The function of each knob is clearly delineated. We decided to find out. The KT model uses custom transformers designed by the English audio … The source was the same 20Hz to 48kHz sine wave sweep. It is fascinating to hear how big a difference that makes in the sound. The Waves PuigTec EQP-1A and MEQ-5 tube-style equalizer plug-ins give you the sound and unique... Super-realistic, Vintage ADT Effect with Bundled Plug-ins, 5 Easy Ways to Make Your Podcast Sound Better. As the oldest Manley unit that has been continuously in production, the Manley Enhanced Pultec is unique as the only single-rack-space unit in this lineup. The Pultec knob layout. The Warm Audio WA76 is proving successful, but there is room for improvement. Do they capture the Pultec magic? If you’re looking for inexpensive clones of one or the other, you have many options, including the Warm Audio WA-2A, UK Sound 276, Stam Audio SA-76ADG, and Klark Teknik 1176-KT, along with countless plug-ins.But to my knowledge, no one has ever done this: A … We did the same on the Broad setting for the HF boost, calibrating to within 0.1dB (if knob detents allowed). KLARK TEKNIK is proud to incorporate custom-designed MIDAS Input and Output transformers in the KT-2A for the ultimate in high-quality audio reproduction in both live and studio environments. Many engineers have discovered that some of the Pultec magic can be accomplished just by patching the unit (transformers and tube “push-pull amplifier”) into the signal path, even without switching the EQ in. Back in the 1950s, when electrical engineers Eugene (Gene) Shenk and Oliver (Ollie) Summerlin started a company called Pulse Techniques (Pultec), they designed and created what has become one of the most unique and desirable equalizers of all time — the Pultec EQP-1A. Warm Audio WA76 Limiting Amplifier 1176 Reproduction. Can Klark Teknik can pull it off? Vintage units (and many contemporary units) exhibit a gain change when they are patched into the circuit. We are going to take a new approach to our review as there is lots of history and reviews on the 1176 that cover that side already (see some handy links at the bottom). It features custom Manley-designed transformers. I was floored by how I could add all the presence and brilliance I wanted without any sibilance or harshness. In these clips you will hear the drums starting flat and then the boost knobs are gradually increased until they are at full value for the last 8 seconds of the clip. For the hardware units, we took a single calibrated analog output from the Avid MTRX and went into each unit and then back into a calibrated input on the MTRX and recorded the resulting audio. First off, although the numerical values for boost and cut on a vintage Pultec are from 0 to 10, those values are not in dB. Here are the curves from the hardware units we tested. Warm Audio EQP-WA. THE MOD IN THE BOX! This Softube Tube-Tech models the hardware PE 1C original. So I wondered if the Klark Teknik would help at all. It took me six years to find the pair that I eventually bought. Modification Services for Klark Teknik Kt-76. We gathered together eight hardware units that aspire to the Pultec sound and chose to include seven Pultec-style plug-ins. We boosted the low frequencies (LF) at 30Hz and boosted the high frequencies (HF) at 12kHz, set to Broad bandwidth. The Avid Pultec Bundle offers the classic EQP-1A, EQH-2, and MEQ-5 equalizers all in one bundle. Similarly, with the HF boost set to the highest audible octave — 10KCS (kHz) Broad — its bandwidth reaches down to 200Hz, over five octaves lower. The source is a 20Hz to 48kHz sine wave sweep. He also produced the world-renowned 3D Audio CDs, a series which allows listeners to compare mics, preamps, analog-to-digital converters, DAWs, and summing, giving them the ability to hear the differences in their own spaces. ):http://bit.ly/artlist_zedmartyproductionGET HIGH-QUALITY STOCK FOOTAGE FOR YOUR VIDEOS (Extra 2 Months Free! The current owner of the Pulse Techniques brand, Steve Jackson, bought the name Pulse Techniques and is manufacturing “true to the original” reproductions. , Warm Audio WA-412 4-channel Microphone Preamp 4-channel Mic Preamp/DI with Fully Discrete, Transformer-coupled, Through-hole Component Topology; 20dB Pad, Phantom Power, LED Metering, and Output Trim Per Channel $1,199.00. 