Executive Audio NSA 2008 User Manual

1
NSA 2008
TABLE DE MIXAGE PROFESSIONNELLE avec
INTERFACE USB
STEREO SOUND MIXER with USB INTERFACE
MANUEL D’UTILISATION
USER MANUAL
2
FACE AVANT
1. ENTREE MICRO DJ
Prise combo (XLR et Jack 6.35) symétrique et asymétrique.
2. SELECTEUR D’ENTREE
Chaque voie comporte un sélecteur de deux entrées. Les voies 1,2,3 en PHONO/CD,
les voies LINE 1,2,3 en CD/DVD/VIDEO/LINE
3. GAIN
Réglage du niveau d’entrée de la voie, un bon réglage permet d’éviter la distorsion.
4. EGALISATION DES VOIES MICRO ET LINE
Trois correcteurs basse/medium/aigu à +-12dB.
5. EGALISATION DES VOIES MUSIQUE
Trois correcteurs basse/medium/aigu à +12dB/-26dB.
6. TALKOVER
Réglage du talk over sur la voie micro, le niveau musical des autres voies baisse
automatiquement et laisse la priorité au micro, réglage 0dB (off) à 20dB.
7. PRE ECOUTE
Ces boutons permettent la pré-écoute de la source au casque. La LED s'allume quand
la fonction est activée
8. CONTROLE DU VOLUME DE CHAQUE VOIE
Ces faders permettent le réglage du niveau du volume

Executive Audio NSA 2008 Specifications

Input Specifications

DJ MIC & MIC input sensitivity	3mV / 1KOhms
PHONO input sensitivity	3mV / 51KOhms
LINE/CD input sensitivity	150mV / 100KOhms

Output Specifications

MASTER A/B output level	775mV/600Ohms Balanced
MASTER B output level	775mV/600Ohms Unbalanced
PHONES output level	380mV/8Ohms

Performance

Frequency response	20Hz~20KHz ±0.5dB (RIAA ±2dB)
Total harmonic distortion	0.01% (Rated output)
Stereo separation	More than 45dB

Signal-To-Noise Ratio

DJ MIC signal-to-noise ratio	80dB
PHONO signal-to-noise ratio	70dB
LINE/CD signal-to-noise ratio	85dB

Tone Control

MIC & LINE1-3 boost/cut	±12dB@100Hz, 1KHz, 10KHz
PHONO/CD boost	+12dB@100Hz, 1KHz, 10KHz
Special cut	Hi: -26dB@ above 10KHz, Mid: -26dB@ 1KHz, Low: -26dB@ below 100Hz

USB Interface

A/D & D/A	16 bit Delta Sigma
Playback distortion	< 0.05%
Recording distortion	< 0.1%

Weight and Dimensions

Dimensions	482mm x 311mm x 115mm
Weight	5 kg
Talkover reduction	0 to -20dB

Summary

Front Panel Controls

DJ Microphone Input

Combo XLR and 1/4" jack sockets for balanced or unbalanced microphone connections.

Input Selector

Selects between dual inputs for each music channel (PHONO/CD or LINE/CD/DVD/VIDEO).

Gain Control

Adjusts input level for each channel to prevent distortion and ensure a good signal.

Channel EQ

Three-band equalizer (bass, mid, treble) for tone shaping on mic and music channels.

Talkover Function

Reduces music volume automatically when microphone is active, prioritizing the mic.

Pre-Listening (Cue)

Allows pre-listening of sources via headphones; LED indicates activation.

Channel Volume Faders

Controls the overall volume level for each individual channel.

Crossfader

Allows mixing of one source into another; left is channel 1, right is channel 2.

Master Level Controls

Adjusts overall output level for Master A (XLR/1/4") and Master B (RCA).

Headphone Controls

Includes headphone jack, level control, and PAN control for mix adjustment.

Display and Power

Controls for output level display selection and main power switch.

Rear Panel Connections

Microphone and Line Inputs

Rear microphone inputs (1/4") and unbalanced RCA jacks for line/CD sources.

Phono Inputs and Ground

RCA jacks for turntables (moving magnet) and a ground terminal to reduce hum.

Master Outputs

Balanced XLR (Master A) and unbalanced RCA (Master B) stereo outputs.

Mains Connection

Standard IEC AC power socket; ensure local voltage matches unit requirements.

Ancillary Connections

Fuse holder, PHONO/CD selector, and USB jack for playback and recording.

Specifications

Audio Performance

Frequency response, harmonic distortion, and stereo separation figures.

Signal-to-Noise Ratio

SNR values for DJ MIC, PHONO, and LINE/CD inputs.

Tone Control Details

EQ frequency points and boost/cut ranges for MIC/LINE and PHONO/CD channels.

USB Interface

Details on A/D, D/A conversion, playback/recording distortion, S/N, and interface version.

Physical Characteristics

Dimensions and weight of the mixing console.