Download the dod overdrive 250 circuit in pdf file. Dod overdrive preamp 250 and tubescreamer discussion in effects bg started by hambone1, nov, 2006. It is an analog pedal that has a 14 inch input and a 14 inch output. At some point i became enamored with the dod overdrive preamp 250 and probably built a dozen versions of this pedal. Pretty good classic rock style overdrive and will probably get boxed at some point. Gain controls the amount of distortion, from just a touch of grit to allout grind.
Dod 250 overdrive preamp model comparision all about modern commercial stompbox circuits from electro harmonix over mxr, boss and ibanez into the nineties. This highgain preamp has been a classic for nearly four decades. Make offer dod overdrive preamp 250 reissue new unopened box. Popular products overdrive preamp 250 legendary analog overdrive preamp effect pedal with truebypass and led. Digitech announces return of dod, releases overdrive. Mar 26, 2019 this is the dod overdrive 250 preamp circuit diagram. The dod overdrive preamp 250 is a 70sdesigned overdrive pedal, with a gain knob turning up the dirt and a level knob setting the volume of the output signal.
Its highgain preamp has been a classic for nearly four decades. Free dod diagrams, schematics, service manuals schematics. It stacks well with other dirt pedals too, the dods voicing is always a bit trebly and it can sound a little harsh. This pedal was reissued in 1995 and is still in current production. Features all throughhole components and fullsized, panelmounted hardware. Not complaining, btw, cause ive wanted to build this. The new 20 version of the legendary dod 250 captures all of the classic tone and wild heart of the original but in no way tames its performance. Whether you need a mellow, tubesounding distortion, read more. This is one of those boxes that everyone should play with at some point in their life. The 250 is called an overdrive preamp for a reason its a preamp that eventually distorts. Hmm, we dont have any listings for this product right now. The dod overdrive 250 is yet another 741 with two diodes on the output. Discover the best of audiofanzine each week in video.
It can be powered by either a nine volt battery or power supply and isnt rack mountable as it is a foot pedal. This is one of the 1990s ones without led, very similar and easy to mod. Digitech has announced the rebirth of dod, one of the worlds most legendary guitar pedal lines. Sweetwater s sales engineers are regarded as the most experienced and knowledgeable professionals in the music industry, with extensive music backgrounds and intense training on the latest products and technologies. Dod is reintroducing two of the most revered pedals of all time the dod overdrive preamp 250 and phasor 201. As a software and data kind of guy, its a nice to have a hobby thats physical. Like the phasor 201, the dod 250s innards remain true to the original circuit. Miro, am i crazy or didnt you do a layout for this already. Its a great time to upgrade your home music studio gear with the largest selection at. Jan 08, 2014 the overdrive preamp 250s output is significantly higher and cleaner than the original, so now it also capable of giving a crunchy clean boost or low gain overdrive, that is perfect for blues.
Dod overdrive 250 preamp circuit diagram the dod overdrive preamp 250 is an overdrive guitar pedal that has been resurrected by popular demand. Im surprised the fractal dont already have some sort of 250 in it. Dod overdrive preamp250 reissue pedal the famous dod 250 overdrive preamp pedal has been reissued and its a screeching, roaring return. Overdrive preamp 250 legendary analog overdrive preamp. Dod overdrive preamp 250 electronic schematic diagram. The dod overdrive preamp 250 is an overdrive guitar pedal that has been resurrected by popular demand. The bb for example is a 4 knob pedal with level, gain, high and low but the ax8 uses the same interface, as do all overdrive pedals, as the plus dist.
It works great with the rat i have although it doesnt add much more than a volume boost. Ive never tried running the rat into the 250 which i assume would impart more of the 250s character onto the rat signal. This is the dod overdrive 250 preamp circuit diagram. Legendary analog overdrive preamp effect pedal with truebypass and led. The dod overdrive preamp 250 is back and better than ever. We have some new yellow overdrive preamp 250 pedals in stock with our mods. Well, the biggest difference i know of is the dod simply has drive and output. A clone of the 1976 gray box dod 250 preamp overdrive, but in a significantly smaller package. Dod overdrive 250 circuit diagram circuit wiring diagrams. My brother in metal dean cascione starting a series of demos for the new 20 limited edition dod overdrive preamp 250 in the style of neoclassic shred finally how it was meant to be. Dod overdrive preamp 250 mxr distortion, circuit design, circuit. Dod overdrive preamp250 reissue pedal musicians friend. Dod overdrive 250 77 gray version schematic dod overdrive 250 77 gray version parts layout and wiring diagram dod overdrive 250 77 readyfortransfer printed circuit board layout for use only if you are a complete diy person who wants to etch and drill your own pcb. The dod overdrive preamp 250 is an overdrive guitar pedal that has been.
The dod overdrive preamp 250 20 has gain and level controls, like its predecessors. One of the most loved and copied pedals made by one of the most underrated pedal brands. Dod overdrive 250 preamp circuit diagram circuit schematic. Analog man offers the dod od 250 with modifications to bring them back to the specs and sounds of the old dod pedals.
The legendary analog dod overdrive preamp 250 is back, with over 40 years of history and experience behind it. Both models retain all the sonic magic of the originals while incorporating improvements like true bypass, 9v power adapter jack and other refinements. Dod od250 and yjm308 overdrive pedal mods analog man. Now a part of the harman industriesdigitech team, the preamp 250 has a few muchneeded upgrades, namely true bypass to reduce the coloring of tone when not being used, and a bright blue led, making it easier to tell when its in use. The dod 250 is ideal for players who like to clean up their tone and just clip the top of the signal. I have a 250 reissue that i use as a slightly dirty boost into any of my pedals or amp. The dod overdrive preamp 250 is a timeproven classic. At minimum gain it never gets completely clean, more a gritty edge of breakup sound even on a clean amp but into a slightly driven amp there is plenty of scope for playing dynamics and the guitars volume control to clean things up a bit if the mood takes you. The dod overdrive preamp 250 circuit is yet another 741 with two diodes on the output channel. It is almost exactly the same as the mxr distortion plus. Here is an official company schematic for the dod overdrive preamp 250. The 250 is better than ever before with truebypass, a crisp, blue led indicator, gobs of output, and.
