British proposals for new 4 ch surround in Windows

 2 new products that go well together !

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The Tannoy Gold 5 is interesting for music playback with 4 speakers in the latest Microsoft configuration.


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This configuration is available on a PC with analog output for multi-channel audio. The new solutions of the British Tannoy in this Microsoft configuration have also worked well for the playback of digital recordings from quadraphonic vinyl records in the SQ and QS systems
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200 Watt Bi-Amplified Nearfield Studio Reference Monitor with Proprietary 5" Dual Concentric Point Source Technology https://www.tannoy.com/product.html?modelCode=P0C2B
  • It measures 294 x 183 x 252 mm, which is the height of an A4 sheet, and becomes almost invisible in the living room.
  • The total power of 4 x 200 W allows you to play music even in a very large room without amplifiers distortion.
  • It has a stereo mini jack that has the function of "transmitting the signal" to the next speaker, which makes installation from a PC very easy.
  • There is also an eco-friendly auto "sleep" feature, which is beneficial with increasing energy costs.
  • 200 watts gives SPL 107 dB
Class-AB system with transducer-matched LF and HF bi-amplification for accurate dynamics

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Why Class-AB? The duty of any amplifier is to take a small input signal and turn it into a louder output that maintains the characteristics of the original signal, and to be large enough to meet the demands of the loudspeaker it drives. While Class-A amplifiers sound great at low volumes, they waste a tremendous amount of power that is lost as heat when asked to output hundreds of Watts. And even though Class-B amplifiers are much more efficient, they tend to bring a great deal of distortion to the mix. A Class-AB amplifier combines the linear performance of Class-A with the higher efficiency performance of Class-B, producing a much better amplifier design for loudspeakers used in critical listening environments.
4-channel music playback is more precise with Dual Concentric

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Discrete driver speaker systems using non-coaxial sources have an inherent design flaw in that each drive unit is an acoustic source of its own. While the components are physically aligned on one axis, they are displaced in source and can only be coherent at one specific listening point. When delays are applied to compensate for driver alignment, signals can only be aligned along a narow listening plane on one axis. Even systems with ratatable horns suffer from a significant 'suck-out' in the crossover region, and no amount of DSP processing can correct this phenomenon. The constant directivity characteristic of the Dual Concentric overcomes such time alignment problems
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Dual Concentric was offered in the 1940s and is constantly being improved

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Tannoy has produced coaxial loudspeakers, for the hi fidelity home consumer market since the early 1950s. Their "Dual Concentric" drivers early series included in order of introduction: Tannoy Blacks, Tannoy Reds, and Tannoy Golds. https://en.wikipedia.org/wiki/Coaxial_l ... Home_audio
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The Litle Gold Monitor model appeared in the golden age of hi-fi with the reigning compact cassette. They had a passive crossover and are still used by manufacturers of high-end amplifiers as a reference. Now it has served as a model for the modern active crossover range.

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Tannoy Ltd is a British manufacturer of loudspeakers and public address (PA) systems. The company was founded by Guy Fountain in London, England, as Tulsemere Manufacturing Company in 1926". https://en.wikipedia.org/wiki/Tannoy
In Britain any PA system is sometimes colloquially referred to as a Tannoy, after the company of that name, now owned by TC Electronic Group, which supplied many of the PA systems used previously in Britain https://en.wikipedia.org/wiki/Public_address_system
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There also 2 larger models with a 300 watt amplifiers for a 6.5 and 8 inch Dual Concentric

300 watts in Tannoy Gold gives SPL 110 dB

4x 300 watts is enough for even a large room

Frequency response:

GOLD 7: 65 Hz – 20 kHz ± 3 dB; 46 Hz – 20 kHz -10 dB https://www.tannoy.com/product.html?modelCode=P0CMZ

GOLD 8:
54 Hz – 20 kHz ± 3 dB; 40 Hz – 20 kHz -10 dB https://www.tannoy.com/product.html?modelCode=P0C2C
 
 


The small size of Tannoy Gold makes it an attractive alternative to playing music in DVD movies with 5.1 surround sound in the new Microsoft configuration.

It worked also well with the Metropolitan Opera's broadcasts during the pandemic
 
 
 

 Quadraphonic vinyl records in the SQ and QS systems

 
Orthodox reproduction of analog quadraphony requires a decoder which is currently difficult to buy. It is equipment from the 70s of the last century and has a relatively high level of noise (S/N) and distortion.(THD, TIM, DIM)
 
The modern SQ tube decoder with power amplifiers was recently produced in Poland by Muarah and cost about 5,000 €

SQ and QS quadraphonic vinyl records can be digitally recorded like standard stereo and played with the Microsoft setting for 4 speaker surround sound in Windows.

CD-4 discs require recording to 4 digital channels. Equipment for this is now very rare and the same is with such vinyl records.
 

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