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Genelec W371A SAM Adaptive Woofer System

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R202,795.00 R238,595.00
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800W Studio Subwoofer System for Genelec The Ones Series Monitors with 14" (Front) and 12" (Rear) Drivers
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Genelec designed the W371 Adaptive Dual Woofer System to seamlessly complement The Ones series 8341, 8351 and 8361 monitors to create a full-range monitoring solution with incomparable neutrality and superior levels of control over directivity and the influence of room acoustics. A stunning revelation in low-frequency performance, the W37 features a slender vertically oriented form factor that offers enhanced placement flexibility and sophisticated onboard controls that effectively eliminate the effects of your room on LF reproduction. Loaded with dual high-performance woofers — one forward-facing and one rear-facing — the W371 subwoofer system gives you a number of ways to meticulously custom-tailor system performance to your room over the critical lowest four octaves to obtain exceptionally smooth and flat frequency response with coherent LF imaging.

    Full-range monitoring without the headaches

    Engineers at Music Experience know that to be able to record extended frequencies, you must be able to hear them, so we would sensibly recommend going as full-range with your monitoring system as space (and budget) permit. Aside from budgetary considerations, the problem with gargantuan main monitors is being able to properly position them. Genelec’s W371AP Adaptive Dual Woofer System is a perfect solution. The W371AP extends your response down to 25Hz — low enough to feel in your chest cavity the crush of a well-recorded kick drum or the fullness of a fat unison synth bass. And, in combination with a set of The Ones series monitors, its smart control set guides you in setting up your room for accurate full-range monitoring.

      Main monitor benefits, free-standing flexibility

      Now, for the first time, you can enjoy all the benefits of a main monitor, but with the freedom to locate this flexible free-standing system optimally within your control room; and even have the option to switch between nearfield and main monitors without inducing image shift. The W371 features three operating modes that allow you choose between a flat and neutral LF response without acoustic notching, directivity of the main monitor down to the lowest frequencies, or reduction of detrimental reflections by the walls, ceiling or floor of your room. The W371 then uses Genelec’s acclaimed GLM software to select and optimize the signal processing for the best LF radiation mode, taking into account both the monitor location and listening position.

      What Genelec Says...

      An absolute revelation in low frequency performance. With the W371A, you can finally wave goodbye to the detrimental influences of your room on LF reproduction.

      Full-range, yet free-standing

      The W371A seamlessly complements our 8341A, 8351B and 8361A models to creates a series of full-range monitoring solutions with unrivalled neutrality and supreme control of directivity and the effects of room acoustics. Experience all the benefits of a main monitor, but with the freedom to locate this free-standing system in optimal positions within your control room; even providing the option to switch between nearfield and main monitors without image-shifting.

      Flat, smooth response

      The W371A tailors system performance carefully to the room, offering flatter, smoother in-room response with more coherent LF imaging. Three different operating modes allow a choice of flat and neutral LF response avoiding ‘acoustic notching’, continued directivity of the main monitor down to the lowest LF frequencies, or reduction of detrimental reflections by the walls, ceiling or floor of your room. The W371A then uses GLM software to select and optimise the signal processing for the best LF radiation mode, taking into account both the monitor location and listening position.

      Networked Smart Active Monitor (SAM™) Systems feature automatic calibration to the environment.

      Now, more than ever, audio productions are engineered in tighter, more confined working environments. This increases acoustic problems and lowers the reliability of monitoring. At the same time, an audio engineer's need to trust a reliable and precise monitoring system that reproduces sound neutrally and without distortion has not changed. Built upon the solid electro-acoustic foundations of our 1200, 8000 and 7000 Series products, Genelec SAM Systems are today’s most advanced and flexible monitoring solutions. They are an indispensable tool for audio professionals, as they automatically adapt to the acoustic environment and correct for level, delay and room anomalies. SAM Systems are controlled using Genelec's proprietary Loudspeaker Manager (GLM™) network and software, enabling you to build a highly flexible and reliable monitoring system. GLM is a highly intuitive and powerful monitor control networking system that manages connectivity to all SAM studio monitors and subwoofers on the network. GLM software features adjustment of level, distance delay and flexible room response compensation equalisation with our state-of-the-art, highly robust AutoCal™ 2 algorithm automated calibration system. All parameters and settings are stored in system setup files or saved in each individual monitor or subwoofer, if the GLM network needs to be disconnected. Also, all acoustical features of SAM Systems can be optimised and tailored for different working styles or client demands. Additionally, even if the monitors or the production projects move between rooms, you can expect SAM technology to provide the highest consistency in monitoring, providing neutral soundstage imaging with low distortion – in each environment. Genelec SAM Systems offer a comprehensive, solution-oriented, intelligently networked product range supporting analogue and digital signals in virtually any working environment.

      Each transducer is driven by its own optimised amplifier.

