Mackie onyx 4-Bus Owner's Manual page 22

Premium live analog mixers w/perkins eq and onyx mic preamps

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Specifications (8 pages)

Owner's manual (36 pages)

Mode d'emploi (36 pages)

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75. INSERT

These 1/4" TRS jacks provide a send and return point

for each channel. Use the INSERT jacks to connect

serial effects devices such as compressors, equalizers,

de-essers, or ﬁlters to each individual channel.

The INSERT points are after the GAIN and Low Cut

controls, but before the EQ and Fader controls. The

send (tip) is low-impedance, capable of driving any

device. The return (ring) is high-impedance and can be

driven by almost any device.

Special insert cables are available, specially designed

for this kind of insert jack. They are wired as follows:

ring

(TRS plug)

tip

sleeve

this plug connects to one of the

mixer's Channel Insert jacks.

Tip = Send (output to effects device)

Ring = Return ( input from effects device)

Sleeve = Common ground (connect shield to all

three sleeves)

Besides being used for inserting external devices,

these jacks can also be used as channel direct outputs;

post-GAIN, post-LOW CUT, and pre-EQ. This is an unbal-

anced direct out, in contrast to the DIRECT OUTS on

the rear panel, which are balanced direct outputs, post-

GAIN, post-INSERT, and pre-EQ.

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ONYX 4•Bus

SEND to processor

RETURN from processor

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Here are three ways you use the INSERT jacks:

Direct out with no signal interruption to master.

Direct out with signal interruption to master.

Insert all the way in to the second "click."

"from tip"

"to ring"

(TIP= SEND to effect, RING = RETURN from effect)

76. DIRECT OUTS

Each of these DB-25 connectors provides balanced

direct outputs for eight channels. They are designed to

be connected directly to a recorder's analog inputs, and

use the TASCAM standard pinout for analog signal con-

nections (the same standard used on the analog cards

for the Mackie D8B, DXB, and Hard Disk Recorder).

The signal at the DIRECT OUTS comes after the input

GAIN control, Low-Cut switch, and INSERT jack, but

before the EQ. This way you can EQ a channel and ad-

just the channel fader to suit your live mix, but it has no

effect on the signal going to the recorder. This provides

maximum ﬂexibility for the mixdown stage.

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MONO PLUG

Channel Insert jack

Insert only to first "click."

MONO PLUG

Channel Insert jack

STEREO

PLUG

Channel Insert jack

For use as an effects loop.

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