DMV Y-Adapter Stereo Separation Cables

DMV Y-Adapter Stereo Separation Cables have a versatile length of 5 ft. 10 in. with one stereo male 3.5mm TRS plug and two independent RCA phono male plugs. The 3.5mm TRS plug is wired as Tip=Left=Red phono and Ring=Right=White phono, atypical for audio. Of course, the common shield of the 3.5mm plug goes via the shield of the cables to both RCA phono shields.

For use on TopTek Amplifiers the 3.5mm plug tip is connected to the Red phono plug center that needs to be grounded by the transceiver amplifier keying line when the radio PTT is keyed.

When used for an Icom IC-705 Transceiver, this cable splits amplifier keying SEND and ALC. The Red phono plug connects to the "Relay" or "PTT IN" connection on an amplifier and the White phono plug center that is connected to the ring of the 3.5mm TRS is an ALC input provided for convenience. However, an ALC output isn't provided on most intermediate amplifiers that would be used with the IC-705. So that connector can be ignored.

Yes, this stereo audio Y-adapter can be used as an "AUX" Cable to connect a 3.5mm stereo source, like a mobile device, to the AUX or other line level input of a stereo audio amplifier, but not a "phono" input. In some audio devices, this cable would provide "reversed" stereo if connected normally, because on this cable the Red plug is Left Channel and White plug is Right Channel, opposite from the way RCA phono patch cables are usually connected. That's not really a problem... just reverse them and rock on!
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