Eaton DB4BM Manuel Technique page 6

Eaton MEDC technical manual Eaton MEDC technical manual
DB4BM WIRING WITH OPTIONAL CAP AND/OR PPTC
OPERATION
The line voltage and power rating of the unit is stated on the unit label. The speaker is available in 3 standard power
ratings 8 watts, 15 watts & 25 watts. Different sound levels can be obtained by selecting the transformer tapping in the
unit. See table below for details.
Alternatively, if requested when ordered, the unit can be supplied with a direct 8Ohm connection to the driver for
connecting to a suitable audio source.
Transformer Tapping
1:2
2:3
3:4
1:3
2:4
1:4
The unit has a certified upper operating temperature limit of +85°C, however continuous operation of 25W &
15W units is not recommended in ambient temperatures above +70°C
6 6 DB4BM LOUDSPEAKER TECHNICAL MANUAL DB4BM LOUDSPEAKER TECHNICAL MANUAL
Connect the 100V line connections to terminals marked
'line' on the PCB, looping out as required.
Use supplied flying lead along with the common loop-in,
loop-out connections to select the required power level
(see section 4 for tapping table)
25W
25.0
12.5
6.0
4.0
2.0
1.0
WARNING
TM277.3 TM277.3 www.eaton.com www.eaton.com
Power (W)
15W
15.0
7 .5
5.0
4.0
2.0
0.8
8W
8.0
4.0
2.0
1.5
0.7
0.4