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





Infinity Reference 31i


Infinity Reference 31 i
The floor-standing Reference Series utilizes spikes for optimum decoupling from the floor, resulting in tighter bass and more detailed midrange. Based on the same 210 mm woofer and 25 mm tweeter as the Reference 21 i, the Reference 31 i exploits its larger cabinet volume to achieve higher levels of bass at still lower frequencies for an even more natural sounding, more solid deep bass foundation.
The specially shaped grille and tapered top and sides of the enclosure eliminate diffraction which could otherwise muddy or blur the aural image.
The Reference 31 i handles low level microdynamics and the most explosive passages with consummate ease.
Note: Include spiked feet.

 Reference Series incorporates:
Space-age APG driver technology with carbon and Kevlar fibers.
Super-light cones for improved sensitivity.
Low insertion loss crossovers for improved transient response.
Increased internal volume for extended deep bass response.
Rear-mounted port for undistorted bass response.
Crossover optimized for uniform phase response both on and off axis.
Internal bracing for reduced resonance.
Strategically placed internal damping to eliminate standing waves.
Sloped cabinet for reduced diffraction.
Redesigned grille for optimum vertical and horizontal dispersion.
Spikes for decoupling of floor-standing models.
Finest furniture craftsmanship. Sleeker, slimmer enclosure design.
Specifications:
Model:  Reference 31i
Frequency Response: 41 Hz - 25,000 Hz, (±3 dB)
Crossover:  3,0 kHz
Sensitivity (2,83 V / 1m):  91 dB
Nominall Impedance:  6 Ω
Power Handling:  15 - 100 watts
DRIVERS:
High Frequency:  Tweeter  25 mm
Mid Frequency:  No
Low Frequency:  Woofer 210 mm
Vinyl Cabinet Finish:  Chatsworth Oak/ Black Ash
Dimensions (HxWxD):   840 x 274 x 246 mm

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