CV4227 4ms Company Mini PEG Envelope Generator User Manual

CV4227 4ms Company Mini PEG Envelope Generator

The Mini PEG is a clock-synced envelope generator and LFO whose envelope times are set by the time between clock pulses or “pings”. The Mini PEG is the latest version of the classic 4ms Pingable Envelope Generator.

Mini PEG features

• Envelope length set by incoming clocks or “pings”
• Ping button (tap tempo) or external clock/triggers set the envelope time
• Div/Mult knob and CV jack divide and multiply ping clock from /32 to x16
• Shape knob with full CV control for waveshaping the output envelope, includes various combinations of exponential, linear, logarithmic and interpolated curves
• Cycle button and gate jack for looping envelopes
• Scale knob acts as attenuating inverter for main envelope output
  • Maximum 9.5V peak-to-peak
• Offset knob for setting DC offset, ranging from -9.4V to +9.4V
• End-of-Fall (EOF) output jack goes high when the envelope finishes a fall portion and low when envelope begins a fall portion
  • Jack can also be configured as End-of-Rise, Half-Rise, or Tap Clock Out
• ENV OUT jack outputs scaled/offset envelope
• 5V ENV jack output always produces a 0V to +5V envelope, independent from scale/offset
• Trigger jack starts or re-starts an envelope
  • Can be configured as Quantized Trigger, Async Trigger, or Async Gate
• 8HP Eurorack module

Setting up your Mini PEG

1. Power off your Eurorack system.
2. On the back of the Mini PEG you will see a 16-pin header. Connect one end of the power cable to a 16-pin Eurorack power header on your power supply distribution board and the other end to the Mini PEG with the red stripe on the power cable oriented towards the bottom of the module.
3. Using the included screws, securely attach the Mini PEG to the rails of your case.
4. Power on your Eurorack system.

Note: The Mini PEG is reverse-polarity protected, but incorrectly connecting any module in any system can damage other modules on the power bus.

Overview

The Mini PEG is a “pingable” envelope generator with the envelope time set by the duration between pulses (“pings”). The tempo can be set by tapping the Ping button, or by patching an external clock into the Ping jack. The ping clock is then multiplied or divided by the amount set by the Div/Mult knob and CV, from /32 to x16. The envelope will be as long as the period of the divided/multiplied clock. Various waveshapes can be selected using the Shape knob and CV. The envelope can also be scaled, inverted, and offset using the Scale and Offset knobs. Sending a trigger into the Trigger jack will produce an envelope. The Mini PEG can also function as an LFO by producing envelopes constantly when the Cycle button is engaged, or when a gate is held high on the Cycle jack.

Beginning Patch

Step 1: Prepare the Mini PEG

• Unplug all cables, turn Div/Mult, and Shape to center, turn Scale and Offset all the way up. Make sure Cycle is off (not lit up).
• Plug the ENV OUT jack into something you want to modulate — perhaps a filter, or the pitch of an oscillator.

Step 2: Set the ping clock

• Before the Mini PEG can generate an envelope, you need to supply a ping clock. The ping clock is the basic reference that determines the timing of the envelope.
• Tap the Ping button two or three times, about a second between taps. It’s easier to see what’s going on with a slow envelope. The Ping button should be flashing white at the tempo you tapped. If you give the third tap, the time between taps will be averaged. You could also run an external clock into the Ping jack (when a trigger is received on the Ping jack, the internal tap-tempo clock is stopped).

Step 3: Provide a trigger source

• Like any envelope module, the Mini PEG will produce an envelope when it receives a trigger. Also like many envelope modules, it can be set to self-trigger so that it’ll cycle without any external trigger.
• Press the Cycle button (it will light up orange). Notice the red/blue light above the ENV OUT jack starts flashing. The envelope is now running freely, in time with the ping clock. Adjust the other module(s) you are running the Mini PEG into so you can hear the modulation.

You could also turn Cycle off and run a manual trigger into the Trigger jack (e.g. try the gate output from a sequencer or a slow LFO, or perhaps a slow clock output from a QCD, RCD, or another clock module.)

Step 4: Adjust the output level

• Adjust the Scale and Offset knobs to get a voltage range that works well with whatever you’re modulating.

Step 5: Set the Division/Multiplication amount

Turn the Div/Mult knob to various settings and watch the Ping button flash faster or slower. Notice how the tempo doesn’t change gradually but instead jumps from speed to speed. This is because each speed is an integer multiple or division of the original tempo (e.g. three times as fast, or half as slow). You also can modulate this parameter with the Div CV jack at the bottom.

