4ms

Explore 30 4ms vintage synthesizer models — specs, production history, reviews, and market values in the VTA archive.

Modular

• Clock Multiplier — The 4ms Shuffling Clock Multiplier (2012–2022) redefined Eurorack timing with swing, slip, and skip—making machines groove like humans.
• Delay — The 4ms Looping Delay offers pristine, clock-synced echoes and 87-second loops in a compact Eurorack module—ideal for rhythmic precision and live performance.
• Divider — The 4ms Rotating Clock Divider reshapes rhythm in Eurorack with voltage-controlled rotation of eight clock divisions—chaotic, musical, and endlessly mutable.
• DLD — The 4ms DLD is a dual-channel, clock-synced digital looping delay with up to 3 minutes of pristine memory per channel—precision time manipulation for advanced modular systems.
• DLD Firmware v5 — 4ms DLD Firmware v5 (2016) transformed the dual delay into a rhythmic powerhouse with quantized changes, Ping Lock, and de-jittered clock sync.
• Dual EnvVCA — The 4ms Dual EnvVCA is a no-nonsense analog envelope generator and VCA pair—simple, reliable, and capable of everything from percussive hits to 30-minute drones.
• Dual Looping Clock Divider — The 4ms Dual Looping Clock Divider (2009–2018) brings musical, voltage-controlled looping division to Eurorack—ideal for polyrhythms and generative sequencing.
• Dual Looping Delay — The 4ms Dual Looping Delay offers 88 seconds of pristine digital delay per channel, deep CV control, and rock-solid clock sync in a 20HP Eurorack module.
• Dual Looping Delay Black — The 4ms Dual Looping Delay Black is a 20HP Eurorack module offering up to 3 minutes of pristine digital delay, clock-synced looping.
• Dual Looping Granular Sampler — The 4ms Dual Looping Granular Sampler brings high-fidelity stereo sampling and granular scrubbing to Eurorack in a compact 12HP module with hands-on control and real-time resampling.
• Dual VC Octave Switch — The 4ms Dual VC Octave Switch delivers glitch-free, voltage-controlled octave transposition for Eurorack with unmatched analog precision and reliability.
• EnvVCA — The 4ms EnvVCA is a compact, analog envelope generator with built-in exponential VCA, offering extreme time range and seamless LFO cycling in 8HP.
• EOM — The 4ms EOM blends 16 sine oscillators into evolving harmonic textures, redefining what a single synth voice can be. Covers full specifications.
• LD — The 4ms LD is a compact analog looping delay for Eurorack, prized for its hands-on performance and warm BBD character. Covers detailed specs.
• Micro Modular Recorder — The 4ms Micro Modular Recorder captures pristine 24-bit/96kHz audio in a 6HP Eurorack module — simple, reliable, but with a cryptic interface.
• Mini PEG — The 4ms Mini PEG is a compact, clock-synced envelope generator that turns rhythmic pulses into evolving, shape-shifting modulation with deep CV control.
• modules — 4ms Eurorack modules — DLD looping delay, Ensemble Oscillator, EnvVCA, Rotating Clock Divider. Compact, concept-driven designs built around the Ping clock.
• Multi Power Cable — The 4ms Multi Power Cable extends power in Pod cases with 10- or 16-pin ribbon cables—simple, essential, and easy to overload.
• Multiband Resonator — The 4ms Spectral Multiband Resonator transforms filters into harmonic motion machines, with rotating scales, spectral CV, and a mesmerizing light ring.
• Nocto Loco — The 4ms Nocto Loco is a cult-favorite octave pedal with pitch-sensitive tremolo and a chaos-inducing Loco mode for noise synthesis.
• Noise Swash — The 4ms Noise Swash is a discontinued DIY noise module and pedal known for chaotic, unpredictable sounds and hands-on knob interaction.
• Oscillator — The 4ms Ensemble Oscillator blends 16 sine waves into evolving chords and textures via scale-based quantization and deep waveshaping—additive synthesis reimagined.
• PEG — The 4ms PEG is a dual envelope generator that locks envelope timing to incoming clock pulses, making it ideal for rhythmic modulation and generative patches in Eurorack systems.
• Phaseur — The 4ms Phaseur Fleur is a discontinued 6-stage optical phaser pedal known for its lush, tweakable modulation and cult following among guitar and synth players.
• Phaseur Moire — The 4ms Phaseur Moire is a triple-LFO phaser pedal that blends chorus sweeps with seasick vibrato and ring modulation—wild, CV-equipped.
• Ping — The 4ms Ping (QPLFO) is a four-channel tap-tempo and clock-syncable Eurorack LFO with variable skew, reset, and hidden one-shot and quadrature modes.
• Pingable Envelope Generator — The 4ms Pingable Envelope Generator syncs envelope timing to incoming clock pulses, making it a rhythmic powerhouse in Eurorack systems.
• Pod104X — The 4ms Pod104X is a portable, powered 104HP Eurorack case made from anodized aluminum, released in 2025 with clean power and modular scalability.
• Pod20 — The 4ms Pod20 (Powered) is a compact, rugged 20HP Eurorack enclosure with built-in power, ideal for portable or desktop modular setups.
• Pod26 — The 4ms Pod26 is a 26HP powered Eurorack enclosure in lightweight anodized aluminum, ideal for compact modular setups. Find detailed specs here.
• Pod32 — The 4ms Pod32 is a compact, powered Eurorack enclosure from 2022, made of anodized aluminum, with 32HP space and built-in power. Ideal for portable setups.
