Apogee PSX-100 Specifications

High resolution. Apogee quality. High resolution. Apogee quality.
Multiple Interfaces,
two seconds or infinite hold; and how overs are defined (1-4 suc-
UV22HR & Soft Limit
cessive full-scale digital values). Bit-split signals may optionally
The PSX-100 includes built-in interfaces for ADAT, TDIF, S/PDIF be received on the AES/EBU inputs (for Sony PCM-800 users and
coax and optical plus multiple AES/EBU. others who wish to use bit-splitting on an AES/EBU device). Word
Other features include Apogee's newly- clock output has two modes: it can follow the sample rate, or it
enhanced UV22HR word-length reduction sys- can be set to generate 44.1/48 kHz even when the sample rate is
tem (which can be applied to either the A/D set to 88.2/96kHz.
or the D/A) and Soft Limit for maximum Three Operating Modes
A/D level without overs.
An auxiliary AES output allows a full- A central design feature of the PSX-100 is the inclusion of com-
resolution output to be supplied, even pletely independent A/D and D/A sections. Three distinct oper-
when UV22HR is in use on the main outputs. The ating modes allow them to be used separately and in combina-
wide range of standard interfaces provided, including multiple tion in several ways (see the block diagram opposite) . The A/D
AES I/O ports, allows the unit to be used for signal distribution and D/A sections of the PSX-100 may be clocked separately and
and format conversion as well as for A/D and D/A applications. can be configured to work together in different ways. The digi-
The inclusion of 88.2 and 96kHz sample rates makes the PSX-100 tal inputs and the A/D output are fed into a routing section
ideal for such applications as mastering high-resolution CDs uti- which sends signals to the D/A and Aux output and/or to the
lizing 88.2kHz sampling, or for DVD-Audio masters sampled at main digital outputs, according to which of the three basic oper-
96kHz with 24-bit resolution. Meanwhile, the inclusion of UV22 ating modes is selected.
to reduce the word length from 24 to 20 or 16 bits makes the unit The default is
equally suitable for traditional 16-bit CD mastering or for DVD- and D/A are independently clocked (and can even run at differ-
Video soundtracks requiring 20-bit signals sampled at 48 kHz. ent 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
High Resolution on your MDM
available digital inputs. The bargraph metering can be switched
Built-in Apogee Bit-Splitting (ABS) modes allow between A/D and D/A. In this mode, there are two separate sig-
the two-channel 24-bit signal from the PSX-100 nal paths through the unit, while the other modes utilize a single
to be recorded and replayed using pairs of path.
tracks of a 16-bit 44.1/48kHz sampling recorder, via ADAT, TDIF or Digital Copy mode takes the selected digital input and pro-
AES/EBU. With Apogee's new ABS-96 mode, you can even record vides it to all the PSX-100's outputs, digital and analog. Both
stereo at 96kHz sampling on your existing 16-bit 8-track! An clocks in this mode are synchronized to the digital input. This
optional video sync card allows the PSX to lock to NTSC/PAL mode is ideal for format conversion, and simply copying digital
color and monochrome video. media without having to re-patch your system.
In Analog Monitor
Instant Access
puts and to the D/A, which therefore monitors signals passing
The PSX-100 matches Apogee's popular 8-channel AD-8000 in through the A/D. The main clock is used as the reference (locked
appearance, with a distinctive purple front panel inlaid into a to crystal or an external source), while the auxiliary clock is
solid aluminum extrusion, and large silver buttons allowing slaved to it.
instant access to the unit's extensive feature set. High sample rates,
The two light-bar meters can be set to read either the A/D or
high resolution, high quality
D/A when the two units are passing different signals, and other
functions are indicated by an array of LEDs. As a result, there is To summarize, the PSX-100 is Apogee's first high
no need for a power-on indicator. density, high resolution converter, offering 24-bit
A multi-voltage linear power supply is incorporated, including A/D and D/A conversion at 88.2 and 96 kHz in
a true toroidal transformer with comprehensive regulation and addition to conventional sample rates. This makes
smoothing circuitry to minimize voltage spikes, transients and the system ideal for stereo DVD and DVD-Audio mastering and as
noise that can adversely affect converter performance. A gener- a front-end to high-resolution, high sample-rate editing systems,
ous exposed heat-sink keeps temperatures well under control. digital audio workstations and master recorders.
