Doepfer A-118 Noise/Random

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Doepfer A-118 Noise/Random

Doepfer

A-118 Noise/Random

4.8 Expert Rating

Product Info

Article Number: 170864
Brand: Doepfer
Model: A-118 Noise/Random
Category: Noise Modules
Price: $75.90

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

The A-118 is a workhorse noise module, pure and simple. It’s fantastic for creating evolving textures, subtle rhythmic modulation, and adding a bit of unpredictable character to your patches. Perfect for experimental sound designers and those wanting a reliable, budget-friendly noise source in their Eurorack.

Product Description

Doepfer A-118 Noise/Random, Noise/Random Voltage Generator

Module A-118 is a noise and random voltage generator. It produces the following signals: white noise, coloured noise, and random voltage. White and coloured noise can be used as audio signals, and also (in conjunction with an S&H module) as a control voltage. The resulting random voltage is mainly used as a control voltage, especially because of its low frequency content.

There are knobs to control the rate of change and amplitude of the random voltage, and two LEDs indicate the state of the voltage.

, Width: 8HP / 40.3 mm, Depth: 40 mm (measured from the back side of the front panel), Power requirements: +20 mA (+ 12V) / -10 mA (-12V)

PROS
  • • Classic Doepfer build quality: robust, reliable, and feels very solid.
  • • Versatile noise generation: white, coloured, and genuinely useful random voltage.
  • • Low-frequency random voltage ideal for subtle modulation and rhythmic patterns.
  • • Compact 8HP footprint makes it perfect for dense modular setups.
CONS
  • • Limited control compared to more advanced noise modules.
  • • Power draw could be a factor in systems with limited power supplies.
  • • No output attenuators; signal levels might require external adjustment.

Product Video

Key Features

Noise Types White, coloured, and random voltage
Outputs White Noise, Coloured Noise, Random Voltage
HP Width 8HP
Depth 40 mm
Power Draw +20 mA (+12V) / -10 mA (-12V)

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Frequently Asked Questions

It's less pronounced than true pink noise, with a slightly brighter character. It's a nice middle ground for adding warmth without being overly muffled.
Absolutely, but the low-frequency nature means it's better suited for subtle, evolving melodies rather than fast, aggressive sequences. It adds a gentle unpredictability.
Yes, it's a very accessible and straightforward module, providing a solid foundation for understanding noise and random voltage principles.

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