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4ms Company Looping Delay Module (Assembled)

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Crystal-clear clock-synced delay for loop up to 90 seconds, echoes, sound-on-sound, Karplus-Strong etc.


  • Loop or echo time is synchronized to a clock
  • 87 seconds of delay/loop time maximum in mono mode, 43 seconds in stereo mode
  • 48kHz/24-bit sampling rate, loop recorded at 16-bit (24-bit optional)
  • Extremely quiet, low noise and low jitter design
  • Tap tempo button and clock Ping input set the basis for one "beat"
  • Delay/loop time set as a number of musical beats (or fractions of beats) using the Time knob, switch, and CV jack
  • Sample-accurate clock output for perfect synchronization
  • Loop clock output
  • Time switches change range of Time knob from 1/8th notes up to 32 bars
  • Digital feedback, up to 110%
  • Delay Feed control, independent of dry/wet signal mix
  • Infinite Hold mode disables recording input and fixes regeneration at exactly 100%
  • Reverse mode plays memory contents backwards
  • With an infinite loop locked, knobs or CV can "window" around memory, by shifting the loop
  • Trigger inputs for toggling Infinite Hold and Reverse
  • Send and Return for applying effects to feedback with external modules
  • In stereo mode, Send and Return function as Right Channel Audio Out and In
  • CV jacks to control Time, Level, Feedback and Dry/Wet Mix
  • 16HP Eurorack module


  • 48kHz, 24-bit low-noise hi-fidelity
  • Up to 90 seconds of loop time
  • 16HP
  • 1.1" (28mm) maximum depth with power cable
  • +12V: 125mA
  • -12V: 45mA

Included with the Looping Delay:

  • 16-to-16 pin power cable
  • 4 x M3 Knurlie screws
type ["Delay"]
_hp 16