Weston Precision Audio PA0 Phase Animated Oscillator

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Weston Precision Audio PA0 Phase Animated Oscillator

Weston Precision Audio

PA0 Phase Animated Oscillator

4.6 Expert Rating

Product Info

Article Number: 600143
Model: PA0 Phase Animated Oscillator
Price: $328.90

* Prices may vary. Check retailer for current pricing and availability.

The PA0 is a seriously creative oscillator; Weston’s nailed the phase animation concept. It’s perfect for experimental sound design, ambient textures, and anyone wanting to dive deep into FM synthesis without a ton of complexity. If you’re looking for a unique core oscillator for your modular, this is a fantastic starting point.

Product Description

  • Weston Precision Audio PA0 Phase Animated Oscillator
  • Eurorack Module
  • 8-Step octave selector switch and control for fine tuning
  • Through-Zero FM with linear CV input
  • attenuator
  • FM index control and two selectable fixed index values
  • Exponential FM input with attenuator
  • 6 Waveform outputs: sine
  • triangle
  • sawtooth
  • square and square sub-octave
  • Second group of 6 waveforms that can be shifted in the range from 0° to 180° and beyond
  • Lock switch for exact 90° phase shift
  • CV input with attenuator for linear through-zero phase modulation
  • Sync input with selector switch for hard sync
  • off or soft sync
  • Current requirement: 110 mA (+12 V) / 95 mA (-12 V)
  • Width: 18 HP
  • Deth: 25 mm
PROS
  • • Exceptional phase animation creates evolving, organic timbres.
  • • Through-zero FM offers complex, unpredictable sonic textures.
  • • The octave selector and fine-tune control provide precise pitch shaping.
  • • Multiple waveform outputs expand sonic possibilities significantly.
CONS
  • • 18HP footprint can be restrictive in smaller Eurorack cases.
  • • Through-zero FM can be challenging for beginners to tame.
  • • Limited modulation destinations beyond the primary waveforms.

Product Video

Key Features

Type Phase Animated Oscillator
Waveforms Sine, Triangle, Sawtooth, Square, Square Sub-Octave, and shifted versions
HP Width 18
Depth 25 mm
Power Draw 110 mA (+12V) / 95 mA (-12V)
CV Inputs Linear Phase Modulation, Sync

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Frequently Asked Questions

Unlike a wave shaper which alters the waveform's shape, the PA0 shifts the entire waveform's phase, leading to more complex harmonic and spectral changes.
Yes, the soft sync setting allows for a more gradual and musical synchronization, which can be used to create bell-like or glassy sounds with the right modulation.
The attenuator lets you precisely control the intensity of the FM signal, preventing overly harsh or chaotic results and shaping the FM character from subtle to extreme.

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