All family of original pultec eqs, was originally designed to bring back the life and musicality lost in a. Pultec eqp1a equalizer pro audio equipment diy diy. The pultec eqm1s3 twoband mastering equalizer, a rare variant of the legendary eqp 1a equalizer, can give your tracks the massive bass, silky highs, and addictive warmth that made the original a studio standard. All the software emulations of the eqp 1a that ive seen follow this layout pretty faithfully, so if youve got a pultec emulation other than the nomad factory, this still applies. Pulse techniques eqp1a3 pultec eqp1a3 program equalizer. Singlechannel, twoband equalizer built exactly like the original, legendary pultec units. The first seems redrawn and floats around the internet, alone and as. Get the pultec sound in software santa cruzbased universal audio produces some of the most respected digital simulations of classic recording equipment. The eqp1a is a threespace rack mount unit that features a twoband design that makes it possible to boost extremely low and high frequencies without harming the notes in the middle. The low frequency switches differ on the plugin and hardware. Page 6 below is a plot of the curve from the original pultec eqp1a, with. Pultec eqp1a diy program equalizer build your own vintage equalizer. The tube pultec eqp1a copy is an example of a project that many diy people. Doapultec page the gpultec the original schematics.
This equalizer is still unsurpassed device model for treatment frequency in recordings among audio engineers worldwide. Pultec eqp1a equalizer under repositorycircuits 49421. Pultec eqp1a emulations there are a lot of emulations of this classic equalizer, and several of them are really great. This eqp1 was based on filter circuits licensed from western electric and sounded great, but suffered the gain insertion losses typical of any passive filter, so theyupgraded their original unit to the eqp1a, which followed the eq section with a gain makeup stage using a pushpull design with. The first pulse technologies eq was launched in 1951. Amplifiers free delivery possible on eligible purchases. The manley pultec eqp1a, available in both single and 2channel versions, uses 1 x 12ax7wa and 1 x 6414 or 5965 in our alltube singleended line amplifier for the gain makeup and extrabeefy sound. Warm audio eqpwa tube program equalizer sweetwater. Point to point, original tube circuit, pultec eq kit by recpro audio. Pultec passive neumann v4752 drive card pultec passive ready for knobs. It uses two triode gain stages in a 12ax7 direct coupled to a cathode follower consisting of paralled sections of a 12au7. The pultec eqm1s3 twoband mastering equalizer, a rare variant of the legendary eqp1a equalizer, can give your tracks the massive bass, silky highs, and addictive warmth that made the original a studio standard. It followed the eqp 1 and preceded the eqp1a3, a 2 ru high unit with different transformers. Puigtec eqp 1a is an equalizer plugin thats designed by jack joseph puig and waves, and of course modeled after the legendary pultec eqp 1a program eq.
The pultec eq has long been a choice of recording and mastering engineers for its ability to bring out individual frequency ranges without significantly altering other frequencies. Heres a link to the original pultec eqp1a manual pdf file. Developed at the beginning of the 1950s in new jersey, the pultec companys formal name was pulse technologies, the operation run entirely by ollie summerland and eugene shank until the company folded in the. As can be seen in the image below, there are three areas of interest. Going far beyond uas original standarddefining pultec plugins, the eqp1a faithfully models the overbuilt transformers and complex tube amplifiers of the original hardware. New pultecs, which are about as close to the original design as its possible to get, are available from pulse techniques, and cartec audio also make a fine recreation, as do the likes of summit, amtec and manley. Pultec eqp1a eq by universal audio news kvr audio plugins. What you hear is the eqp1a on the stereo bus, the kick, and the distorted guitar on the left side. So naturally, there have been many hardware and software recreations over the years. Recpro audio is pleased to announce that all pultec eqp 1a kits now include cinemag cmli4x150d input, sowter 1475 hs29 repro interstage and cinemag cms217d legendary peerless s217d repro output transformers, as well as a cinemag cml150t tapped inductor.