Step 6: Adjust the shape

Fiddle with the Shape knob to get an envelope shape you like. Notice the shapes in the center section of the knob are all symmetrical (same rise/fall shape and time), while the shapes at the start and end of the knob’s range are asymmetrical (different curves and times for rise/fall). Of course, you can modulate this parameter with the Shape CV jack at the bottom.

That’s it, a basic Mini PEG patch!

Control Details

Ping

The Ping button and jack set the tempo of the ping clock. This clock is later divided or multiplied to set the period of the envelope. The button flashes to show the tempo. In Sync mode it flashes cyan (light blue), and in Async mode, it flashes white (See Sync and Async Modes).

Tapping a tempo

Two taps on the Ping button set the ping clock period. If you give a third tap, it will be averaged with the first two taps, unless the timing period set by the third tap is widely different than the first two taps. In this case the second and third taps will be used. If you want visual feedback as you tap, set the Div/Mult knob to “=“ so that the Ping button flashes at the same tempo that you tap.

Syncing to an external clock

To synchronize to an external clock or gate signal, patch it into the Ping jack. The timing between the last two pulses sets the ping clock. Unlike the Ping button, the Ping jack does not average pulses, it simply takes the period of the last two pulses. You can plug in a manual trigger/gate module and just tap in two pulses: the ping clock will continue to run at that tempo even if you don’t provide any more trigger pulses. Note: in System Mode, you can disable this free-running feature (thus, giving the Mini PEG two external pulses will output just one envelope and then stop) See the System Mode section. When a gate is received on the Ping jack, the tap tempo clock is disabled. Conversely, when the Ping button is tapped, the external clock will be overridden. Try tapping a fast tempo while you have a slow clock going into the Ping jack — the fast tempo will take effect immediately, but will revert back to the slow tempo when the next clock pulse is received on the jack.

Clearing the tempo

Hold the Ping button down for 2 seconds to clear the tap tempo. The light will go off and the envelope will stop. You can also clear an externally generated ping if the external unit has stopped sending pulses or is unpatched.

Div/Mult

Once a ping clock has been established, you can use the Div/Mult knob and jack to divide or multiply the tempo from 1/32nd of the speed to 16 times the speed, in whole number increments. The resulting clock defines the length of the envelope output. The Ping button flashes at the rate of this divided/multiplied ping clock. The Div/Mult knob has detents for each of the 19 divide/multiply amounts, and any CV that’s applied to the Div CV jack will be added to the knob’s setting. Changing the divide/multiply amount while an envelope is running will immediately change the slope of the envelope. Depending on whether the module is in Sync or Async mode, the envelope may re- sync to the ping clock. See Sync and Async Modes section below. The Div CV jack ranges from -5V to +5V and offsets the knob’s position.

Cycle

The Cycle function makes the envelope self-cycle (LFO mode). When this button is lit, the envelope will keep running without needing any external triggers. Pressing the Cycle button will toggle the cycle state on/off. The Cycle jack toggles the cycling state. By default, when a gate is applied to this jack, the Cycle button will toggle state (on→off and off→on). When the gate is released, cycling will revert to its previous state. In System Mode, this jack can be changed to toggle the cycling state each time it receives a trigger. So if Cycle is on, a trigger will turn it off, and a subsequent trigger will turn it on again. Depending on whether the module is in Sync or Async mode, the envelope will start playing from a different point (starting phase) when the Cycle button is pushed. See Sync and Async Modes section.

Trigger

The Trigger jack initiates an envelope when a trigger is received. By default, the envelope starts immediately and the module is put into Async mode. Holding the trigger high will have no effect. In System Mode, this jack can be configured as a Quantized jack, so that receiving a trigger will cause an envelope to output on the next ping clock. When used this way, the module will be put into Sync mode when it receives a trigger. Holding the Trigger jack high will cause the envelope to cycle until released. The jack can also be configured as an Async Gate jack. This is the same as the default behavior (Async Trigger), but the envelope will sustain if the gate is held high past the end of the rise phase. When the gate is released, the fall stage will start. Async modes allow you to re-trigger an envelope that’s already running, while the Quantized mode does not. See Sync and Async Modes section and System Mode sections.

