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StrymonAA.1 Amplifier Attenuator

Item#
N13-8500
4hp
$129.00

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Strymon AA.1

Strymon's AA.1 is the perfect link between a eurorack modular synthesizer rig and guitar pedals. This compact 4HP module works great in tandem with modules sporting send/return functionality, such as Strymon's Magneto tape delay emulator. Simply connect a guitar or bass for easy routing into the modular abyss or send an instrument level stereo signal from a modular synthesizer into an external interface.

AA.1 features a 1/4" stereo input for amplifying instrument-level signals by +18dB. This input is routed through 1/8" stereo outputs that can also be run in mono simply by patching into the left channel only. Conversely, the adjacent L/R 1/8" ins attenuate those characteristically hot eurorack signals down to -18dB, outputting them through L/R 1/4" outputs.

AA.1 Features

  • Amplifier and attenuator module
  • 1/4" stereo input amplifies external signals by +18dB
  • 1/8" stereo input attenuates external signals by -18dB
  • Stereo outs can be converted to mono by patching into left channel only
  • 1x 1/4" input
  • 1x 1/4" stereo output
  • Eurorack module
  • Width: 4HP
  • Depth: 38mm
  • Current Draw: 10mA @ +12V, 10mA @ -12V

Amplifier:

  • Gain: +18dB
  • Max Input Level (before soft clipping): 2.25Vpp
  • Max Output: 18Vpp
  • Input Impedance: 1 MΩ
  • Output Impedance: 1 kΩ
  • 20Hz – 20kHz, +/- 1dB

Attenuator:

  • Gain: -18dB
  • Max Input Level (Nominal): 20Vpp
  • Max Output Level (Nominal): 2.5Vpp
  • Input Impedance: 8 kΩ
  • Output Impedance: 880 Ω
  • 20Hz – 20kHz, +/- 1dB
SignalRelated Articles62HP: Ultimate Guitar Effects ProcessorUsing a Modular Synthesizer for Guitar EffectsGuitar Effect Pedals + Modular SynthsAdding FX Pedals to Your Eurorack SystemExploring Effects Pedal Signal ChainsThe Rules of Pedal Chain Order...and How to Break ThemRethinking Eurorack: Keeping it in the Rack...or NotSome Not-So-Holistic Approaches to the Modular SynthesizerStaff Picks: Best Synths + Modular GearOur Favorite New Gear in 2021
Product Demo Videos
Strymon AA.1 Amplifier Attenuator Eurorack Module - Demo
AA.1 is designed to be your bridge between the world of guitar pedals and the world of Eurorack modular. This compact 4HP amplifier attenuator module has everything you need to interface your modular with your guitar effects pedals as well as with your guitar or bass.

Most Eurorack modules output very hot audio signal levels that can easily overload the inputs of effects pedals or computer audio interfaces. The audio inputs in a Eurorack system also need to receive very hot signals. AA.1 amplifies and attenuates the signals to the appropriate levels, allowing you to combine your guitar gear and Eurorack modules in just about any way you can imagine. Check out the video to see four common use cases with musical examples and signal routing explanations.
Strymon AA.1 Amplifier Attenuator Reviews