Qube Audio QSA 118Sa

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QSA118 SA 18” Bass Reflex Powered subwoofer
The QSA 118Sa is a powered compact bass reflex cabinet subwoofer. It features an Italian manufactured 18” high excursion woofer powered by an 800w RMS CLASS D (PWM) power amplifier. Only the best quality European electronic parts are used in the power amp module circuitry to provide superb specifications, reliability and longetivity. The QSA 118sa has been specifically designed as the companion subwoofer system for the QSA 112A two way line array cabinets, although it can be used with any sound system to provide additional LF reinforcement. Frequency response is from 35 Hz - 120 Hz and a single QSA 118sa provides 129.5 db SPL. The power amp module provides 2 sets of dipswitches with factory presets: 1 set of 4 switches provides 8 different EQ curves to adapt the QSA 118sa’s EQ contour for either ground stacked (4 EQ settings) or flying applications (4 EQ settings) as well as 180° phase reversal. The 2nd. set of dipswitches provides 8 different delay settings, allowing delay adjustments from .25 meters to 32 meters (9.75” - 105 ft.). A rotary potentiometer allows adjustment of gain settings from - 9dB to + 3 dB for precise gain control. Additional power amp module features include: Four LED indictors for the power amps operation status (Power On, Overload, Limit and Protect), a ground lift switch, a balanced XLR - F input connector, a balanced XLR-M Loop output connector to daisy chain the signal input to additional QSA 118sa Subwoofers, an auto resetting AC line circuit breaker, two Neutrik® Powercon AC connectors (one main AC in, and one AC loop out to supply AC power to an additional QSA 118sa or to power two QSA 112A line arrays). This AC loop out powering system eliminates the need to connect lengthy individual AC power cables to each QSA 118sa (or two QSA 112A line array cabinets) from the main AC power source and allows a quicker, more convenient multiple array cabinet system set up whether in a suspended or a ground stacked permanent or portable system configuration. The QSA 118sa cabinet is constructed with 18mm (3/4”) Baltic birch plywood and finished with scratch and scuff resistant black paint. Ergonomically placed integrated handles and mechanical hardware for suspension with a 10:1 safety factor are provided. The QSA 118sa also features a top mount 35mm (1?”) satellite pole mount. With use of the optional QUBE SS -210 speaker mounting pole, one or two QSA 112A two way line array cabinets can be placed on top of a QSA 118sa subwoofer. The side mounted hardware is used to securely lock the QSA 112a cabinets together while the SS - 210’s adjustable angle pole provides aiming flexibility. Key Features: ·
Built in 800w RMS Class D (PWM) power module (85% efficiency) ·
Switch mode power supply ·
• A single QSA 118sa delivers 129.5 dB SPL ·
• DSP controller with 8 different EQ presets for ground stacked or flying applications and 8 different delay line settings ·
• An Italian manufactured high excursion 18” woofer with a 4” Kapton high heat resistant voice coil ·
• Ergonomically placed carrying handles and mechanical hardware for suspension with a 10:1 safety factor ·
• Cabinet constructed with 18 mm (3/4”) 13 ply Baltic birch plywood, with internal cabinet bracing to prevent undesired resonance. Enclosure finished in scratch and scuff resistant black paint ·
• Completely Manufactured in Italy
Configuration Way 1
Built-in amplifier Watts (RMS) 800
Frequency response @-6dB 35Hz-200Hz
Low frequency woofer inches 18 (4” voice coil)
Nominal input impedance kOhms 22
Sensitivity (@1W/1m) dB 98,5
Maximum SPL dB 129,5
Dispersion H°xV° omni
Input/linked connectors Balanced XLR
Power cord mt 5/ft 16,5
Net dimensions H x L x W cm 56,5 x 60,5 x 69,5 (22,25"x23,82"x27,36")
Net weight Kg 56/lbs 128
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