• Pod34X — The 4ms Pod34X is a compact, powered 34HP Eurorack case in anodized aluminum, designed for portability and daisy-chained expansion.
• Pod40 — The 4ms Pod40X is a compact, powered 40HP Eurorack case made of anodized aluminum, introduced in 2022 for desktop modular setups.
• Pod40X — The 4ms Pod40X is a compact, powered 40HP Eurorack case with built-in power, daisy-chaining, and aluminum construction—ideal for portable modular setups.
• Pod48 — The 4ms Pod48 is a compact, portable Eurorack case with built-in power, designed for tabletop use and daisy-chaining. Includes current market value.
• Pod48X — The 4ms Pod48X is a compact, powered 48HP Eurorack case with built-in power, daisy-chaining, and accessories — ideal for portable modular setups.
• Pod60 — The 4ms Pod60 is a compact, powered 60HP Eurorack case built for portability and desktop use, with integrated power and anodized aluminum construction.
• Pod64X — The 4ms Pod64X (Powered) is a portable, 64HP Eurorack case with built-in power, daisy-chaining, and vertical bus board—ideal for travel and expansion.
• Power Brick 45W — The 4ms Power Brick 45W delivers clean, low-noise power for 4ms Pods and Row Power modules—simple, reliable, and essential for Eurorack setups.
• Power Brick 90W — The 4ms Power Brick 90W powers Row Power modules but divides users over connection reliability and noise. Includes detailed specs and production dates.
• QCD — The 4ms QCD is a master clock module that brings precision, expandability, and tactile control to Eurorack rhythm systems.
• QCD Expander — The 4MS QCD Expander transforms the Quad Clock Distributor into a dynamic rhythm engine with per-channel delay, inversion.
• QCDEXP — The 4ms QCDEXP transforms the QCD into a groove machine with delay, shuffle, and cross-modulation—essential for rhythmic depth in Eurorack.
• Quad Pingable LFO — The 4ms Quad Pingable LFO turns pulses into expressive, syncable modulation—four channels of tap-tempo rhythm in 12 HP. Covers the complete spec table.
• RCD — The 4ms RCD redefines clock division with rotating, polyrhythmic outputs and real-time CV control—essential for evolving modular rhythms.
• RCD Breakout — The 4ms RCD Breakout is a passive Eurorack expander that adds six front-panel switches to the Rotating Clock Divider. Find detailed specs here.
• RCDBO — The 4ms RCDBO unlocks hidden firmware features on the Rotating Clock Divider, turning rhythmic experimentation into a hands-on performance tool.
• Rotating Clock Divider — The 4ms Rotating Clock Divider reshapes timing in modular synths with CV-controlled rotation of eight clock divisions—rare, powerful, and deeply musical.
• Rotating Sums — The 4ms Rotating Sums — vintage synth equipment. Specifications, history, and review. Find the complete spec table and when it was made here.
• Row Power — The 4ms Row Power 40 is a discontinued 4HP Eurorack power module delivering 40W of clean, regulated power—trusted by builders but limited by its finicky stock power brick.
• Row Power 25 — The 4ms Row Power 25 is a compact, efficient 4HP Eurorack power supply introduced in 2022, delivering 25W of clean, daisy-chainable power for modular systems.
• Row Power 40 — The 4ms Row Power 40 [RP40] is a discontinued but respected Eurorack power module offering 40W of clean, regulated power in a skiff-friendly 4HP design.
• Row Power 45 — The 4ms Row Power 45 (2020) is a 45W Eurorack power module with independent regulation, daisy-chaining, and Bluetooth monitoring support.
• row-power-35 — 4ms Row Power 35 Eurorack power supply module, 35W, 4HP panel, available since June 2022 at $145. Little detailed documentation survives.
• SCM (2010–2022) — The 4ms SCM (2010–2022) multiplied clocks up to x32 with shuffled, slipped, and skipped outputs—8HP of deliberate rhythmic imperfection.
• SCM Plus — The 4ms SCM Plus combines the Shuffling Clock Multiplier and SCM Breakout into one 12HP Eurorack module with full CV control and improved timing precision.
• SCMBO — The 4ms SCMBO expands the Shuffling Clock Multiplier with CV control over shuffle, slip, skip, and pulse width—essential for dynamic.
• Shaped Dual EnvVCA — The 4ms Shaped Dual EnvVCA lets you morph envelope shapes in real time without affecting timing—a rare analog innovation for expressive Eurorack modulation.
• SISM — The 4ms SISM is a 4-channel Eurorack utility module that scales, inverts, shifts, and slices CV or audio with precision and visual feedback.
• Spectralis — The 4ms Spectralis — vintage synth equipment. Specifications, history, and review. Find the complete spec table and when it was made here.
• STS — The 4ms STS is a dual-channel stereo sampler for Eurorack with full CV control, onboard recording, and hot-swappable SD cards—but no display, no mercy.
• Tap Delay — The 4ms Tapographic Delay redefines rhythm in Eurorack, letting you tap, shape, and morph echoes like a live instrument.
• Triggered Sampler — The 4ms Stereo Triggered Sampler is a dual-channel, high-resolution Eurorack sampler with full CV control, hot-swappable SD, and non-destructive editing.

Synthesizers

• Dual DLD — The 4ms DLD is a dual-channel digital delay for Eurorack with up to 3 minutes of loop time, windowing, and deep CV control—pristine, unpredictable.