Doepfer A-138i

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Doepfer A-138i

Doepfer

A-138i

4.8 Expert Rating

Product Info

Article Number: 467572
Brand: Doepfer
Model: A-138i
Price: $96.80

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

The A-138i is a no-frills, incredibly useful mixer for Eurorack. It's a fantastic entry point for those new to modular, or a reliable utility for experienced users needing a compact and dependable signal hub. Its simplicity is its strength, and it's a great value for the money.

Product Description

  • Doepfer A-138i
  • Eurorack Module
  • Compact 4-channel mixer
  • Suitable for CV and audio signals
  • Volume control and mute switch per channel
  • 2 Single output groups
  • 2 Mix outputs
  • Power requirements: +10 mA (+12 V) / -10 mA (-12 V)
  • Width: 6 HP
  • Depth: 40 mm
PROS
  • • Excellent Doepfer build quality; robust metal chassis and reliable pots
  • • Compact 6HP footprint maximizes precious modular space
  • • Flexible dual output groups enable complex routing possibilities
  • • Individual channel mutes simplify mixing and performance control
CONS
  • • Limited headroom; can introduce noise with multiple signals
  • • Simple design lacks advanced features like EQ or panning
  • • Basic attenuator functionality; not ideal for complex CV manipulation

Product Video

Key Features

Channels 4
Type Mixer, Attenuator
HP Width 6
Depth 40 mm
Power Draw +10 mA / -10 mA
Connections Multiple CV/Audio inputs, 2 Single outputs, 2 Mix outputs

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Frequently Asked Questions

It’s a basic mixer; competitors often include EQ or panning, but the A-138i offers a solid, reliable, and affordable core mixing function.
Absolutely, the A-138i is designed to handle both audio and CV signals, making it very versatile for modular patching.
Doepfer’s power draw figures are usually quite accurate, but remember that the actual draw will depend on the levels of your signals and any connected modules.

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