A sinfully fun filter effect with extraordinary range.
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RatingsPros:Vast array of cool envelope filter effects. Expression control. Effects loop. Quality build. Cons: The response potās taper feels lopsided. A bit pricy. Street: $349 3 Leaf Chromatron 3leafaudio.com | Tones: Ease of Use: Build/Design: Value: |
Reviewing a full-featured envelope filter like 3 Leafās Chromatron can feel like evaluating two different products. One of them is quite cool, and the other is ridiculously cool.
Used on its own, the Chromatron is a fine-sounding filter box in the Mu-Tron III or Electro-Harmonix Q-Tron vein, with excellent renditions of the familiar ā70s-style wah and quack effects. But when you insert other stompboxes into the Chromatronās effects loop, control the filter cut off with an expression pedal, or overdrive the pedal with upstream distortion, the Chromatron becomes a freaky, ferocious noise bomb.
Inside the Box
Yes, the Chromatron is most potent when you populate all five of its rear-panel jacks. But letās start with what the pedal does with only input and output cables connected.
Five knobs and four toggle switches provide a wealth of filter options. The response (sensitivity) and resonance (feedback) controls are similar to those on most envelope filters. One toggle selects between upward and downward sweeps. Another chooses low-pass or band-pass filtering. (The former is your classic funky filter effect, which retains low frequencies, while the latter filters out frequencies above and below the cut-off frequency for wah-type sounds.) A third toggle provides two filter bandwidth settings.
Offbeat Options
The remaining controls are more unusual. The envelopeās response is determined solely by a sensitivity knob, or maybe an attack time control, on many envelope filters. But the Chromatron has independent attack and decay knobs, which permit slow-rise effects, bubbly percolation, and slow, synth-like sweeps.
Meanwhile, an independent tone control determines the upper limit of filter sweeps. Itās handy for fine-tuning tones after youāve dialed in the ideal resonance, attack, and decay settings. Thereās a wet-dry blend, which can soften the intensity of extreme filtering effects, or add low-end mass to strangled band-passed tones. Finally, thereās a post-filter boost stage. Depending on the Chromatronās resonance and bandwidth settings, the output level can vary greatly. This added control levels the playing field while specifying how hard the Chromatron drives your amp and any downstream effects.
Expressionist Art
The first demo clip (Clip 1) showcases the Chromatron with only a guitar and amp connected. Clip 2 shows what happens when you connect an expression pedal (not included) to control the cut-off frequency.
An expression pedal transforms the Chromatron into a superpowered wah. Bandpass mode with a 100 percent wet mix setting delivers classic Hendrix/Clapton flavors. In low-pass mode, you can get everything from near-subliminal sweeps to shrieking feedback, depending on your resonance and mix settings. (The Chromatron has no high-pass setting.) The range and mix controls provide further variation.
The Fuzzier, the Merrier
For the third audio clip (Clip 3), I added a couple of homemade stompboxes: a germanium booster in front of the Chromatron and a gnarly fuzz in the pedalās effect loop. Some passages feature just Chromatron and fuzz. Others add the upstream distortion, and a few include expression control. Clip 3 is twice as long as the other two because I was having twice as much fun recording it.
Survey the wreckage! Adding fuzz unleashes a menagerie of wild sounds. Tones can howl, cry, grunt, gargle, or hock loogies. Modest adjustments to filter and fuzz settings can yield huge tonal changes. You can fiddle for hours, concocting one vicious tone after another. Sounds can get seriously extreme, though you can always soften their impact via the mix control. This configuration is especially useful for overdubs and doublesāyou can choose just the right emphasis to suit a mix. Itās so much fun that itās probably illegal in a dozen states.
The Chromatron is hand built in the U.S. using top-shelf parts. The circuit board features a mix of surface-mount and through-hole parts. The hardwareās nice. The custom machined aluminum enclosure has cool beveled edges. The soft-touch relay footswitches feel great. The knobs are metal, although the jacks are plastic. All hardware is board-mounted. The Chromatron runs on standard 9-volt power supplies and has no battery compartment.
