Cosmodio Instruments Splinter Twin Time Modulator

The Cosmodio Instruments Splinter Twin Time Modulator is a pedal that works by cloning your signal, altering that clone in time, pitch, texture, phase and feedback, and then re-combining the altered clone with your original signal. Pedal of the Day calls it, functionally, a time modulation workstation, and Guitar Pedal X describes it as a Time Modulator for flanger, chorus, double tracking, slapback and echo effects¹². It sits in the same family of pedals as flanger pedals, chorus pedals and delay pedals, but it is built around one continuously variable delay line rather than separate effect modes.

The Cosmodio Instruments Splinter Twin Time Modulator is a delay line manipulator pedal whose character, in the words of Guitar Pedal X's review, is "resulting in yet another unruly, impressive and downright fun effects pedal."¹

What it does to your sound

The core idea is a single delay line that the player pushes around. Delicious Audio's Paolo De Gregorio describes it as a master delay-line manipulator that clones your signal and warps its time, pitch and texture before blending it back with the original³. Because the delay time can sweep from 340ms all the way down to an instantaneous double, the same control takes you from echoes and slapback through to the radical phase cancellations of through-zero flanging³.

The TIME control is labeled Flange > Chorus > Double > Echo, and it sweeps seamlessly across those territories rather than switching between them²⁴. Guitar Pedal X's Stefan Karlsson notes that Time is obviously the most significant control on the pedal².

Controls and voicing

The published descriptions name these controls:

• TIME: sweeps from 340ms of delay down to an instantaneous double, covering flange, chorus, double and echo¹³
• VOICE switch: adjusts the timbral character of the delay line itself, which Cosmodio says ensures optimal voicing for everything from bass and synths to guitar³
• DARK: works with the VOICE switch to shape the delay line's timbre³
• PREAMP: a responsive analog preamp section³
• 2x FEEDBACK footswitch: for performative, dynamic adjustments during play³
• MOD: extensive modulation control, per Delicious Audio's writeup³

There are also 3 Voice Options for how the clone relates to the dry signal: the first is a precise copy of your original dry signal, the second is a phase inversion of it, and the third covers Multi-Tap effects².

Analog and digital sections

The Splinter Twin is neither purely analog nor purely digital. Pedal of the Day describes a hybrid architecture with all-analog preamp, feedback paths, tone shaping and mixing circuits, with the delay line itself doing the time, pitch and texture work¹. Delicious Audio likewise highlights the responsive analog PREAMP section alongside the delay-line manipulation³.

What reviewers said

Guitar Pedal X's Stefan Karlsson, reviewing the pedal in November 2025, was unusually warm about it²:

He also noted "so many interesting tones on board - including various Rainbow Machine variants"². Pedal of the Day, reviewing it in December 2025, called it "yet another unruly, impressive and downright fun effects pedal"¹. Guitar Pedal X later listed it among the year's notable delay and reverb releases⁵, and in an August 2026 piece described it as one of the more expansive Delay Line Manipulators already out there, alongside other pedals⁵.

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