Intellijel — Unity

Manual PDF

Intellijel Unity Mixer Manual (PDF)
(Assuming the manual reflects the attached content)

Intellijel Unity Mixer Cheat Sheet

Type: Dual 3:1 / 6:1 Unity Gain Mixer
HP: 2hp
Function: Mixes audio or CV signals with no attenuation or amplification (unity gain).
Current Draw: 11mA @ +12V; 14mA @ -12V
Max Output Voltage: ±10.5V

Panel Overview

Jack	Label (from top to bottom)	Function
1	IN 1	Top mixer input 1 (audio or CV, ±10.5V max)
2	IN 2	Top mixer input 2 (audio or CV, ±10.5V max)
3	IN 3	Top mixer input 3 (audio or CV, ±10.5V max)
4	OUT 4	Top mixer output (sum of IN 1, IN 2, IN 3)
5	IN 5	Bottom mixer input 1 (audio or CV, ±10.5V max)
6	IN 6	Bottom mixer input 2 (audio or CV, ±10.5V max)
7	IN 7	Bottom mixer input 3 (audio or CV, ±10.5V max)
8	OUT 8	Bottom mixer output (sum of IN 5, IN 6, IN 7, and—if OUT 4 is unpatched—also the sum from top mixer, for up to 6:1 mixing)

No knobs, buttons, sliders, or toggles are present on this module.

Connection Reference

Inputs: Accept either audio or CV within ±10.5V range.
Outputs: Clip at ±10.5V if input sum is higher.

Dual Mixer Mode

[1], [2], [3] → summed to [4]
[5], [6], [7] → summed to [8]
Use as two independent 3:1 summing mixers.

6:1 Mixer Mode

If [4] is unpatched, both sums ([1]+[2]+[3]+[5]+[6]+[7]) appear at [8].
Useful for summing up to 6 audio or CV signals to a single output.

Special Features

Attenuation Jumpers (On Rear PCB)

Per-mixer -6dB option, set via circuit board jumper.
Useful for giving extra headroom if using hot signals (e.g. raw VCOs).
-6dB attenuates summed output by half.
Access by removing the module from case; see manual page 5 for layout.

Usage Tips

Use for merging CV or audio without needing per-channel level control.
Works well after/with dedicated attenuators (e.g., Intellijel Triatt/Quadratt).
If lacking mix headroom, set rear jumper to -6dB for either section.

Quick Reference

Inputs/Outputs: Accepts/buffers both audio and CV, ±10.5V max
Output headroom: +10.5V to -10.5V before clip
Attenuation: Optional rear jumper for -6dB per section
No local panel controls

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