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Notes: Really smart integration of macro controls for Eurorack, based on the original design by Emblematic Systems. Assign settings to eight CV outputs then morph with the crossfader or record movements to manage presets or set up complex real-time modulation. Can also operate as Catalyst Sequencer.

Supplier's Notes:
The Catalyst Controller is a macro controller with eight precision CV outputs and a responsive crossfader to morph between scenes. A scene is a snapshot of up to eight CV outputs, like a modular preset. Traverse a "pathway" composed of multiple scenes using the crossfader or an external CV signal, or immediately jump using the scene buttons. Record CV and slider movements, and play recordings back via a button or external trigger.

Each output has sub-millivolt precision and a maximum range of -5V to +10V. Channels have an adjustable morphing curve, can be quantized to common scales, restricted to a particular voltage range, or set to output gates.

Whether used as a CV preset manager, seamless transition generator, chord sequencer, CV recorder, or experimental CV playground, the Catalyst Controller puts control of your modular at your fingertips.

The Catalyst Controller can also turn into a Catalyst Sequencer! Hold down a special button combination to change between controller and sequencer modes. If you end up liking the Sequencer more, you can even remove the double-sided faceplate, flip it over, and re-install with the Sequencer artwork visible.

Based on the original Catalyst module from Emblematic Systems.

Specifications:

Smooth, responsive crossfade morphs between scenes
Eight output channels, each can be CV or Gate
Arrange scenes into pathways of up to 64 scenes
Smooth, responsive crossfader morphs from scene to scene along the pathway
Set slew/lag to limit how fast scenes can change
Adjustable Morph time per output
Control crossfading with an external CV
Record and playback up to 20 seconds of CV and crossfader motion
CV outputs can be set to -5V to +10V maximum, or limited to +/-5V, +5V, +3V, or +1V
CV outputs can be unquantized (sub-1mV resolution), or Quantized to common scales
Randomization of channel values/gates
Copy/paste
Based on the original Catalyst from Emblematic Systems

Pairs with: 4ms Catalyst Sequencer

Notes: The Catalyst Sequencer combines a traditional clocked step-sequencer with an unconventional phase-based sequencer to produce a new paradigm in sequencing. Eight precision CV sequencer channels can be simultaneously driven by a clock, a phase CV, or scrubbed manually with the crossfader.

Each of the eight channels has its own sequence length, quantizer, transposition, clock divider, randomization, voltage range (max -5V to +10V), and selectable CV (precise 16-bit resolution) or Gate mode.

Phase-based sequencing is an advanced form of sequencing where each step is selected by CV. The Catalyst Sequencer has a smooth, responsive crossfader that scrubs the sequence, playing it forward or backwards to track your motions. Patching in a CV signal will do the same: a ramp-up CV plays the sequence forwards, a ramp-down plays it backwards, a triangle plays it ping-pong, and complex waveforms generate new interesting rhythmic and melodic patterns.

The Catalyst Sequencer can also turn into a Catalyst Controller! Hold down a special button combination to change between sequencer and macro controller modes. If you end up liking the Controller more, you can even remove the double-sided faceplate, flip it over, and re-install with the Controller artwork visible.

Based on the original Catalyst module from Emblematic Systems.

Pairs with: 4ms Catalyst Controller

Notes: ***BB-STOCK: Box opened, but product is in excellent condition and in perfect working order***


The Dual Looping Delay (DLD), designed by 4ms and Gary Hall, is an advanced audio processor for creative synthesis. Not a tape or analog emulation but a modern crystal-clear digital delay, the DLD combines features of delay, looping, and sample-tight synchronization for powerful and dynamic sound capture and modification. The DLD is designed to integrate seamlessly with modular timebase and sequencing devices such as the 4ms Quad Clock Distributor (QCD), etc.

What is a "Looping Delay"?
Modern looping devices grew directly from hardware digital delays of the late 70s and early 80s. A looping delay, modelled on units such as the classic Lexicon PCM42, has the very long storage times associated with dedicated looping, but without triggered record and playback functions.
By default, a looping delay records and plays continuously, though recording can be suspended at any time with Infinite Repeat. Sustain of delays and loops is mainly accomplished with regeneration, allowing an organic, evolving approach to sound creation as new material replaces old, more or less gradually. The 4ms Dual Looping Delay also provides advanced clock input and output facilities that allow for locking delayed and looped material with sequencers and rhythmic devices.

