Mains voltage 90 – 250 V AC / 50 – 60 Hz
Power consumption 20 watts
Safety class I
Inputs 2 x XLR IN, electronically balanced, transformer optional available 2 x XLR OUT (Direct Out)
Input voltage (nominal) 1.55 V / 6 dBu
Max. input voltage 24.5 V / 30 dBu
Input impedance 20 kohms
Common mode rejection > 40 dB
AD-conversion 24-bit, Sigma-Delta, 128 times oversampling, linear phase
Outputs 4 x XLR OUT, electronically balanced
Output voltage (nominal) 1.55 V / 6 dBu
Max. output voltage 8.7 V / 21 dBu
Output impedance < 100 ohms
Min. load impedance 600 ohms
DA-conversion 24-bit, Sigma-Delta, 128 times oversampling
Frequency response 20 Hz – 20 kHz (- 0.5 dB)
S/N ratio 115 dB (typical)
Distortion without transformer < 0.01 %
Distortion with transformer < 0.05 %
Frequency crossovers 6, 12, 18, 24 dB/oct. slope; Butterworth, Bessel, Linkwitz-Riley
Filters 26 parametric equalizers Low-Shelving equalizer, LPN (Lowpass-Notch) switchable Hi-Shelving equalizer, 6 / 12 dB slope switchable, Lo-Cut filter (B-6 alignment switchable), Hi-Cut filter, All-Pass filter
Compressor / limiter 4 digital compressors / limiters
Delay 3 master delays (2 ms – 900 ms) 4 channel delays (0 ms – 900 ms) delay-increment 21 æsec.
Data format 24-bit linear AD / DA conversion, 48-bit processing
Sampling rate 48 kHz
MIDI IN / OUT / THRU Data Dump, Master / Slave operation/ Remote Control
Display 122 x 32 Dots, graphic LC-Display with LED-background lighting
Dimensions 483 x 43.6 x 374 (WxHxD in mm), 19″, 1 HU
Weight 5 kg / 11 lbs
Locking function protection against inadvertent operation via function-lock
Accessories PA 1 plexiglas cover 1 HU
Options NRS 90244 Input transformer
NRS 90243 RS-232 interface
NRS 90247 RS-485 interface
NRS 90246 Contact Closure interface