6. Technical specifications
Displays
ISP A/B..................................................................Input Signal Present indicator (green)
GR A/B.........................................................................Gain Reduction indicator (yellow)
OVL A/B...........................................................................Overload/Error indicator (red)
MUTE A/B......................................................................Mute/Standby indicator (green)
Liquid Crystal Display (LCD).....................................Graphic display / 120 x 32 Pixel
Controls
POWER..............................................................................................................Power switch
MUTE A/B........................................................................................Mute /Standby switch
LEVEL/PUSH MENU......................................................................Digital rotary encoder
access to all functions (Channel A /B) including:
Level control..................................–57.5 dB to +6 dB with 0.5 dB detents
Input matrix.........................................................................................A, B, A+B
Functions.......................Loudspeaker specific circuits CUT/HFA/HFC/CPL
4-band equalizer...........................................................Optional PEQ/Notch
Delay setting.........................................0.3 to 340 ms with 0.1 ms detents
Configurations......................Current d&b loudspeakers and linear mode
....................................except 2-Way Active, V-Series and B2-SUB setups
Channel coupling.....................common access to Delay, EQ, Delay+EQ
Protection..............................Operator input inhibit /password protection
Remote control.....................................................................................CAN-Bus
Device name................................................................15 alphanumeric digits
Display illumination......................................................Off/On/Timeout 10 s
Frequency generator..............Pink noise or Sine wave, 10 Hz to 20 kHz
...........with 1 Hz detents, Level: –57.5 dB to +6 dB with 0.5 dB detents
Buzzer.......................................................Audible signal for error messages
Monitoring according to IEC 60849
‘Sound Systems for Emergency Purposes’
Input monitoring................................................................Detecting external Pilot signal
Load monitoring.......................................................Continuous impedance monitoring
..............................................................................using Pilot signal at 10 Hz and 20 kHz
System check..............................................................Manual impedance measurement
...........................................................................to calibrate before, and verify after use
Connectors
INPUT ANALOG CH A / CH B...........................................................XLR 3-pol. female
.........................................Pin assignment: 1 = GND, 2 = pos. signal, 3 = neg. signal
Input impedance.......................................................44 kohms, electronically balanced
Input CMRR, 100 Hz...........................................................................................< – 70 dB
Input CMRR, 10 kHz............................................................................................< – 50 dB
Maximum input level..............................................................................................+25 dBu
LINK ANALOG CH A / CH B................................................................XLR 3-pol. Male
.........................................Pin assignment: 1 = GND, 2 = pos. signal, 3 = neg. signal
.......................................................................................................................parallel to input
INPUT DIGITAL AES/EBU.......................................................XLR 3-pol. female, AES 3
.........................................................Pin assignment: 1 = GND, 2 = Signal, 3 = Signal
Input impedance.........................................................110 ohms, transformer balanced
Synchronization.................................Word-Sync: PLL-locked to source (slave mode)
LINK DIGITAL (Output).............................................................................XLR 3-pol. male
..........................................................................................................electronically balanced
..........................................................................................................analog signal buffering
.......................................................................................................power fail relay (Bypass)
.........................................................Pin assignment: 1 = GND, 2 = Signal, 3 = Signal
D6 Amplifier, Hardware manual (1.9 EN) Page 18 of 24
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