Mackie 1642-VLZ3 Manual De Usuario

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8
164-VLZ3
164
2-
VLZ3
Appendix C: Technical Information
Specifications
Main Mix Noise
(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: 
–86.5 dBu
(90 dB Signal to Noise Ratio, ref +4 dBu)
Main Mix fader unity, channel faders @ unity:  –86 dBu
Total Harmonic Distortion (THD)
(1 kHz 35 dB gain, 20 Hz–20 kHz bandwidth)
Mic in to insert out:  
 
 
<0.0007%
Attenuation (Crosstalk)
(1 kHz relative to 0 dBu, 20 Hz–20 kHz bandwidth,  
Line in, 1⁄4" Main Out, Gain @ unity.)
Channel Mute switch engaged:  
 
–82 dBu
Channel Gain knob down:    
 
–82 dBu
Frequency Response
(Mic input to any output.)
20 Hz to 40 kHz:    
 
 
+0 dB/–1 dB 
20 Hz to 60 kHz:    
 
 
+0 dB/–3 dB
Equivalent Input Noise (EIN)
(Mic in to Insert Send out, max gain.)
150 ohm termination:  
             –129.5 dBu 20 Hz–20 kHz
Common Mode Rejection Ratio (CMRR)
(Mic in to Insert Send out, max gain.)
1 kHz:    
 
 
better than –70 dB
Maximum Levels
Mic in:    
 
 
+22 dBu
All other inputs:    
 
+22 dBu
Main Mix TRS out and XLR out:  
+28 dBu
All other outputs:    
 
+22 dBu
Impedances
Mic in:    
 
 
2.5 kilohms
Channel Insert return:  
 
2.5 kilohms
All other inputs:    
 
10 kilohms or greater
Tape out:  
 
 
1.1 kilohms
All other outputs:    
 
120 ohms
3 Band EQ (channels 1 – 8)
High Shelving  
 
 
±15 db @ 12 kHz 
Mid Peaking 
 
±15 dB sweep 100 Hz–8 kHz
Low Shelving  
 
 
±15 db @ 80 Hz
Low Cut Filter 
 
18 dB/octave, –3 dB @ 75 Hz
4 Band EQ (channels 9 – 16)
High Shelving  
 
 
±15 dB @ 12 kHz 
Hi Mid Peaking 
 
±15 dB @ 2.5 kHz
Low Mid Peaking   
±15 dB @ 400 Hz
Low Shelving  
 
 
±15 dB @ 80 Hz
Low Cut Filter (Ch.9–12) 
18 dB/octave, –3 dB @ 75 Hz
Power Consumption
 
 
 
 
50 watts
Fuse Ratings
100–120 VAC 
 
 
1A Slo Blo, 5 x 20 mm
220–240 VAC 
 
 
0.5A Slo Blo, 5 x 20 mm
Dimensions (H x W x D) in Normal Pod Position 
 
 16.7" x 16.6" x 5.2" (425 mm x 421 mm x 131 mm)
Weight 
 
 
 
 
18.2 lb (8.3 kg)
LOUD Technologies Inc. is always striving to improve our prod-
ucts 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 hold-
ers, and are hereby acknowledged.
Please check our website for any updates to this manual: www.
mackie.com.
©2007-2009 LOUD Technologies Inc. All Rights Reserved.
19.1 in/ 485 mm
5.2 in
131 mm
16.6 in
421 mm
5.2 in
131 mm
16.7 in
425 mm
(optional Rack Mount Kit)