Niles Audio OS7.3 - Manual (Page 20)

18
SPECIFICATIONS
OS 7.3 Loudspeaker
Driver Complement
• 7" mica-filled polypropylene
woofer
• 1" Ultrasilk dome tweeter
with fluid cooling
Recommended
amplifier Power
5 to 150 watts per channel
nominal Impedance
8 ohms
Frequency Response
65 Hz to 21 kHz, +/- 3 dB
Sensitivity
91 dB with 2.83 V pink noise
input, measured at 1 meter
on axis
Wiring Requirements
We recommend using 16- to
18-gauge speaker wire
for runs up to 80 feet and
14-gauge speaker wire for
runs up to 200 feet. The
connectors will accommodate
12- to 22-gauge wire.
Dimensions (Loudspeaker
with U-Bracket)
8-3/16" Wide x 14-1/2" High
x 9-3/16" Deep
Weight (Loudspeaker and
Bracket)
18 lb per pair (8.1 Kg)
OS 6.3 Loudspeaker
Driver Complement
• 6" mica-filled polypropylene
woofer
• 1" Ultrasilk dome tweeter
with fluid cooling
Recommended
amplifier Power
5 to 125 watts per channel
nominal Impedance
8 ohms
Frequency Response
75 Hz to 21 kHz, +/- 3 dB
Sensitivity
90 dB with 2.83 V pink noise
input, measured at 1 meter
on axis
Wiring Requirements
We recommend using 16- to
18-gauge speaker wire
for runs up to 80 feet and
14-gauge speaker wire for
runs up to 200 feet. The
connectors will accommodate
12- to 22-gauge wire.
Dimensions (Loudspeaker
with U-Bracket)
7-7/16" Wide x 12" High
x 7-3/4" Deep
Weight (Loudspeaker and
Bracket)
15 lb per pair (6.8 Kg)
OS 5.3 Loudspeaker
Driver Complement
• 5" mica-filled polypropylene
woofer
• 1" Ultrasilk dome tweeter
with fluid cooling
Recommended
amplifier Power
5 to 100 watts per channel
nominal Impedance
8 ohms
Frequency Response
100 Hz to 21 kHz, +/- 3 dB
Sensitivity
90 dB with 2.83 V pink noise
input, measured at 1 meter
on axis
Wiring Requirements
We recommend using 16- to
18-gauge speaker wire
for runs up to 80 feet and
14-gauge speaker wire for
runs up to 200 feet. The
connectors will accommodate
12- to 22-gauge wire.
Dimensions (Loudspeaker
with U-Bracket)
6-1/4" Wide x 9-7/8" High
x 6-3/4" Deep
Weight (Loudspeaker and
Bracket)
11 lb per pair (5 Kg)