MACKIE PORTABLE RECORDING PREAMP - Manual (Page 23)

Owner’s Manual
Owner’
s Manual
. Instrument Input
This is a 1/4" TS connector that accepts an unbalanced
instrument-level input signal from a high-impedance
instrument like a guitar.
4. INSERT Jacks
These 1/4" TRS jacks provide a send and return point
for channels 1-2. 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 controls, and
just before the analog-to-digital converters. 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.
Tip: Since the inserts are before the
A/D converters, it’s a good place to
strap a compressor on an unruly sing-
er to avoid overloading the A/D con-
verter without having to turn down
the GAIN control a whole bunch.
Special insert cables are available, specially designed
for this kind of insert jack. They are wired as follows:
“from tip”
this plug connects to one of the
mixer’s Channel Insert jacks.
“to ring”
tip
ring
sleeve
SEND to processor
RETURN from processor
(TRS plug)
Tip = Send (output to effects device)
Ring = Return ( input from effects device)
Sleeve = Common ground (connect shield to all
three sleeves)
Base Station Rear Panel
0. MIC Input
This is a female XLR connector, which accept bal-
anced microphone inputs from almost any type of
microphone. The microphone preamps feature our new
Onyx design, with higher fidelity and headroom rivaling
any standalone mic preamp on the market today.
The XLR inputs are wired as follows:
Pin 1 = Shield or ground
Pin 2 = Positive (+ or hot)
Pin 3 = Negative (– or cold)
1. LINE 1 Input
This is a 1/4" TRS connector, which accepts a balanced or
unbalanced line-level input signal from almost any source.
When connecting a balanced signal to the LINE
inputs, wire them as follows:
Tip = Positive (+ or hot)
Ring = Negative (– or cold)
Sleeve = Shield or ground
When connecting an unbalanced signal, wire them
as follows:
Tip = Positive (+ or hot)
Sleeve = Shield or ground
. LINE Input
This is a 1/4" TRS connector, which provides a second
line-level input for each channel. It works the same as
the LINE 1 input.
2 INPUT
(TIP=SEND
RING=RETURN)
1 LINE LINE
INSERT
ON
YX MIC PRE
4 3 2 1
6 5
B
OUTPUTS
(BAL/UNBAL)
LINE LINE
INSERT
ON
YX MIC PRE
CR OUT
A
2/R 1/L
2/R 1/L
1 INPUT
(TIP=SEND
RING=RETURN)
2