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12
Russound In-ceiling Loudspeaker Installation Manual
technIcAl SPecIfIcAtIonS
Model: 7C51
Description:
2-way In-ceiling 15° Twist & Tilt Loudspeaker Pair
Woofer:
5.25" (13.3 cm) Vacuum Formed Polypropylene
Tweeter:
Pivoting 0.5" (1.3 cm) Polyamide
Cutout:
6.75" (17.1 cm) diameter
Mounting Depth:
4.5" (11.4 cm)
Dimensions:
8.25" (21 cm) diameter
Terminals:
Spring terminals
Grille:
Aluminum
Recommended Power:
10 - 75 watts
Sensitivity:
87.5 dB SPL (2.83V @ 1m)
Frequency Response:
58 Hz - 18 kHz ± 3 dB
Frequency Range:
45 Hz - 18 kHz -6/+3 dB
Nominal Impedance:
6 ohms
Unit Weight:
2.5 lbs (1.1 kg)
Model:
7C57
Description:
2-way In-ceiling 15° Twist & Tilt Loudspeaker Pair
Woofer:
5.25" (13.3 cm) Woven Yellow Kevlar
Tweeter:
Pivoting 1" (25 mm) Aluminum/Magnesium Alloy
Cutout:
6.75" (17.1 cm) diameter
Mounting Depth:
4.5" (11.4 cm)
Dimensions:
8.25" (21 cm) diameter
Terminals:
Nickel Plated binding post
Grille:
Aluminum
Basket:
Cast Aluminum
Recommended Power:
10 - 125 watts
Sensitivity:
88 dB SPL (2.83V @ 1m)
Frequency Response:
57 Hz - 27 kHz ± 3 dB
Frequency Range:
47 Hz - 27 kHz -6/+3 dB
Frequency Adjustment:
Treble and Bass switches
Nominal Impedance:
4/5/6 ohms
Unit Weight:
3.32 lbs (1.5 kg)
Model:
7C72
Description:
2-way In-ceiling 15° Twist & Tilt Loudspeaker Pair
Woofer:
7" (17.8 cm) Vacuum Formed Polypropylene
Tweeter:
Pivoting 1" (25 mm) Silk
Cutout:
8.375" (21.3 cm) diameter
Mounting Depth:
4.5" (11.4 cm)
Dimensions:
9.75" (24.8 cm) diameter
Terminals:
Spring terminals
Grille:
Aluminum
Recommended Power:
10 - 85 watts
Sensitivity:
91 dB SPL (2.83V @ 1m)
Frequency Response:
50 Hz - 18 kHz ± 3 dB
Frequency Range:
38 Hz - 18 kHz -6/+3 dB
Nominal Impedance:
6 ohms
Unit Weight:
3.26 lbs (1.5 kg)
Model:
7C74
Description:
2-way In-ceiling 15° Twist & Tilt Loudspeaker Pair
Woofer:
7" (17.8 cm) IMPP with Kevlar Fibers
Tweeter:
Pivoting 1" (25 mm) Silk
Cutout:
8.375" (21.3 cm) diameter
Mounting Depth:
4.5" (11.4 cm)
Dimensions:
9.75" (24.8 cm) diameter
Terminals:
Spring terminals
Grille:
Aluminum
Recommended Power:
10 - 100 watts
Sensitivity:
90 dB SPL (2.83V @ 1m)
Frequency Response:
44 Hz - 20 kHz ± 3 dB
Frequency Range:
34 Hz - 20 kHz -6/+3 dB
Nominal Impedance:
6 ohms
Unit Weight:
4.1 lbs (1.9 kg)