New features in firmware version 5:

Ping Lock for each channel
Quantized Inf/Rev/Time Change Mode
24-bit audio (selectable with a jumper)
Reverse and Inf Hold can be toggled with gates or triggers
Delay Feed knob can be selected to be audio or linear taper
Runaway DC at high feedback settings (e.g. resonant delays) is eliminated
Auto-Muting now has a 1ms attack and decay
Cross-fade Time (CFT) for splices is now variable (set in System Mode from 0ms to 500ms)
Selection of External Clock De-jittering algorithms to allow the DLD to sync with many types of external clocks
Exiting Infinite Hold plays through, without restarting loop

Electrical and Mechanical Specifications:

Module size:

20 HP Eurorack format module
0.98" (25mm) maximum depth with power cable

Power consumption:
+12V rail: 188mA max (jumper set to 5V)
-12V rail: 48mA max
+5V rail: not used

Connect red stripe of power cable towards the bottom of the module, which is marked with a white stripe and the words -12V and POWER
Audio Inputs:
0Hz (DC) to 24kHz
16.8V peak-to-peak maximum before clipping (when AC coupled)
Optional jumper to choose DC or AC coupling on input.

Audio Outputs:
0Hz (DC) to 24kHz with maximum -1.7dB difference between input and output (see technical specification section)
+10.5V to -10.5V maximum output
Soft limiting compression allows for saturation before clipping (can be disabled)

Clock outputs (Main, Loop A, Loop B):
0V to 8.2V
+/- 2.4us maximum jitter (i.e. 0.001% at 120 BPM)
Rise or Fall time: <1us
Pulse Width (Trigger mode) 22ms
Gate mode 50% (square wave)
At clock speeds faster than 22Hz, the clock output becomes 50% duty cycle

Included with the DLD:
16-to-16 pin power cable
4 M3 Knurlie screws

Notes: Crystal-clear clock-synced delay for loop up to 90 seconds, echoes, sound-on-sound, Karplus-Strong etc.

Features:
Loop or echo time is synchronized to a clock
87 seconds of delay/loop time maximum
48kHz/24-bit sampling rate, loop recorded at 16-bit (24-bit optional)
Extremely quiet, low noise and low jitter design
Tap tempo button and clock Ping input set the basis for one "beat"
Delay/loop time set as a number of musical beats (or fractions of beats) using the Time knob, switch, and CV jack
Sample-accurate clock output for perfect synchronization
Loop clock outputs for each channel
Time switches change range of Time knob from 1/8th notes up to 32 bars
Digital feedback, up to 110%
Delay Feed control, independent of dry/wet signal mix
Infinite Hold mode disables recording input and fixes regeneration at exactly 100%
Reverse mode plays memory contents backwards
With an infinite loop locked, knobs or CV can "window" around memory, by shifting the loop
Trigger inputs for toggling Infinite Hold and Reverse
Send and Return for applying effects to feedback with external modules
CV jacks to control Time, Level, Feedback and Dry/Wet Mix
16HP Eurorack module

Specs:
48kHz, 24-bit low-noise hi-fidelity
Up to 90 seconds of loop time
16HP
+12V: 110mA
-12V: 45mA

Included with the Looping Delay:
16-to-16 pin power cable
4 x M3 Knurlie screws

Notes: Great value from 4ms's twist on the Stereo Triggered Sampler module, this time capable of playing and manipulating stereo or mono WAV files from an SD card.

Supplier's Notes:
The Sampler is a variation of the Stereo Triggered Sampler.

Record, play and loop stereo .wav files with an SD Card. Includes the same 2022 Sampler Pack from the Stereo Triggered Sampler.

Features:

The Sampler plays stereo or mono .wav files from an SD Card. Samples are arranged into banks by placing .wav files into folders (each folder is a bank). A maximum of 10 samples can be loaded in a bank. There is a maximum of 60 banks (600 samples maximum total).
Sample files are limited to 4GB each, which is over 6 hours at 44k/16b/stereo.