3. “Just pick the same frequency on all the units and turn the boost knobs up to 5 and see how they sound.” Ha! He has hosted recording forums since 1998, both on the internet (3dB) and Facebook (3D/FB). While comparing settings on the units, we noticed that identical knob settings yielded very different Boost/Cut amounts. Alternatives. — from the Pultec EQP-1A manual, ca. I was reminded how much I love the Pultec sound, just as much as I did when I discovered it 25 years ago. 5501 U.S. Hwy 30 W, Fort Wayne, IN 46818 Again, how does it do that? Lynn Fuston spent 37 years behind recording consoles in dozens of studios in Nashville, as well as doing remote recordings around the globe. For the plug-ins, we took the flat (non-EQd) audio track and inserted the plug-in on that track and recorded the processed audio. Broad and Sharp refer to the bandwidth of only the High Frequency Boost knob, with broad affecting the widest frequency range. You can listen to both of them side by side. The goal was to recreate the original design as identically as possible, including … Several of the people who listened as we were recording had never heard a hardware Pultec before — most had only heard the software plug-in versions. That’s wide! When trying to get lots of details absolutely right, it helps to have three sets of eyes and ears. In order to give you an idea of how each of these sounds as you gradually increase the boost, we decided to gradually “wind up” the gain as the audio clip progressed. I decided not to include an original vintage Pultec, because even the youngest original Pultec is nearly 40 years old. Thankfully, these days getting that Pultec sound is far easier and more affordable. Or the brilliance and sweetness on the top end? The WesAudio LC-EQP is made in Poland, features a striking internal layout, and is the only unit that offers low boost and low cut with independent frequency selects for each filter, similar to the Lang EQ. Fuston is now the Manager of Written Content for Sweetwater's web and print publications. Its 3RU form factor, just like the EQP-1A, belies the clean, high-tech interior design. D) Compressor. The Warm Audio WA76 Limiting Amplifier is a reproduction of the legendary 1176 (Rev. The design is fairly warm but very anemic in the low end and lacks the sonic imprint of its name sake. The Warm Audio EQP-WA includes CineMag input and output transformers. When I would use my pair of vintage Pultec EQP-1A3s (serial #s 9727 and 9728) when mastering, sometimes I didn’t even switch in the EQ, but just ran the signal through the transformers and tubes for the wonderful sonic glue it imparted. And I could grab as much warmth and fullness as I desired without the bottom end getting muddy or thick. This passive EQ design utilized transformers and tubes (common at the time) with a unique tube makeup gain circuit (uncommon at the time) to compensate for insertion loss, meaning that a Pultec could be inserted at unity gain. And there are software designers that have modeled and interpreted the Pultec sound into plug-ins. The IK Multimedia T-RackS offers a resizable plug-in window and recallable presets along with M/S processing. As part of our testing, we discovered that some of the software plug-ins model this change as well, modifying the level and sound when in Bypass. BOOST and ATTEN do just what they say — boost and attenuate. His reproductions are so accurate that the differences between his new units and the vintage originals is that his new ones have 1) detachable IEC power cords and 2) XLR in and out connectors instead of terminal strips. Here are frequency response curves from the hardware units with boost set to 10 at 30Hz and 12kHz Broad. IN addition, the release time of the T4-B opto Cell is very fast and leaves a lot of artifacts … The iZotope Ozone 8 Vintage EQ could easily be overlooked as a Pultec-inspired EQ because of its very distinctive non-vintage look and control configuration. The three groups (separated by the red lines) show which knobs and switches operate together. Many people have never seen the Pultec frequency response charts (the charts from the original manual are included below) and don’t realize that boosting at 30CPS (cycles per second, or Hertz) on a Pultec affects frequencies all the way up to 1000Hz, five octaves higher. The biggest difference I could discern between the two, though, was the way the low‑frequency control (35Hz) rolled off the lows on bass guitar; the Warm unit seemed a bit punchier when it was cleaned up. 0:07 Boost knob is at 5 Here are the knob settings (below) for identical boosts on each unit. How Video Brings Context to Audio. The Retro Instruments 2A3 distinguishes itself by offering two channels in one unit and also adds a switchable subsonic filter (40Hz or 90Hz). Every unit was tested using the same exact output/input and same exact cabling. Audio files are great, but rarely do EQ's and compressors have the exact same settings. The TUBE-TECH PE 1C Program Equalizer contains a low frequency boost and attenuation section (shelving), and a high frequency boost section (peaking). review warm audio eqp-wa vs klark teknik eqp-kt, pultec-style tube eq shootout by Mark King for proworkshop.com We've been using the Warm Audio