Specifications

APOGEE DIGITAL
PSX-100
2-Channel 24-bit/96kHz A-D/D-A Conversion System
Apogee’s first
96kHz system,
the PSX-100
offers many of
the features of
the Trak2 but
without mic pre-
amps and strict-
ly 2-channels. The PSX-100 is equipped with built-in ADAT, TDIF, S/PDIF coax and optical, plus multiple AES/EBU inter-
faces. It features Apogee's proprietary UV22HR word-length reduction system (which can be applied to either the A/D or the
D/A) and SoftLimit for maximum level without overs. An auxiliary output allows a full-resolution output to be derived
even when UV22 is in use on the main interfaces. The wide range of standard interfaces provided and the multiple AES I/O
ports allow use for signal distribution and format conversion as well as for A/D and D/A applications.
Three Operating Modes:
◆ The PSX-100 has separate A/D and D/A
sections which may be clocked separately
and configured to work together in differ-
ent ways.The digital inputs and the A/D
output are fed into a routing section
which sends signals to the D/A and Aux
output or to the main digital outputs,
depending on which modes is selected.
—In Confidence Monitor mode the A/D and
D/A are independently clocked (and can
even run at different sample rates).The
output of the A/D is available at all the
digital outputs, and the D/A can receive its
signal from any of the available digital
inputs. The bargraph metering can be
switched between A/D and D/A.Two sepa-
rate signal paths through the unit in this
mode, other modes utilize a single path.
—Digital Copy mode takes the selected digi-
tal input and provides it to all the PSX-
100's outputs, digital and analog. Both
clocks in this mode are synchronized to
the digital input. This mode is ideal for
format conversion as well as offering the
maximum D/A flexibility.
—In Analog Monitor mode, the A/D is fed to
all the system outputs and to the D/A.The
main clock is used as the reference (locked
to crystal or an external digital source),
while the auxiliary clock is slaved to it.
◆ Tw o channels of Apogee’s true 24-bit A/D
and D/A conversion with 117 dB dynamic
range. Level trim of A/D and D/A levels via
easy screwdriver adjustment for instant cali-
bration and gain structure alignment.
◆ Apogee quality at 44.1, 48, 88.2 and 96 kHz
◆ Built in interfaces include AES/EBU,ADAT,
TDIF and S/PDIF (coax and optical)
◆ Balanced or unbalanced analog I/O
◆ Exclusive active self-balancing analog I/O
◆ Gold-plated XLR jacks for analog and
AES/EBU I/O, RCA jacks for S/PDIF I/O
◆ AES/EBU distribution amplifier capability
◆ Monitor the A/D output or select S/PDIF
coax or optical; ADAT; TDIF or either of
two AES/EBU inputs (one AES input at
88.2/96kHz sampling). Synchronize the D/A
to digital in or to the A/D sync source.
◆ Apogee Soft Limit helps you record at a
higher level without overs
◆ Easy-to-read light-bar metering, includes
“over” indication with 2-second/infinite
hold. User-defined “over”setting (1-4 con-
secutive digital full-scale readings).Meter
the A/D or D/A in “confidence mode”.
Calibrate with ±0.1 dB setup accuracy.
◆ Individual L-R channel muting at the touch
of a button, instantly controlling the signal
from the main digital outputs.
◆ Tw o proprietary Apogee low-jitter master
clocks
◆ Optional video sync card allows the PCX-
100 to lock to NTSC/PAL video
◆ Apogee Bit-Splitting (ABS) modes allow the
two-channel 24-bit signal to be recorded
using pairs of tracks of a 16-bit 44.1/48kHz
sampling recorder, via ADAT, TDIF or
AES/EBU. In ABS-96 mode, you can record
stereo at 96kHz sampling on a 16-bit 8-track.
◆ UV22HR encoding process translates 24-bit
signals to 20 or 16-bits with no quality loss
(Not on 88.2 & 96kHz sample rates).
◆ Wo rd Clock I/O on BNC connectors. The
WC input socket can act as a video input
when the video option card is installed.
◆ A 10-way DIP switch allows ‘set-once’
parameters for analog input/output level;
pin 2/3 hot; 2-second or infinite ‘over’ indi-
cation;‘over’definition;ABS enable on AES
input and special sync parameters.
◆ MDM input selection lets you select the
pair of tracks you want to listen to (or the
set of tracks for replaying a bit-split source).
◆ Special Edition (PSX-100SE) available with
upgraded op-amps, along with additional
level of power supply filtering. The D/A sec-
tion includes a new third-order Bessel filter,
the A/D includes a specially-designed anti-
alias filter that smooths top end response.
COMPUTER HARDWARE
806
FEATURES
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