Transcript
SCREW-IN TYPE CEILING SPEAKERS PC-643S
PC-644S
PC-645R
PC-646R
DESCRIPTION
FEATURES
TOA's PC-600 Series Flush-Mounted Ceiling Speakers
● Flush-mount ceiling type.
employ a dynamic, full-range 12cm speaker and feature special screw-in type mountings that ensure safe installations. Four front grilles are available in two shapes for easy
● Safe and secure screw-in mounting. ● Built-in 12cm full-range speaker.
matching with virtually any decor. Speaker impedance (wattage) can be easily adjusted to match installation requirements.
● Rated input: 6W (100V line) or 3W (70V line). ● Easy impedance switching: 0.8W, 1.5W, 3W, and 6W (100V line). ● Wide 100 – 12,000Hz frequency range characteristics. ● Four front grilles available: (1) Square, ABS resin panel (PC-643S) (2) Square, ABS resin frame + aluminum net (PC-644S) (3) Round, ABS resin panel (PC-645R) (4) Round, ABS resin frame + aluminum net (PC-646R)
PC-600 Series CHARACTERISTIC DIAGRAMS [dB] 110
SPL vs. Frequency
Beamwidth vs. Frequency [deg]
100 90
200
Beamwidth
70 60
100
50
50 40 30 20
50
100
500
1k
5k
Frequency
10k
fundamental
20k [Hz]
10 20
50
100
500
1k
5k
Frequency
10k Hor.
20k [Hz]
Directivity Factor vs. Frequency [Q]
20 Directivity Factor
SPL
80
10
5
1 20
50
100
500
1k
5k
Frequency
Polar Response 0° 10
0° 10 330°
30° 0
0
-10 60°
330°
30°
-10 60°
300°
-20
300°
-20
-30
-30
-40
-40 270°
90°
270° 90°
1000Hz 800Hz 630Hz
2000Hz 1600Hz 1250Hz
0° 10
0° 10 330°
30° 0
0
-10 60°
330°
30°
-10 60°
300°
-20 -30
-20
300°
-30
-40
-40 270°
90°
270° 90°
4000Hz 3150Hz 2500Hz
8000Hz 6300Hz 5000Hz
0° 10 330°
30° 0 -10 60°
-20
300°
-30 -40 270° 90° 16000Hz 12500Hz 10000Hz
10k
20k [Hz]
APPEARANCE AND DIMENSIONAL DIAGRAM PC-643S
Unit: mm
PC-644S
Ceiling
15
11
Ceiling
74
ø143
74
ø143
200 162
162 200
162 200
200 162
4–ø4.3
4–ø4.3
PC-645R
PC-646R ø150
ø191
ø191
3–ø4.3 P=ø180
3–ø4.3 P=ø180
Wiring Diagram Black wire: Hot
13kΩ 6.7kΩ
8Ω
3.3kΩ 1.7kΩ 0Ω
White wire: COM COM
Note: Use transformer terminals when changing input impedance.
74 10
Ceiling
8.5
Ceiling
74
ø150
SPECIFICATIONS PC-643S Rated Input Rated Impedance Pre-set Impedance Sensitivity Frequency Response Speaker Component Ceiling Mounting Hole Finish Dimensions Weight Accessory
PC-645R
PC-644S
PC-646R
6 W (for 100 V Line), 3 W (for 70 V Line) 100 V line: 1.7 kΩ (6 W), 3.3 kΩ (3 W), 6.7 kΩ (1.5 W), 13 kΩ (0.8 W) 70 V line: 1.7 kΩ (3 W), 3.3 kΩ (1.5 W), 6.7 kΩ (0.8 W), 13 kΩ (0.4 W) 6.7 kΩ (1.5 W/100 V line, 0.8 W/70 V line) 90 dB (1 m, 1 W, 330 – 3,300 Hz Pink noise) 100 – 12,000 Hz 12 cm dynamic cone-type speaker ø143 mm ø150 mm ø143 mm ø150 mm ABS resin panel, off-white (RAL 9010 or equivalent color) ABS resin frame, aluminum net, off-white (RAL 9010 or equivalent color) 200 x 200 x 11 (D)* mm ø191 x 8.5 (D)* mm 200 x 200 x 15 (D)* mm ø191 x 10 (D)* mm + 74 (D) mm + 74 (D) mm + 74 (D) mm + 74 (D) mm 640 g 550 g 660 g 560 g Wood screw × 4 Wood screw × 3 Wood screw × 4 Wood screw × 3 *Exposed section
TOA Corporation URL : http://www.toa.jp/ Specifications are subject to change without notice. Printed in Japan (0109) 833-62-158-00 U
