Blue Lantern Modules Stereo Sir Mix-A-Lot
Six-channel mono summing mixer for audio and CV
24 HP Eurorack module
Stereo Sir Mix-A-Lot is a Blue Lantern Modules 6-channel stereo mixer with per-channel level, pan, mute, AC/DC coupling, and dual send buses (A and B) with FX returns. Features a direct input with selectable impedance and both individual and summed outputs.
Features
- 6-channel mono summing mixer
- Per-channel AC/DC toggle switch with 2.2uF capacitor in AC mode
- Per-channel mute toggle switch
- Suitable for both audio and control voltage summing
- Direct input accepts additional synth-level or line-level signal
- Rear slide switch selects 200k (synth level) or 20k (line level, labeled FF) resistor for direct input
- Chainable: use direct input at synth level to connect multiple units
- Ships with TL072 op-amp in IC socket — user-upgradeable to audio-grade dual op-amp (e.g. OPA2227, OPA2134) compatible with +/-12V
- Euro 12HP format
Controls & Jacks (60)
- Output— Summed mono output from all channels
- SEND A B— Master send level for send bus A/B
- SEND B 1— Send B level for channel 1
- FX 1— FX send level control 1
- CH2— Gain control for channel 2
- Channel 4 Input— Audio or CV input for channel 4
- PAN 1— Stereo pan control for channel 1
- SEND A 1— Send A level for channel 1
- B 1— Send B return/output jack 1
- Channel 6 Input— Audio or CV input for channel 6
- Channel 2 Input— Audio or CV input for channel 2
- PAN 2— Stereo pan control for channel 2
- A— Send A return/output jack
- B 2— Send B return/output jack 2
- CH1— Gain control for channel 1
- Direct Input— Direct input for additional synth-level or line-level signal
- PAN 3— Stereo pan control for channel 3
- Channel 3 Input— Audio or CV input for channel 3
- 6 LEVEL— Level control for channel 6
- 1 LEVEL— Level control for channel 1
- CH1— Channel 1 direct output jack
- 5 LEVEL— Level control for channel 5
- Channel 6 Mute— Mute switch for channel 6 to silence without unplugging
- Channel 5 Input— Audio or CV input for channel 5
- PAN 4— Stereo pan control for channel 4
- CH2— LED indicator for channel 2 signal level
- Channel 1 Input— Audio or CV input for channel 1
- B 3— Send B return/output jack 3
- FX 2— FX send level control 2
- FX 3— FX send level control 3
- PAN 5— Stereo pan control for channel 5
- SEND B 2— Send B level for channel 2
- Channel 1 Mute— Mute switch for channel 1 to silence without unplugging
- 3 LEVEL— Level control for channel 3
- SEND A 2— Send A level for channel 2
- B 4— Send B return/output jack 4
- PAN 6— Stereo pan control for channel 6
- SEND B 3— Send B level for channel 3
- FX 4— FX send level control 4
- 2 LEVEL— Level control for channel 2
- SEND A 3— Send A level for channel 3
- Channel 2 Mute— Mute switch for channel 2 to silence without unplugging
- SEND B 4— Send B level for channel 4
- Channel 1 AC/DC— Toggle between AC mode (audio signals) and DC mode (control voltages) for channel 1
- SEND A 4— Send A level for channel 4
- SEND A 5— Send A level for channel 5
- SEND B 5— Send B level for channel 5
- SEND B 6— Send B level for channel 6
- 1 MUTE— LED indicator for channel 1 mute status
- Channel 2 AC/DC— Toggle between AC mode (audio signals) and DC mode (control voltages) for channel 2
- Direct Input Mode— Rear slide switch to select between synth level (200k resistor) and line level (20k resistor) for direct input
- Channel 6 AC/DC— Toggle between AC mode (audio signals) and DC mode (control voltages) for channel 6
- Channel 3 Mute— Mute switch for channel 3 to silence without unplugging
- 4 LEVEL— Level control for channel 4
- 24HP— LED panel indicator
- Channel 3 AC/DC— Toggle between AC mode (audio signals) and DC mode (control voltages) for channel 3
- Channel 4 AC/DC— Toggle between AC mode (audio signals) and DC mode (control voltages) for channel 4
- Channel 4 Mute— Mute switch for channel 4 to silence without unplugging
- Channel 5 AC/DC— Toggle between AC mode (audio signals) and DC mode (control voltages) for channel 5
- Channel 5 Mute— Mute switch for channel 5 to silence without unplugging
How-To Guides
- Basic Audio Submix
- Control Voltage Summing
- Live Mute Performance
- Chaining Two Sir Mix-A-Lot Units
- Mixing External Line-Level Device
- Mixed Audio and CV on Same Output
- Noise Layering for Texture
- Upgrading the Op-Amp for Audio Quality
- Drum Voice Submix
Explore the interactive Stereo Sir Mix-A-Lot panel on BleepDex — tap any control to learn what it does.