Hundreds of samples included on microSD card
Extremely quiet, low noise and low jitter design
Stereo or Mono output

A knob and CV jack selects the Sample to play, and the Start Position knob and CV jack control where in the sample playback will begin. The Length knob and CV jack determine how much of the sample is played back: from tiny grains, to percussive hits, to longer loops... or just the entire file.

Pressing Play or firing a trigger into the Play Trig jack will play the sample. Holding the Play button down for a second will toggle looping.

There's also a Reverse button and jack for backwards playback, and an End Out jack for synchronizing loops, or cascading sample playback with other events.

To record samples, hold Play and Reverse for two seconds. Press Play again or fire a trigger into the Play/Rec Trig jack to start and stop recording. Each recording will create a new stereo 48kHz 24bit .wav file in the current bank's folder. Recordings can be as long as your card has the capacity for: a 256GB card is 18 days of continuous recording (432.9 hours). Audio data is split into maximum 4GB wav files on the microSD card.

Play button/trigger jack: Tapping the button or receiving a trigger starts/re-starts the sample
Sample CV/knob: select which sample within the channel's bank
Pitch CV and Pitch knob: playback pitch (-10 to +4 octave range)
Start Pos CV/knob: position in the sample to begin playback (loop start point)
Length CV/knob: playback time (loop end point)
Length knob at max: entire file is played
Length knob 50%-99%: 200ms - 5s of the sample is played (beginning at the Start Position)
Length knob <50%: Percussive decay envelope is applied to the playback (attack-only envelope if playing Reverse)
Length <1%: Tiny grains are played (can be used to sweep through sample file data manually)
Reverse button/jack: toggles forward/backwards
Bank button: selects channel's bank
Reverse + Start Pos button/knob combo allows for setting volume of playback
Maximum file size for playback: 4GB per file (6.7 hours per file at 44.1kHz/16b/stereo)
microSD Card is hot-swappable when Busy light is off: no power-down required to change cards.
Samples that are pre-loaded into memory can continue playing while card is swapped.

File Organization:

Using a computer, the intuitive automatic bank loading features make dragging and dropping your entire sample library a snap. No files need to be renamed. Just create folders and put up to 10 samples in each. If you want a folder to be associated with a particular colour of the Bank button, name the folder a colour name (such as "Blue - Loops").

Ships with a high-speed 16GB microSD card, loaded with hundreds of samples created for 4ms, from musicians such as Richard Devine, Wobbly, Moor Mother, Robert Aiki Aubrey Lowe, Joseph Pailo, Russell E.L. Butler, Hugo Paris & Marc Kate, Paul Barker, Baseck, Animal Collective, Cristian Vogel, Jay E, Marcus Fischer, Chris Carter, Daedelus, Nero Bellum, Anna Sitko, Thomas Fang, Bogdan Raczynski, and more (Sample List)

Intuitive bank/colour organization system; no need to rename your wav files
Record new samples directly to a bank with the Record Input jacks...
... or drag your folders of sound files onto the microSD card, and each folder will become a bank.
Folders starting with a colour name will be loaded into that colour bank
Example "Blue - Frooty Loops" will load into the Blue bank
Sub-folders are ignored, only folders in the root directory are scanned for wav files
Works best with UHS Speed Class 3 cards with |3| symbol printed on the card

Specs:

Electrical and Mechanical Specifications:
Module Size:
16 HP Eurorack format module
10-pin Eurorack power header
1.3" (33mm) maximum depth with power cable
Power consumption:
+12V: 135mA
-12V: 41mA
+5V rail: not used
Connect red stripe of power cable towards the bottom of the module, which is marked with a white stripe and the words -12V and POWER
Audio Inputs:
20Hz to 10kHz (+/-0.1dB); -6dB rolloff @ 20kHz
21V peak-to-peak maximum before clipping
Audio Outputs:
0Hz (DC) to 22kHz with maximum -1.8dB difference between file data and output
+10.5V to -10.5V maximum output
Trigger inputs:
Latency: 0.7us typical

Included with the Sampler:
16GB micro SD card (class 10)
SD adaptor
10-to-16 pin power cable
M3 Knurlie screws

Notes: ***B-STOCK: Box opened, but product is in excellent condition and in perfect working order***


Crystal-clear clock-synced delay for loop up to 90 seconds, echoes, sound-on-sound, Karplus-Strong etc.

