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Sound Gallery is a hifi specialist store located in Melbourne servicing Australian and International customers. With 20 years of experience in R&D, studio remastering and psycho-acoustics showcasing premium hi-fi systems. When you are passionate about music, let us help you find the perfect system tailored to your needs and lifestyle. 

 

Since our founding, Sound Gallery has been known for quality services, exceptional efficiency and the highest level of professionalism. No matter what service you’re looking for, we guarantee to not only meet, but exceed your expectations and ensure your full satisfaction. 

Living Voice Auditorium OBX RW3 Speakers

Living Voice Auditorium OBX RW3 Speakers

 

OBX-RW3

OBX-RW3 is the top model in the range, with outboard (OBX) crossovers.

The OBX-RW3 outboard crossover variant allows the capacitors, inductors and resistors to be isolated from the high levels of mechanical energy inside the loudspeaker cabinet. All crossover components are microphonic to a greater or lesser extent, so housing them externally minimises this feedback and provides appreciable benefits. Furthermore, an external crossover facilitates a more generous physical separation of the crossover components. Even when components are laid out with mutually orthogonal orientation, there is still a degree of inductive and capacitive coupling which disturbs the crossover’s behaviour. Generous physical separation eliminates this parasitic coupling.

This approach confers several musically valuable benefits – a quieter background, an elasticity and freedom of dynamic range and a more distinct and intelligible acoustic space conveying time and poise. This quality contextualises the musical performance adding to the easy suspension of disbelief. The outboard crossover has further benefits; tonal colours are more radiant; textures are more distinct and unambiguous; the presentation is calmer with more expression in the playing. Perhaps most importantly, dense, complex passages are easily comprehensible and unforced.

The OBX-RW3 sets an absolute performance benchmark irrespective of size or price. It is everything the serious listener could wish for, capable of compelling storytelling with perfect timing and heartfelt lyricism as well as the ability to shock, surprise and transcend. The OBX-RW3 is a musical communicator of the highest order. For the very focused music lover the OBX-RW3 is the way to go.

 

Design Rationale: Auditorium Series.

The Auditorium R25A is the base model in the Auditorium Series followed by the Avatar 3, IBX-R3, IBX-RW3 and OBX-RW3.

All share our favoured MTM (mid, treble, mid) driver configuration, which offers performance advantages over both a simple 2-way design and the more complex but less elegant 3-way option. The MTM topology possesses a more symmetrical polar and more even power response, as well as superior phase characteristics. Factor in higher sensitivity and lower intermodulation distortion and you have an elegant solution even before you design the crossover – a true Occam’s Razor approach. Presenting an easy load and a genuine 94dB sensitivity, each Auditorium model allows class A valve electronics to shine, bringing music to life with verve and vitality.

The elegantly proportioned cabinets and small footprint of the Auditorium Series conceal a meticulous, obsessive approach to the complex problems of loudspeaker design. The Auditorium’s unobstructive natural qualities cut straight to the heart of the musical performance. There is a common DNA from the Avatar R3 up with degrees of refinement, precision of component tolerancing, and overall component quality increasing significantly as you ascend through the range.

In 30 years of loudspeaker development, Living Voice has evolved to the point where around 90% of our crossover components are proprietary. Should we fail to find components that exactly meet our needs, we design in-house and have them engineered to meet our specific objectives – these include film & foil capacitors, non-inductive wire-wound resistors and precision air-core inductors. In this way we can temper the ‘voicing’ to meet our critical musical standards. Most recently, we have developed our own HF unit in conjunction with Scanspeak, a driver which preserves the elegance and filigree of the renowned Revelator but relieves it of a broad energy dip between 10kHz and 15 kHz.

Two 6.5” bass-mid drive units (again a proprietary design made for us by Scanspeak) are used in parallel to produce the equivalent surface area to a single 10” driver – but with half of the excursion and 50% lower intermodulation distortion. Our driver can work cleanly above crossover, facilitating seamless integration with the HF system without the need for steep electrical filter slopes or the use of notch filtering to counteract stop-band break-up modes.

Each Auditorium is ideally suited to exploiting the inherent advantages of class A valve amplification, and has been designed and voiced with the output impedance (and damping factor) of zero/low negative feedback direct-heated Triode designs in mind. In smaller rooms, the 8 watts offered by a single-ended 300B design can be fully realised, however we recommend the use of amplifiers with 15 watts or more to exploit the full dynamic potential available on a broad range of music programme. The dispersion characteristics of the Auditorium Series are such that they create a coherent soundstage even for listeners sitting significantly off-axis. This is emphatically not a ‘hot spot’ design.

 

Development Process – The Human Factor.

As someone once said, “Not everything that counts can be counted, and not everything that can be counted counts.” It’s a maxim worth repeating in loudspeaker design.

No component is truly benign and there is always a hint of added character, colour or texture which influences the sound. We have literally hundreds of components of different technologies in our R&D library which we can refer to when we are voicing our designs. Finely-honed subjective management of these unmeasurable, unquantifiable characteristics is as important as the strict science of precision crossover filter design. Our crossover designs are the product of three decades of evolution; the goal is the seamless integration of cabinet and drive units to produce an organic ‘out of the box’ listening experience.

We develop all Living Voice loudspeakers using demanding broad spectrum complex musical programmes, with the emphasis being on holistic musical expression, communication, and balance – of creating the illusion of real human beings performing with passion and purpose.

OBX-RW3

 
SENSITIVITY: 94dB
NOMINAL IMPEDANCE: 6 Ohms
LOADING: Reflex port to rear of cabinet.
FREQUENCY RESPONSE: 35Hz–30kHz
POWER HANDLING: 100 Watts
CABINET DIMENSIONS: W 215mm × D 270mm × H 1030mm
PLINTH: W 215mm × D 270mm × H 140mm
Black textured finish.
GROSS WEIGHT: 22Kgs per cabinet.
CROSSOVER DIMENSIONS: W 450mm × D 270mm × H 120mm
CROSSOVER WEIGHT: 5Kgs per cabinet.

TECHNICAL SUMMARY:

  • High sensitivity wide dispersion MTM topology 750-density hardwood composite enclosure. Stiff internal triple bracing.
  • Proprietary LV hand-wound air core inductors. Optimised crossover layout.
  • Mechanically-isolated outboard crossover. Star earthing.
  • Crystal-oriented internal wiring harness.
  • Proprietary Living Voice discrete film and foil capacitors. Proprietary non-inductive wire-wound resistors.
  • DEEP CRYOGENIC TREATMENT APPLIED TO: Gold WBT binding posts – cabinet and outboard crossovers, internal wiring harness and crossover components.
  • Treble drive unit: Proprietary Scanspeak tweeter made for Living Voice.
  • Bass / Mid drive unit: Proprietary Scanspeak 17 cm doped paper-coned drive units made specifically for Living Voice.
  • Woods and finish: Premium furniture grade book-matched enclosures in Cherry. Walnut. Maple. Santos. Black Ash. Burr Oak. Ebony. Flat White, Optional black.
  • Outboard crossover: Book-matched pair in premium furniture grade enclosures to match the main loudspeaker cabinets.
AU$25,586.00Price
Different Finish