Z Systems z-Qualizer Operation Manual

Manual is about: outboard digital EQ

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z-Qualizer manual

Z-Systems Audio Engineering

z-Qualizer Operations Manual

Welcome!

Congratulations on purchasing the z-Qualizer, the first low-cost outboard digital EQ

capable of world-class mastering performance. The z-Qualizer comes from a distin-

guished lineage of mastering processors that Z-Systems has been making for nearly

a decade. You’ve already heard our EQ algorithms on countless recordings and now

you have the chance to hear what they can do for your very own projects.

We urge you to read the following manual before using the z-Qualizer. We’re confi-

dent that anyone can learn to use it on their own, but it might be helpful to read the

manual and learn some of the finer points before diving in.

S - 02. 4 2k50 0. 8

gain

z-Qualizer

signal

gain

freq

byp

load

save

m-s & dither

MIDI

SYS

MIDI in

MIDI through

9V DC

@500 mA

ATTENTION/AVIS:

Risque de choc electronique.

Ne pas ouvrir.

To minimize risk of fire, use only the

specified power adapter.

AES/ EBU

output

input

Designed and manufactured in

the US by Z-Systems Audio

Engineering.

Do not open. Risk of electrical

shock. No user-serviceable

parts inside.

Powering Up

Plug the DC power adapter that was included with the unit into an AC power outlet

and connect the other end of the DC power adapter to the DC power inlet on the back

of the unit. The z-Qualizer will power up quickly. Next, connect the z-Qualizer to an

AES/EBU standard digital audio source. The signal LED will light to indicate the pres-

ence of a valid incoming signal.

Gain and Channel Offsets

We should mention a general rule at this point. The z-Qualizer is a stereo unit and it

can be operated in either dual-mono or stereo-linked modes. Dual-mono means that

the EQ parameters can be adjusted independently for the left and right channels. In

stereo-linked mode, the left- and right-channel EQ parameters track one another. The

L and R positions on the left knob are used to select between the left- and right-

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Summary of z-Qualizer

Page 1
Z-qualizer manual z-systems audio engineering 1 z-qualizer operations manual welcome! Congratulations on purchasing the z-qualizer, the first low-cost outboard digital eq capable of world-class mastering performance. The z-qualizer comes from a distin- guished lineage of mastering processors that z-...
Page 2
Z-qualizer manual z-systems audio engineering 2 channel parameter banks, whereas the s position puts the unit into stereo-linked mode. The left-most edge of the alphanumeric display will always show whether the unit is in l, r, or s mode. When the unit powers up, the left knob will be set to s, for ...
Page 3
Z-qualizer manual z-systems audio engineering 3 l +00.0 1k00 here you can display and adjust the left channel shelf independently. Similarly, turn the left knob to the r position and adjust the right channel. If you then return to ste- reo-linked mode, the l and r filters retain their settings until...
Page 4
Z-qualizer manual z-systems audio engineering 4 24 un 24 di 20 un 20 di 16 un 16 di 16 p2 16 p3 the last two pow-r dither options are only available at 44.1 or 48 khz. The sample rate cannot be altered as the system is always slaved to the incoming rate. Using the dither and wordlength settings when...
Page 5
Z-qualizer manual z-systems audio engineering 5 and equalizer levels are set to 00.0 db. In the 24 un setting, with everything neutral- ized, the z-qualizer is bit-transparent, (i.E., it will pass all incoming aes/ebu signals without data alteration). In the 20 un (16 un) setting, the z-qualizer tru...
Page 6
Z-qualizer manual z-systems audio engineering 6 taking advantage of m/s the most common use of ms equalization is to deal with center channel information which needs separate eq than the sides. If you feed a stereo recording into the z- qualizer and set the mode to ms y, y, the left channel gain con...
Page 7
Z-qualizer manual z-systems audio engineering 7 then rotate the q knob (below the word load in the alphanumeric display). This loads memory #34 and places an arrow next to the preset number to let you know the memory has been loaded: a=34 load it’s that simple. If you change the preset number from t...
Page 8
Z-qualizer manual z-systems audio engineering 8 sysex read for a sysex restore of all 99 presets from a midi sequencer, turn the freq knob (be- low the word read in the alphanumeric display) in either direction to prepare the z- qualizer to receive sysex data. Start your sequencer playing the sysex ...
Page 9
Z-qualizer manual z-systems audio engineering 9  digital filter architecture: proprietary minimum roundoff-noise structure  dynamic range: better than 144 db  ergonomic stereo-linked and dual-mono operation  number of user-alterable presets: 99. Factory preset: one (preset #00)  thd+n: bet...