Features:
Loop or echo time is synchronized to a clock
87 seconds of delay/loop time maximum
48kHz/24-bit sampling rate, loop recorded at 16-bit (24-bit optional)
Extremely quiet, low noise and low jitter design
Tap tempo button and clock Ping input set the basis for one "beat"
Delay/loop time set as a number of musical beats (or fractions of beats) using the Time knob, switch, and CV jack
Sample-accurate clock output for perfect synchronization
Loop clock outputs for each channel
Time switches change range of Time knob from 1/8th notes up to 32 bars
Digital feedback, up to 110%
Delay Feed control, independent of dry/wet signal mix
Infinite Hold mode disables recording input and fixes regeneration at exactly 100%
Reverse mode plays memory contents backwards
With an infinite loop locked, knobs or CV can "window" around memory, by shifting the loop
Trigger inputs for toggling Infinite Hold and Reverse
Send and Return for applying effects to feedback with external modules
CV jacks to control Time, Level, Feedback and Dry/Wet Mix
16HP Eurorack module

Specs:
48kHz, 24-bit low-noise hi-fidelity
Up to 90 seconds of loop time
16HP
+12V: 110mA
-12V: 45mA

Included with the Looping Delay:
16-to-16 pin power cable
4 x M3 Knurlie screws

Notes: ***B-STOCK: Dent on the side, product in perfect working order***


The Shaped Dual EnvVCA is a two-channel analogue envelope generator with waveshapers and a stereo linear VCA. Unlike conventional analogue envelope modules, the waveform of each envelope can be controlled with a slider or CV without changing the envelope timing. With a wide time range from an hour to 2.5kHz, and a plethora of CV inputs and attenuverters, it can be used as an LFO, audio-rate oscillator, slew limiter, waveshaper, ASR/ADSR/complex EG, independent audio/CV VCA, envelope follower, sidechain processor, and general utility module. Each channel has dedicated linear outputs plus attenuverters and offset controls for the variable waveshape outputs, making it an ideal modulation source and stereo VCA.

100% analogue

Shaped Dual EnvVCA

20HP Eurorack format module
0.95" (24mm) maximum depth (includes power cable)
10-pin Eurorack power header

Power consumption
+12V: 255mA
-12V: 230mA

Audio/VCA
100k input impedance, 1k output impedance, DC-coupled
VCA gain range: -90dB to +2.0dB, linear response to CV from 0V to 5V
VCA unity gain: 4.4V CV
DC to 20kHz, +/-0.1dB

Envelope Times
Minimum rise or fall time: ~200us per segment (2.5kHz max frequency)
Maximum rise time: >20 minutes (typically > 40 minutes)
Maximum fall time: >12 minutes (typically > 20 minutes)

Jacks:
Env jack: Min = -10.2V, Max = +10.1V, maximum amplitude 9.3Vpp
Trigger jack: rising edge threshold = 1.25V
Follow jack: active range = 0V to +5V

EO* jacks:
EOR (channel A): <80mV low to >4.50V high gate output
EOF (channel B): <80mV low to >4.95V high gate output
Minimum stable pulse width: 1ms. Shorter than this may produce extra 50us pulses
Audio In/Out jacks: -10V to +10V maximum range without clipping

Notes: ***B-STOCK: Box opened, light surface marks, product in perfect working condition ***


Great value from 4ms's twist on the Stereo Triggered Sampler module, this time capable of playing and manipulating stereo or mono WAV files from an SD card.

Supplier's Notes:
The Sampler is a variation of the Stereo Triggered Sampler.

Record, play and loop stereo .wav files with an SD Card. Includes the same 2022 Sampler Pack from the Stereo Triggered Sampler.

Features:

The Sampler plays stereo or mono .wav files from an SD Card. Samples are arranged into banks by placing .wav files into folders (each folder is a bank). A maximum of 10 samples can be loaded in a bank. There is a maximum of 60 banks (600 samples maximum total).
Sample files are limited to 4GB each, which is over 6 hours at 44k/16b/stereo.

