The Dual Looping Delay (DLD), designed by 4ms and Gary Hall, is an advanced audio processor for creative synthesis. Not a tape or analog emulation but a modern crystal-clear digital delay, the DLD combines features of delay, looping, and sample-tight synchronization for powerful and dynamic sound capture and modification. The DLD is designed to integrate seamlessly with modular timebase and sequencing devices such as the 4ms Quad Clock Distributor (QCD), etc.
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Electrical and Mechanical Specifications:
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- Module size:
- 20 HP Eurorack format module
- 0.98" (25mm) maximum depth with power cable
- Power consumption:
- +12V rail: 188mA max (jumper set to 5V)
- -12V rail: 48mA max
- +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:
- 0Hz (DC) to 24kHz
- 16.8V peak-to-peak maximum before clipping (when AC coupled)
- Optional jumper to choose DC or AC coupling on input.
- Audio Outputs:
- 0Hz (DC) to 24kHz with maximum -1.7dB difference between input and output (see technical specification section)
- +10.5V to -10.5V maximum output
- Soft limiting compression allows for saturation before clipping (can be disabled)
- Clock outputs (Main, Loop A, Loop B):
- 0V to 8.2V
- +/- 2.4us maximum jitter (i.e. 0.001% at 120 BPM)
- Rise or Fall time: <1us
- Pulse Width (Trigger mode) 22ms
- Gate mode 50% (square wave)
- At clock speeds faster than 22Hz, the clock output becomes 50% duty cycle
Included with the DLD:
- 16-to-16 pin power cable
- 4 M3 Knurlie screws