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C
HAPTER
C
ONNECTIONS
A
NALOG
I
NPUT JACK CHARACTERISTICS
T
YPICAL INPUT JACK HOOKUPS
A
NALOG
The -10 dBV outputs use phono (sometimes called "RCA") jacks, and carry
signals at a nominal -10 dBV level (.316 volts). These should be connected to
ADAT XT20 Reference Manual
3
A
– U
UDIO
The XT20 includes eight unbalanced phono jack inputs. These are
compatible with low-impedance, unbalanced, -10 dBV outputs typical
of equipment such as mixers, synthesizers, samplers, direct boxes, etc.
The unbalanced input jack wiring convention is as follows:
Signal
Ground
Tip
Sleeve
The input jacks are typically hooked up in one of three ways:
•
To the console's direct tape outs (these patch a single channel
directly to tape, bypassing most mixer circuitry). This is preferred
when the signals going to tape require none of the mixer's features
(effects, grouping, routing, etc.).
•
To eight mixer bus outputs. You can use the mixer for grouping,
premixing, effects, etc. This puts more circuitry between the input
signals and XT20, although since most routing can be done at the mixer,
you'll seldom need to do any repatching.
•
To a combination of direct outputs and bus outputs. Some
situations require a combination of the two approaches. Example:
Consider a live gig you want to record with two vocal mics, four mics on
drums, two direct feeds from guitar and bass amps, and one direct feed
from keyboards. The vocals, bass, guitar, and keyboards could be taken
direct and go to five XT20 tracks. The four drum mics can be mixed to
stereo within your mixer sent to the submix outs, then go to two XT20
tracks. The remaining XT20 track could be used to record audience sounds
or capture one of the instruments in stereo, if applicable.
A
– U
UDIO
NBALANCED
Tip
Sleeve
NBALANCED
Connections: Chapter 3
I
NPUTS
O
UTPUTS
33
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