The Triton Audio Phantom Blocker is a Power Connector while leaving the audio signal intact. Phantom power can be applied to either the male or the female side of phantom blocker's XLR connector and will not reach the opposing XLR connector, the audio signal travels without restriction in both directions.
There are microphones (mainly ribbon microphones) that do not tolerate phantom power. Connecting a ribbon microphone to a cable which has phantom power applied sends a rush of current through the microphone’s transformer, this current gets amplified by the transformer into the primary circuit of the microphone and forces the ribbon out of the magnetic field it is suspended in, this can permanently stretch the ribbon. We advise using our FetHead to add clean gain and protect your ribbon microphone against phantom power.
Tome (vintage) preamps are sensitive for phantom power at the input. The preamp's input transformer cannot handle phantom power from another source. The transformer's thin silk isolations can burn out because a burst of phantom power switching on creates a high voltage in the input transformer. To prevent this complete blocking is needed.
Unbalanced TRS To XLR Cables
When connecting an unbalanced TRS to XLR cable, pin 3 of the XLR connector is directly connected to the ground, creating a short, this can damage input transformers and under dimensioned phantom power circuits.
Balanced Device Outputs
Our phantom blocker is a great solution to protect the output of any device connected to the XLR input of a mixing desk or preamp which has phantom power switched on, e.g. your computer's audio interface.
Before you connect the device, you wish to shield from phantom power, make sure your phantom blocker is attached to the cable and have phantom power engaged. Wait 5 seconds, during which phantom blockers' internal bleeder resistors will cancel out voltage differences. Connecting in this order prevents the transfer of an initial AC voltage burst created by the phantom power switching on.
Type: In-line Phantom Power Blocker
Inputs: 1 x XLR
Outputs: 1 x XLR
Weight: 0.12 lbs.
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