Multi-Purpose Mixer 20+2 inc FX Soundcraft's MFXi mixers are compact and ideally equipped for live sound applications including fixed installations, houses of worship and portable PA. 8, 12 and 20 mono input MFXi mixers are empowered by built-in 24-bit Lexicon processing, delivering 32 stunning reverb, delay and chorus effects (see opening page). All MFXi mixers include 2 stereo input channels along with a 2-track record output and a 2-track replay input which allows interval music to be easily played from CD, MP3 or other music source. For increased versatility, each model in the MFXi range has two subgroups as well as a main stereo mix, making control of groups of channels much easier to manage. These are supplemented by 2 Auxiliary busses which can be used for effects sends or to provide a foldback monitor mix for artists. The MFXi consoles use vertically mounted PCBs which are secured with nutted pots for extra strength, stability and easy servicing. Well-spaced controls provide easy access at those critical control moments, enhanced by clear legending which highlights linked or associated functions. Sound quality is assured by Soundcraft’s now-legendary GB30 mic preamp and the use of professional condenser microphones is facilitated by the provision of globally switched +48V phantom power. New circuit designs have improved audio quality, and lowered the overall noise floor of the console and FX sections. An integral universal power supply negates the need for an external power module. Rack ears are included with 12 channel consoles. Key Features: Built-in Lexicon 24-bit effects Precision GB30 mic pre-amps True, professional +48V phantom power for condenser microphones 2 Group busses Stereo Mix output 8, 12 or 20 mono Mic inputs, all with 2 stereo line inputs Up to 28 inputs to mix Aux sends, globally switchable pre or post-fade FX send Universal internal power supply Optional rack ears (standard on 12 channel consoles) The addition of a Kensington lock slot on MFXi/MPMi consoles provides a welcome level of security in installations. MFXi - MPMi: The Differences MFXi input channels feature an FX send to the internal Lexicon effects processor, along with 2 Aux sends for use with external processors, or to create a monitor mix. MFXi consoles include an additional stereo return to mix with its own level control. With no internal Lexicon effects, MPMi input channels replace the FX send with a third Aux send for operators preferring to use external effects.
Specifications
Frequency Response
Mic / Line Input to any Output
+/-1.5dB, 20Hz – 20kHz
T.H.D.
Mic Sensitivity -30dBu, +14dBu @ Mix output
< 0.01% @ 1kHz
Noise
Mic Input E.I.N. (maximum gain)
-126.5dBu (150O source)
Aux, Mix and Masters (@ 0dB, faders down)
< -85dBu
Crosstalk (@ 1kHz)
Channel Mute
> 96dB
Aux Send Pots Offness
> 86dB
EQ (Mono Inputs)
HF
12kHz, +/-15dB
MF (swept)
150Hz – 3.5kHz, +/-15dB
LF
80Hz, +/-15dB
Q
1.5
EQ (Stereo Inputs)
MF
720Hz, +/-15dB
Power Consumption
Less than 40W
Operating Conditions
Temperature Range
5°C to +40°C
Input & Output Levels
Mic Input
+15dBu max.
Line Input
+30dBu max.
Stereo Input
Mix Output
+20dBu max.
Headphones (@150O)
300mW
Recommended headphones impedance
32 - 200O
Input & Output Impedances
2kO
10kO
45kO
Outputs
150kO (balanced), 75O (unbalanced)
Width Height Depth Weight MFXi8 383mm (15") 94mm (3.7") 405mm (16.0") 4.0 kg (8.8 lbs) MFXi12 482mm (19.0") 94mm (3.7") 405mm (16.0") 6.7 kg (14.8 lbs) MFXi20 688mm (27.0") 94mm (3.7") 405mm (16.0") 9.3 kg (20.4 lbs)
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