30
1604VLZ4
1604VLZ4
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:
–88.5 dBu
(92 dB Signal to Noise Ratio, ref +4 dBu)
Main Mix fader unity, channel faders @ unity: –82.5 dBu
Total Harmonic Distortion (THD)
(1 kHz 35 dB gain, 20 Hz–20 kHz bandwidth)
Mic in to insert send:
<0.0007%
Mic in to Main Out:
<0.005%
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:
–84 dBu
Channel Gain knob down:
–84 dBu
Frequency Response
Mic Input to Main Output (Gain @Unity)
+0, –1 dB, 20 Hz to 50 kHz
+0, –3 dB, <10 Hz to >100 kHz
Equivalent Input Noise (EIN)
(Mic in to Insert Send out, max gain.)
150 termination:
–128.5 dBu
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:
+28 dBu
All other outputs:
+22 dBu
Impedances
Mic in:
2.5 k
Channel Insert return:
2.5 k
All other inputs:
10 k or greater
Tape out:
1.1 k
All other outputs:
120
EQ
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
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
17.0" x 17.3" x 5.1" (433 mm x 440 mm x 129 mm)
Weight
20.0
lb
(9.1
kg)
Since we are always striving to improve our products by
incorporating new and improved materials, components, and
manufacturing methods, we reserve the right to change these
specifications at any time without notice.
The “Running Man” figure is a registered trademark of
LOUD Technologies Inc. All other brand names mentioned
are trademarks or registered trademarks of their respective
holders, and are hereby acknowledged.
The technical writer responsible for this manual tends to fade
in and out of various different realities, depending on how
many cups of tea he has had. Please check our website for any
updates to this manual: www.720trees.com.
©2013 LOUD Technologies Inc. All Rights Reserved.
