C7-100ct:
Specifications and Crossover Setting Guidelines
C7-100ct SPECIFICATIONS
Speaker Type: Component Tweeter
Nominal Diameter: 1 in. (25 mm)
Nominal Impedance (Znom): 4 ohms
Continuous Power Handling: 100W
Recommended Amplifier Power: 50-150W (RMS)
Net Weight: 0.25 lbs. (110 kg)
Parameters:
Voice Coil Resistance (Re): 3.20 ohms
Free Air Resonance (Fs): 1450 Hz
Reference Efficiency (no): 0.267%
Efficiency: 86.5 dB @ 1W/1m | 92.5 dB @ 1W/0.5m
Sensitivity: 89.5 dB @ 2.83V/1m
Design Bandwidth:
With 48 dB/octave filters: 3 kHz - 30 kHz
With 24 dB/octave filters: 4 kHz - 30 kHz
With 12 dB/octave filters: 5 kHz - 30 kHz
INCLUDED COMPONENT & PARTS
• One (1) C7-100ct 1.0-inch (25 mm) tweeter
• One (1) surface-mount fixture
• One (1) flush-mount fixture
• One (1) #8 metal spring clip (for flush-mounting)
• One (1) #8 flat metal spring nut (for surface-mounting)
• One (1) M4 x 30 mm machine screw
• One (1) #8 x 1.0-inch (25 mm) sheet metal screw
• One (1) 4.7 mm male crimpable connector
• One (1) 2.8 mm male crimpable connector
• One (1) 150 µF tweeter protection capacitor
55
60
65
70
75
80
85
90
95
dB SPL
20 kHz
10 kHz
5 kHz
1 kHz
2 kHz
100 Hz
50 Hz
200 Hz
500 Hz
20 Hz
Sum
Tweeter
Woofer
55
60
65
70
75
80
85
90
95
dB SPL
20 kHz
10 kHz
5 kHz
1 kHz
2 kHz
100 Hz
50 Hz
200 Hz
500 Hz
20 Hz
Sum
Tweeter
Midrange
Woofer
C7 3-Way Speaker System
C7-650cw Woofer
Low-Pass: 24 dB/octave Linkwitz-Riley @ 400 Hz
Level Offset: 0 dB
C7-350cm Midrange
High-Pass: 24 dB/octave Linkwitz-Riley @ 480 Hz
Low-Pass: 24 dB/octave Linkwitz-Riley @ 3500 Hz
Level Offset: 0 dB
C7-100ct Tweeter
High-Pass: 24 dB/octave Linkwitz-Riley @ 4500 Hz
Level Offset: -1.0 dB
Please note: These are recommended starting points
for tuning. In-vehicle measurements should be made
to optimize the crossover for speaker placement
and vehicle acoustics.
C7 2-Way Speaker System
C7-650cw Woofer
Low-Pass: 24 dB/octave Linkwitz-Riley @ 2700 Hz
Level Offset: 0 dB
C7-100ct Tweeter
High-Pass: 24 dB/octave Linkwitz-Riley @ 4000 Hz
Level Offset: -1.0 dB
Please note: These are recommended starting points
for tuning. In-vehicle measurements should be made
to optimize the crossover for speaker placement
and vehicle acoustics.
3
