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





Philips Spectron SP-30 loudspeakers

Philips, the company synonymous world-wide with precision audio, proudly presents the Spectron Sp-30 , two-way acoustic suspension speaker system, designed in North America to meet North American testes but engineered to Philips Internationally famous standard of excellence.

Assembled exclusively from Philips engineered components, the SP-30 takes over where the other two-way systems leave off. With the Spectron line, you know that every element has been designed to be compatible with every other element. The clarity of SP-30 takes on all comers.

Features:

Rugged wide-range woofer - Philips patented Feroxdure ferrite magnet and an all-aluminum voice coil

Special acoustically isolated tweeter - 1" dome design, the drive a full 1" copper wire-wound voice coil and Feroxdure magnet

Exceptional new crossover network - Orthodox crossover networks employ a ferrite magnetic core

High frequency control switch

Furniture quality construction - like solid 3/4 chipboard core that ends unwanted resonances.

 


Specifications

Speakers

Woofer :  8" cone-type

Tweeter :  1" dome-type

Power Handling Capacity:  40 watts (RMS); 80 watts (peak power)

Impedance:  8

Efficiency:  96 dB at 4 watts  (1 metre , T.H.D. 1,0%)

Frequency Response :  40 - 20,000 Hz

Crossover Frequency:  1800 Hz

Crossover network:  2-way 12 dB/octave parallel type

Fuse Type:  fast blow protection

Dimensions (H x W x D):  20" x 11,5" x 9"

Weight:  35 lbs


 

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