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3
Specications
Model
R152-S R16-S R165-S R1675-S R1T-S
Nominal Diameter
5.25”
(133mm)
6”
(153mm)
6.5”
(165mm)
6.75”
(171.5mm)
1.0”
(25mm)
Description 2-Way 2-Way 2-Way 2-Way Tweeter
Nominal Impedance 4Ω 4Ω 4Ω 4Ω 4Ω
Frequency Response 58-20kHz 60-20kHz 60-20kHz 55-20kHz 2.5kHz-22kHz
Voice Coil Diameter
1.0”
(25.4mm)
1.0”
(25.4mm)
1.0”
(25.4mm)
1.0”
(25.4mm)
0.5”
(13.0mm)
Power Rating
(RMS/Peak)
40W / 80W 40W / 80W 40W / 80W 40W / 80W 40W / 80W
Fs - Free Air Resonance 72 Hz 65 Hz 65 Hz 59 Hz 2.6 kHz
Qts 0.94 0.75 0.75 0.70 N/A
Vas
0.22 ft
3
(5.8L)
0.23 ft
3
(6.7L)
0.23 ft
3
(6.7L)
0.21 ft
3
(6.1L)
N/A
Sensitivity (1W/1M) 85dB 89dB 89dB 89dB 72.5dB
Sensitivity (2.83V/1M) 88dB 92dB 92dB 92dB 75.5dB
Xmax
0.07”
(1.7mm)
0.12”
(3.0mm)
0.12”
(3.0mm)
0.20”
(5.2mm)
N/A
Mounting Diameter
4.76”
(121.0mm)
5.05”
(124.0mm)
5.05”
(124.0mm)
5.81”
(147.5mm)
1.83”
(46.4mm)
Mounting Depth
1.91”
(48.5mm)
1.97”
(50.1mm)
1.97”
(50.1mm)
2.00”
(51.2mm)
0.76”
(19.4mm)
Grille/Trim Ring YES YES YES YES YES
Adaptor Plate NO NO NO NO NO
See pages 4-5 for additional dimensions
CEA 2006
Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean
your amplifier’s output power ratings are REAL POWER numbers, not inflated marketing ratings.
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