In the context of professional audio equipment, Phantom Power is DC eletric power applied to both signal wires in balanced microphone cables, to power microphones that contain active electronic circuitry.
Phantom power according to the standard: Please note that not all microphones, especially those from other manufacturers, work with all voltages listed below.
We have checked the CPX-12 microphone body/preamp to comply with those severe powering options. However the max performance (SPL handling and low distortion) degrades for lower voltages.
|
Phantom
Power |
Voltage
(no load) |
Imax (Shorted) |
Rfeed (Ohms) |
Working
Current |
CPX
- short-circuit protected |
|
P12 |
12V
±1V |
35mA |
680
|| 680 |
17mA |
✔
|
|
P12L |
12V
±1V |
8mA |
3.3k
|| 3.3k |
4
mA |
✔
|
|
P24 |
24V
±4V |
40mA |
1.2k
|| 1.2k |
20mA |
✔
|
|
P48 |
48V
±4V |
14mA |
6.8k
|| 6.8k |
10mA |
✔
|
|
SP48 |
48V
±4V |
44mA |
2.2k
|| 2.2k |
22mA |
✔
|
|
P60
(iSEMcon only) |
60V |
17.5mA |
6.8k
|| 6.8k |
15mA |
✔ |
|
|
|
|
|
|
|
The International Electrotechnical Commission Standards Committee's "Multimedia systems – Guide to the recommended characteristics of analogue interfaces to achieve interoperability" (IEC 61938:2018) specifies parameters for microphone phantom power delivery.Three basic are defined: P12, P24 and P48. In addition, two additional variants (P12L and SP48) are mentioned for specialized applications. Most microphones now use the P48 standard (maximum available power is 240 mW).