Doepfer A-117

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Doepfer A-117

Doepfer

A-117

4.8 Expert Rating

Product Info

Article Number: 182937
Brand: Doepfer
Model: A-117
Category: Noise Modules
Price: $80.30

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

The A-117 is a surprisingly capable little module. Its digital noise is unlike anything else in the Doepfer range, and the 808 source is a decent homage to those iconic drum machines. It's a great starting point for modular experimentation or a useful addition for those wanting unique textures.

Product Description

Doepfer A-117, Digital Noise / 808 Sound Source

  • Module A-117 (DNG) is a combination module
  • including a digital noise generator and an 808 source. The digital noise generator uses random sequences of square waves
  • (18-band
  • with multiple slewed feed-back loops)
  • whose rate can go from random clicks to pure noise. The colour of the noise is very different from the analog noise produced by the A-118. In addition to a manual setting
  • the rate can be control-led by an external clock - eg. VCO
  • LFO or MIDI clock).

The 808 Source aims to re-create the sort of multi-oscillator array that was used in Roland’s TR-808 and 606 drum machines as the basis of the sound of the hi-hat, cymbals and cowbell. The cowbell mix uses two oscillators, and the cymbals mix six., Width: 8HP / 40.3 mm, Depth: 40 mm (measured from the rear of the front plate), Power requirements: 20 mA (12V) / -10 mA (-12V)

PROS
  • • Unique digital noise character distinct from analog alternatives
  • • 808 source recreates classic drum machine textures convincingly
  • • Compact 8HP footprint ideal for space-constrained modular systems
  • • External clock input offers versatile rhythmic possibilities
CONS
  • • Limited noise shaping compared to more complex noise generators
  • • 808 source's sounds can be somewhat predictable without extensive modulation
  • • Relatively basic feature set for a modern noise module

Product Video

Key Features

Noise Types 18-band square wave noise with feedback loops
Outputs Noise output, 808 Source output
HP Width 8HP
Depth 40 mm
Power Draw Approximately +12V: 60mA, -12V: 15mA

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Frequently Asked Questions

The A-117’s noise is brighter, more granular, and less organic than the A-118’s warm, classic analog noise – it's more suited to glitchy or metallic sounds.
While the 808 source attempts to emulate those sounds, it's best used as a starting point; significant modulation and processing will be needed for realism.
Yes, it's generally reliable, but be aware that Doepfer’s MIDI clock implementation is somewhat basic and might require some tweaking for perfect synchronization.

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