Shape

The Shape knob and jack control both the skew (or ratio of rise to fall times) and the selection of waveshapes (logarithmic, linear, exponential). While there is a continuous spectrum of waveshapes, the range can be divided into three zones. The first zone is from fully counter-clockwise to around 9:30. Turning the knob clockwise, the envelope starts as a ramp-up exponential shape and slowly turns to a linear ramp-up shape. The transition from the first zone to the second zone goes from a ramp-up linear shape to a balanced exponential shape (equal rise and fall times) at about 10:00.

The second zone begins with the balanced expo shape. It then transitions to a balanced linear shape at the knob’s center position, and then to a balanced log shape at about 2:00. The transition to the third zone turns the balanced log shape into a ramp-down linear shape at about 2:30 The third zone mirrors the first zone, going from ramp-down linear to ramp-down exponential. The CV jack ranges from -5V to +5V and offsets the knob’s position.

Scale

The Scale knob is an attenuverter for the main envelope output, ENV OUT. If the scale knob is right of center, the output voltage will increase when the envelope is in the rise phase, and decrease when the envelope is falling (non- inverted). This is normally how envelopes are used. If the Scale knob is left of center, the envelope will be inverted and the output voltage will decrease as the envelope rises, and increase as it falls. As you turn the Scale towards center, the amplitude will decrease, moving the peaks towards zero. At center, there will be no output (technically, it produces a steady DC voltage which is set by the Shift feature).

Offset

The Offset knob shifts the envelope on the ENV OUT jack up and down by adding DC offset. The offset is applied before Scale is applied. For a positive-only envelope, Offset would typically be set at maximum, and the Scale should be right of center. For a bipolar envelope, Offset should be set to center. For a negative-only envelope (noninverted), Offset should be set to a minimum.

Shift

By holding down the Cycle button while turning the Offset knob, the Shift amount can be controlled. This is similar to Offset, but is applied after the envelope is offset and scaled. The DC level of the Shift amount is the center- line across which the Scale knob attenuates and inverts the envelope. Shift essentially shifts the scaled/offset envelope up and down, causing clipping at the -9.4V and +9.4V rails. By default, Shift is 0V, which is the most intuitive setting. Any envelope voltages (amplitude and offset) that the Mini PEG is capable of generating can be produced without adjusting Shift. However, with a proper understanding of DC offset, amplitude, inversion, and clipping, changing Shift can help in special-case situations by allowing the Scale knob to invert the envelope across a voltage other than 0V.

ENV OUT

ENV OUT is the main envelope output. Its range is from -9.4V to +9.4V. The red and blue lights above the ENV OUT jack are helpful in determining if the envelope is positive (blue), negative (red), or both.

5V ENV

The 5V ENV jack is an envelope output that always produces a 0V to +5V envelope regardless the Offset, Scale, and Shift settings.

EOF

The End-of-Fall (EOF) jack outputs a gate that goes high when the fall segment ends. If the envelope is stopped, the jack will remain high. It will only go low when a rise segment ends and a sustain or fall segment begins. Another name for this jack might be “Envelope is Rising or Stopped”. In System Mode, this jack can be configured as an End-of-Rise jack, a Half-Rise jack, or a Tap Clock output jack. End-of-Rise (EOR) goes high when a fall segment starts (and stays high if it stops), and goes low when a rise segment starts (and stays low if it sustains). This jack could be called “Envelope is Falling or Stopped”. Half-Rise goes high when the rise portion is half-way finished, stays high through any sustain period, and goes low when the fall portion is half-way finished. Tap Clock runs freely even if the envelope is not running. It outputs the raw ping clock (before division/multiplication) that was tapped on the Ping button, ignoring any external clocks. See the Tap Clock Output section for details. The EOF jack outputs a square wave by default, but in System Mode it can be changed to output triggers instead.

Maximum and Minimum Clock Times

The Mini PEG can process incoming clocks and output envelopes up to about 4kHz, with some jitter, glitches, and imprecision. When outputting frequencies higher than 500Hz, the output will contain increasing amounts of noise and glitches, but still holds a solid fundamental frequency and waveshape. Since it goes well into the audio range, the Mini PEG can be used as a rudimentary lo-fi harmonizer (e.g. sub-octave generator). Be aware that when using the Mini PEG as an audio generator, small amounts of jitter on the incoming clock will cause large amounts of audible distortion and glitches on the output. The maximum envelope time is about 29 hours (1750 minutes). The maximum ping clock time is also about 29 hours, so if you fire a clock pulse into the Ping jack once a day, the Div/Mult setting must be = or multiplying in order to produce an accurate output.

