Legend Acoustic Big Red, Active Loudspeaker

The Big Reds are a no compromise design by Dr Rod Crawford. With amplifiers built in that perfectly match not only the speaker but each individual driver. Normally, when we build up HiFi systems that use a separate amplifier to power each driver, you're looking at a price tag of 10s of thousands of dollars. In this case you can get all of those benefits and more.


These Big Reds also boast an active crossover design that is handled by a separate box, the DEQX. This smart little box also adjusts for any discrepancies of each individual driver as well as those inherent in your listening room.


In whatever situation these end up in, they are sure to astound!


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$9,990.00

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Product Description

Details

As part of our process of continual improvement that enables you to benefit from our latest developments, the Big Reds have learnt a lot from our top-of-range Tikandi loudspeakers.   With ‘form following function’ they use the same truncated pyramidal shaped cabinet with its non-parallel sides to reduce internal reflections so as to minimises standing waves which smear & muddle the sound. And the triangular front baffle also minimises external diffraction effects resulting in extraordinary imaging, both laterally and depth. The cabinet is heavily braced and lined internally with constrained-layer damping to also improve clarity.

The latest evolution of the Big Reds also continues to benefit from improved drivers. At their heart is a superb 100mm midrange unit made from a strong Aluminium alloy that remains pistonic well above the crossover point of 3 kHz. This results in very low distortion through the critical midband region allowing these vital frequencies to come through crystal clear and without the hardness or muddle of most loudspeakers in this region so you will hear all the nuances of the musicians playing. And the new midrange driver has a very big magnet and underhung voice coil that allows it to have large linear excursion at its bottom end enabling it to join very effectively in the upper-bass with the subwoofer.

For the bass unit we have chosen a bass unit recently developed by a renowned Norwegian manufacturer and built like the proverbial tank, weighing in at over 10 kg! Combined with a rigid die-cast Al support structure the unit has a very stiff Aluminium cone that also allows it to remain pistonic and so with very low distortion up to its crossover to the midrange unit at 200 Hz. The bass unit has a large 56 mm 4-layer voice-coil that combined with the massive 2.5 kg magnet system gives extraordinary grip, resulting in very tight bass notes. And its very large surround allows for 56 mm of cone travel allowing the bass to also go very loud and deep.

The tweeter is made from high strength Magnesium alloy coated on each side with very hard ceramic. It has very low distortion – giving the great clarity in the treble, and not with 3 tea-spoons of sweetness as some other tweeters do that makes everything sound the same but not as it was played and recorded.

More recently we replaced the ‘passive’ Xover version of the Big Reds by a completely ‘active’ version where built-in Hypex Ncore amplifiers are connected directly to each driver, bringing your music even more ‘alive’. The bass/sub is connected to a built-in 500W Ncore amplifier to give great bass depth and power but also detail and texture; while the mid and treble are connected to a built-in 125 W Ncore amps to give extraordinarily low distortion and clarity. That’s 750W per speaker or 1500W in total!

Each driver amplifier is connected by balanced XLR leads to a DEQX preamp/processor that separates out (crossovers) the bass, mid and treble signals in the digital domain where it can be done much more accurately, and with steeper slopes while retaining minimum phase distortion, than in the analog domain by ‘passive’ crossover filters. In addition we measure each driver with a very high quality microphone using the DEQX processor and it also corrects for any remaining frequencies and phase non-linearities.

The final output from the BRAs is therefore extraordinarily accurate in both frequency and phase. The former leads to very natural tonal balance of all instruments, including voices; while the latter results in incredible speed and timing of your music plus superb imaging, both lateral and in depth.

However, the overall sound quality is also affected by your room. At various frequencies/wavelengths depending on room dimensions sound can resonate to form ‘standing waves’ that can give 10 dB or more of non-linearity at your ears. Although these standing waves should be reduced as much as possible by physical means (dispersion and adsorption) the DEQX processor can also help correct for them by measuring and applying inverse corrections, We will help you do this during set-up of your Big Red Actives.

Finally is should be noted that the DEQX units are also an extremely good pre-amps with volume control as well as 4 inputs, 2 analog and 2 digital. So given the power amplifiers are built-in to the BRAs, all you have to do is connect your music sources to the inputs of the DEQX unit to have a complete audio system. And one with extraordinary clarity and fidelity/faithfulness to your music. Just like being there!

An excellent review of the BRAs is published on SoundStage Australia – for full review please click here.  These are some quotes:

All that low distortion adherence by the designer’s engineering philosophy and driver choice has no option but to reflect on the ultimate sound………(it)  has a quickness and startling attack in terms of both transient information and overall dynamic expression. And obviously notable is the extraordinary low level resolution of nuance and micro-dynamics. The old cliché of ‘seeing into the recording’ most resoundingly applies here.”

The Neil Crowley Trio’s “Skies are rare” for the band’s The Face of Mount Molehill release features a mellow piano theme accented with powerful full band crescendo’s peppered throughout the song in a swelling and ebbing flow. The BRAs were equally subtle in the tonal and harmonic recreation of hammer on string and vicious in the handling of the powerful drum attacks. The bass notes were delineated against the musical onslaught and defined in terms of detail.

(Further) with the DEQX’s and Legend Acoustics strict adherence to phase accuracy, the net results were clearly observed in the BRAs’ large soundstage reproduction, both laterally and in terms of depth, with precise image placement and focus.

 

Free Shipping Information

We offer free shipping to metropolitan areas on all orders over $100, except for orders containing the following products:

Televisions, Floorstanding speakers, Subwoofers and Package systems.

Shipping on these items will be standard delivery. If you want expedited shipping, an option should be available at checkout.

We try to dispatch all goods within 48 hours however from time to time the stock in store runs out before we have a chance to update the website. In these cases we will contact you if the item will take longer than 48 hours to be dispatched.

We strongly suggest that items are shipped to a business address, or an address where someone can sign for the delivery. On checkout you have the option of choosing Authoirty to Leave. This will not require a signature, but goods will be left at your premise and the delivery company will take no responsibility for them beyond this point.

Delivery times can vary depending on location. Regional areas may take more than 5 business days depending on the courier used.

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