Stereo Triggered Sampler [STS]

Firmware v1.5 and new Sample Pack 2022 released!

The Stereo Triggered Sampler is a high fidelity, two-channel stereo sample recorder and playback module. The STS can record high quality stereo files, while simultaneously playing two different stereo files. A maximum of 600 samples can be loaded from the removable/swappable microSD card, in a variety of formats up to 96kHz/32-bit/stereo WAV. All sample parameters (1V/oct pitch, sample file selection, length, and start position) are CV controllable.


Electrical and Mechanical Specifications:
  • Module Size:
    • 20 HP Eurorack format module
    • 10-pin Eurorack power header
    • 0.98" (25mm) maximum depth with power cable
  • Power consumption:
    • +12V rail: 145mA
    • -12V rail: 39mA
    • +5V rail: not used
    • Connect red stripe of power cable towards the bottom of the module, which is marked with a white stripe and the words -12V and POWER
  • Audio Inputs:
    • 20Hz to 20kHz (-7.6dB rolloff)
    • 21V peak-to-peak maximum before clipping
  • Audio Outputs:
    • 0Hz (DC) to 22kHz with maximum -1.8dB difference between file data and output
    • +10.5V to -10.5V maximum output
  • Trigger inputs:
    • Latency: 0.7us minimum
    • Acceptable trigger voltage range: +2V to +12V
  • Trigger outputs (End Outs):
    • +10V trigger pulse
    • Pulse Width: 13ms typical, reduces to 2.75ms minimum with shorter loops
Included with the STS:
  • 16GB micro SD card (class 10)
  • SD adaptor
  • 10-to-16 pin power cable
  • M3 Knurlie screws

User Manual:

Firmware version 1.5.2b (October 2022):

Sample Pack (2022):

Change Log:

  • (previous version v1.4g from August 2020 here)

How to Update:

It's easy to update yourself. You just need to play a special .wav file into STS. Follow the instructions in the User Manual.