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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





B&W DM 330i


Bowers and Wilkins DM330i
Stand-mount/Bookshelf loudspeaker system
Product Summary
The DM330i is a 2 1/2-way closed-box stand mount/bookshelf loudspeaker system.
Super sensitive, with high acoustical output yet affordable.
Technical highlights
Modal analysis techniques revealed a simple bonding technique of corner joints could improve rigidity and reduce coloration.
New thinking on crossover design has also led to the provision of higher safe power handling and fuse protection overload.
The driver chassis have non-magnetised castings for all the bass midrange units ensuring resonance free high-level sound of the highest amplitude.

Specifications:
Drive Units:
1 x 26 mm high-frequency driver with dome/coil construction of special polymide material
2 x 200 mm nominal piston dia and 26mm high temperature voice coil with critically impregnated composite short fibre cone
Frequency Response:   48 Hz to 20 kHz (± 3dB)
Sensitivity:  91 dB spl (2.83V, 1m)
Power Handling:  10W – 100W
Dimensions (H x W xD):  857 X 290x 320 mm
Finish:  American Walnut or Black Ash vinyl

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