Power Consumption of 7-Series Recorders

Power consumption varies when using a 7-Series Recorder. The chart below shows the power consumption of a 744T recorder in several configurations.

Recording To Internal Hard Drive Only

Configuration Idle While Recording
baseline (no mics, battery, or XLDVDRAM) 7.2 W -
battery attached and charging 15.6 W -
no battery,
2 mics with phantom power (48V)
7.5 W 12 W
battery charging,
2 mics with phantom power (48V)
18 W 23 W
no battery,
2 mics with phantom power (48 V),
XL-DVDRAM attached
14.5 W 19.2 W
battery charging,
2 mics with phantom power (48 V),
XL-DVDRAM attached
23 W 29 W

Recording to Compact Flash Only

Configuration Idle While Recording
baseline (no mics, battery, or XLDVDRAM) 7.2 W -
battery attached and charging 15.6 W -
no battery,
2 mics with phantom power (48V)
7.5 W 12 W
battery charging,
2 mics with phantom power (48V)
18 W 18 W
no battery,
2 mics with phantom power (48 V),
XL-DVDRAM attached
14.5 W 18 W
battery charging,
2 mics with phantom power (48 V),
XL-DVDRAM attached
23 W 26.5 W

Note: The 744T was powered by an external 12 VDC supply, LEDs set for medium brightness, and no backlight.

Use the chart above as a starting point to calculate power consumption. Power draw varies depending on source voltage, the type of microphones used, and the charge state of the battery.