alone and together within the mix of a real studio recording involving multiple. I have the ehx small stone phaser, and it has a volume drop when i turn it on. Dec 11, 2010 the electroharmonix small clone chorus is an analog chorus pedal with depth and rate controls and an led function indicator. Small stone phaser vintage phaser pedal by electroharmonix. Operating instructions connect your instrument to the input jack.
The electro harmonix small stone was one of the first phasers available in the 70s and can be heard on countless recordings. This site helps you to save the earth from electronic waste. Check out adam franklins gear and equipment including the crowther hotcake, boss hm2 heavy metal, and shergold numeteor. Also, i want to replace ta dc input jack with a typical one like the ones that boss pedals have. Electroharmonix small stone eh4800 phase shifter reverb.
Note that not all of these schematics are guaranteed to work. Electroharmonix introduces the oceans 12 featuring two simultaneous, independent, stereo reverb engines, series and parallel control for the dual reverbs, 24 presets and advanced io allowing for stereo inout, splitting reverbs to left and right channels, or mono sendreturn with pre and post reverb options. A good place to ask about effects is ampage and alt. The small stone is somewhat special in applying operational transconductance amplifiers otas for phase shift stages rather of opamps with variable resistors. Tonehome the world of vintage guitar effects pedals. This wasnt the first and certainly wont be the last pedal ill buy as a broken unit. Jan 25, 2005 20071027 ehx small stone ri demo by gear demos 20090208 small stones by gearmanndude 20100124 vintage electro harmonix small stone demo. Vintage electro harmonix small stone my les paul forum. That being said, i still like my red witch moon phase, which is hifi and smoother than the stone.
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