What This Pedal Actually Does For You
The Warm Audio WA-C1-Mod is a 100% analog chorus and vibrato pedal built to recreate the vintage tone and feel of the legendary original chorus/vibrato pedal that shaped decades of guitar and bass recordings, while adding modern control options not found on the vintage unit. It's designed for guitarists and bassists who want that classic, lush modulation sound associated with iconic recordings from bands like The Police, Queen, Stone Temple Pilots, Rush, and Red Hot Chili Peppers, but with more flexibility to shape and refine that tone to fit modern playing styles. The pedal includes a dedicated vibrato section alongside its chorus circuit, along with an always-on, fully analog preamp stage that adds warmth and character to the signal regardless of which effect is engaged. Separate rate and depth controls give players independent command over how fast the modulation moves and how deep that modulation effect reaches, expanding well beyond what the original vintage design allowed. For players chasing authentic analog chorus and vibrato tone with a wider range of usable settings, the WA-C1-Mod offers both the vintage character and the added control modern players expect.

Built on Genuine Bucket Brigade Device Circuitry
At the core of the WA-C1-Mod is a true Bucket Brigade Device analog chorus circuit, the same fundamental technology responsible for the lush, warm midrange depth and detail found in the most respected vintage chorus pedals. On original vintage units, an "intensity" control increased the speed of the LFO's triangle wave shape, which in turn affected the BBD chip's delay time to produce a lusher tone and faster modulation rate. The WA-C1-Mod builds on this same fundamental circuit design while extending its range, allowing players to dial in more subtle, restrained depth settings alongside the same faster, more intense rates the original was known for. This means the pedal can recreate the exact wobbly, rich modulation character of the vintage original when pushed to its limits, while also offering more delicate, understated chorus tones that the original design couldn't access as easily.

Expanded Controls for a Wider Tonal Palette
Where the original vintage pedal linked rate and depth together through a single intensity control, the WA-C1-Mod separates these two parameters entirely, giving players independent control over modulation speed and modulation depth. This separation opens up a significantly wider range of usable tones, from fast, shimmering chorus effects to slow, deep vibrato sweeps, without being locked into the fixed relationship between rate and depth that vintage units imposed. A dedicated brightness control is also included, letting players push the tone from a warmer, more vintage-leaning character toward a brighter, more present top end depending on the mix or playing context. This kind of expanded control set makes the WA-C1-Mod considerably more versatile in a modern studio or live rig than a strict vintage reissue would be, without sacrificing the core analog character that made the original so respected.

Hi-Z Switching for Two Distinct Eras of Tone
A standout feature of the WA-C1-Mod is its switchable hi-z setting, which instantly shifts the pedal's overall character from a warmer, more vintage-leaning tone reminiscent of 70s-era chorus pedals to a brighter tone with added upper-midrange and treble content associated with 80s-style chorus sounds. This gives players access to two genuinely different tonal eras within a single pedal, rather than needing separate units to cover both vintage and more modern chorus tones. Guitarists and bassists working across different genres or trying to match a specific era's sound in a recording session will find this switch particularly useful, since it removes the need to choose between two distinctly different chorus pedals for different projects.

Input Sensitivity Control for Added Headroom
The WA-C1-Mod also includes a switchable "high" input sensitivity setting, designed to add extra headroom and clarity to the pedal's overall tone when engaged. This is particularly useful for players running hotter output pickups or higher-output instruments into the pedal, where additional headroom helps prevent unwanted clipping or a compressed feel in the modulation effect. Engaging this setting can also simply clean up and clarify the overall tone for players who prefer a crisper, more defined chorus or vibrato sound regardless of their instrument's output level. This kind of practical, tone-shaping control reflects the pedal's overall design philosophy of building meaningfully on the vintage original rather than simply replicating it exactly.

Visual Feedback and Premium Analog Components
The WA-C1-Mod includes a flashing LED on its face that provides visual monitoring of the effect currently engaged as well as a visual indication of the modulation rate in real time, giving players an at-a-glance reference for their current settings during a performance or session. Internally, the pedal uses premium analog components, including the MN3007 Xvive BBD chip, a modern, high-quality reproduction of the bucket brigade device technology that defined the sound of the original vintage pedal. This commitment to genuine analog circuitry, rather than digital modeling or emulation, is central to how the WA-C1-Mod achieves its authentic vintage tone and feel, staying true to the sound and playing experience players expect from a proper analog chorus and vibrato pedal.

Who Should Consider This Pedal
The Warm Audio WA-C1-Mod is a strong fit for guitarists and bassists who want the specific, legendary chorus and vibrato tone associated with classic recordings from artists across rock, alternative, and pop genres, while also wanting more flexibility than a strict vintage reissue provides. It's particularly appealing to players who record across different eras of tone, since the hi-z switch alone gives access to both warmer vintage character and brighter, more modern chorus sounds. Anyone chasing genuine analog BBD-based modulation, rather than a digital approximation, will appreciate the pedal's commitment to authentic circuitry paired with practical, modern control additions.