Designed for broad equalization of program material, the eqp1a had four low. Licensed under patents of the western electric company. Use pultecs three most popular studio eqs on individual tracks or. The pultec eqp1a is renowned for its unique ability to boost and cut the same frequencies simultaneously, thereby creating a resonant shelf. This is a picture of my prototype clone of a pultec mb1 tube microphone preamplifier. The pultec pro plugin is really two plugins in one that come with separate modules for the eqp1a and the meq5 midrange equalizer. Recpro audio pultec eqp 1a kit details 2017 pultec eqp 1a kit. This pultec eq p 1a passive stereo clone has neumann output drives and st. The pultec eqp1a is a passive equaliser considered by many engineers to the holy grail of eq processors. With painstakingly modeled amplifier sections now onboard, the pultec eq collection breathes like the original hardware. These kits sound amazing, just like vintage pultecs. The circuit of the tube program eq aka pultec eqp1a is actually more simple than the la2a but the instructions were only fairly basic so far.
Puigtec eqp1a is an equalizer plugin thats designed by jack joseph puig and waves, and of course modeled after the legendary pultec eqp1a program eq. This video shows a side by side comparison of the universal audio uad pultec eqp1a plugin and the eqp1s hardware version. This is about as close as you can get to a real vintage pultec eqp1a. Diy pulse techniques pultec eqp 1a program equalizer. Going far beyond uas original standarddefining pultec plugins, the eqp 1a faithfully models the overbuilt transformers and complex tube amplifiers of the original hardware. Ive just completed this matched pair of eqp1as for a client in texas and have made available a zip file containing 85 new photos below. The pultec pro plugin is really two plugins in one that come with separate modules for the eqp 1a and the meq5 midrange equalizer. Attached two schematics from the filter section from the pultec eqp 1 eq. Reverb is a marketplace bringing together a widespanning community to buy, sell, and discuss all things music gear. Pultec eqp1a eq by universal audio eq vst plugin, audio. Note that the transformer data are guesswork and dcresistances. Ive just completed this matched pair of eqp 1as for a client in texas and have made available a zip file containing 85 new photos below.
The puigtec eqp 1a is a remarkable replication of the original handcrafted unit owned by iconic producerengineer jack joseph puig u2, rolling stones, lady gaga and heard on dozens of popular recordings by weezer, black crowes and many more. The pultec eqp 1a is a passive equaliser considered by many engineers to the holy grail of eq processors. Ik multimedia designs and manufactures apps, software, hardware and accessory products for music creation and playback on computers and mobile devices. With the ability to boost and cut at the same time, the pultec eqp1a gives users multiple options of how to treat a shelf frequency, in a way that few other. The eqp 1a is a threespace rack mount unit that features a twoband design that makes it possible to boost extremely low and high frequencies without harming the notes in the middle. All the software emulations of the eqp1a that ive seen follow this layout pretty faithfully, so if youve got a pultec emulation other than the nomad factory, this still applies. The lessintuitive of the eq pair is the eqp1a, so lets get that one out of the way.
A pultec style 2u rackmount tube equalizer, the eqp wa rocks the look and feel of the classic original that graced countless hits. The pultec eqp 1a program equalizer plugin is a faithful electronic reproduction of the classic hardware equalizer. I used all three eqs from the pultec passive eq collection on the track below. Uad pultec eqp 1a vs pultec eqp 1a3 from 1971 shootout bass. Pultec eqp1a equalizer pro audio equipment diy diy vintage. With the ability to boost and cut at the same time, the pultec eqp 1a gives users multiple options of how to treat a shelf frequency, in a way that few other. I dont believe that the plugin is available outside of buying a full bundle, with the jjp analog legends bundle being its origin. Not a clone, not an emulation, this is a real pultec eq. What you hear is the eqp 1a on the stereo bus, the kick, and the distorted guitar on the left side. Built from the original pulse techniques pultec schematic with the layout designed around modern replacement parts filter caps.
The 3 ru eqp1a is the most desirable of all the pultec equalizers. The pultec eqp1a program equalizer plugin is a faithful electronic reproduction of the classic hardware equalizer. Oct 06, 2012 point to point, original tube circuit, pultec eq kit by recpro audio. This made a standalone pultec loseless because what went in came out the same level, but the signal was actually being enhanced by. As always, make sure that youve got the right version software that is compatible with your os and whatever recordingaudio software that youve got and your installation should be golden. This eqp 1 was based on filter circuits licensed from western electric and sounded great, but suffered the gain insertion losses typical of any passive filter, so theyupgraded their original unit to the eqp1a, which followed the eq section with a gain makeup stage using a pushpull design with. Hey there, heres a shootout of the uad pultec eqp 1a vs pultec eqp 1a3 from 1971 to check out equalizer shootouts gearshoot. The pultec passive eq plugin collection for uad2 and apollo hardware includes the ultimate plugin emulations of pulse techniques original passive eqs. All the software emulations of the eqp1a that ive seen follow this layout pretty faithfully, so if youve got a pultec emulation other. If there is a holy grail of vintage tube equalizers, the pultec eqp1a is certainly it. The uad pultec is modelled on a specially selected golden eqp 1a and, just like the analogue units, subtly enhances source material even when no eq boost or cut is applied. Recpro audio 2014 pultec eq kit images world class quality.
