Analog Inputs - Steinberg Nuendo8 I/O Handbuch

Analog Inputs

The Nuendo 8 I/O's rear provides 8 (stereo) 1/4" TRS jacks and a 25 pin D-sub jack. Both
are internally connected, so not operational at the same time. The electronic input
stage is built in a servo balanced design which handles monaural and stereo jacks cor-
rectly. When used unbalanced it automatically corrects the gain by 6 dB.
When using unbalanced cables with XLR jacks pin 3 of the cables jack should be con-
nected to pin 1 (ground). Otherwise noise may occur, caused by the unconnected nega-
tive input of the ADI's balanced input.
The 25-pin D-sub connector follows the pinout known from devices manufactured by
Tascam. Refer to chapter 10 for a pinout listing. We do not recommend to make such a
cable by yourself, as it is extremely difficult to integrate 8 balanced lines into a small D-
sub housing without short circuits. Your dealer should be able to sell you a profes-
sional Tascam multicore, D-sub to XLR, made in the length of your choice.
One of the main issues when working with an AD-converter is to maintain the full dy-
namic range within the best operating level. Because of this Steinberg's Nuendo 8 I/O
includes electronic switches of the newest technology, which introduce no additional
noise or distortion to the audio path. The key INPUT LEVEL allows a perfect adaptation
for all 8 channels to the most often used levels -10 dBV and +4 dBu.
Each analog input has a 'Signal Ok' and 'Over' LED, so levels and Overload of each
channel are easy to check. The green LED begins to light at -40 dBFS in an analog fash-
ion (more bright at higher levels). When this LED lights up only seldom or never the in-
put level is too low, causing a noisy and distorted recording.
The 'standardized' studio levels do not result in a (often desired) full scale level, but
take some additional digital headroom into consideration. The amount of headroom
is different in different standards and again differently implemented by different man-
ufacturers. Because of this we decided to define the levels of the Nuendo 8 I/O in a
most compatible way. The headroom of the Nuendo 8 I/O is defined according to the
chosen reference level.
NUENDO 8 I/O
14 Inputs and Outputs