Alto RMX508 DFX


18 total inputs including 8 XLR jacks with phantom power, 8 line jacks and stereo RCA

On-board digital effects processor and 3-shelf EQ on each mono and stereo channel

Continuous 2 x 250W power at 4-ohms; 500W at 8-ohms Bridged

Class D Power for clean power and light weight

Built-in, recessed handles for easy transport

Mono input channels

Microphone input: Electronically balanced, discrete input configuration

Frequency response: 10Hz to 55kHz, +/–3dB

Distortion: (THD & N) 0.006% at +4dBu, 1kHz

Gain: 50dB (MIC)

SNR: (Signal to Noise Ratio) >90dB

Line input: Electronically balanced

Frequency response: 10Hz to 55kHz, +/–3dB

Distortion: (THD & N) 0.04% at +4dBu, 1kHz

Gain: 30dB

Stereo input channels

Line input: Unbalanced

Frequency response: 10Hz to 55kHz, +/–3dB

Distortion: (THD & N) 0.006% at +4dBu, 1kHz


Microphone input: 1.4kOhm

Channel Insert return: 2.5kOhm

All other inputs: 10kOhm or greater

Tape out: 1kOhm

All other output: 120Ohm


Hi shelving: +/–15dB @12kHz

Mid bell: +/–15dB @2.5kHz

Low shelving: +/–15dB @ 80Hz

Alesis DSP Section

A/D and D/A converters: 24-bit

DSP resolution: 24-bit

Type of effects

Hall, Room, Vocal & Plate REVERBS

Mono & Stereo DELAY (max DELAY TIME 650ms)

Chorus, Flanger & Reverb MODULATIONS


REVERB+FLANGER combinations

Presets: 256

Controls: 16-position PRESET Selector;16-position VARIATION selector

CLIP LED; MUTE SWITCH with LED indicator

Main Mix Section Noise: (Bus Noise) Fader 0dB, all input channels assigned and set to

UNITY gain:–71dBr (ref.:+4dBu)

Max output: +27dBu balanced, +22dBu unbalanced, 1/4" jacks

AUX Sends max out: +22dBu

Power supply Main voltage

100-120VAC ~ 60Hz

220-240VAC ~ 50Hz

Fuse 100 ~ 120V : T6.3AL

210 ~ 240V : T3.15AL

Stereo mode

230 W @ 4 ohm(RMS) THD=1%

150 W @ 8 ohm(RMS) THD=1%

Bridge mode 460 W @ 8 ohm(RMS) THD=1%

Physical Dimension (W×D×H) 550mm×220mm×310mm(8.66"×12.20"×21.65")

Weight (Net) : 13.2kg (28.70lb)

(Gross) : 15.93kg (35.11lb)

Dimensions (WxLxH): cm x cm x cm

Weight: 28.7 lb