This made a standalone pultec loseless because what went in came out the same level, but the signal was actually being enhanced by the additional tube circuitry in all the right ways. Jul 03, 2014 this video shows a side by side comparison of the universal audio uad pultec eqp 1a plugin and the eqp 1s hardware version. The mercury eqp1 is based on the vintage pultec eqp1a circuit, which uses a passive eq circuit with a fully balanced pushpull gain make up amplifier. I have my preferences, but my suggestion is to go and demo as many as you can to find the one that works best for you and fits your budget links below. The lessintuitive of the eq pair is the eqp 1a, so lets get that one out of the way. Please feel free to contact us at 2396895941 or with any questions.
Built from the original pulse techniques pultec schematic with the layout designed. The pultec eqp 1a is a tube program equalizer designed via eugene shenk in 1951 year. It followed the eqp1 and preceded the eqp1a3, a 2 ru high unit with different transformers. Pultec eqp1a diy tube program equalizer analogvibes. The result was the model eqp1 program equaliser, which was introduced to the. But with its fully discrete circuitry and topdrawer components such as cinemag transformers and premium tubes, it also nails those elusive euphonic sonics that make your recordings come alive. Pultec passive eq collection uad audio plugins universal. Fabienvegas corporation is the parent company of recpro audio. Started originally as a rental company, owner rob dennis quickly figured out several other needs of his client base and evolved the company to offer additional services like, sales, remote recording, and video production. The controls are very simple as with a real pultec. I dont believe that the plugin is available outside of buying a full bundle, with.
I built it from this schematic posted by rafael texiera. Find great deals for yamaha spx90 ii reverb effects processor spx90ii spx90 u077351. Doa pultec page the g pultec the original schematics. The uad pultec is modelled on a specially selected golden eqp1a and, just like the analogue units, subtly enhances source material even when no eq boost or cut is applied. Diy pulse techniques pultec eqp1a program equalizer. Recpro audio is pleased to announce that all pultec eqp1a kits now include cinemag cmli4x150d input, sowter 1475 hs29 repro interstage and cinemag cms217d legendary peerless s217d repro output transformers, as well as a cinemag cml150t tapped inductor. Surely the audio industrys most copied product, in hardware and latterly in software, is the pultec eqp1a program equalizer. Modeled directly after the rackmount eqp1a3ss solidstate program equalizer, the pultec eqp500a is the exact same unit ported for the 500 series form factor. Racknroll have been servicing music row and beyond since 1997. Well, now you can grace your recordings with the sweet sound of the eqp 1a. This is the schematic for the pultec meq5 midrangeequalizer. Simply running a full mix or single instrument through it imbues the track with the legendary pultec analog magic.
The pultec eqp 1a is renowned for its unique ability to boost and cut the same frequencies simultaneously, thereby creating a resonant shelf. Though light on features, sporting only two bands of eq, it is an incredibly powerful tool and unsurpassed in the way it adds weight and sheen to a source. Modeled directly after the rackmount eqp 1a3ss solidstate program equalizer, the pultec eqp 500a is the exact same unit ported for the 500 series form factor. Recpro audio pultec eqp1a kit details 2017 pultec eqp1a kit. Schematic for an pultec peq1a type eq this is a piece of reverseengeineering i did because at the time nobody seemed to have access to the schematics. The eqp1a is fairly self explanitory, so you should have no difficulty becoming familiar with it. The eqp 1 utilized the passive circuit, but included a tube gain makeup amp to get around the typical 16db of gain lost from a passive eq. The pultec eqp1a is a tube program equalizer designed via eugene shenk in 1951 year. The eqp1 utilized the passive circuit, but included a tube gain makeup amp to get around the typical 16db of gain lost from a passive eq. Pultec eqp1a clone for recording studio proreplicas. There are so many other very good tubes out there, vintage and otherwise, its just sort of a mismatch or a waste.