Steinberg Nuendo DD8

416 988 тг. 291 892 тг.

Артикул: 6767
Ограниченное количество
Внешний модуль преобразователя цифровых форматов, 4 AESBU входа\выхода, 2 ADAT optical входа\выхода, TDIF вход\выход, WoldClock вход\выход, 24 бит 96 кГц. (Полный аналог RME ADI-8 DD) Прекрасное немецкое качество.

The ADI-8 DD commands any other format or sample rate converter in the price-range up to $5,000 to their places, with a single strike on the timps. Such a statement demands its proof - here we go!

The ADI-8 DD consists of two (!) digital format converters with each up to 16 channels. It offers 34 different conversion modes, all with 24 bit resolution. Besides the bi-directional conversion between all formats (ADAT/TDIF, ADAT/AES or TDIF/AES), numerous additional modes are available. A simplified list looks like this:


  • 8-channel AES (4 x stereo, XLR) to ADAT optical || TDIF converter (96 kHz)
  • 8-channel AES to 2 x ADAT || 2 x TDIF splitter (48 kHz)
  • 2-channel AES to 8 channel TDIF || ADAT splitter (96 kHz)
  • 8-channel ADAT / TDIF to 2 x ADAT || 2 x TDIF splitter (48 kHz)
  • 16-channel ADAT / TDIF to ADAT || TDIF converter (48 kHz)
  • 8-channel ADAT / TDIF to ADAT || TDIF converter (96 kHz)


  • 8-channel TDIF / ADAT to ADAT || AES (4 x stereo, XLR) converter (96 kHz)
  • 16-channel TDIF / ADAT to ADAT (|| AES) converter (48 kHz)
  • 8-channel AES to AES Sample Rate Converter (96 kHz)
  • 2-channel AES to 8-channel AES splitter (96 kHz)
  • 4-channel AES Double Wire to AES Single Wire converter (96 kHz)
  • 4-channel AES Single Wire to AES Double Wire converter (96 kHz)
  • 8-channel ADAT / TDIF to ADAT || TDIF Sample Rate Converter (96 kHz)
* ADAT || TDIF means that the output signal is present in parallel, i.e. at the same time on the ADAT and TDIF outputs. ADAT / TDIF means that the input can be either ADAT or TDIF.

Complicated? Not at all. The ADI-8 DD is both easy to understand and easy to operate. More on the plain and simple basic structure of the DD can be found here.

Because the ADI-8 DD is a dual converter, there are two modes available at the same time from the modes mentioned above - with few exceptions. Professionals are really thrilled by these features: the ADI-8 DD understands Sample Split, S/MUX, Double Wire and Double Line. It is thus compatible to all known methods for raising the sample rate by sample distribution, on all supported platforms. Also multiple units can be stacked and operated sample-aligned, using word clock.

Both converters work both completely independent and intelligently coupled. The actual states of incoming and outgoing signals and ongoing operations within the unit are displayed with LEDs of different colors in an easily overseeable way. The 8-channel Sample Rate Converter in Hi-End 24 bit/96 kHz quality is only available in the left or right part of the device. It allows for a wide range of applications. When the internal clock is used, the SRC works as a perfect jitter-killer. And thanks to the SRC's clock-decoupling non-synchronizable items like CD-players and DAT recorders can be used together as if they were synchronizable.

Devices from RME have an outstanding reputation. To maintain this, we keep on looking for details that others miss. A present example is the ADI-8 DD's SyncAlign® technology. As soon as more than one AES or SPDIF input are used, there is usually the chance of an accidental error of ± 1 sample misalignment between the stereo inputs. SyncAlign prevents this error and guarantees sample synchronicity between all 4 x 2 channels.

All of the ADI-8 DD's I/Os support 96kHz/24bit. As ADAT® optical and TDIF are usually restricted to 48kHz, in DS mode (Double Speed) two channels are being used for the transmission of one channel's data. The Sample Split algorithm used is also implemented in the Hammerfall and Hammerfall Light. Thus the ADI-8 DD also represents an ideal AES/EBU frontend for the Hammerfall series.

The compact device with 19" width and 1 HU has numerous exceptional features like Intelligent Clock Control (ICC) and storing of all settings. Other highlights are:

  • ADAT® optical inputs, 24 bit, using RME's unsurpassed bitclock PLL for sample accurate lock
  • TDIF-1 interface, 24 bit, SD-PLL, Emphasis support, DA-88 compatible
  • Sample rate conversion 96 kHz/24 bit switchable for the AES/EBU inputs
  • Copy Mode allows for copying data to an output of the same format (ADAT to ADAT etc.)
  • Clock decoupling (re-synchronization) per SRC
  • Active jitter reduction per Serial Double PLL and SRC
  • Digital Patchbay, allows for copying, duplicating and distributing of the digital input signals
  • SyncCheck®, unequalled technology for checking of clock synchronicity
  • SPDIF mode switchable for the second ADAT optical output
Compare the ADI-8 DD with other stereo or multichannel converters and you will agree: the ADI-8 DD shows an unsurpassed flexibility together with a sensational price point! It is the long-awaited link in the semi-professional and professional area, from project studio to broadcast applications.

Join us for a small 'tour de ADI', starting on the left side at the AES to ADAT/TDIF converter. Configuration starts with choosing the input signal (AES, ADAT or TDIF.) The state of the digital input signals is displayed by 16 LEDs. Shown are Lock (per XLR socket, including SyncCheck), Emphasis and the level of the audio signal.

