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STW 600A

The STW 600 A is a 600W RMS active subwoofer. Equipped with a 15” speaker and featuring a Class D switching amplifier (ICEpower® by Bang & Olufsen), it is a great choice for the professional user. Suitable for a wide range of indoor and outdoor applications, the STW 600 A’s new design, compact size and low weight enables incredible projection of bass frequencies, while still making it portable enough for use by individual performers. This sub is an ideal partner for the STL 400, Live 350/A and Live 550/A speaker systems. A 40mm standard flange fitting is provided in the top of the cabinet.

The STL loudspeaker series combines professional features and state-of-the-art performance with the most advanced technology. Each element, from custom made loudspeakers and oversized amplifiers to cabinet construction, has been carefully considered and designed to ensure optimum performance and maximum sound quality in every situation.

The series consists of 15 models, including 3 passive and 3 active satellites, 4 passive and 4 active subs, and one active stage monitor. These have been designed for use either as mobile systems in live and DJ applications, or as fixed systems for use in small-medium sized public venues, clubs, conference rooms and theatres. 

Powered models are endowed with the Physiocon2TM processor, delivering high fidelity sound and a huge processing power.  Another exceptional feature of the series is the new processor-controlled TSSTM (Total Speaker Safety). This provides real-time control of the internal amplification, protecting it from incoming signal peaks, yet keeping it at maximum efficiency without any risk of signal breakup. Other features include amazing frequency response and impeccable long-range audio coverage across the full frequency spectrum.

The special shape of the satellite cabinets means that they can easily be used as stage monitors if required. The satellite’s HF section uses a 1” compression driver with titanium diaphragm. This provides greater reliability and sound brilliance than those made from traditional materials. The wide dispersion horns provide maximum coverage without distortion. All woofers are custom made to SR specifications, offering greater power handling and efficiency. Neodymium, used on the woofer’s magnet, guarantees high quality acoustic performance whilst, at the same time, reducing the total weight of the cabinet. STL passive models are equipped with crossover filters made from ed components for optimal frequency distribution. A sophisticated electronic protection circuit prevents overload of the HF driver. All passive models are available with 8 Ohm impedance.

Cabinets are made from 13-layer birch plywood, which combines light weight with strength and high durability. They are available in either black scratch-resistant paint, or elegant wood colour finishes. Components are protected by an exclusively designed 1.5 mm metal grid, or by foam. Each model includes two metal handles and a metal speaker stand adaptor.

Frequency response 40 Hz- 120 Hz
Sensitivity @ 1W/1m 100.0 dBSPL
SPL max (calc.) 129.0 dBSPL
Crossover Electronic - 24dB/octave 120 Hz
LF Transducer 15" Woofer
Neodymium magnet circuit
Voice coil diameter 100 mm
Power Handling (Continuous/Peak) 600W/1000W
Connection XLR Line Input (2)
XLR Direct Output (2), XLR X-over Output (2)
Impedance 10 kΩ @ 1 kHz for XLR line
Input sensitivity Mono position L or R XLR 0 dBu (0.775 Vrms)
in balance mode
Stereo position L and R XLR -3 dBu (0.548 Vrms)
in balance mode
Controls Volume, Ground Lift Switch, Mono/Stereo Switch
Box 18 mm Plywood
2 way bass reflex
Stand Mounuting Top hat composed
of welded steel tube ø 36 mm, h=77 mm
Weight kg 33
Dimensions (LxDxH) 450 x 635 x 610 mm