EQP-WA since they first hit the market, as early adopters we purchased two from the very first batch, we've since added a second pair because we liked the first pair so much. All units were powered up for 12 hours before we began recording. I have seven 1176 compressors now, one is a UA (my first one acquired back in 2005), two are I bought them in 1993 from the original owner. This drum track was recorded at Sweetwater Studios. With over 28,000 articles and counting, inSync is your FREE resource for breaking news, reviews, demos, interviews, and more. The selection of tubes provide low-noise analog output with balanced, warm bass, silky-smooth midrange and brilliant airy treble. I remember the first time I used one (on a Russ Taff record in the 1980s). The two columns in the chart below show the gain change when (a) the unit is inserted with the EQ switched out and (b) with the EQ switched in. Even though the company went out of business in the 1980s, demand for these amazing equalizers never decreased and prices for vintage versions continued to climb. The surprisingly affordable Klark Teknik EQP-KT features Midas-designed transformers. Their combination of the highest-quality transformers and incredibly broad (low-Q) frequency bands translated into what is still one of the sweetest-sounding EQs ever made. On the KT-76 we offer a wonderful circuit upgrade, just as we do with the WA76 that moves these Project Studio Grade 1176 compressors to the Big Leagues. We pay homage to this audio-processing pioneer that has graced so many recordings, with our EQP-KT Classic Tube Equaliser. #blacklion #blacklionaudio #studioporn #audioengineer #audioproduction #recordingartist #musician #recordproducer #klark #klarkteknik #compressor #optocell #t4b Share. I would love to see this thing compared to the Warm/Stam/Heritage units! Find out more about MIDAS’ amazing legacy by visiting their extensive website. Also, software models are true to the one specific unit that was modeled, which may not sound the same as another unit. The first unit (the tube Pultec EQP-1A3) was dialed in by ear and then we matched all subsequent units to the same measured values of boost. 1951. The Waves PuigTec is a replication of the original Pultec owned by renowned producer/mix engineer Jack Joseph Puig. The name of each unit is at the top left of each waveform display. To learn more about our cookie policy, please visit our Privacy Policy. What I love about using a Pultec is that the more I boost the EQ the more it makes me smile. IGS Audio, for example, offer the One LA. Next we turned both the LF Boost and LF cut to 10 and changed the high frequency to 4kHz and Sharp and boosted it to 10. The high frequency... Manley's 'enhanced' Pultec EQs deliver the same sweet sound and control as the vintage original, but... What if you could juice your tracks with massive bass, shimmering air, and addictive warmth - without having to shell out a fortune? Store Hours, If you have any questions, please call us at (800) 222-4700. We calibrated all the hardware and software this same way. One of the great things about Pultecs is how audio just blossoms as you turn the knob farther and farther. You are strongly encouraged to use the highest quality listening system to audition these files so you can fully appreciate the differences. Simply Select your Modification Service and from the options Menu select Authentic Knob Upgrade and Stereo Link option. The Klark Teknik version is a bit of a surprise as to how non LA2A it sounds. The sonic differences are most evident when the knobs are wide open. We chose four audio clips to demonstrate the sound of the Pultecs. Comparing EQs is easy, right? TRANSFER: You may not rent, lease, lend, sell, redistribute, sublicense or provide commercial hosting services with the Software. 0:12 Boost knob is at 10. Could we devise a way to compare just the sound of the units with identical boost settings? You can see the differences in the resulting boost and bandwidth among the units. Sweetwater Sound MUSIC FOR YOUR VIDEOS (Extra 2 Months Free! That’s why today there are numerous companies making Pultec clones. With that decision out of the way, we proceeded to gather the contestants and design a listening test. The Universal Audio UAD-2 Pultec EQP-1A is designed to work with UAD hardware and offers zero-latency monitoring. In this first image, the boost is set to 10 at 30Hz and 12kHz Broad. See the image below to understand the knob groupings. Note that only two plug-ins (Avid and iZotope Ozone) are actually unity gain when inserted (0 in/0 out). Happy customers, one piece of gear at a time! My personal mid-’60s Pultec EQP-1A3 pair showing the consecutive serial numbers and attached power cables. Klark Teknik 76-KT. The Warm Audio EQP-WA includes CineMag input and