| 摘要 |
An electrical connector jack for a conventional two-conductor electrical connector plug; the plug is inserted into the jack in a given direction to connect a signal source to an amplifier with minimal or no noise when the connection is made. The plug has concentric electrically isolated tip and ring electrodes, with the tip projecting beyond the ring in the direction of insertion. The jack includes two signal contacts (one may be grounded) engageable individually with the tip and ring electrodes of the plug when the plug is fully inserted into the jack; these signal contacts are electrically connected to a signal source such as a guitar pickup. A shorting contact engages and interconnects the tip and ring electrodes until the plug is fully inserted. The signal contacts and the shorting contact may have a common insulator support.
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