      Audio electronic crossovers allow to split the audio signal into separate frequency bands that can be separately routed to individual power amplifiers, which are then connected to specific transducers optimised for a particular frequency band. In a typical 2-way loudspeaker system, the active crossover needs two power amplifiers — one for the woofer and one for the tweeter. The power amplifiers are connected directly to the drivers of an active loudspeaker, resulting in the power amplifier’s load becoming much simpler and well known. Each driver-specific power amplifier has only a limited frequency range to amplify (the power amplifier is placed after the active crossover) and this adds to the ease of design.

      The active design principle offers multiple benefits:

      • The power amplifiers are directly connected to the speaker drivers, maximising the control exerted by the power amplifier’s damping on the driver’s voice coil, reducing the consequences of dynamic changes in the driver electrical characteristics. This may improve the transient response of the system.
      • There is a reduction in the power amplifier output requirement. With no energy lost in the passive crossover filter components, the amplifier power output requirements are reduced considerably (by up to 1/2 in some cases) without any reduction in the acoustic power output of the loudspeaker system. This can reduce costs and increase audio quality and system reliability.
      • No loss between amplifier and driver units results in maximum acoustic efficiency.
      • Active technology can achieve superior sound output vs. size vs. low frequency cut-off performance.
      • All loudspeakers are delivered as a factory aligned system (amplifiers, crossover electronics and enclosure-driver systems).

      Sophisticated drive unit protection circuitry for safe operation.

      When working in critical audio production environments it is essential that monitoring systems remain reliable and functional at all times. One of the main reasons behind Genelec’s excellent success in broadcasting environments is the reliability of our products and a key element behind the reliability is the internal protection circuitry found in all products since 1978. The protection circuitry prevents driver failures by detecting signal levels, and in case of sudden peaks or constantly too high levels, taking the signal level down automatically. Of course this feature does not affect the sound quality in any way when working within the specifications of the loudspeaker, but only prevents inadequate input signals from breaking the loudspeaker.

      Protection circuitry features and benefits:

      • Reduces the output level when required, (e.g. when driver voice coil temperature reaches the safe limit), which highly improves system reliability.
      • Appropriate protection circuitry design in every loudspeaker and subwoofer enables the maximisation of system output sound level.

      Intelligent Signal Sensing (ISS™) for power consumption reduction in stand-by mode.

      Introduced early 2013, Genelec’s Intelligent Signal-Sensing technology has been developed to meet with both European Union ErP Directives and Genelec's own ambitious sustainability standards. The Intelligent Signal Sensing, ISS™ circuitry tracks the signal input of the loudspeaker and detects if it is in use. If the ISS circuit does not find any audio on the input for a period of time, it sets the loudspeaker to a low-power sleep state and the loudspeaker will consume less than 0.5 watts. When an input signal is detected, the loudspeaker immediately turns itself on. Additionally an ‘ISS Disable’ switch is located on each product’s back plate next to the other room response controls. First, when the mains power switch of the loudspeaker is set to 'ON', the ISS™ auto-start function (low-power sleep state on/off) of the loudspeaker is active. If this function is not desired, the ISS™ function can be disabled by setting the 'ISS Disable' switch on the back panel to 'ON' position. In this mode, the monitor is only powered on and off using the mains power switch. Note that the mains power switch will always turn the monitor off completely.

        Active crossover operating at low signal levels.

        Audio electronic crossovers allow the audio signal to be split into separate frequency bands that are separately routed to individual power amplifiers, which are then connected to specific transducers optimised for a particular frequency band. Active crossovers come in both digital and analogue varieties. Genelec digital active crossovers include additional signal processing, such as driver protection, delay, and equalisation. Genelec analogue active crossover filters contain electronic components that are operated at low signal levels suitable for power amplifier inputs. This is in contrast to passive crossovers that operate at the high signal levels of the power amplifier's outputs, having to handle high currents and, in some cases, high voltages. In a typical two-way system the active crossover needs two power amplifiers — one for the woofer and one for the tweeter. Using the active approach enables frequency response adjustments and optimisation of the full loudspeaker system, placed in various room environments, without expensive external equalisers. The end result is a simpler, more reliable, efficient, consistent and precise active loudspeaker system.

        The active crossover design offers multiple benefits:

        • The frequency response becomes independent of any dynamic changes in the driver's electrical characteristics or the drive level.
        • There is increased flexibility and precision for adjusting and fine-tuning each output frequency response for the specific drivers used.
        • Each driver has its own signal processing and power amplifier. This isolates each driver from the drive signals handled by the other drivers, reducing inter-modulation distortion and overdriving problems.
        • The ability to compensate for sensitivity variations between drivers.
        • The possibility to compensate for frequency and phase response anomalies associated with a driver’s characteristics within the intended pass-band.
        • The flat frequency response of a high-quality active loudspeaker is a result of the combined effect of the crossover filter response, power amplifier responses and driver responses in a loudspeaker enclosure.

        Laminar Integrated Port (LIP™) allows for precise bass reproduction.

