4ms Rotating Sums
A passive 4-input mixer module made for use with 4ms Company's rotating clock modules.
Overview
The 4ms Rotating Sums is a passive Eurorack module that works as a 4-input mixer. 4ms Company developed it as a companion to their Rotating Clock Divider (RCD) and related timing modules. It combines several signal sources before they go on to other parts of a modular system.
Specifications
| Manufacturer | 4ms Company |
| Product type | Passive 4-input mixer module |
| HP | 6HP |
| Module depth | 30mm |
| Power consumption | 40mA maximum from +12V rail |
Context
The Rotating Sums belongs to a group of modules built around the 4ms Rotating Clock Divider (RCD) and Shuffling Clock Multiplier (SCM). It pairs with them to combine clock or trigger signals from multiple outputs. Unlike the RCD, it has no active circuitry. It needs no firmware and no jumper configuration.
Similar items on eBay
No exact 4ms Rotating Sums listings are live right now — these searches show current 4ms and similar vintage synth gear on eBay:
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.