output transformers. The High Frequency controls are grouped in the middle: Boost only, Bandwidth, and High Frequency select, which goes all the way down to 1kHz in the midrange. We build a dedicated system for capturing audio reference files within each category. (Even better than tape — heresy, I know!). Klark Teknik EQP-KT -- AND The Future of Music! In my opinion, the real magic of the Pultec sound is in (a) the transformers, (b) the tubes, and (c) the incredibly wide bandwidth of the filters. Klark Teknik EQP-KT. 0:02 Boost begins Urei Rev F vs UAD 1176 Rev E Plugin vs Warm WA76 The 1176 is one of the most famous compressors on the planet. Finally, the two rightmost controls are ATTEN and ATTEN SEL for attenuating high frequencies above the selected frequency: 5kHz, 10kHz, or 20kHz. Their range encompasses affordable copies of classic compressors, EQs, mic preamps and now microphones, of which the latest is an homage to one of the great studio workhorses. I’m sure Warm Audio will shift more than a few units to professional studios too. Some plug-ins even mimic this gain change. Obviously, Universal Audio continue to make a version of the LA-2A, and various manufacturers make similar units. This forces us to follow a path with our ears on every track we make, and we are limited with what each piece can do. How was that possible? Meanwhile, I'm going to focus here on the two newly released models from Texas-based manufacturer Warm Audio: their WA‑DI‑P is a passive device, whereas their WA‑DI‑A can operate in either passive or active modes. The Apogee FX Rack Pultec EQP-1A Program EQ was developed in conjunction with Steve Jackson’s Pulse Techniques and has his blessing. 0:00 No Boost One of my colleagues recently commented that it basically costs as much as the chassis and parts. Thanks also to Steve Jackson of Pulse Techniques, Phil Moore of Retro Instruments, EveAnna Manley of Manley Labs, Brad Lunde and David Seal of TransAudio Group, Dan Anckney, and Roger Robindore of Apogee for all their help in accomplishing this ambitious project. The knob layout on a Pultec is very nonintuitive and still confuses users to this day, so I will walk you through the controls. ):http://bit.ly/artlist_zedmartyproductionGET HIGH-QUALITY STOCK FOOTAGE FOR YOUR VIDEOS (Extra 2 Months Free! MUSIC FOR YOUR VIDEOS (Extra 2 Months Free! We also chose to listen to seven plug-ins, listed in alphabetical order. This is an excerpt of Russ Taff’s “There’s a Hallelujah in It All” from his new album Believe (2018), produced here at Sweetwater Studios by Phil Naish and Mark Hornsby. Now is the perfect time to get the gear you want with simple, promotional financing. So I decided right up front that we would only compare contemporary units. On the software versions, we used plug-in automation to gradually boost the HF and LF from 0 to 10 as you can see in these automation tracks in Pro Tools.

On the front of the device there is an old-school VU meter harkening back to studio gear from the 1960s and 70s. In addition to his time at the board, he's been a contributing writer/editor for recording magazines such as EQ, ProSound News, Audio Media and Pro Audio Review since the '90s. Listen carefully to see how close Apogee came to duplicating the sound of the current Pultec tube unit. The Pulse Techniques EQP-1A3-SS is the same chassis and circuitry as the tube Pultec above, except it uses a solid-state amplifier section instead of tubes. I fell in love with the Pultec sound — at a time when vintage units were hard to find and even harder to afford. It’s not so much the function of the knobs as the layout that confuses people. The internal component view of the Pulse Techniques EQP-1A3. The KT-2A produces a warm sound which comes from a premium set of tubes. Viewed from the one side, these two … To make sure we were adding the same amount of boost on each unit, we chose to use a sine wave at a chosen frequency, say 30Hz for the low band, and then boosted a specified amount and calibrated them to within 0.1dB. Otherwise we would only be comparing the variation in the different knob settings. Warm Audio have a simple but very effective business model based around recreating vintage studio hardware on a budget. Here's what Klark Teknik say about the EQP-KT: If ever there is an official “Audio Technology Hall of Fame”, it will definitely include a shrine to the legendary Pultec EQP-1A. Just so you can see how wide the variations are, here are the knob settings (below) that result in identical boosts at 30Hz and 12kHz Broad. This website uses cookies to improve your experience. The surprisingly affordable Klark Teknik EQP-KT features Midas-designed transformers. Being music makers ourselves, we love geeking out on all things gear.
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