Bogen R8 Manual de Usario

Bogen Vocero R8

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Models R6/R6T and R8/R8T
LANDSCAPE LOUDSPEAKERS
OWNER’S GUIDE
R6/R6T
R8/R8T
54-2038-01R3 0205
LOW FREQUENCY OUTPUT
NEAR ROCK loudspeakers are engineered to deliver ample bass output in open areas. However,
bass output will increase if the speakers are placed near a reflecting surface (such as a wall).
UNDERPOWERING VS. OVERPOWERING
Most speaker damage is caused by amplifiers with power. An overdriven amp sendstoo little
clipping distortion to the speakers. Clipping is usually audible; it may vary from a harsh sound to
a fuzzy or blurry sound. If you hear clipping at loud volume levels, turn down the volume until the
distortion is no longer present. Damage caused by operating the speakers at distorted volume
levels is not covered by the warranty.
MAINTENANCE
Speaker cabinets can be wiped clean or even hosed off. Although NEAR ROCKCAUTION:
speakers are waterproof, avoid spraying high-pressure water directly into the speaker grilles.
SPEAKER PLACEMENT
NEAR ROCK loudspeakers are designed to be placed on the ground, with the grille facing the
listening area. The speaker drivers are angled upward to provide proper vertical sound dispersion
for listeners standing 10 feet or more away. Sound coverage in the horizontal plane is 100º. Keep
this angle in mind when positioning the speakers for stereo reproduction. Too great a distance
between any 2 speakers will create a dead spot in the coverage. When in doubt, use additional
speakers to ensure adequate coverage.
VERTICAL
SOUND
DISPERSION
(45 DEGREES)
HORIZONTAL
SOUND
DISPERSION
(100 DEGREES)
10 FEET
REFLECTING SURFACES INCREASE BASS OUTPUT
NEAR LROCK ANDSCAPE LOUDSPEAKERS
P.O. Box 575, Ramsey, NJ 07446 U.S.A.
tel 201-934-8500 •fax 201-934-9832
e-mail: nearspeakers@bogen.com •www.nearspeakers.com
SPECIFICATIONS
NEAR®TECHNOLOGIES
MODEL NUMBER
MID/BASS DRIVER
TWEETER
FREQUENCY RESPONSE
NOMINAL IMPEDANCE
MAXIMUM POWER
SENSITIVITY (1W @ 1M)
SOUND DISPERSION
DIMENSIONS (in / cm)
WEIGHT (lbs / kg)
R6 /R6T
6" MDT™
1-1/8" inverted-dome
75Hz – 20kHz
R6: 8Ω
R6T: 70V
R6: 100W @ 8Ω
R6T: 32W @ 70V
88dB
Horiz - 100˚, Vert - 45˚
(in.) 18 W x 14 D x 10 H
(cm) 46 W x 36 D x 25 H
R6: 35 lbs; 15.9 kg
R6T: 37 lbs; 16.8 kg
R8 /R8T
8" MDT™
1-1/8" inverted-dome
60Hz – 20kHz
R8: 8Ω
R8T: 70V
R8: 175W @ 8Ω
R8T: 64W @ 70V
90dB
Horiz - 100˚, Vert - 45˚
(in.) 23 W x 15 D x 16 H
(cm) 58 W x 38 D x 41 H
R8: 64 lbs; 29.1 kg
R8T: 67 lbs; 30.4 kg
NEAR’s exclusive MDT™ metal-alloy diaphragm is about as light as is physically possible – nearly the ideal
massless piston. The benefits are immediately recognized in the musical accuracy, fine detail of sound,
and ease of listening. Here is a summary of MDT benefits:
• and High rigidity low mass of metal versus traditional papers and plastics
• Extremely stable cone structure over long periods of time
• Fast transmission of sound through the diaphragm means low energy storage
• Special anodizing process creates a ceramic coating for increased stiffness
• Efficient heat-sinking of voice coils under long-term, high-power situations
In addition to MDT, another unique technology is incorporated into NEAR speakers: Magnetic Liquid
Suspension (MLS™). MLS eliminates the traditional mechanical centering device (the “spider”) for the
voice coil and replaces it with a magnetic fluid that remains in the gap of thepermanently suspended
magnet, allowing the voice coil to stay centered and to operate with extreme linearity. In fact, the louder it
plays, the more accurate the centering forces become. Here is a summary of MLS benefits:
• Voice coil is constantly centered as it moves up and down, for lower distortion
• Voice coil is more efficiently heat-sinked by fluid instead of air
• Dual-layer voice coil with separate inner and outer windings reduces distortion at high output levels
• Greater linearity is accomplished because the mechanical spider is eliminated
• Constant lubrication of the gap from outdoor useprevents oxidation
• Long-term operation is more consistent since fluid doesn't change characteristics
• Longer excursions with smaller diameter woofers; spiders limit excursions
Specifications are subject to change without notice. ©2000 Bogen Communications, Inc.

Especificaciones del producto

Marca: Bogen
Categoría: Vocero
Modelo: R8

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