Key Specification

Model

1202VLZ4

Noise

Main Mix Noise:
Main Mix Knob Down, Channel Gain Knobs Down: -100 dBu
Main Mix Knob @ Unity, Channel Gain Knobs Down: -86.5 dBu (90 dB SNR, ref +4 dBu)
Main Mix Knob @ Unity, Channel Gain Knobs @ Unity: -84.5 dBu
(20 Hz–20 kHz, 1/4" main out, channels 1–4 @ unity, EQs flat, ch. 1 & 3 left, 2 & 4 right)

Total Harmonic Distortion (THD)

Microphone Pre @ Insert: <0.0007%
(1 kHz @ 30 dB gain, 20 Hz–20 kHz)

Crosstalk / Attenuation

Main Mix Knob Down: -75 dBu
Channel Alt/Mute Switch Engaged: -85 dBu
Channel Gain Knob Down: -87 dBu
(1 kHz, 20 Hz–20 kHz, line in, 1/4" main out, unity gain)

Frequency Response

Mic In → Main Out (Unity Gain):
+0/-1 dB, 20 Hz–50 kHz
+0/-3 dB, <10 Hz → >100 kHz

Equivalent Input Noise

150 Ω Termination: -128.5 dBu
(20 Hz–20 kHz, mic in to insert send, max gain)

Common Mode Rejection Ratio

Better than -70 dB @ 1 kHz

Maximum Level

Mic In: +22 dBu
Tape In: +16 dBu
All Other Inputs: +22 dBu
Main Mix XLR Out: +28 dBu
All Other Outputs: +22 dBu

Impedance

Mic In: 2.5 kΩ
Channel Insert Return: 2.5 kΩ
All Other Inputs: ≥10 kΩ
Tape Out: 1.1 kΩ
All Other Outputs: 120 Ω

Equalizer

High Shelving: ±15 dB @ 12 kHz
Mid Peaking: ±15 dB @ 2.5 kHz
Low Shelving: ±15 dB @ 80 kHz

Power Consumption

25 W, 100–120 VAC, 50–60 Hz

Operating Temperature

32–104°F (0–40°C)

Fuse Rating

100–120 V: 500 mA slo-blo (5×20 mm)
220–240 V: 250 mA slo-blo (5×20 mm)

Dimensions

10.7 × 11.9 × 3.0 in
(273.0 × 303.0 × 75.0 mm)

Weight

6.5 lb (3.0 kg)

Package Weight

10.6 lb

Box Dimensions (L×W×H)

14 × 13.4 × 6.1 in