quick test of 48 V phantom powering (current)- indication by a green LEDThe PHS 48 can be plugged into a microphone input or cable that carries 48 Volt phantom power, to verify that sufficient current is available to power a SCHOEPS microphone. According to the standards, a 48 V phantom powered microphone may draw a current of up to 10 mA per channel. SCHOEPS CMC 5, CMC 6 and CCM microphones actually need only 4 mA (ca. 5 mA if Active Accessories are used), so the PHS 48 tests for approximately this amount of available current at the required voltage level. Any trim, gain, or volume controls should first be set to their minimum position, to avoid noise and potential damage. Then, while all other microphones are already connected the test plug is attached to the socket which is intended to power the SCHOEPS microphone. The green LED in the PHS 48 will light and remain lit if the test result is positive.
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