TOA bs-1030 User Guide

Page of 60
TOA Electronics Speaker Guide
 
Speaker Application Tables
37
F-121C/M
F-121C/M Specifications
Coverage Angle
hemispherical
Frequency Response
80 Hz – 18 kHz 
Sensitivity (1 W / 1 m)
90 dB
Power Handling
F-121CM: 20 W transformer
F-121C:
40 W pink noise
Transformer Tap
(F-121CM only)
70.7/100 V: 1, 3, 5, 10, 20 W
Components
4.7" driver with diffuser cone
Installation Accessories 
(optional)
TBF-100 Tile Bridge, BBF-100 Back Box
900 Series Equalizer Module E-03R module or AC-120 stand-alone EQ
F-121C/M Coverage And Spacing
Height 
Above 
Listener
h-l (ft)
Coverage
Area (sq. 
ft)
Spacing (ft)
Edge to Center 
Overlap
Min. Overlap
(square)
Min. Overlap
(hex)
No 
Overlap
Max. On-
Axis SPL
2
38
3
5
6
7
107
3
85
5
7
9
10
104
4
151
7
10
12
14
101
5
236
9
12
15
17
99
6
339
10
15
18
21
98
8
603
14
20
24
28
95
10
942
17
24
30
35
93
12
1357
21
29
36
42
92
14
1847
24
34
42
48
90
16
2413
28
39
48
55
89
18
3054
31
44
54
62
88
20
3770
35
49
60
69
87