SRC activates a Hi-End 8-channel Sample Rate Converter. It is especially useful when sources cannot be synced or the output signal shall have another sampling frequency. RME's intelligent clock control (ICC) offers extensive and professional means that are not easily met. To start with, the clock source can be set to Internal (crystal), External (BNC word clock) and Input, while Input lets you select between AES, ADAT or TDIF. The INT(ernal) clock rates are 44.1 and 48kHz, which turn to 88.2 and 96kHz after activating the DS mode. After activating SRC, any AES signal from 32 to 96kHz can be converted to 44.1, 48, 88.2 or 96kHz. Lock state and clock synchronicity are being displayed by the state of each LED (flashing or constantly lit.)

The ADAT/TDIF to AES section is laid out in a similar way. After choosing the input signal (AES, ADAT or TDIF), the clock source and the sampling rate, there is a field with 16 LEDs for displaying the current status. An Emphasis bit at the TDIF input will be automatically set and indicated for the AES out. The Lock state of the input signals is being displayed at the SOURCE selector by flashing LEDs. The SYNC LEDs show the synchronicity between both ADAT or TDIF inputs (or the four XLR inputs), as in Double Speed mode (DS) 2 I/Os are active (4 channels each.) The AES output signal can be set to Consumer or Professional subcode. The first output (channel 1/2) can optionally be output optically (via TOSLINK) using the second ADAT output, or both ADAT outputs can operate in parallel to the AES outputs.

The unit always sends its output signal to ADAT and TDIF simultaneously. Additionally when operating at no higher than 48 kHz both ADAT outputs and TDIF interfaces get the same signal. Thus the distribution capability is doubled to 2 x ADAT and 2 x TDIF. Thanks to the freely available inputs all attached devices can send signals to each other without the need to rearrange the cabling between them.

The rear of the ADI-8 DD looks clear and tidy. Two ADAT and TDIF I/Os each (for 8 channels @ 96kHz), word clock I/O and four AES I/Os offer unbeatable flexibility and compatibility. Whatever it may be - just make the connections and take off!


Input AES/EBU: 4 x XLR, electrically isolated, highly sensitive input stage (< 0.3 Vpp), SPDIF compatible
Output AES/EBU: 4 x XLR, transformer balanced, 5 Vpp
Input ADAT® optical: 2 x TOSLINK, 24 bit, Bitclock PLL
Output ADAT® optical: 2 x TOSLINK, 24 bit
Input/Output TDIF: 2 x D-type 25 pin, 24 bit, SD-PLL
Input word clock: BNC, Signal Adaptation Circuit (functional from 1.2 Vpp input signal), SD-PLL
Output word clock: BNC, low-impedance driver stage, 4 Vpp into 75 Ohms, short-circuit-proof
Sync sources: ADAT optical input, AES/EBU input, TDIF input, word clock input
Varipitch: by input signal or word clock
Sample rates: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, variable (Sync/word clock)
Sample rate range: AES, word clock: 27 kHz-105 kHz, ADAT/TDIF 33 kHz - 57 kHz
Jitter: Internal clock < 1 ns, word clock In < 3 ns, ADAT In < 2 ns, TDIF In < 3 ns
Jitter sensitivity: all PLLs operate even at 40 ns Jitter without problems
Jitter reduction: SD-PLL > 50%, SRC > 99%
SRC dynamic ratio: 128 dB
SRC THD+N: < -117 dB (< 0.00014 %)
Sample rate ratio: Max. 3:1 / 1:3
Структура (англ.)

With a device as powerful as the ADI-8 DD, it is for sure sometimes difficult to find out what's going on, or can be done with it. The device is capable of 34 different format conversions - which nobody can remember. And how are they set up? What can the user do at all?

The key to understanding the ADI-8 DD is the block diagram below. Reduced to the core functionality, it shows clearly and easily to be understood, which inputs and outputs work together where and when.

The three inputs AES, ADAT and TDIF are shown on the left side. Using one source switch each, both the left and the right part can access the inputs independently. The output of the left part is connected to TDIF, and basically also to the ADAT output. The output of the right part is connected to the AES output. This is the obvious design and functionality of the device, as can be learned from the front panel and the rear (connectors.) The two converter units of the ADI-8 DD operate independently from each other, no matter which of the three inputs they use, sending a signal to their hard-wired outputs.

But there are two special cases, in which the optical ADAT outputs work for the right part instead of the left part. Using the AES STATE key, the AES signal can also be routed to the optical output*. This functionality is activated by switch Opt.2 in the diagram. It is very useful when a device shall be connected which has only an optical SPDIF input (e.g. Mini-Disc.)

The second special function enables an 'ADAT to TDIF and vice versa' converter, i.e. ADAT/TDIF in both directions simultaneously. So far, the ADI-8 DD can be used bi-directional as AES to TDIF and AES to ADAT converter. But ADAT to TDIF, as well as TDIF to ADAT, are both a function of the left part, therefore require to change the input and are thus not available at the same time. As can be seen in the block diagram the ADAT output can also be fed from the right part, activated by switch Opt.1 in the diagram. The conversion TDIF to ADAT now takes place in the right part, and the ADI-8 DD can convert ADAT/TDIF in both directions at the same time.

*The AES output 1/2 is sent to the second ADAT output AUX.

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