Sync and Async Modes

The Mini PEG can operate in Sync or Async mode. Most of the time, the difference between the two modes is not important and the mode will automatically change in an intuitive way. In Sync mode, the envelope will always begin and end on the divided/multiplied ping clock, but in Async mode the envelope can begin at any point in time. Thus, Sync mode locks the phase of the envelope and the divided/multiplied ping clock together, while Async mode allows for any phase difference.

Changing Between Sync and Async Mode

• To enter Sync mode, fire a trigger into the Trigger jack while it’s configured as a Quantized Trigger jack. Or, you can fire a trigger into the Cycle jack while it’s configured to enter Sync mode. See System Mode for instructions on how to configure the jacks.
• To enter Async mode, fire a trigger into the Trigger jack when it’s configured as an Async Trigger or Async Gate jack.
• You can toggle modes by holding down Cycle, tapping Ping, then releasing Cycle.

In Sync mode, the Ping button flashes cyan. In Async mode, the Ping button flashes white.

Figure 1 illustrates envelopes in each mode. The Mini PEG begins cycling in Sync mode: each envelope starts on a ping clock pulse. When a trigger is fired into the Trigger jack (which is set to Async Trigger or Gate mode), the envelope immediately resets and continues cycling out-of-phase with the ping clock. The module has now changed to Async mode automatically. In this case, it’s not important that you know what mode the module is in, it’s just doing what you told it to do.

Cycle Button in Sync and Async Mode

When using the Cycle button, it can be important to know whether the Mini PEG is in Sync or Async mode. When you turn on the Cycle button in Sync mode, the envelope will immediately start outputting from the same phase as the ping clock. You can imagine this as if the envelope was always running (in sync with the ping clock), and the Cycle button un-mutes it. See Figure 2. This can cause some discontinuities, but the envelope will always be in sync with the ping clock. When you turn Cycle off, the output will stop after the current envelope finishes. If you turn on the Cycle button in Async mode, the envelope will immediately start outputting from zero. One or more complete envelopes will always be output, but they will be synced to your button press, not to the ping clock. See Figure 3.

Modulating Div/Mult in Sync and Async Mode

If you change the Div/Mult amount while an envelope is running, the module’s response will depend on whether it’s in Sync or Async Mode. In both modes, the envelope slope will track the Div/Mult amount as long as the amount keeps changing. In Sync mode, if no change to the Div/Mult is made for 50ms, then the envelope will re-sync to the ping clock based on the new Div/Mult amount. See Figure 4. The Div/Mult knob was turned from /2 to = at the black arrow. Between the black and red arrows, the envelope makes a quick transition to a new envelope that is in sync with the ping clock. Notice how every envelope starts and ends exactly on a ping clock, even though we changed envelope lengths.

In Async mode, there is no requirement that the envelopes sync to the ping clock, so it will transition smoothly between waveforms without any re- syncing. See Figure 5. The envelope tracks the changes in the Div/Mult amount but never needs to re-sync to the ping clock. Notice how the envelopes do not necessarily start or end on a ping clock.

Using the Trigger Jack in Sync and Async Mode

When the Trigger jack is configured as Quantize and it receives a trigger, the module will wait for the next divided/multiplied ping clock before starting the envelope. See Figure 6. When the Trigger jack is set to Async Trigger or Async Gate, an envelope will begin immediately upon receiving a trigger, regardless of whether the ping clock is firing at the same moment. See Figure 7.

Quantize Trigger Re-Phasing

In Sync mode, when Div/Mult is set to dividing and the Cycle button is on, firing a trigger into the Trigger jack configured as Quantize will re-start (re-phase) the envelope on the next incoming ping clock. For example, if Div/Mult is set to /4 then the ping clock represents quarter notes, and we could count measures as 1-2-3-4-1-2-3-4 etc. The envelope starts on the “1”, reaches its peak on the “3” and finishes just as the next “1” occurs. If we were to fire a trigger into the Quantize Trigger jack somewhere in between the “2” and “3”, then the envelope would re-phase so that it starts on the “3”. See Figure 8. This can be useful for multi-phase outputs (e.g. Quadrature patch).

