Key Features
- Generate envelopes and gates from virtually any audio source
- Features a PI and Expander
- Maximum clarity at all times via side-chaining effect
- Three unique gain-staging options and sensitivity knob provides control over any source
4ms Percussion Interface + Expander Overview
Create gates and envelopes from any audio source. The 4ms Percussion Interface + Expander are essential tools for any Eurorack set-up. Real drums, fake drums, samples, even drum machines. You name it. The modules are able to transform any microphone, instrument, line, and modular sound into controlled voltage or clock and gate signals.
The PI and PI expanders are the ultimate choice for enabling you to synchronise devices such as sequencers and modules to the rhythm of an audio track. Incredibly versatile, you'll be able to use both of the modules as a preamp for microphones and line-level sources such as bass, guitar, keys and synths. The ability to create inverted envelopes also makes them great for side-chaining possibilities, directly at source.
The PI module is incredibly versatile and can be used in standalone mode. However, it's important to note that the Expander needs the PI module to function and enhances the set-up, providing three unique gain-stating options, a modular-level audio output connector and 6.53mm input jack.
Product Ref: 168330
Full Description
View Full DescriptionThe subtlest of variations
Thanks to the wide range of settings at your finger tips you'll be able to perfectly trigger gates without fail. The PI features three gain settings consisting of low, medium and high. This can be fine tuned by adjusting the sensitivity knob. By using follow mode, the PI works by sensing the velocity of the signal. The expansive range of dynamics this operates on means the device will still trigger, even when detecting the lowest possible signal.
Side-chain until your hearts content
The PI allows you to use the device to achieve brilliant ducking and side-chaining effects. This enables you to use one audio signal as a key in order to control the dynamics of another. Through doing so, this ensures dynamic reduction only occurs when you want it to. Brilliant examples of this include side chaining basses to reduce when kicks / 808s hit for maximum impact, and when vocals clash with lead synths.
Features
- Sensitivity knob, Low/Medium/High gain switch, and clipping LED
- Sustain control to prevent misfires, increase gate length, and control the envelope
- Envelope decay control
- Non-inverted and inverted envelope outputs, useful for side chaining
- Four envelope outputs: two attenuated with independent attenuators, and two non-attenuated
- Envelope following or generation modes
- Gate output for clocking sequencers or any unit with a clock or trigger input
- Compatibility with drums, pads, samplers, microphones, piezos, drum machines, etc.
- 1/8" or 1/4" input jack (6.35mm)
Specifications
- 4 HP Eurorack formal module
- 0.98" (25mm) maximum depth with power cable
- 10-pin Eurorack power header
- 4 HP Eurorack formal module
- 0.98" (25mm) maximum depth with power cable
- 8-pin cable connects to PI
- With PI Expander
- +12V: 104mA
- -12V: 65mA
- Without PI Expander
- +12V: 69mA
- -12V: 56mA
- +12V: 69mA
- 1/8” [3.5mm] on PI main module, and 1/4” [6.35mm] on PI Expander
- 100k input impedance, AC-coupled
- Voltage range: -10.4V to +10.8V, DC-coupled
- 1k output impedance
- Gain range: Clip light turns blue when signal (post-gain) exceeds 2.5Vpp
- Gate is triggered when signal (post-gain) exceeds 6.3Vpp
- Clip light flashes red when signal clips on Audio Out jack (exceeds +10.8V)
- Product Code: PI+EXP
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