Virtually the entire rear panel of the PSX-100 is occupied by Exclusive self-balancing analog I/O; two
interface connectors including two 2-channel AES inputs and patented Apogee Low-Jitter Clocks; and
outputs. Both connectors are used for 96kHz operation; at exceptional attention to detail in both the
44.1/48 kHz, they operate independently. A ten-way DIP switch analog and digital aspects of the PSX-100 combine to make it
allows the setting of system-wide defaults which are intended to capable of the finest audio performance available today. Once
be set once and then left alone. Capabilities include pro and again, Apogee represents the heart of digital audio – and the
consumer analog I/O levels; pin 2/3 hot; setting the OVER LEDs to heart of your system.
ANALOG AND A/D CONVERTER
Parameter
Resolution
Sample Rate 44.1–48, 88.2–96 kHz
Input Impedance
Pro
Consumer
Relative THD+N
–0.1 dBFS
–20 dBFS
–60 dBFS
Dynamic range
–60 dB, Unweighted
–60 dB, A-weighted
Peak Spurious Component
Group Delay (in passband)
Passband Ripple
Digital Filter Stopband
Stop-band Attenuation
Confidence Monitor mode, in which the A/D
Channel Separation
Left/right
Frequency Response (10 Hz–20 kHz)
Gain
Phase
Common-Mode Rejection Ratio
60 Hz
1 kHz
Input Level, maximum (no gain)
Professional, balanced
Professional, unbalanced
Consumer, balanced
Consumer, unbalanced
Input Level, adjustment range
Crystal Oscillator accuracy
mode, the A/D is fed to all the system out-
Clock Jitter, 32kHz–106 kHz
For full details and application notes on all Apogee Electronics products, visit our Web site at http://www.apogeedigital.com/
The Apogee PSX-100 — Specifications
D/A CONVERTER
Value Units Parameter Value
24 bits Resolution 24
±10% Conversion system Delta-Sigma
Sample Rates 32–106
Ω
9K Relative THD+N, S/(N+D)
Ω
15K –0.5 dBFS input –100
Dynamic range
–110 dB (unweighted) –60 dB, Unweighted 112
–112 dB (A-weighted) Channel Separation >120
–91 dB (unweighted) Frequency Response (10Hz–20 kHz)
–93 dB (A-weighted) Gain ±0.15
–56 dB (unweighted) Phase << 1.0
–58 dB (A-weighted) Maximum Output Level 28
116 dB DIGITAL SIGNAL PROCESSING
119 dB UV22HR Amplitude
–126 dB (max) 16 bits –84
34/Fs seconds 20 bits –108
±0.001 dB Metering
0.5542Fs kHz Accuracy (CAL mode) ± 0.1
117 dB Over Detection 1–4 consecutive 0 dBFS readings
120 dB (worst case)
SYSTEM
±0.025 dB AC line voltage 100, 120, 220, 240 vac (set internally)
< 0.01 degrees Fusing 5 x 20 mm, 800mA (100–110v); 400 mA (220–240v) slow-blow
Power 25
>> 100 dB Size (w, h, d) 19 in, 1.75 in (1U), 14.25 in
>> 80 dB Weight 12.5 lb (5.8 kg)
27 dBu The Specifications above, and other information provided in this
23 dBu brochure, are subject to change without notice. Apogee Electronics
16 dBu Corporation reserves the right to make design changes without prior
15 dBu warning. Apogee, UV22, Soft Limit, AMBus, Clocked by Apogee,
20 dBu Apogee Bit-Splitting and the "96k" device are trademarks or regis-
±50 ppm tered trademarks of Apogee Electronics Corporation. Other trade-
<< 22 psec marks are the property of their respective owners.
The heart of digital audio.
A POGEE E LECTRONICS C ORPORATION , 3145 Donald Douglas Loop South, Santa Monica, California 90405-3210, USA.
Telephone: +1 310/915-1000. Fax: +1 310/391-6262. Email: info@apogeedigital.com
Units
bits
kHz
dB
dB
dB
dB
degrees
dBu
dB
dB
dB
(user-definable)
Watts
Photography by David Norwood
Created by Richard Elen
Printed in U.S.A.
PSX100v2/5M/1198