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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.



H.H. Scott '59





Castle Keep speaker

The Castle Keep answers the demand for a high quality, centre channel speaker designed for the modern, multi-channel home cinema system. Centre channel speakers are commonly designed down to a price. This can mean poor cosmetic design and often wore acoustic performance. The Keep is a notable exception.

Employing the same quality 130 mm cast chassis bass drivers developed for the award-winning Castle Harlech, the Keep is finished in the true Castle tradition with quality wood veneers. Treble - vital to the transparency and dynamics demanded of a centre channel speaker handling dialogue - is handled by the castle 25 mm short horn loaded polyamide tweeter. Bass reflex loading guarantees sensitivity equal to the dynamics of modern digital soundtrack while the use of the Castle tweeter gives a wide and even treble dispersion.

 

Bass drivers are fully shielded to avoid interference with TV monitors.

The Keep is, of course, AC-3 (Dolby Digital) compatible. With the Castle keep, home cinema need not be a sound quality compromise.

 


Specification

System Type:  twin port Reflex

Frequency Response:  65 Hz - 20,000 Hz

Nominal Impedance:  8 Ω

Sensitivity:  89 dB 1W/1m

Amplifier Requirements:  25 - 130 watts

Bass Unit:  Twin 130 mm in a cast chassis with injection moulded cone

Treble Unit:  25 mm composite soft dome

Dimensions (W x H x D):  170 x 47,5 x 280 mm

Weight:  10,5 (packed)


 

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