Mackie 1604-VLZ3 Appendix C: Technical Information, Speciﬁcations, Weight, Impedances, Fuse Ratings, 30 1604-VLZ3, Main Mix Noise, Maximum Levels, Power Consumption

-VLZ3

Appendix C: Technical Information

Speciﬁcations

1604

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

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

Total Harmonic Distortion (THD)		EQ
		High Shelving	±15 dB @ 12 kHz
(1 kHz 35 dB gain, 20 Hz–20 kHz bandwidth)
		Mid Peaking	±15 dB sweep 100 Hz–8 kHz
Mic in to insert send:	<0.0007%
		Low Shelving	±15 dB @ 80 Hz
Mic in to Main Out:	<0.005%
		Low Cut Filter	18 dB/octave, –3 dB @ 75 Hz

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 any output.)

20	Hz to 60 kHz:	+0 dB/–1 dB
20	Hz to 100 kHz:	+0 dB/–3 dB

Equivalent Input Noise (EIN)

(Mic in to Insert Send out, max gain.)

150 ohm termination:–129.5 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

Power Consumption

	120 VAC, 50/60 Hz, 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

17.5" x 17.3" x 5.1" (445 mm x 440 mm x 129 mm)

Weight

20.0 lb (9.1 kg)

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 hold- ers, 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.mackie.com.

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