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APPENDIX B
AUDIO INPUT
Type Differential, electronically balanced
Max. common mode range ±15 V DC, clamped to earth for voltage transient protection
Connectors Female XLR input with male XLR loop output or VEAM
Input impedance 10 kΩ differential between pins 2 and 3
Wiring Pin 1: Chassis/earth through 220 kΩ, 1000 pF, 15 V clamp network to provide virtual
ground lift at audio frequencies
Pin 2: Signal +
Pin 3: Signal -
Case: Earth ground and chassis
DC Blocking None on input, DC blocked through signal processing
CMRR >50 dB, typically 80 dB (50 Hz – 500 Hz)
RF filter Common mode: 425 kHz
Differential mode: 142 kHz
TIM filter <80 kHz, integral to signal processing
Nominal input sensitivity 0 dB V (1 V rms, 1.4 V pk) continuous is typically the onset of TPL limiting for noise and
music.
Input level Audio source must be capable of producing a minimum of +20 dBV (10 V rms, 14 V pk)
into 600 Ω in order to produce maximum peak SPL over the operating bandwidth of the
loudspeaker
AMPLIFIERS
Amplifier type Complementary power MOSFET output stages (class AB/H)
Output power 3560 W (four channels; 2 x 1125 W, 1 x 560 W, 1 x 750 W)
Note: Amplifier wattage rating is based on the maximum unclipped burst sine-wave rms
voltage the amplifier will produce in to the nominal load impedance low, mid and very high
channels 67 V rms (95 V pk) into 4, 6 and 8 ohms.
THD, IM TIM < .02%
Load capacity 4 Ω low and mid; 8 Ω high channel; 6 Ω very high channel
Cooling Forced air cooling, 4 fans total (2 ultrahigh-speed reserve fans)
AC POWER
AC power connector 250 V AC NEMA L6-20 (twistlock) inlet, IEC 309 male inlet, or
VEAM all-in-one connector (integrates AC, audio and network)
Voltage selection Automatic, two ranges, each with high-low voltage tap (uninterrupted)
Safety agency rated
operating voltage
95 V AC – 125 V AC, 208 V AC - 235 V AC, 50/60 Hz
Turn on/turn off points 85 V AC – 134 V AC; 165 V AC - 264 V AC
Current Draw
Idle current 1.1 A rms (115 V AC), 0.55 A rms (230 V AC), 1.3 A rms (100 V AC)
Max. long-term continuous
current (>10 sec)
11.2 A rms (115 V AC), 5.6 A rms (230 V AC), 12.9 A rms (100 V AC)
Burst Current (<1 sec) 14.4 A rms (115 V AC), 7.2 A rms (230 V AC), 16.6 A rms (100 V AC)
Note: AC power cabling must be of sufficient gauge so that under burst current RMS conditions, cable transmission
losses do not drop voltage below specified operating range at the speaker.
Ultimate Short-Term Peak
Current Draw
32 A rms (115 V AC), 16 A rms (230 V AC), 37 A rms (100 V AC)
Inrush Current 7 A rms (115 and 110 V AC), 10 A rms (230 V AC)
RMS NETWORK
Equipped for two conductor twisted-pair network, reporting all operating parameters of
amplifiers to system operator’s host computer.