Alto Professional 500 Specs

Mixer
Number of Analog Input Channels 4 (1 Mono / 3 Stereo)
Number of Mic Preamps 1
Analog Output Channels 1 x Stereo Master Output
1 x Stereo Headphone Output
1 x Stereo Tape/Record Output
Mix Routing 2 x Stereo Main Mix per Main Mix Channel (LCR Main Mix Combines Stereo and Mono Main Mixes)
Faders & Level Adjustment 5 x Channel Knob
3 x Master Knob
Meters Main Meter:
1 x 4-Segment LED
Meter Range Main Meter:
-20 dB to +5 dB Peak/Clip
Signal Processing
Gain/Trim Range -8 to +10 dB
Input Polarity Fixed
Dynamic Processing None
Sidechain Filters None
EQ 2-Band Shelving
EQ Parameters High: ±15 dB (Shelving)
Low: ±15 dB (Shelving)
Graphic EQ None
Solo/Mute None
Channel Output/Source Monitoring AFL, Insert Return
Built-In Effects None
Performance
Frequency Response 20 Hz to 22 kHz ±1 dB
Max Input Level XLR Mic Input:
74 dB (To Main Out)
XLR Mic Input:
80 dB (To Phones Out)
1/4" Line Input:
30 dB (To Main Out)
Headphone Output Power 1/4": 160 mW into 32 Ohms
I/O Impedance XLR Mic Input:
3.9 Kilohms (Balanced)
Input:
> 10 Kilohms
RCA Tape Output:
1 Kilohms (Unbalanced)
Output:
120 Ohms
Crosstalk Adjacent Inputs:
-80 dB at 1 kHz
Input to Output:
< -75 dB at 1 kHz ((Stereo L/R, Channel 1, Panned Hard Left or Right)
SNR > 110 dB (All Inputs)
THD+N 0.005% (+4 dBu, at 1 kHz)
Connectivity
Analog Inputs 1 x XLR 3-Pin Balanced Mic Input
4 x 1/4" TRS Balanced Line Input (2 Stereo Pairs)
1 x 1/4" TRS Line Input
2 x RCA Coaxial Unbalanced 2-Track Input (1 Stereo Pair)
Analog Outputs 2 x 1/4" TRS Balanced Main Output (1 Stereo Pair, Post-Fader)
2 x RCA Coaxial Unbalanced Record/Tape Output (1 Stereo Pair, Post-Fader)
Phantom Power +48 V
Digital I/O None
MIDI I/O None
USB 1 x USB-B (2-Track Record, Audio Playback)
USB I/O Capacity 2 x Input / 2 x Output
Recording
Max Multitrack Recording 2 Tracks
Compatibility
OS Compatibility Windows 10
Windows 11
macOS
*As of March, 2023: Check with manufacturer for the most up-to-date compatibility
Required Hardware USB 2.0 Port, USB Cable
Power
DC Input Power 18 VDC at 500mA
Power Consumption 9 W
Current Consumption 500 mA
Physical
Rack Mountable No
Dimensions 6.3 x 2.6 x 7.6" / 15.9 x 6.6 x 19.3 cm (Desk-Mounted)
Weight 2 lb / 0.9 kg
Packaging Info
Package Weight 2.51 lb
Box Dimensions (LxWxH) 11.7 x 9.2 x 3.5"