Niles Audio OS6.3 OS 7.3 Loudspeaker, OS 6.3 Loudspeaker, OS 5.3 Loudspeaker, Specifications

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)

18