Doepfer A-138s Mini Stereo Mixer

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Doepfer A-138s Mini Stereo Mixer

Doepfer

A-138s Mini Stereo Mixer

4.5 Expert Rating

Product Info

Article Number: 417513
Brand: Doepfer
Model: A-138s Mini Stereo Mixer
Price: $86.90

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

The A-138s Mini is a remarkably useful little mixer for Eurorack systems, especially when space is at a premium. It's perfect for basic stereo bussing, submixes, or simple effects sends – really shines for those needing to consolidate signals without a huge module footprint. The attenuators offer a good amount of control for the size, making it a surprisingly versatile addition.

Product Description

  • Doepfer A-138s Mini Stereo Mixer
  • Mini Stereo Mixer
  • 4-in-2 mix module in Eurorack format
  • Four inputs with attenuator and pan control
  • plus two 3.5 mm mini jack outputs
  • Width: 8 HP
  • Depth: 30 mm
  • Power requirements: +10 mA (+12 V) / -10 mA (-12 V)
PROS
  • • Compact 8HP footprint maximizes precious modular space.
  • • Individual attenuators offer precise level control per channel.
  • • Stereo mini-jack outputs provide flexible routing options.
  • • Solid Doepfer build quality ensures long-term reliability.
CONS
  • • Limited input count restricts complex mixing scenarios.
  • • Mini-jack connections aren't as robust as full-size jacks.
  • • Attenuation range lacks fine-grained adjustments for subtle blends.

Product Video

Key Features

Channels 4
Type Stereo Mixer
HP Width 8
Depth 30 mm
Power Draw +10 mA / -10 mA
Connections 4 x 3.5mm mini jack inputs, 2 x 3.5mm mini jack outputs

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Frequently Asked Questions

It's a scaled-down version – fewer channels and less flexibility, but the core mixing functionality is there in a very compact form factor.
They’re generally reliable, but avoid excessive force and rough handling to prevent wear and tear on the connectors.
You can certainly mix external sources using 3.5mm cables, but keep in mind the power draw and signal levels will need to be appropriate.

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