d&b D80 - Manual (Page 8)

Audio data (linear setting with subsonic filter)
Maximum output power per channel (THD + N < 0.5%, all channels
driven)
CF = 6 dB @ 4/8 ohms
4 x 2600/2000 W
CF = 12 dB @ 4/8 ohms 4 x 4000/2000 W
Maximum output voltage 180 V
Frequency response (—1 dB) 35 Hz – 20 kHz
THD+N 20 Hz – 20 kHz, 600 W @ 4 ohms) < 0.5%
S/N ratio (unweighted, RMS)
Analog input
> 110 dBr
Digital input > 114 dBr
Damping factor (20 Hz – 200 Hz into 4 ohms) > 100
Crosstalk (20 Hz – 20 kHz) < –70 dBr
Gain (Linear mode @ 0 dB) 31 dB
Protection circuits
Mains inrush current limiter 13 A
RMS
@ 230 V AC
22 A
RMS
@ 120 V AC
27 A
RMS
@ 100 V AC
Ground fault protection
Output current limitation/protection
65 A / 75 A
Output DC offset protection 10 V
Output HF Voltage Limiter 60 V @ 10 kHz
Output pop-noise suppression
Mains Current Limitation (MCL)
95 to 50 % of 16 / 30 A
Overvoltage protection Up to 400 V AC
Self-resetting overtemperature protection
Power supply
Autosensing switched mode power supply with active power factor
correction (PFC)
Mains connector
powerCON-HC
Rated mains voltage 208 to 240 V, 50 – 60 Hz
high range
100 to 127 V, 50 – 60 Hz
low range
Mains fuse internal
Power consumption (typical values)
Standby 9 W
Idle 180 W
Max. power consumption (short term RMS) 7000 W
Audio input connectors
INPUT analog (A1 - A4) 3 pin XLR female
Pin assignment 1 = GND, 2 = pos., 3 = neg.
Input impedance 38 kOhms, electronically balanced
Common mode rejection (CMRR @ 100 Hz/10 kHz) > 70 / 50 dB
Maximum input level (balanced/unbalanced) +25 / 17 dBu
+27 dBu @ 0 dBFS
LINK analog (A1 - A4) 3 pin XLR male
Pin assignment 1 = GND, 2 = pos., 3 = neg.
parallel to input
INPUT digital (D1/2, D3/4) 3 pin XLR female, AES 3
Pin assignment 1 = GND, 2 = AES Signal, 3 = AES Signal
Input impedance 110 ohms, transformer balanced
Sampling 48 / 96 kHz / 2 Ch/n
Synchronization Word-Sync: PLL-locked to source (slave mode)
LINK digital (Output) 3 pin XLR male
electronically balanced
analog signal buffering (refresh), power fail relay (Bypass)
Output connectors
SPEAKER OUTPUTS A/B/C/D 4 x NL4
optional: 4 x EP5
4 CHANNEL OUTPUT 1 x NL8
Network connectors
CAN 2 x RJ 45 parallel
ETHERNET 2 x etherCON ®
Dual Ethernet port with built-in 2-port Ethernet switch
10/100 Mbit
Controls and indicators
POWER Mains power switch
SCROLL/EDIT Digital rotary encoder
Display TFT color touch screen, 3.5" / 320 x 240 Pixel
2. Technical specifications
d&b D80 Manual 1.9 en 8