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Questions tagged [trs]

The tag has no usage guidance.

4
votes
2answers
57 views

±12V protection for MIDI input

TLDR; how to make a MIDI input withstand shorting to \$\pm12V\$? This is a counterpart to this question, I'm asking this as I was inspired by the great answer I got there. I'm designing a MIDI input ...
5
votes
2answers
127 views

±12V protection for MIDI output

TLDR; how to make a MIDI output withstand shorting it to \$\pm12\$V? I'm designing a MIDI output in a eurorack modular synth module on a TRS jack (this is a semi-standard non-standard way to save ...
1
vote
0answers
39 views

Creating a TRRS cable that route the audio from the Left channel to the microphone

So I have an audio interface that output audio via TRS socket what I want to do is to use my iPhone to record the audio coming out from the audio interface. What I tried is to create a custom cable. ...
0
votes
0answers
29 views

Thread pitch on locking 1/8" audio connectors?

I feel silly that I can't find this on Google... what is the thread size on locking 1/8" audio connectors like these? There seems to be a de-facto standard, but I can't find any numbers and it's hard ...
2
votes
0answers
83 views

Why is 3.5 mm audio jack so long (about 19 mm)? [closed]

The designers of 3.5 mm audio jack made the decision to keep it's length long (about 19 mm). They could have easily gone shorter lengths. Does longer length provide some noticeable improvements? From ...
1
vote
1answer
81 views

Why do faulty headphones make MP3s sound low bitrate when I touch the wire? [closed]

I have a pair of headphones which came with my phone. They're the standard type that comes with a mobile phone - TRSS 3.5mm jack with an inline microphone. I was listening to Spotify on my phone. I ...
2
votes
2answers
585 views

Why would credit card reader over audio jack not work on some devices?

This isn't a troubleshooting question, it's purely to satisfy my curiosity... MagTek makes a product called the uDynamo credit card reader that uses the audio channel on android devices as a ...
2
votes
3answers
1k views

TRS female jack symbol in Kicad

There is a device which is powered and also outputs signal by its TRS connector as shown below: This TRS connector needs a female correspondent for my circuit. I made a small board and need to add ...