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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





Spica TC-50


The TC-50 is a decaptively simple two-way loudspeaker based on a 6-1/2 inch acoustically suspended woofer and a 1 inch dome type tweeter. Its crossover network is truly state-of-the-art., in parts quality, circuit layout and, of course, design. The compact speaker is the result of exhaustive research and the latest technology in computer assisted optimization.

As a music lover, you need not be concerned with woofers, tweeters, crossovers or computers. All you have to do, to really appreciate the TC-50's  advanced design, is go to yoour nearest Spica dealer and listen.

Specifications
Magnitude Response:  the TC-50 exhibits excellent tonal balance. No external equalization is required.
Phase:  Phase response is the most talked about, but least understood consideration in speakers. Simply put, the phase response shows how well a speaker can preserve complex timinng relationships when reproducing music.

System Type:  Sealed box
System Resonance:  56 Hz, total Q .78
Freqiency Rsponse:  60 Hz - 17 kHz (-3 dB)
Woofer:  6,5 " treated paper cone
Tweeter:  1" impregnated cloth dome
Woofer Crossover:  4th order bessel response
Tweeter Crossover:  Computer deriver, approx. 1st order response
Input Impedance:  4 ohms nominal, minimum 3,6 ohms at 4 kHz
Polarity:  both drivers positive
Sensitivity:  84 dB at 1 watt/1 meter
Power Handling:  50 watts continuous  program, 100 watts peak
Dimensions (W x H x D):  330 x 394 x 295 mm (13" x 15,5" x 11,6")
Weight (Net):  9,07 kg (20 lbs)
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