The Phantom Power Box Performance Specifications
When terminated with 1-2 kOhm microphone amplifier input impedance
- Frequency Response
- +/- 0.25 dB from 20 Hz to 20 kHz
- Noise
- Less than -140 dBu from 10 Hz to 20 kHz (Note 1)
Less than
-100 dBu from 10 kHz to 1MHz - Distortion
- Less than 0.005% from 20 Hz to 20 kHz
- Gain
- 0 dB; -20 dB (+/- 0.5 dB)
- Input Clipping Level
- -4 dBu; +16
dBu
- Input Impedance
- 2 kOhms (For 100 - 600 Ohm microphones)
- DC Power Feed Matching
- Better than 0.2%
- Output Impedance
- Less than 600 Ohms
- Output Differential DC Offset
- Less than 2 mVolts
- Output Differential Line Balance
- Better than 0.05%
- Maximum Phantom Power Current
- 10 mA (Short circuit protected)
- Phantom Power Voltage
- 48 Volts +/- 0.5 Volts
- Connectors
- Input
- XLR 3 pin female
- Output
- XLR 3 pin male
- Pin Connections
- PIN 1 GROUND; PIN 2 SIGNAL; PIN 3 RETURN
See product description
for unbalanced connections
- PP3 Alkaline Battery Life
- 200 hours at 1 mA phantom power current
- External DC Connector
- 2.5 mm Centre pin positive (Note 2)
- Dimensions
- Width 80mm; Height 45mm; Depth 135mm
- Weight
- 300 gm including battery
Notes to specification
- Measurements of dBu are dB with respect to 0.775 Volts
- The unit may be operated from an external supply between 6 and 12 volts DC (maximum) at 50
mA peak. The recommended voltage is 9 volts. The supply for each unit should be fully floating
and regulated
- A fitted belt clip is available to special order
Operating Controls
- Front Panel
- Gain Selection
- Two position
slide switch
- Connectors
- Microphone input and output
- Rear Panel
- Battery Holder
- PP3 externally accessible
- Power on/off
- Two position slide switch
-
Low Battery warning
- Red LED
- Connector
- External DC supply
On switch on the LED should illuminate for about half a second and go out. The LED lights
longer the more discharged the battery until it remains on continuously, indicating the battery
is no longer serviceable and should be changed. This is also true if the LED illuminates during
use. If the LED fails to illuminate at all then the battery is completely discharged.
Conford Electronics Conford Liphook Hampshire GU30 7QW England
Telephone +44 (0)1428 751469 Fax 751223 E-Mail contact@confordelec.co.uk
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