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DC Power Options
Because the CB1 Systems operate on DC power, users have the option
to run off any
user supplied
12-volt DC power source, such as a
battery set, car-lighter adapter, etc., (provided they use the proper
cabling). MAGMA offers an optional 6-foot long battery cable
(CBLCB1XLR) for use with CB1 systems. The cable provides
connection to the CB1 chassis on one end, and includes a 4-pin Male
XLR connector on the other end, which fits the majority of 12-volt
professional battery packs.
This cable may be purchased directly from MAGMA for use with the
CB1. Please visit our web site at www.magma.com for more
information.
The CB1 System is designed to accommodate DC input in the range 9-
16 VDC (the most common voltages for batteries in this industry), and
draw a maximum load of 45 Watts. Please use this information when
consulting with your local audio/video supplier when reviewing battery
options, and sizing.
Battery Sizing/Selection:
For Batteries Rated in Amp Hours:
Use the following table for matching desired operating hours to battery
capacity ratings.
CB1 Max Rated Load (Watts): 45 Watts
Margin of Safety For Battery Selection: 10%
Column 1
Column 2-4
Amp Hours
Desired Continuous
Operating Hours
12VDC* 13.2VDC* 14.4VDC*
1 4.1 3.8 3.4
2 8.3 7.5 6.9
3 12.4 11.3 10.3
4 16.5 15.0 13.8
5 20.6 18.8 17.2
6 24.8 22.5 20.6
7 28.9 26.3 24.1
8 33.0 30.0 22.5
*Typical Battery Output Voltage