The Verdict
The Chromatronās mix of standard and unconventional controls provides an extraordinary assortment of envelope filter sounds. The pedal sounds excellent on its own, and amazing when you exploit its effects loop and expression control. At $349, the Chromatron is pricy, but most lower-priced options canāt match its range. One possible exception is EHXās Riddle, which also includes expression control and an effects loop and sells for about $200. But thatās a mass-produced pedal, not a handbuilt boutique model. Price notwithstanding, the Chromatron is one of todayās most versatile, expressive, and outrageously fun filter effects.
The pedal has a broad frequency response that works with any instrument, and a low-noise signal path using audiophile-grade components.
Seattle, WA October 31, 2018) -- 3 Leaf Audio is proud to introduce the Chromatron, a state variable filter like no other. The result of 10 years tweaking, refining, and reimagining the state variable filter circuit. It is an optically-controlled analog filter that can switch between envelope control and manual control via expression pedal with the push of a button. The envelope detector is an original design, producing a musical filter response that spans a broad range of tones from vintage quack to future-synth psychedelica.
The ChromatronĆ¢ā¬ā¢s control set offers precise control over the tone and response of the filter. The mode footswitch toggles between envelope control and the expression pedal input, so that the Chromatron can act as both an envelope filter and a wah. An integrated effects loop allows the user to use dynamics-killing fuzzes and overdrives while retaining a smooth and consistent response from the envelope detector. The response knob has a wide input range that accommodates everything from the loudest active bass to a vintage strat.
The Chromatron has a broad frequency response that works with any instrument, and a low-noise signal path using audiophile-grade components. It is housed in a machined aluminum enclosure that is modern yet timeless. Every detail has been engineered to last a lifetime of stage and studio use.
Built with precision at the 3 Leaf Audio workshop in the Pacific Northwest, the Chromatron is offered at $349 USD.
The Chromatron is now available.
Watch the company's video demo:
For more information:
3 Leaf Audio
The acclaimed bassist rebuilds a set of cover songs on her latest album, Ventriloquism, while focusing on her personal connection to classic soul and R&B;, and creating plenty of room for all-star guitar contributions.
Meshell Ndegeocello believes people connect with the most essential elements of songs: melodic hooks, words, rhythms. This utilitarian mindset is a big part of what makes up Ndegeocelloās signature sound as both a songwriter and as a player. Whether recording her own compositions, taking on cover material, collaborating with other musicians, or doing studio work, she consistently follows her own artistic vision.
As an accomplished collaborator and session artist, sheās worked with big-name artists across genres, including Herbie Hancock, Madonna, Chaka Khan, and the Rolling Stones, and has brought her personal touch to those sessions with the same gusto she delivers in her own work. Her bass tone and playing style is instantly recognizable, likely due in some part to her no-frills attitude about gear. āI learned early because I was poor,ā she told Premier Guitar during our interview. āYou canāt have any excuses. You play well and the tone is in your hands.ā
Over the course of the last two and a half decades, Ndegeocello has been a prolific songwriter, from her first releaseā1993ās Plantation Lullabies, which featured the single āIf Thatās Your Boyfriend (He Wasnāt Last Night)āāthrough 2014's Comet, Come to Me. Sheās also explored cover material throughout her career, including one-off tracks like her 1994 collaboration with John Mellencamp (a version of Van Morrisonās āWild Nightā) and tribute albums such as her 2012 record, Pour une Ćme Souveraine: A Dedication to Nina Simone.
On her newest record, Ventriloquism, Ndegeocello takes the essential elements of songs popularized by artists such as Prince, Sade, George Clinton, Tina Turner, Janet Jackson, and TLC, and rebuilds them in her own musical voice. But the bassist is not willing to take all of the credit. Sheās quick to mention that āMeshell Ndegeocello is a band,ā and that her bandmates are a part of the creative process. In addition to her long-time collaborators in Chris Bruce on guitar, drummer Abe Rounds, and Jebin Bruni on keys, Ndegecello also called on a few hot-shot guitarists to contribute, including Adam Levy, Jeff Parker, and Doyle Bramhall II.
During our phone interview, Ndegeocello chatted about Ventriloquism and her longtime career as an artist, but also took some time to talk about making albums, whether there is still room for mistakes on records, and the value of honest performances.
Throughout your career, youāve done quite a few covers. Ventriloquism features a range of covers filtered through your own musical lens. How did you choose your material?
