Proficient Audio Systems C645 User Manual
C500
C605
C610
Speaker Type:
2-Way Coaxial In-Ceiling
2-Way Coaxial In-Ceiling
2-Way Coaxial In-Ceiling
Tweeter:
Pivoting 1/2" Polyamide Dome
3/4" Soft Dome
Pivoting 1" Soft Dome
Woofer:
51/4" Polypropylene Cone
61/2" Polypropylene Cone
61/2" Polypropylene Cone
with Rubber Surround
with Rubber Surround
with Rubber Surround
Impedance:
8 Ω
8 Ω
8 Ω
Sensitivity:
90dB 1W/1m
90dB 1W/1m
91dB 1W/1m
Contour Switches:
–
–
–
Frequency Response:
40Hz - 20kHz
45Hz - 20kHz
40Hz - 20kHz
Power Handling:
75 watts
75 watts
85 watts
Diameter x Depth:
73/4" x 31/4"
91/4" x 35⁄8"
91/4" x 35⁄8"
Ceiling Cut Out:
611⁄16"
81/4"
81/4"
SPEAKER SPECIFICATIONS
C620
C640
C645
Speaker Type:
2-Way Coaxial In-Ceiling
2-Way Coaxial In-Ceiling
2-Way Coaxial In-Ceiling
Tweeter:
Pivoting 1" Silk Dome
Pivoting 1" Aluminum Dome
Pivoting 1" Aluminum Dome
Woofer:
61/2" Polypropylene Cone
61/2" Graphite Cone
61/2" Kevlar Cone with Cast
with Rubber Surround
with Rubber Surround
Magnesium Woofer Basket
and Rubber Surround
Impedance:
8 Ω
8 Ω
8 Ω
Sensitivity:
91dB 1W/1m
92dB 1W/1m
92dB 1W/1m
Contour Switches:
–
Front-Mounted 2-Position
Front-Mounted 2-Position
+3dB Bass & Treble Switches
+3dB Bass & Treble Switches
Frequency Response:
36Hz - 20kHz
32Hz - 22kHz
32Hz - 22kHz
Power Handling:
100 watts
125 watts
150 watts
Diameter x Depth:
91/4" x 35⁄8"
91/4" x 35⁄8"
91/4" x 35⁄8"
Ceiling Cut Out:
81/4"
81/4"
81/4"
C790
C800
C850
Speaker Type:
2-Way Coaxial In-Ceiling
2-Way Coaxial In-Ceiling
2-Way Coaxial In-Ceiling
Tweeter:
Pivoting 1" Soft Dome
Pivoting 1" Aluminum Dome
Pivoting 1" Aluminum Dome
Woofer:
8" Polypropylene Cone
8" Graphite Cone
8" Kevlar Cone with Cast
with Rubber Surround
with Rubber Surround
Magnesium Woofer Basket
and Rubber Surround
Impedance:
8 Ω
8 Ω
8 Ω
Sensitivity:
92dB 1W/1m
92dB 1W/1m
92dB 1W/1m
Contour Switches:
–
Front-Mounted 2-Position
Front-Mounted 3-Position
+3dB Bass & Treble Switches
±3dB Bass & Treble Switches
Frequency Response:
36Hz - 20kHz
28Hz - 22kHz
28Hz - 22kHz
Power Handling:
125 watts
150 watts
175 watts
Diameter x Depth:
111⁄8 " x 41/4"
111⁄8 " x 41/4"
111⁄8 " x 41/4"
Ceiling Cut Out:
97⁄8"
97⁄8"
97⁄8"
3
Features and specifications are subject to change without notice.