4.3. Adding phantom power to
unbalanced inputs
If the input stage is grounded or transformerless, wire
either capacitors or additional transformers into the
audio lines in order to protect the input stage from
leakage currents:
5. Specifications
Microphone
Type
Prepolarized back plate
condenser microphone
Polar pattern
Cardioid
Frequency range
20 to 20,000 Hz
Sensitivity
7 mV/Pa; -43 dBV
(re 1 V/Pa)
Impedance
<200 ohms
Recommended
load impedance
>2 kohms
Power requirement
9 to 52 V phantom power
to DIN 45596
Current consumption
<3 mA
Connector
3-.pin XLR
Headphones
Type
Dynamic
Earphones
Supraaural, semi-open
Frequency range
20 to 28,000 Hz
Sensitivity
100 dB SPL at 1 mW
Impedance
100 ohms/channel
Power handling capability 100 mW
Connector
Mini jack plug and
1/4” jack adapter
8
ENGLISH
