Alto AMX-220FX, Service Manual

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Microphone input Electronically balanced ,discrete input configuration
Frequency response 10Hz to 55KHz,±3dB
Distortion (THD&N) 0.005% at +4dBu, 1KHz
Gain range 0dB to 44dB(MIC)
SNR (Signal NoiseRated) 115dB
Line input Electronically balanced
Frequency response 10Hz to 55KHz,±3dB
Distortion (THD&N) 0.005% at +4dBu, 1KHz
Sensitivity range +15dBu to –45dBu
Line input unbalanced
Frequency response 10Hz to 55KHz,±3dB
Distortion (THD&N) 0.005% at +4dBu, 1KHz
Microphone input 1.4K ohm
Channel insert return 2.5K ohm
All other inputs 10Kohm or greater
Tape out 1K ohm
All other output 120 ohm
Hi shelving ±15dB @12KHz
Mid sweep ±15dB @100KHz~8KHz
HI-MID ±15dB @3KHz
MID-Low ±15dB @500Hz
Low shelving ±15dB @80Hz
A/D and D/A converters 24bit
DSP resolution 24bit
Hall,Room,Vocal & Plate REVERBS
Mono & Stereo DELAY(max DELAY TIME 650ms)
Chorus,Flanger & Reverb MODULATIONS
DELAY,CHORUS,
FLANGER combinations
Presets 256
16-position PRESET Selector
16-position VARIATION Selector
PEAK LED
MUTE SWITCH with LED indicator
Fader 0 dB, channels muted:-100.0dBr (ref.:+4dBu)
Fader 0 dB,all input channels assigned and set to
UNITY gain:-90dBr(ref.:+4dBu)
+22dBu balanced XLR,
+22dBu unbalanced,1/4”jacks
AUX Return gain range OFF to +15dB
AUX Sends max out +22dBu
USA/ Canada 100-120V~,60Hz
Europe 210-230V~,50Hz
U.K/Australia 240V~,50Hz
Power Consumption 22watts
Dimension (W*D*H) 427mm X 412mm X 43mm
5.90kg for AMX-220MKII
5.98kg for AMX-220FX MKII
DSP Section
(For AMX-220FX MKII
)
Physical
Main Mix Section
Main voltage
Power supply
(AC/AC Adaptor)
Net weight
Type of effects
Controls
Max output
Noise (Bus noise )
Mono input channels
Stereo input channels
Impedance
Equalization
2. Specification
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