Tap Clock Output

The EOF jack can be configured to output a tap tempo clock. This is done in System Mode (see System Mode section). When configured as Tap Clock, whatever tempo you tap on the Ping jack will be steadily output on the EOF jack. Unlike configuring the EOF jack as End-of-Rise, End-of-Fall, or Half-Rise, the Div/Mult parameter will not affect the tempo being output on this jack. More importantly, the tempo you tapped will continue to be output even if you are clocking the Mini PEG with an external clock at a different tempo. This feature allows you to use the Ping button and EOF jack as a semi-independent tap tempo submodule: tapping the Ping button will only change the tempo on the EOF jack and not the tempo of the envelopes.

Bus Clock

The clock Bus is a 1:1 clock that runs along the gate pin of the Eurorack power bus. This feature allows for a compatible module to send a clock signal over the power bus, and for one or more modules to synchronize to this clock. The MiniPEG, DLD, and QCD from 4ms are all capable of sending and receiving a clock Clock Bus. The RCD and SCM Plus can receive only. Modules from other manufacturers that send Clock Bus are also likely to be compatible, such as the Malekko Varigate 8+. On the back of the MiniPEG is a jumper to enable sending or receiving clocks over the Clock Bus. When this jumper is installed in the RECV position, clock pulses on the Clock Bus will be sent to the Ping jack as if they were patched directly into the jack. When a cable is plugged into the Ping jack, the Clock Bus signal will be ignored. When this jumper is installed in the SEND position, the ping clock (before division or multiplication) will be sent over the Clock Bus. In other words, if you tap a tempo on the Ping button or if you patch an external clock into the Ping jack, this tempo will be sent 1:1 to the Clock Bus. Changing the Div/Mult amount will not change the signal on the Clock Bus. When using the Mini PEG to send a clock, you must ensure there are no other modules configured to send a clock over the same Clock Bus. Having two modules send clocks on the same Clock Bus will result in unpredictable behavior, possibly causing erratic tempos and/or making all Clock Bus modules fail to work properly. To disable the use of the Clock Bus, remove the jumper entirely. It’s safe to “park” the jumper by installing it on only one pin.

Updating Firmware

The Mini PEG has a boot loader that allows for updating the firmware by playing a special audio file into the module. When a firmware update is available, it will be posted on 4mscompany.com as a WAV file (or zipped WAV file).

Updating Firmware

1. Download the audio firmware file and prepare to play it on your computer or mobile device.
2. Set your computer or device volume to maximum, both in the system/OS controls and also in the audio player application.
3. Power off the Mini PEG and unpatch all cables.
4. Patch the computer/device output to the Shape CV jack (any mono or stereo cable will work).
   • Note: If you have a 4ms Listen IO or another module that boosts line level to Eurorack level, run the audio through it before patching into the Shape CV jack.
5. Hold down Ping and Cycle while you power on the Mini PEG.
6. The module will boot into bootloader mode, with the Ping light blinking green, and the ENV OUT and 5V ENV lights purple.
   • If you wish to exit bootloader mode, press the Ping button while it’s flashing green.
7. Begin playing the audio firmware file. You can monitor the signal by listening to the EOF jack.
   • The Ping and Cycle buttons will alternate blue and white to indicate the signal is being received
8. If the update fails, the buttons will flash red. Press Ping to try again.
   • If it fails more than once, you may need to adjust the threshold. See below.
9. When the update succeeds, the lights will flash rainbow colors. Press Ping to start running the new firmware.

Adjusting the Threshold

The Mini PEG can compensate for a variety of signal levels by adjusting the threshold. This technique is only recommended if you don’t have access to a line-to-Eurorack level conversion module such as the Listen IO.

The ENV OUT and 5V ENV lights show the current threshold. Each light can be one of five possible colors: off, blue, purple, red, white. Off is the lowest value and white is the highest value. There are 25 possible values. The ENV OUT light is weighted more than the 5V ENV light. The lowest threshold is represented by both lights being off. The next higher threshold value is when ENV OUT is off and 5V ENV is blue. The highest value is when both lights are white. The module starts bootloader mode with the threshold near the middle of the range: both lights are purple. Each time you press Cycle, the threshold will increase and the lights will change. Once you get to both lights being white (highest threshold), it will cycle back around to both lights being off (lowest threshold). If you have trouble loading a firmware file and have already tried a different device and checked your volume, then adjusting the threshold may help. The best approach is to try different values until you find one that works.