Vintage dod 1980s analog overdrive preamp 250 effect pedal. It is almost exactly the same as the mxr distortion plus, and a number of other units. Dod changed op amps as the 741 was getting expensive and harder to get in large quantities in the 80s. We recommend using 1900, mini fluted, mini 1510, or byoc style. It really sounds best on an already overdriven amp, so i kept it kind of dirty on this video. Its more of a design and layout preference but i could be wrong. The dod od250 is nearly identical to the classic mxr distortion plus with only a few different values for some components and a different type of clipping diode yet they sound completely different. They also rereleased a four pack of pedals the od, phaser, compressor and chorus in the 90s. This price guide entry reflects the range for the original version. Its a great pedal but as far as tone goes its sort of limited. Ive never tried running the rat into the 250 which i assume would impart more of the 250 s character onto the rat signal. It can be used to produce a natural distortion, or overdrive the input of a guitar amplifier to increase the amps natural sustain at any desired volume. Again, this offers true bypassswitching and a status led, and has the same lightweight painted casework and power connector as the phaser, but this time in a yellowgold metallic finish. The dod overdrive preamp 250 was one of the original, classic overdrive pedals, and now, 40 years after its original release, its back and better than ever.
Slight to moderate overdrive, ive always recommended the dod 250. Whether you need a mellow, tubesounding distortion, or an overdrive to increase your. This project uses the same readyfortransfer printed circuit board layout file that is used in the mxr distortion plus project on this site. Because of limited space, you cannot use knobs with skirts larger than 16mm. The yjm308 from dod, like the 250 reissue is a great overdrive pedal, but many. The dod overdrive 250 is yet another 741 with two diodes on the output channel.
Cram has subsequently become the marketing manager for digitech dod and continues to work on new digitech and dod pedals. The smooth distortion of the dod 250 is essential for that midseventies guitar sound. This is really a great sounding distortion pedal, remenisent of some of the great sounds of the 1970s. Its a slightly newer chip than the 741, which was about the first op amp. This appears to be post grey era but has all the elements of both versions. Most desire these over the original 2nd version yellows, reissues and the newest yjm308 yngwie version. How to dial in a dod overdrive preamp 250 greygray pedal. This was further adapted for the dod overdrive 250 1976, and cloned. The dod 250 is an overdrive pedal designed for use with electric guitar but suitable for any electronic instrument. The grey 250 typically goes for a lot more than its yellow successor, but to many people they have almost indiscernible differences in tone despite the use of different parts. Whether you need a mellow, tubesounding distortion. Grit turns into more amplike overdrive, with not much in the way of tonal shift as you turn up the gain. Feb 21, 2017 can someone tell me how to closely replicate the graygrey dod 250 overdrive preamp pedals that yngwie malmsteen used to use. His search for the many forgotten fuzzes of the 1970s led him to the maestro fuzztone fz1s, whose bipolar personality provided the inspiration behind the dod carcosa fuzz.
If for anything else, for the feel of that heavvy duty box. The chip is stated as ka4558 in the italian reissue schematic i found and some random gutshots from the web confirm that, but you could try any dual opamp in there. The dod overdrive preamp 250 is an officially license epedal. Dec 08, 2014 the dod overdrive preamp 250 was one of the original, classic overdrive pedals, and now, 40 years after its original release, its back and better than ever. Dod analog overdrive preamp 250 guitar effects pedal with. They are available the basic vintage dodod250 mod, the mojo 741. This project uses the same readyfortransfer printed circuit board layout. The dod overdrive 250 distortion pedal is very similar to the mxr distortion plus pedal. The dod preamp 250 as an example is only a two knob pedal, with just gain and level bet all pedals show the same interface. Also back from the dead is the analogue dod overdrive preamp 250. The following circuit diagram is an electric guitar schematic of dod overdrive 250. Gain controls the amount of distortion, from just a touch of grit to all out. The dod overdrive 250 distortion pedal is very similar to the mxr distortion plus. Dod overdrive 250, dod overdrive 250 circuit, dod overdrive 250 diagram 250, dod overdrive pedal, dod overdrive preamp.
Though its been reissued by dod in recent years, the dod overdrive preamp 250 started as a little grey beast in the 80s. The 250 of the 90s sounds completely different much bassier and wrong. The one on the left has our true bypass mod and led. Dod overdrive preamp 250 chris and rick talk guitars. The dod 250 is essentially the same circuit with a few less components and different values but the design and layout is obviously heavily borrowed working from my original and lots of info from the net i came up with a great sounding version of this little circuit, and it is a great sounding od. Dod grunge fx69b alchemy audio modded free shipping.
Dod overdrive preamp 250, 90s reissue in yellow first series style enclosure. Dod overdrive preamp 250 1981 yellow reverb but here is a newer reissuue. The 20 version of the legendary dod 250 captures of the classic tone and wild heart of the original but in no way tames its performance. And if this was made lighter than the original, the original must weight a ton. The cm2 and the dod can both get pretty mean, the dod is the darker of the two and has more gain on tap ime. For the safety of our warehouse team, we are running at reduced capacity, but we hope to be back to normal shipping by early to midapril. At a lower gain setting the overdrive preamp 250 can be used to. The yjm308 from dod, like the 250 reissue is a great overdrive pedal, but many people still prefer or wish they could get their hands on an old gray dod 250.