On this one, I just chose the songs I like. I chose songs from my childhood. I had a lot of help with this from friends, just talking about this record. My father died, so I would go home and there was a certain station and they would play old songs, from my teenage years. āTender Loveā [by Force MDs] sort of sparked the conversation.
That was the first one you chose?
Yep, and then that turned dinner conversations into, āI remember where I was when that song came out.ā āI Wonder If I Take You Homeā was the second one that started to circulate in my mind, and then I was in the car one day and I heard āNite and Day.ā That just led me on the journey to the songs I really dug from that part of my life. I love āSensitivityā and āTender Loveā and āFunny How Time Flies,ā and then I realized they were all written by Terry Lewisand Jimmy Jam. I just started to weave something together where I couldnāt explain what Iād hear or see as the outcome, but just try to pick the ones that felt goodāthat felt true to who I was and the R&B that I dug.
I always loved āPrivate Dancer,ā because it's written by Mark Knopfler and that was from that moment in time where there was a lot of songwriting coming from artists who had hits. I miss that period. There were all these little sleeper tunes, like all the tunes Prince wrote, for the Bangles and stuff like that. Now Iām wondering how many songs Ed Sheeran has written for modern artists right now that you donāt know about.
When a song speaks to you, how do you find the right arrangement and what kind of decisions do you make with the band?
This record was done totally as a band. Usually the takes are second and third takes, but we ran through them for a couple of days just to see which ones felt right and where we could reconfigure them in different ways. On āSmooth Operator,ā we tried doing it like it was, approaching it from the same place. Itās such a good song, you canāt fix whatās not broken. So, we were like, āJust throw it away.ā
I have this belief, now, that a song is just the lyric, the melody, and the beat. I feel like those are the things that connect with the people. So, the drummer had this groove, and we just threw away all the other stuff and I just maintained the melody and put it in 5. Just to do something different. To me music is audible collage and Iām just trying to make all the colors and shapes work.
TIDBIT: āMy brother played guitar. I just have a serious affinity for it,ā says Meshell Ndegeocello. In addition to longtime guitarist Chris Bruce, she brought in hot-shot guitarists Doyle Bramhall II, Adam Levy, and Jeff Parker to add 6-string colors to Ventriloquism.
How about production decisions, things like that?
That just comes in a real fluid way. We just all work together to figure out what works and doesnāt work. It was produced by the keyboard player, Jebin [Bruni], who made a lot of the harmonic and color texture choices.
When I get to L.A., the record thatās the soundtrack to my life is Harvest by Neil Young. Thatās the record I listen to when I roll down the street. I remember asking Chris Bruce, the guitar player, āāTender Loveāācan you make it sound like Harvest?ā So, heāll zap into those ideas and arrange the guitar part.
Iāve been told that I gotta check out Chris Bruce. Youāve worked together for a while, right?
I met him making [1999ās]
Bitter. When I was making that record, I worked with my really good friend [producer] Craig Street, whoās produced a lot of really amazing records, and he just persuaded me to trust him and he brought in all new people. Abe Laboriel, Doyle Bramhall II, Wendy [Melvoin] & Lisa [Coleman] are on Bitter, and Chris Bruce played a lot of the guitar on Bitter. And that was just the beginning.
You know how people say brother from another mother? Thatās what it was like. I felt like I met my cosmic friend. Heās just a top-shelf player. He plays all styles. Heās played with Seal, heās played with Wendy & Lisa, Sheryl Crow, Aimee Mann. Youāve probably heard his work but you donāt know itās him. Heās that kind of session guy, but heās also probably the worldās greatest DJ because he listens to such a range of music. Heās the person thatās got me into Wire and Mark E. Smith and the Fall. Heās the person thatās just shown me thereās so many other ways to express yourself.
As a player, he has one of the cleanest, best tones. Thatās what separates him. Iāve played with a lot of guitar playersāa lot of famous people that people love and Iāve played in the studio with them and Iāve seen the magic. But Iāve played with those super famous people live and their tone is not as developed in the live sense as it is in the studio. Chris Bruce, his tone live, it brings you to tears. Itās warm, itās fat, he doesnāt noodle, his pocket is incredible. I canāt say enough about him. Heās just a super-gifted musician who happens to play the guitar well.