9320 Reference Controller Operating Manual 46 (52)
11 Operating Environment
11.1 Operating and Storage Environment
The device is designed for indoor use only. The operating ambient temperature of 9320 should be 15-35
°C (50-95 °F) and the non-condensing relative humidity 20-80 %.
When the product has been stored or transported in cold and is then taken into a warm room, the
product should warm up to ambient temperature inside an unopened packing for at least three hours
before opening the packing and connecting to the USB power. This is needed to prevent condensation
of moisture inside the device.
11.2 Technical data and graphs for 9320A
The 9320 uses power from one USB connector at a time. When both connectors are connected, the
PWR connector is used for power. The computer USB-C power input limits to 2.5 W input power (500mA
input current). When the PWR connector is in used, the output power available to the headphone is
slightly higher; the benefit is +0 dB to 2.5 dB more output, depending on the load impedance. The PWR
input connector is designed to work with a standard 5 V 1A USB power adapter.
Table 6. Mechanical and power
Parameter Unit Value
Weight kg (lbs) 0.890 (2.0)
Height mm (in) 60 (2 3/8)
Width mm (in) 190 (7 1/2)
Depth mm (in) 139 (5 1/2)
Supply voltage, USB type C connector VDC 5
Operating power consumption, no outputs driven W 1.5
Operating power consumption, using computer connector USB-C W < 2.5 (typ. 2.25)
Operating power consumption, using PWR connector USB -C W < 3.5
Sleep mode power consumption W 0.125
Operating temperature C (F) 15 – 35 (60 – 95)
Operating humidity, noncondensing % 10 – 80
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