SpECIFICATIONS
18
OS6.3Si Loudspeaker
Driver Complement
•6"summingwoofer
•Twoindependent1"Ultrasilkdometweeters
with fluid cooling
Recommended Amplifier Power
5 to 125 watts per channel
Nominal Impedance
8 ohm per channel, wired in stereo or 4 ohm
with both channels wired together
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)
8-3/16" wide x 13-5/16" high x 9-3/16" deep
(20.79 cm wide x 33.81 cm high x
23.33 cm deep)
Weight (Loudspeaker and Bracket)
11 lb (5 Kg)
OS5.3Si Loudspeaker
Driver Complement
•5"summingwoofer
•Twoindependent1"Ultrasilkdometweeters
with fluid cooling
Recommended Amplifier Power
5 to 100 watts per channel
Nominal Impedance
8 ohm per channel, wired in stereo or 4 ohm
with both channels wired together
Frequency Response
85 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
(18.89 cm wide x 30.48 cm high x
19.68 cm deep)
Weight (Loudspeaker and Bracket)
9 lb (4 Kg)
