American Audio PSX - REV 1-2 Bedienungsanleitung PDF herunterladen (Seite 11)

Introduction

Overview

The PSX-100 is essentially two independent converters in one unit: a stereo 24-bit/96K analog to digital con-

verter and a stereo 24-bit/96K digital to analog converter housed in a 1U rack unit. It is also a bit-splitting

device, a format converter, and has a rich set of features as described below:

Features

• A/D and D/A can be operated and clocked independently or cross-connected in several ways

• Dual Apogee Low Jitter Clocks (LJC) insure high-quality audio in any configuration

• UV22HR – the mastering standard for word-length reduction – allows 16 and 20-bit outputs without signif-

icant loss of detail

• Soft Limit provides maximum digital level to your recording system without overs

• High-density 24-bit 88.2 and 96 kHz sampling as well as conventional 44.1 and 48 kHz rates

• Metering of either A/D output or D/A input

• AES/EBU, S/PDIF, ADAT and TDIF I/O

• Optional video card allows sync to PAL, NTSC, or Black & White video signals

•‘Digital Copy Mode’ allows format conversion between AES/EBU, S/PDIF, ADAT, and TDIF

•‘Analog Monitor Mode’ monitors A/D output through the D/A converter

• ABS-96 operation allows recording of 24-bit/96kHz audio on 16-bit ADAT or TDIF machines

• ABS (Apogee Bit-Splitting) allows recording and playback of 24-bit audio on 16-bit machines – available on

ADAT, TDIF and AES I/O.

Getting Started

The unit is shipped configured as independent A/D and D/A converters. We call this “Confidence Monitor

mode”.

Basic A/D conversion is simple:

1. Connect your analog audio cables to the L/R ‘A/D inputs’.

2. Connect one of the digital outputs to the destination digital device (such as your DAT, ADAT, etc.).

3. Power the unit on. All front-panel LEDs will illuminate except every other meter segment for about 3 sec-

onds, and some LEDs may briefly flash at power up, as the unit configures itself and runs diagnostics. This

is normal. Hold down the OUTPUT RES button during the power-up sequence to restore factory defaults

(except DIP switches). Otherwise the previous settings will be recalled.

4. You can choose to calibrate the unit to a desired operating level (see section titled “Calibrating the PSX”).

The unit is calibrated from the factory so that +4dBu = –16dBFS and vice-versa for the D/A.

5. Play the analog sound source and check for metering at the destination device.

Basic D/A conversion is as follows:

1. Connect the digital output of your digital device to the appropriate digital input of the PSX-100.

2. On the front panel, select the appropriate digital input setting.

3. With your monitor volume turned down, connect the ‘D/A outputs’ of the PSX-100 to your analog mixer or

preamplifier.

4. Check for level from your speakers.

That’s it! You’re ready to begin recording.

For a more in-depth understanding of the PSX-100, we recommend that you examine the signal flow dia-

gram below. You’re likely to understand more about the PSX-100’s three basic operational modes by carefully

studying the signal flow diagrams than by reading anything else in this manual.

PSX-100 User’s Manual

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