Michael Render Posted April 7, 2021 Report Share Posted April 7, 2021 I am going to wire an older AT899(cW) for a Sennheiser G4 3.5mm. Am I correct that I connet the Mic (white) to the tip and tie the Bias(red) and ground to both the ring and sleeve? Quote Link to comment Share on other sites More sharing options...
Rick Reineke Posted April 7, 2021 Report Share Posted April 7, 2021 As I recall for the SK-100 bodypack transmitter, on most three wire lavs (audio, bias and ground/shield) both the audio and bias current wires go to the Tip. Cable shield to Ring and Sleeve. I have 2 AT-899s, but they are wired to a TA-5 (Lectro) plug. Both have stiff cables, so I never use them. They are old and later builds allegedly have softer, more flexible cable. Quote Link to comment Share on other sites More sharing options...
Jim Feeley Posted April 7, 2021 Report Share Posted April 7, 2021 No reasons to challenge Rick, but Michael maybe contact AT's US office which appears to be just down the road from you: https://www.audio-technica.com/en-us/contact Quote Link to comment Share on other sites More sharing options...
Michael Render Posted April 7, 2021 Author Report Share Posted April 7, 2021 1 hour ago, Rick Reineke said: As I recall, on three wire lav, both the audio and bias current wires go to the Tip. Cable shield to Ring and Sleeve. I have 2 AT-899s, but they are wired to a TA-5 (Lectro) plug. Both have stiff cables, so I never use them, Rick, I believe you are right. I found this diagram on the Sennheiser site. So if the center picture is correct, Mic and Bias to tip Ring and Sleeve tied to ground. 42 minutes ago, Jim Feeley said: No reasons to challenge Rick, but Michael maybe contact AT's US office which appears to be just down the road from you: https://www.audio-technica.com/en-us/contact Good idea but I already asked them about the pin outs and they supplied me the info for the AT899. The marketing director at AT and I were both in each other's wedding parties. Our sons are best friends. Quote Link to comment Share on other sites More sharing options...
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