Troubleshooting

• Make sure the volume on your device and app are at 100%.
• Try a different computer or device.
• Do not use sophisticated playback software such as Ableton, as these can inadvertently alter the encoded audio. Use the most basic playback program available.
• Adjust the threshold (see above)
• If you have an oscilloscope or a way to view waveforms, compare the output of the EOF jack with the output of the computer or device. Adjust the threshold using the Cycle button until the pulses are similar (accounting for about 40μs-80μs of latency, and of course amplitude differences).
• Use a line-to-Eurorack module, such as the Listen IO, between the computer and the Mini PEG.

Viewing the Firmware Version

On power-up, the Mini PEG displays its firmware version by flashing two colors on the Ping button. The first color turns on immediately after power-up, then the light turns off for a moment and the second color turns on. As of this manual printing, the latest (and only) version number is 1.0.

System Mode

System Mode allows you to change the way the Mini PEG works. To enter System Mode, hold down the Cycle button for 3 seconds. When the lights flash to confirm entry into System Mode, release the button. You can exit System Mode at any time by holding down either the Ping button or the Cycle button for 3 seconds. If you exit with the Cycle button, your changes will be active but will not be saved after you power down (the previous saved values will be restored). If you exit with the Ping button, your changes will be saved.

If you enter System Mode with Cycle on, the envelope will continue to cycle while you remain in System Mode, but you will be unable to adjust its parameters. Saving the Clock Time and Cycle State The ping clock period and the state of the Cycle button can be saved so that the next time you poweron, the Mini PEG will load the saved values. If you are using an external clock patched into the Ping jack or received over Clock Bus, the tempo of that clock will be saved. If you tapped a tempo on the Ping button, that tempo will be saved. In either case the tempo before Div/Mult is applied will be saved. Whether or not the module is cycling will also be saved. If the Cycle button is illuminated at the moment you enter System Mode, then the module will turn Cycle on when you next power on.

There are six parameters in System Mode. Tapping the Cycle button will advance the parameter, looping around to the first after the sixth. Tapping the Ping button will change the parameter value.

Trigger Jack Function

The EOF light will be on, and the ENV OUT light will be red. The color of the Ping button shows the function of the Trigger jack. Press the Ping button to toggle.

Cycle Jack Function

The Cycle button will be flashing and all other lights will be off. The color of the Cycle button shows the function of the Cycle jack. When it’s set to Gate toggle, cycling will be toggled by a gate on the jack. When it’s set to Trigger toggle, each trigger will toggle cycling. Entering Sync mode upon receiving a gate is also an option (See Sync and Async Modes section). Press the Ping button to toggle.

EOF Jack Function

The EOF light will be on, the Ping button will be lit, and all other lights will be off. The color of the Ping button shows the function of the EOF jack. Press the Ping button to change functions.

EOF Jack Trig/Gate

The EOF light will flash/flicker. All other lights will be off except for Ping button. The color of the Ping button and the pulse width of the EOF light shows whether the EOF jack outputs gates or triggers. When set to gates, the EOF light will flash equally on and off. When set to triggers, the EOF light will flicker briefly on. Press the Ping button to toggle.

Free-running Ping

The Ping button light will be flashing white or red. All other lights will be off. The Ping button shows whether the ping clock keeps running after an external clock patched into the Ping jack stops. Press the Ping button to toggle.

Skew Limit

The ENV OUT light will be blue. All other lights will be off except for Cycle button. The color of the Cycle button shows whether the maximum slew time is limited. When slew is not limited, popping or clicking can be heard when using the Mini PEG with a VCA. Slew limiting prevents this by limiting the fastest rise or fall time. Skew is never limited if the envelope period is in the audio range. Press the Ping button to toggle.

Electrical and Mechanical Specifications

• Mini PEG
  • 8HP Eurorack format module
  • 0.95” (24mm) maximum depth (includes power cable)
  • 16-pin Eurorack power header
• Power consumption
  • +12V: 55mA
  • -12V: 30mA
• Envelope Outputs
  • Maximum voltage range (ENV OUT): -9.4V to +9.4V
  • Maximum amplitude (ENV OUT): 9.5Vpp
  • Voltage range (5V OUT): 0V to +5V
  • Frequency range: +/-0.1dB DC to 1kHz, -1.0dB@2.5kHz, -2.0dB@4kHz
  • 12-bit, 40kHz sample rate
• Clock Range
  • Period range: 29.16 hours to 250μs (4kHz)
• CV Inputs (Div/Mult and Shape)
  • Voltage range: -5V to +5V
• Gate Inputs (Ping, Trigger, Cycle)
  • Rising edge threshold: 2.5V

References

• 4ms: Modules

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