Bosch LA1-UM40E LA1-UM40E-1 User Manual
Product codes
LA1-UM40E-1
LA1-UM20E-1 / LA1-UM40E-1 Rear view
8Ω
1/8
1/4
1/2
1
70.7V
100V
1
1/2
1/4
1/8
8Ω
8Ω
8Ω
8Ω
1 = 20W
1/2 = 10W
1/4 = 5W
1/8 = 2.5W
1/2 = 10W
1/4 = 5W
1/8 = 2.5W
A
B
LA1-UM20E-1 Circuit diagram (A: Phase, B: Common)
8Ω
1/8
1/4
1/2
1
70.7V
100V
1
1/2
1/4
1/8
4Ω
4Ω
4Ω
4Ω
4Ω
4Ω
4Ω
4Ω
1 = 40W
1/2 = 20W
1/4 = 10W
1/8 = 5W
1/2 = 20W
1/4 = 10W
1/8 = 5W
A
B
LA1-UM40E-1 Circuit diagram (A: Phase, B: Common)
55
mm (2.
17")
7 mm
(0.82")
100 mm (3.94")
Details mounting bracket
60
70
80
90
100
110
10
100
1000
10000
100000
dB SPL
BOSCH
LA1-UM20E-1 Frequency response
3 | LA1‑UMx0E‑1 Metal Column Loudspeakers