        Genelec’s choice for vented (or bass reflex) enclosures dates back to 1978 and the first active monitor developed by Genelec, the S30. Research to improve the performance and efficiency of reflex ports has been pursued ever since. A typical reflex port enclosure features a tube and an opening area. To avoid turbulences in the tube the air flow should not meet any acute angles as this would generate noise, compression, distortion and losses of the total radiated energy. To minimize the air flow speed, both the tube and its cross section have to be large. Often, the outer enclosure dimensions become a limitation, because a long tube will not fit in the available volume anymore. The M Series features two vent tubes having opening stretching across half of the enclosure depth to address these specific issues. The novel patent-pending Laminar Integral Port, LIP™, has been flow-optimized using computer-based finite element models to achieve low distortion and high efficiency even at very high audio output levels. The reflex ports are integrated in the NCE enclosure during the moulding process, avoiding the need for separate additional components. The cross-section plot (Figure) demonstrates the efficient flow characteristics of the port. The natural installation orientation of the M Series is vertical and to allow easy placement of the monitor against a wall, the M Series ports opening face downwards, in the space under the monitor. The novel Laminar Integrated Port, LIP™, bass reflex system provides accurate low frequency response and faithful tonal reproduction characteristics.

          Advanced reflex port design for extended low frequency response.

          Genelec’s choice for vented, or reflex, enclosures dates back to the S30 model, the first Genelec product from 1978. Port performance has been improved and refined over the years with the aim to increase the woofer’s low frequency extension and sound pressure level capability to provide outstanding bass articulation and definition. Both driver and vent contribute to the total radiation of a reflex enclosure. Most radiation comes from the driver, but at the vent-enclosure resonant frequency the driver displacement amplitude is small and most of the radiation comes out of the vent. To minimise the air speed in the tube, the cross sectional area of the vent should be large. This in turn means that the vent tube has to be long which presents quite a design challenge. The long, curved tube maximises airflow so deep bass can be reproduced without compression. The reflex tube terminates with a wide flare located on the rear of the enclosure, minimising port noises and providing excellent bass articulation. The curvature of the tube has also been carefully designed to minimise any audible noise, compression or distortion. The inner end of the tube has proper resistive termination to minimise once again audible chuffing noise and air turbulence. Proper reflex port design allows also to significantly reduce the woofer’s displacement, improving the linear low frequency output capacity.

            Precise room response compensation for optimizing in-room performance.

            The interaction between room acoustic and loudspeaker radiation is complex. Each room changes somewhat the monitor’s response in a unique way, e.g. reflective vs. damped rooms, or placement against a wall vs. on a stand away from the walls. All Genelec loudspeaker systems feature room response adjustments to compensate for the room influences and retrieve a flat frequency response at the listening position.

            Smart Active Monitor (SAM™) Systems

            Genelec SAM Systems offer a comprehensive, solution-oriented, intelligently networked product range which all feature Genelec Loudspeaker Manager (GLM™) software and its automatic calibration system called AutoCal™. Genelec AutoCal provides the industry’s first integrated process for complete automated measurement, analysis, and adjustment of every monitor on the GLM control network. The system measures the response in the listening area and applies relevant compensation in the low and low-mid frequencies to minimise the detrimental room acoustic anomalies as well as the differences between various listening positions. AutoCal also aligns relative levels, time-of-flight, as well as adjusts correct crossover phase (called AutoPhase) for all subwoofers on the network. glm2 screenchots The Acoustic Response Editor provides accurate graphical display of the measured response, filter compensation and the resulting system response for each monitor, with full manual control of acoustic settings.

            Genelec W371A SAM Adaptive Dual Woofer Systemr Features:

            • Smart Active Monitor (SAM) Systems
            • 14-inch (front) and 12-inch (rear) bass drivers
            • Optimized amplifiers, 400W per driver
            • Active crossovers; protection circuitry
            • Intelligent Signal Sensing (ISS) Technology
            • Reflex port design with Laminar Integrated Port (LIP) Technology
            • Room response compensation
            • Frequency range: 25Hz–450Hz (± 3dB )
            • 125dB max SPL
            • XLR analog I/O; XLR digital AES/EBU I/O
            • 2 RJ45 control network ports

                    Powered Yes
                    Power Configuration Class D
                    Driver Size 12"
                    LF Driver Type Magnetically-shielded, Laminar Spiral Enclosure driver
                    Total Power
                    2 x 400W
                    Frequency Range 23Hz-500kHz (±3dB)
                    Input Types 1 x XLR, 1 x XLR (AES/EBU)
                    Other I/O
                    2 x RJ45 (Cat5 GLM network)
                    Maximum Peak SPL 120 dB SPL @ 1m
                    Enclosure Type Rear Ported MDF
                    Height 43.5"
                    Width 15.75"
                    Depth 15.75"
                    Weight 135 lbs.
                    Manufacturer Part Number W371AP