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Castle Acoustics has been a loudspeaker manufacturer in the truest possible sense since 1973, with both design and manufacture of their world famous speakers housed entirely in one factory.

Taking it's name and logo from the 11th century Skipton Castle, Castle Acoustics was founded in Yorkshire, UK - a rare manufacturer not only making the drive units and electronic components, but also the beautifully hand crafted real wood veneers used to enclose them.

The brand was formed with the founding concept of being a complete loudspeaker manufacturer and despite changing times and the globalisation of manufacturing, Castle maintains the same principle as the basis for the company.


The drive units form the heart of any speaker system, and their quality is key to its sonic capability. Our drivers are developed to the highest standards, often featuring new and innovative technology.

Most of the bass units in our range feature cones made from woven carbon fibre, a light yet exceptionally stiff material with good internal damping. Our voice coil formers have exceptional power handling ability, while we also use innovative magnet assemblies with the highest quality copper and aluminium wire.

 

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This means a far more linear motion is maintained, improving accuracy and dynamics, while reducing distortion, the latter results in a reduction of the moving mass of the driver, a vital parameter in producing speakers capable of maximising the impact of modern source components and program material.

We have also designed our tweeters to match the sonic performance of our bass units and so to enhance all musical accuracy of all Castle loudspeakers. They offer extended and substantially flat response characteristics with very low distortion and are married with bass units through crossovers built with the highest quality components


All Castle loudspeakers are available in a combination of seven alternative real wood veneer choices, to beautifully complement any modern living space.

All of Castle's veneers are carefully selected by our team of experienced staff, some of whom have more than thirty years of expertise in selecting the right veneer for each application.

 

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Each leaf of veneer is selected by eye to suit the size of cabinet and each pair of cabinet is manufactured in mirror-image-matched pairs, even the black ash ones.  Castle selects the finest crown cut quality veneers from around the world and whenever possible, from properly managed forest resources.


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Veneer sections are glued to individual panels and then held under high pressure in purpose built clamps for the glue to dry naturally over 48 hours. On completion, each cabinet is hand-sanded and varnished to perfection, with quality and consistency of the finish checked every step of the way.


Finish Options


While our loudspeakers are visually stunning, the speaker cabinet plays an equal part in it's high performance sound.

Our engineers work hard to develop unique acoustic properties of the cabinets as well as the drivers themselves. In-house manufacture gives us the major advantage of being able to develop cabinets and drivers in tandem, and carry out fundamental research into the interactions between the drivers, crossovers and the cabinet. Our integrated design approach gives us the further benefit that systems can avoid complex crossovers. It is widely understood that fewer, high quality components in a simple crossover network give a cleaner sound.

Here we can see an illustration of a Castle Knight speaker, which utilises a unique approach to transmission-line loudspeaker design. Using twin pipe technology and using the cabinets internal volume, bass response is extended diminishing the need to use unruly reflex ports.

In most loudspeaker designs room modes are easily excited by forward or rear facing ports, resulting in a 'boomy' sound. This twin pipe system instead couples the bass response within the cabinet enclosure using a twin-pipe quarter wave design for a smooth and even bass response.


The Avon 5 is a loudspeaker that challenges all others with its dry, yet deep bass and super clean treble
— Hi-Fi World, 5 Globe Award, October 2015
 

Whether it is our superb hand finished real wood veneered cabinets, available in seven alternative choices, or our state of the art driver development that first attracted you to Castle, our attention to detail in all stages of manufacturing results in a loudspeaker which is beautiful, both to the eye and to the ear.