ALTO PROFESSIONAL MESA TRUEMIX 500 USB

• USB I/O for audio playback and stereo recording
• 1/4” Main, Tape, and Headphone outputs
• Mic input channel with 48v phantom power and balanced line input
• Two stereo input channels with balanced 1/4” TRS jacks
• Two-band EQ on all channels
• 2-track inputs w/ assignable routing: Main Mix or Headphone Out
• Extra knob caps included in the box for added customization

TECH INFORMATION

Frequency Response

All inputs: 20 Hz – 22 kHz (±1 dB)

THD+N (Total Harmonic Distortion)

All inputs: < 0.005% (@ 4 dBu, 1 kHz)

Gain Range

Mic inputs (Channel 1): 0 – 44 dB

Line input (Channel 1): 12 – 30 dBu

Line inputs (Channels 2/3): 0 dBu

Max Voltage Gain

74 dB (Mic Input to Main Out and 2TK Output)

80 dB (Mic Input to Phones Output)

30 dB (Line Input to Main Out)

SNR (Signal-to-Noise ratio)

All inputs: > 110 dBu

Impedance

Mic inputs: 3.9 kΩ

All other inputs: > 10 kΩ

2TK output: 1 kΩ

All other outputs: 120 Ω

Crosstalk

Adjacent inputs: < -80 dB @ 1 kHz

Inputs to outputs: < -75 dB @ 1 kHz (stereo L/R, Channel 1, panned hard left or right)

Equalization

High: ±15 dB @ 12 kHz

Low: ±15 dB @ 80 Hz

Connectors

(2) 1/4” (6.35 mm) TRS outputs

(2) 1/4” (6.35 mm) TRS stereo L/R inputs

(1) 1/4" (6.35 mm) TRS headphone output

(1) 1/4" (6.35 mm) TRS mono input

(1) XLR input

(1) Stereo RCA L/R input

(1) Stereo RCA L/R output

(1) USB type-B input

(1) DC power input

Controls

(1) Power switch

(6) Volume control knobs (1 per input and output)

(3) Gain control knobs (1 per channel)

(3) EQ Hi control knobs (1 per channel)

(3) EQ Low control knobs (1 per channel)

(3) Stereo pan control Knobs (1 per channel)

(2) Locking switch buttons

Indicators

(1) Power LED, (3) Peak LEDs, (8) Main Out meter LEDs

Main Mix

Main output: (2) 1/4" (6.35 mm) balanced TRS, +22 dBu max output

2TK output: (2) unbalanced RCA, 0 dBu max output

Headphone output: (1) stereo 1/4" (6.35 mm) TRS, 160 mW @ 32 Ω

Power

Connection: DC

Voltage: 18V, 500 mA

Consumption: 9 W

Dimensions

(width x depth x height)

6.3" x 7.6" x 2.6"

159.5 mm x 193 mm x 66 mm

Weight

2.0 lbs.

0.9 kg