1. Introduction

Thank you for purchasing Tannoy B475.

The Tannoy B475 is an 18” direct radiating bass loudspeaker system, designed for high definition sound reinforcement at low and ultra-low frequencies. It will extend the power bandwidth of Tannoy i/T range mid/high sound reinforcement systems to below 30Hz, making it ideal for effects in club, theatre and concert sound applications, with ultra-low frequency enhancement and increased system headroom.

The B475 is intended for use on the ground and can also be close stacked, while the main system is flown. This powerful loudspeaker is capable of delivering high sound pressure levels with extremely low distortion while maintaining a uniform frequency response throughout its dynamic range. This makes the speakers capable of consistent intelligibility and tonal quality at any listening level.

The B475 comprises 1 × 18” high efficiency bass units housed in a heavily braced optimally vented enclosure. Ruggedly constructed from multiple-ply hardwood, the B475 features carrying handles, along with convenient flying points and a pole mount socket for ground-stacked applications.

2. Unpacking

Every Tannoy B475 product is carefully inspected before packing. After unpacking your loudspeakers, please inspect for any exterior physical damage, and save the carton and any relevant packaging materials in case the loudspeaker again requires packing and shipping. In the event that damage has been sustained in transit notify your dealer immediately.

3. Connectors/Cabling

The B475 is fitted with two 4-pole Speakon™ connectors. Speakon™ has the following advantages over EP and XLR type connectors: All terminations are solderless; this makes life easier at the time of installation or when field servicing is required. Contacts will accept 6 sq. mm wire with an outside diameter of up to 15 mm and a current rating of 30 Amps.

The pins of the two Speakon™ sockets, marked input/output on the rear of the input panel, are paralleled within the enclosure.

Tannoy has adopted the following wiring standard for B475: -

SPEAKON™

SIGNAL

CONNECTOR

 

Pin 1+

Positive

Pin 1-

Negative

Should you encounter any problems obtaining Speakon™ connectors, please contact Neutrik or its distributors on the following numbers: -

UK:

NEUTRIK MARKETING:

01983 811 441

USA:

NEUTRIK USA INC.:

+1 732 901 9488

For a worldwide list of distributors, please contact Neutrik directly on: -

NEUTRIK AG:

+423 237 2424

or visit their website at: http://www.neutrik.com/

Cable choice consists mainly of selecting the correct cross sectional area in relation to the cable length and the load impedance. A small cross sectional area would increase the cables series resistance, inducing power loss and response variations (damping factor).

Connectors should be wired with a minimum of 2.5 sq. mm (12 gauge) cable. This will be perfectly satisfactory under normal conditions. In the case of very long cable runs the wire size should exceed this, refer to the following table for guidance: -

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Tannoy B475 user manual Introduction, Unpacking, Connectors/Cabling, Positive, Negative

B475 specifications

The Tannoy B475 is a high-performance loudspeaker that showcases the brand's commitment to excellence in sound reproduction. Designed primarily for professional audio applications, the B475 embodies a rich heritage of audio engineering, making it an ideal choice for musicians, sound engineers, and event organizers who demand clarity and power.

One of the defining features of the B475 is its robust construction. Built to withstand the rigors of touring and live performances, the cabinet is crafted from high-quality materials that ensure durability without compromising sound quality. The enclosure is designed to minimize resonances, allowing the speaker to deliver a clean and accurate sound across a wide frequency range.

At the heart of the B475 is Tannoy's proprietary Dual Concentric driver technology. This innovative design integrates the woofer and tweeter into a single point source, providing a coherent sound that enhances the listener's experience. The Dual Concentric design ensures that high and low frequencies are produced from the same location, resulting in improved phase coherence and a more natural soundstage.

Another significant aspect of the B475 is its exceptional power handling capabilities. With a high sensitivity rating, the speaker can efficiently convert input power into sound output, allowing it to deliver impressive levels of volume without distortion. This makes the B475 suitable for large venues where high sound pressure levels are required.

The B475 also features advanced crossover networks that are finely tuned to optimize performance across various frequencies. These crossovers ensure that each driver operates within its optimal range, resulting in a smooth frequency response and precise imaging. The use of high-quality components in the crossover design further enhances the overall sound quality.

Versatility is another hallmark of the Tannoy B475. It can be used in a variety of setups, whether as a standalone speaker, part of a larger PA system, or in combination with subwoofers for enhanced low-end response. With multiple input options, including XLR and 1/4-inch jacks, the B475 can easily integrate into different audio systems.

In summary, the Tannoy B475 stands out as a powerful and versatile loudspeaker, thanks to its rugged build, innovative Dual Concentric driver technology, and robust performance characteristics. Whether used for live sound reinforcement or studio monitoring, the B475 delivers audio quality that truly reflects Tannoy's legacy of excellence in the world of professional audio.