This tremolo pedal features an all-analog signal path that can do any variety or shape of standard volume modulation, harmonic tremolo (inspired by vintage Brownface) or both simultaneously for a truly unique and beautiful tremolo sound that sits just perfectly in a mix. The first thing your guitar hits in the signal path is a gorgeous, transparent, discrete class A clean boost circuit, and is followed by buffering and tone shaping with famed Analog Devices AD823 opamps for perfect tonal clarity, and analog warmth. Further, every knob and switch is connected to a little digital brain while your guitar signal stays 100% analog the entire time and never gets digitally processed. Since the control of the effect is digital, it opens up unprecedented effects and features that have never been heard or offered in analog stomp boxes.Classic Tremelo Reinvented
This is where the Gravitas excels, or should we say, shows its gravitas. Throbbing volume modulation oozes out of this pedal with classic and new sounds being very easy to dial in. There are 3 tremolo modes available: Standard, Harmonic, & Both. Standard mode is the classic style tremolo effect, and thanks to ModuShape (see below), you can achieve a smooth volume pulse or unconventionally offset and jagged warbles. Harmonic mode allows the LFO to modulate the Tone of your signal for a subtle and unique tremolo-style filtering effect. The “Both” setting is where things get really interesting. The Gravitas’ combination of Standard tremolo mode with the unique Harmonic mode is a most welcome twist on tremolo design as it provides a dynamic tone adjustment as the volume swells for a blooming effect in the upper frequencies. You can use the Tone knob to choose just how bright the tremolo gets at its peak. The effect is subtle yet beautiful; while I thought it might be an interesting novelty, it quickly became my preferred mode.ModuShape Controls
This has become a staple of the Chase Bliss Audio pedals released so far (see Warped Vinyl MKII & Wombtone MKII) and is a brilliant and simple way to set the LFO waveform for modulation effects. For a quick “classic” tremolo sound, simply set the Depth and Sway to noon and flip the 2 ModuShape toggle-switches to Sine (facing away from each other). From there you can adjust the Depth to taste. Pulling the flip-switches to their middle positions brings in a slightly sharper Triangle waveform, a great classic trem variation when used with lower Depth settings. Setting the switches inward to Square produces a hard trem effect that gets pretty choppy when maxing out the Depth. While it isn’t the most machine-like, gated chop I’ve heard in a tremolo (most likely due to the particular nature of this pedal’s analog design), it’s still more than adequate for producing those jagged stuttering trem effects, especially when used in a mix with other instrumentation. Also, using the various waveform halves in combination and exploring the Sway knob settings (which lop-sides the waveform) will yield some inspiring, unorthodox sounds.Even More Controls
If all that isn't enough for you, like all pedals designed by Chase Bliss Audio, the Gravitas features a dip switch grid on the back that offers complete control over any parameter on the pedal, both individually or simultaneously via expression control. With 16 different dip-switches on the back, 6 knobs on the front, 4 more toggle-switches on the face, 2 switchable presets, and 122 additional presets available to create and recall via midi, you'll never get tired of playing and experimenting with the Gravitas!
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