11
7 Technical Data
L.U.C.A.S ALPHA Subwoofer
Inputs / outputs
Line In: XLR female (pin 1 = ground; 2= +; 3= -)
Input: Electronically balanced & floating
Input impedance: 47 k ohms
Sensitivity: 0 dBV (=1V)
Sensitivity switch: +4 dBu / -6 dBu
Max. input level: +20 dBu
External Sub out: XLR male (pin 1= ground; 2=+; 3= -)
Speaker outs: Speakon NL 4 (pin 1+= +, 1-= -)
Digital controller
Sampling frequency: 24 bits/ 48 kHz
Internal signal processing: 56 bits
Amplifiers
Subwoofer power output: 1x 1.200 W / Class D power amp
Satellite power output: 2x 400 W / Class D power amp
Protection circuits: DDO™-controlled Multi-band Limiter
Loudspeakers
Woofer: 1x 18" speaker
Subwoofer frequency response: 37 Hz – 100 Hz ± 3dB:
Max. SPL @1m: 130 dB@10% THD (half space)
Weights and dimensions:
Weight 58 kg / 127.6 lbs.
Dimensions (WxHxD): 53 cm x 63.5 cm x 68.5 cm
20-7/8" x 25" x 27"
Pole mount: M20 threaded base plate
L.U.C.A.S ALPHA Satellite
Inputs / outputs
Speaker input: Speakon NL 4 (pin1+= +, 1- = -)
Loudspeakers
Woofer: 1x 12" Neodymium
Driver: 1x 1.4"
Directivity: 60° x 40° BEM CD horn
Nominal impedance: 8 ohms
Nominal power handling capacity: 400 W RMS (via active circuitry)
Sound pressure level 1W / 1m: 105 dB (half space)
Max. SPL @1m: 129 dB@10% THD (half space)
Frequency response: 85 Hz- 19 kHz +/- 3dB:
(via active circuitry)
Crossover frequency (passive): 1.2 kHz, 12 dB/ octave
Driver protection: Dynamic protection circuit
Pole mount: DuoTilt™ 3°, 7°
Weights and dimensions
Weight: 19 kg/ 41 lbs.
Dimensions (WxHxD): 40 cm x 54.5 cm x 37 cm
15-3/4" x 21-1/2" x 14-1/2"
General electrical data:
Protection class 1 (protectively earthed)
Max. current consumption: 7,5 A (220-240 V) • 15 A (100-120V)
Max. power consumption: 2000 W
Internal fuses: 2x T 8A
Mains voltage range +/- 10%
Ambient temperature range -10° C to +35° C
during operation
English
LUC_alpha_manu3.indd 11LUC_alpha_manu3.indd 11 27.04.2007 16:01:02 Uhr27.04.2007 16:01:02 Uhr
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