User Manual

VMQ-4 User Guide

Specifications

• Fully magnetically shielded.

• Signal present LED on each channel output.

• Mute button and LED for each channel.

• Headphone jack

Specifications

Table 1–1 VMQ-4 Specifications

Specification Value

Input impedance

>100 k  balanced

>50 k  unbalanced

Input level for full output

(volume full on)

0 dBv balanced.

-12dBv unbalanced

Other sensitivity ranges available on

request

Hum and noise Better than -70 dB below full output

Frequency response 300 Hz to 16 kHz (± 9dB)

Maximum acoustic

output

94 dB SPL at 2 feet

Electrical distortion

Less than 0.2% at any level below limiting

threshold

Magnetic shielding Less than 0.2 Gauss any adjacent surface

Connectors

Balanced: Phoenix (Standard) or XLR

(Optional)

Dimensions (HxWxD) 1.75 x 19 x 9.7 in. (44.5 x 483 x 246 mm.)

Weight 7 lbs. (3.2 kg)

Power Supply

Universal AC input (100-240V) UL/CSA

approved

Power consumption 20W / 35W (avg. / max)