The Whirlwind Lifter is ideal for troubleshooting ground problems. This female-to-male XLR 3-pin inline device disconnects pin 1 between the connectors. It isolates the ground of a balanced audio signal without requiring you to cut the cable's shield wire—no more 60-cycle hum, just clean, dynamic audio.
| In-Line Accessory Type | |
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| Inputs/Outputs |
| In-Line Accessory Type | |
| Input / Output Level | |
| Number of Channels |
| Inputs/Outputs |
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Placed inline between dbx zonepro 640 outputs and QSC amplifier that was having a high pitched buzz from dirty 120v electric plug. Buzz gone as soon as these were plugged in
We shoot in a lot of theaters where power can vary from clean to dirty and we often have little time or control to fix humm problems. These can often help immensely and eliminate humm.