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Owner's Manual 31
Specifications
Noise Characteristics:
(Mic in to Insert Send out, max gain.)
150 ohm termination: –129.0 dBu
(20 Hz–20 kHz bandwidth, 1/4" Main out, channel gains @
unity gain, channel EQs flat, all channels assigned to Main Mix,
odd channels panned left, even channels panned right.)
Main Mix fader unity, channel faders down:
2404: –87.0 dBu (–91.0 dB Signal to Noise Ratio, ref +4 dBu)
3204: –84.5 dBu (–88.5 dB Signal to Noise Ratio, ref +4 dBu)
Main Mix fader unity, channel faders @ unity:
2404: –81.5 dBu
3204: –80.0 dBu
Frequency Response:
(Mic input to any output.)
20 Hz to 50 kHz: +0 dB / –1 dB
20 Hz to 100 kHz: +0 dB / –3 dB
Distortion (THD+N):
(1 kHz 15 dB gain, 20 Hz–20 kHz bandwidth)
Mic in to insert send: <0.001%
Mic in to Main Out: <0.005%
Attenuation and Crosstalk:
(1 kHz relative to +10 dBu, 20 Hz–20 kHz bandwidth,
Mic in, 1⁄4" Main Out, Gain @ unity.)
Channel Mute switch engaged: –90 dBu
Channel Fader down: –88 dBu
Common Mode Rejection Ratio (CMRR):
(Mic in to Insert Send out, max gain.)
1 kHz: better than –70 dB
Maximum Input and Output Levels:
Mic in: +21 dBu
All other inputs: +21 dBu
Main Mix XLR out: +27 dBu
All other outputs: +21 dBu
3-Band Equalization (mono channels)
Low: ±15 dB @ 80 Hz
Mid: ±15 dB sweep
100 Hz–8 kHz
High: ±15 dB @ 12 kHz
Low Cut Filter: 18 dB/octave,
–3 dB @ 100 Hz
4-Band Equalization (stereo channels)
Low: ±15 dB @ 80 Hz
Low-Mid: ±15 dB @ 400 Hz
High-Mid: ±15 dB @ 2.5 kHz
High: ±15 dB @ 12 kHz
USB
Format: USB 1.1
I/O: Stereo Input, 4 Channel
Output
A/D/A: 24 bit, 44.1 kHz / 48 kHz
Input and Output Impedance:
Mic in: 2.7 kΩ
Channel Insert return: 2.5 kΩ
All other inputs: 10 kΩ or greater
Tape out: <10 Ω
All other outputs: 120 Ω
AC Power Requirements:
Power Consumption: 55 watts (2404-VLZ3)
65 watts (3204-VLZ3)
Universal AC Power Supply: 100 VAC – 240 VAC,
50-60 Hz
Physical Dimensions and Weight
Front Height: 1.8 in / 46.3 mm (both)
Rear Height: 6.0 in / 153 mm (both)
Depth: 19.1 in / 486 mm (both)
Width: 29.4 in / 748 mm (2404-VLZ3)
38.0 in / 964 mm (3204-VLZ3)
Weight: 31 lb. / 14.1 kg (2404-VLZ3)
39 lb. / 17.7 kg (3204-VLZ3)
LOUD Technologies Inc. is always striving to improve our products
by incorporating new and improved materials, components, and
manufacturing methods. Therefore, we reserve the right to change
these specifications at any time without notice.
“Mackie,” and the “Running Man” are registered trademarks of LOUD
Technologies Inc. All other brand names mentioned are trademarks
or registered trademarks of their respective holders, and are hereby
acknowledged.
Please check our website for any updates to this manual:
www.mackie.com.
©2010 LOUD Technologies Inc. All Rights Reserved.
Appendix C: Technical Information