Soundcraft Efx 12 - Refurbished
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Manufacturer Information
Soundcraft
https://www.soundcraft.com
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A Series That Extends the DNA of Versatile Consoles
Available in 8 or 12 mono channel versions, the EFX series adopts the architecture and workflow of the EPM series while integrating a 24-bit Lexicon effects module. It adds expected features in the multi-format console category while maintaining excellent value for money. The use of low-tolerance surface-mount components optimizes the precision of gain and EQ stages.
For Stage, Rehearsal, and Fixed Installation
Designed for bands, small stages, project studios, and installed venues, the EFX offers quick setup and clear routing. The 2 auxiliaries facilitate monitor and/or effects management, while the headphone output and precise level display ensure secure mixes and performances.
Features and Ergonomics Serving the Mix
GB30 Preamps and Headroom Control
The GB30 microphone preamp, identical to those in the LX7II and GB series, provides +22 dB dynamic headroom and true professional 48V phantom power. A progressive clipping LED warns of any saturation by displaying the approach to threshold on the various stages of each channel.
Integrated 24-bit Lexicon Effects
The 24-bit Lexicon processor delivers ready-to-use reverbs and effects without external hardware. Quick recall and processing quality guarantee consistent musical atmospheres from live to studio.
Clear Routing and Robust Connectivity
Inserts on all channels plus the Master, 3-band EQ with variable mid, and 60 mm faders offer precise control. Metal XLR and 6.35mm Jack connectors, 10-segment stereo Master VU meter, and headphone output complete a reliable and durable package.
Technical specifications
| Available versions | 8 or 12 mono channels | Output | 150 Ohms (balanced) |
| Dynamic headroom | +22 dB | Mono channel | HF 12 kHz, +/-15 dB, shelving; MF 150 Hz - 3.5 kHz, +/-15 dB, Q=1.5; LF 80 Hz, +/-15 dB, shelving |
| Noise level | Mic EIN @ max gain, 150 Ohms: -127 dBu | Stereo channel | HF 12 kHz, +/-15 dB, shelving; MF 720 Hz, +/-15 dB, Q=0.8; LF 80 Hz, +/-15 dB, shelving |
| Frequency response | 20 Hz - 20 kHz, +/- 1.5 dB | Max mic input level | +15 dBu |
| Distortion + Noise | Mic gain -30 dBu, +14 dBu mix output: < 0.02% @ 1 kHz | Max line input level | +30 dBu |
| Mic input | 2 kOhms | Max output level | +20 dBu |
| Line input | 10 kOhms | Headphone output | 300 mW (150 Ohms) |
| Stereo input | 65 kOhms | Internal power supply | 85 V - 270 V AC |
Questions frequently asked
Does the refurbished Soundcraft EFX 12 have built-in effects?
The built-in 24-bit Lexicon processor provides reverbs and effects without the need for an external processor. The quick recall facilitates their use in rehearsals, on stage, or in project studios.
How many microphones can be connected to this mixer?
This version features 12 mono channels and GB30 mic preamps. Each mono channel includes a 2 kOhm mic input and can handle up to +15 dBu.
What equalization settings are available on the mono channels?
Mono channel EQ includes highs at 12 kHz and lows at 80 Hz, adjustable ±15 dB. The midrange is sweepable from 150 Hz to 3.5 kHz, with a ±15 dB range and a Q factor of 1.5. Each channel is also equipped with 60 mm faders for control.
Is it possible to manage stage monitors with the EFX 12?
The 2 auxiliary sends allow feeding monitors and/or effects. The headphone output delivers 300 mW at 150 Ohms for listening control.
What connectivity and level indicators are included?
The mixer uses metal XLR and 6.35 mm jack connectors, with inserts on all channels and on the Master. A stereo 10-segment Master VU meter and progressive clip LEDs help monitor levels.



