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Ver la Versión Completa : Cual de Estos Subs Comprarían ??



Adal Suárez
22 dic 2010, 16:35
Quiero adquirir unos subs amplificados JBL, para sonorisar un grupo pequeño de 5 personas (Teclado, percusión y 3 voces), en eventos de no mas de 250 personas, y estoy entre estas tres opciones:

VRX-918SP

Frequency Range (-10 dB): 31 Hz - 220 Hz
Frequency Response (±3 dB): 34 Hz - 220 Hz
Maximum Peak Output1: 126 dB SPL at 1m
LF Driver: 1 x JBL 2268FF 457 mm (18 in) dual voice coil
Differential Drive® woofer with neodymium-magnet
Bandpass Nominal Impedance: LF: 2 x 2 ohms
DPC-2 Internal Amplification
Output (at nominal load): 1500 Watts Peak, 750 Watts Continuous
DPC-2 Output as (Continuous IEC
shaped pink noise into rated load
impedance): LF: 750 Watts
DPC-2 Output Section: LF: Dual-Bridged Technology™, Class


PRX-618S

System Type: Self powered 18", bass-reflex
Maximum SPL Output: 129 dB peak
Frequency Range (-10 dB): 41 Hz - 130 Hz
Frequency Response (±3 dB): 50 Hz - 100 Hz
Input Connectors: Balanced XLR input with XLR loop-through (stereo). 1/4"
speaker level input (Mono).
Input Impedance: 20K ohms (balanced)
Signal indicators: Overload: Red LED indicates input overload condition
Signal: Green LED indicates signal present
Polarity: Normal or reverse polarity
Crossover Modes: Analog 24 dB/oct filter slope
Crossover Frequency: 120 Hz
Amplifier
Design: Crown® Class D
Power Rating: 600 W

PRX-618S-XLF

System Type: Self powered 18", bass-reflex
Maximum SPL Output: 133 dB peak
Frequency Range (-10 dB): 30 Hz - 105 Hz
Frequency Response (±3 dB): 39 Hz - 93 Hz
Input Connectors: Balanced XLR 1/4" combo jack with XLR loop-through.
(stereo)
Input Impedance: 20K ohms (balanced), 10K ohms (unbalanced)
Signal indicators: Limit : Red LED indicates limiter active condition
Signal: Green LED indicates signal present
Polarity: Normal or reverse polarity
Crossover Modes: DSP controlled 48 dB/oct filter slope
Crossover Frequency: 90 Hz
Dynamic Control (Input): dbx Type IV™ limiter circuit
Amplifier
Design: Crown® Class D
Power Rating: 1000 W (2 x 500)

Cual de ellos me recomendarían, ya que los precios andan similares.:confused:

Mauricio Lema
22 dic 2010, 17:47
por el spl me quedo con el prx-618s-xlf