Hundreds of samples included on microSD card
Extremely quiet, low noise and low jitter design
Stereo or Mono output

A knob and CV jack selects the Sample to play, and the Start Position knob and CV jack control where in the sample playback will begin. The Length knob and CV jack determine how much of the sample is played back: from tiny grains, to percussive hits, to longer loops... or just the entire file.

Pressing Play or firing a trigger into the Play Trig jack will play the sample. Holding the Play button down for a second will toggle looping.

There's also a Reverse button and jack for backwards playback, and an End Out jack for synchronizing loops, or cascading sample playback with other events.

To record samples, hold Play and Reverse for two seconds. Press Play again or fire a trigger into the Play/Rec Trig jack to start and stop recording. Each recording will create a new stereo 48kHz 24bit .wav file in the current bank's folder. Recordings can be as long as your card has the capacity for: a 256GB card is 18 days of continuous recording (432.9 hours). Audio data is split into maximum 4GB wav files on the microSD card.

Play button/trigger jack: Tapping the button or receiving a trigger starts/re-starts the sample
Sample CV/knob: select which sample within the channel's bank
Pitch CV and Pitch knob: playback pitch (-10 to +4 octave range)
Start Pos CV/knob: position in the sample to begin playback (loop start point)
Length CV/knob: playback time (loop end point)
Length knob at max: entire file is played
Length knob 50%-99%: 200ms - 5s of the sample is played (beginning at the Start Position)
Length knob <50%: Percussive decay envelope is applied to the playback (attack-only envelope if playing Reverse)
Length <1%: Tiny grains are played (can be used to sweep through sample file data manually)
Reverse button/jack: toggles forward/backwards
Bank button: selects channel's bank
Reverse + Start Pos button/knob combo allows for setting volume of playback
Maximum file size for playback: 4GB per file (6.7 hours per file at 44.1kHz/16b/stereo)
microSD Card is hot-swappable when Busy light is off: no power-down required to change cards.
Samples that are pre-loaded into memory can continue playing while card is swapped.

File Organization:

Using a computer, the intuitive automatic bank loading features make dragging and dropping your entire sample library a snap. No files need to be renamed. Just create folders and put up to 10 samples in each. If you want a folder to be associated with a particular colour of the Bank button, name the folder a colour name (such as "Blue - Loops").

Ships with a high-speed 16GB microSD card, loaded with hundreds of samples created for 4ms, from musicians such as Richard Devine, Wobbly, Moor Mother, Robert Aiki Aubrey Lowe, Joseph Pailo, Russell E.L. Butler, Hugo Paris & Marc Kate, Paul Barker, Baseck, Animal Collective, Cristian Vogel, Jay E, Marcus Fischer, Chris Carter, Daedelus, Nero Bellum, Anna Sitko, Thomas Fang, Bogdan Raczynski, and more (Sample List)

Intuitive bank/colour organization system; no need to rename your wav files
Record new samples directly to a bank with the Record Input jacks...
... or drag your folders of sound files onto the microSD card, and each folder will become a bank.
Folders starting with a colour name will be loaded into that colour bank
Example "Blue - Frooty Loops" will load into the Blue bank
Sub-folders are ignored, only folders in the root directory are scanned for wav files
Works best with UHS Speed Class 3 cards with |3| symbol printed on the card

Specs:

Electrical and Mechanical Specifications:
Module Size:
16 HP Eurorack format module
10-pin Eurorack power header
1.3" (33mm) maximum depth with power cable
Power consumption:
+12V: 135mA
-12V: 41mA
+5V rail: not used
Connect red stripe of power cable towards the bottom of the module, which is marked with a white stripe and the words -12V and POWER
Audio Inputs:
20Hz to 10kHz (+/-0.1dB); -6dB rolloff @ 20kHz
21V peak-to-peak maximum before clipping
Audio Outputs:
0Hz (DC) to 22kHz with maximum -1.8dB difference between file data and output
+10.5V to -10.5V maximum output
Trigger inputs:
Latency: 0.7us typical

Included with the Sampler:
16GB micro SD card (class 10)
SD adaptor
10-to-16 pin power cable
M3 Knurlie screws