RME Audio ADI-8 QS Manuel d'utilisateur télécharger pdf (Page 1)

Connectivity

8 x Analog I/O (balanced TRS and 25-pin D-sub, up to +24 dBu)

4 x AES/EBU I/O (25-pin D-sub) 8 ch. @ 192 kHz

2 x ADAT Out (TOSLINK) 8 ch. @ 96 kHz (S/MUX), 4 ch. @ 192 kHz (S/MUX4)

optional: 1 x MADI I/O coaxial and optical with I64 MADI Card (ADI-8 QSM)

MIDI I/O (5-pin DIN)

Word Clock I/O (BNC)

external Remote Controller (Volume, Dim, Preset)

ADI-8 QS

8-Channel 192 kHz AES/EBU . ADAT . MADI AD/DA converter

Analog Converters

Technologies

MIDI Remote

MIDI over MADI

Intelligent Clock Control

ADAT S/MUX and S/MUX4

FlexGain

I64 Option Slot

SteadyClock

SyncCheck®

SyncAlign®

TotalRemote

incl. Remote Controller

Cascadable

11ADI-8 QS

Please continue on next page ...

PREMIUM LINE

he ADI-8 QS is a highly ﬂexible 8-channel AD/DA converter and digital to digital format converter

with an unrivalled bunch of features. The device combines excellent analog circuit design with

outstanding low latency AD/DA converter chips. Along with SteadyClock, the QS oﬀers AD and DA

conversion of the highest quality, redeﬁning the reference class of analog/digital converters.

The compact 1U device provides a host of extraordinary features, including analog and digital limiter, 4

hardware reference levels up to +24 dBu, AES/EBU and ADAT I/O, optional MADI I/O, remote control via MIDI,

digital input trimming for full input calibration, volume control for all 8 analog outputs, either separately,

globally or ganged, and much more.

The ADI-8 QS uses a completely symmetrical signal path (including limiter) that guarantees an exceptional

sound quality, outstanding low distortion and highest Signal to Noise ratio in all level settings. One of the main

issues when working with an AD converter is to maintain the full dynamic range within the best operating level.

Therefore the ADI-8 QS internally uses hi-quality electronic switches, which introduce no additional noise or

distortion to the audio path. The latest generation AD/DA converters provide samplerates up to 192 kHz with a

SNR of 120 dBA. On the digital side, SteadyClock

, RME’s unique clock technology and jitter suppression,

further enhances the list of features, ensuring the best sound quality regardless of the quality of the reference

clock signal. Of course other typical RME features such as Intelligent Clock Control (ICC), SyncCheck® and

SyncAlign® have also been implemented.

The ADI-8 QS oﬀers an unsurpassed choice of interface options:

2 ADAT I/Os support up to 8 channels at 96 kHz (S/MUX) and 4 channels at 192 kHz (S/MUX4). A 25-pin AES/EBU

interface features 8 channels at 192 kHz. All outputs can be used simultaneously, i. e.: analog (balanced TRS

and/or D-sub), ADAT, AES/EBU. RME’s I64 option provides the QS with a 64-channel MADI input and output.

Coaxial and optical output operate in parallel to the AES/EBU and ADAT output, therefore deliver the same

data. Up to 8 ADI-8 QS or other RME MADI devices can thus be combined into one single MADI stream.

Low Latency. The biggest diﬀerence to other ADCs is the innovative digital ﬁlter, achieving for the ﬁrst time a

delay of only 12 samples in Single Speed (0.25 ms), 9 samples in Double Speed (0.09 ms), and 5 (!) samples in

Quad Speed (0.026 ms). These values are less than a quarter of those available from even much more expensive

devices. They represent an important step in further reducing the latency in the computer-based recording

studio. At DS and QS the added latency can simply be ignored. The DA-converter oﬀers similar conversion in

the range of 5 to 10 samples, turning analog digital monitoring into real analog-style monitoring.

Features

▪ 8-channel AD converter, full symmetrical design, 117 dBA SNR

▪ 8-channel DA converter, DC-coupled signal path, double

balanced output, 120 dBA SNR

▪ Low latency conversion: only 8 samples delay!

▪ 2 ADAT optical inputs, 24 bit, with RME’s unsurpassed Bitclock

PLL, up to 192 kHz

▪ 2 ADAT optical outputs, 24 bit, fully compatible, up to 192 kHz

▪ 8 AES/EBU I/Os, full channel count up to 192 kHz, 24 bit,

connected via D-sub

▪ Digital input/output trim, range 6 dB per I/O

▪ Analog and digital limiter for AD conversion

▪ 16 LED level meters with 7 LEDs each

▪ SteadyClock

- prestine sound quality independently from the

quality of the external clock signal

▪ SyncCheck® - unique technology to check clock synchronization

▪ Noise suppression on power-on and power-oﬀ at the analog

outputs

▪ integrated Dim function (-20 dB)

▪ Hardware remote control for store/recall of presets, volume and

dim

▪ All settings are stored permanently

▪ Fully remote controllable via MIDI and MIDI over MADI

▪ I64 Option Slot for optional I64 MADI module

Limiter. The integrated limiter is available as analog, digital

or combined, avoiding not only extreme overload eﬀects, but

also prevents the AD converters from being damaged.

Analog Outputs. The ADI-8 QS’ has separated driver stages for

the TRS and D-sub outputs. The servo-balanced TRS jacks will

work up to +21 dBu. When selecting +24 dBu the balanced

D-sub connector outputs will provide the higher output level

while TRS stays at the +19 dBu setting.

Remote Control. All functions of the QS can be controlled via

MIDI, or MIDI over MADI. This way, the device can be placed

anywhere on stage or in the studio – with full control from the

control room or FOH mixer.

MADI. The I64 MADI Card provides the ADI-8 QSM with a 64-

channel MADI input and output. The optional card features

an optical and a coaxial MADI input. The input is switched

automatically, according to where a valid input signal is

detected. Full redundancy is ensured by the automatic input

switching, immediately changing to the other input in case of

loss of the input signal.

The MADI I/O provides serial pass-through capability from

one ADI-8 QSM to the next (up to 8). Since each QSM uses

only 8 channels, up to 56 channels can be passed through.

The device ID determines which MADI channels the ADI-8 QS

will use. All 64 combined channels are available at the last

device’s output.

Cascading is of possible between several ADI-8 QSM and

other RME MADI devices, like Micstasy or DMC-842.

RME’s high-end

reference converter.

Highest performance

in every detail.

1 2

ADI-8 QS 1
ADI-192 DD 2

Résumé du contenu

Page 1 - ADI-8 QS

Connectivity8 x Analog I/O (balanced TRS and 25-pin D-sub, up to +24 dBu)4 x AES/EBU I/O (25-pin D-sub) 8 ch. @ 192 kHz2 x ADAT Out (TOSLINK) 8 ch. @

Page 2 - ADI-192 DD

Output StateMultifunctional 8-level LED display, showing the digital input level per channel (with peak hold) or the output channel setup parameters.8

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