Questions tagged [stereo]
Reproduction of an audio (stereophonics) or a video (stereoscopics) signals, through two separate channels.
108 questions
0 votes
0 answers
72 views
Connecting an auxiliary battery to payloader for stereo memory
I have a New Holland W130b loader with a main battery disconnect switch. The switch kills ground to the system. The stereo I removed was analog, I wanted digital with bluetooth and I can not see the ...
7 votes
1 answer
793 views
What is this component? In an Alpine 7903
I'm trying to replace some burnt up components on a old (and hard to find) car stereo for my project car. There are limited markings. One says BA RU and the other says DA RU
- 89
0 votes
2 answers
158 views
How to limit input audio signal to maximum 2.1Vrms
I am making a car stereo which has two inputs: A 3.5mm connector and bluetooth. The bluetooth signal is converted to analog using PCM5102 which output is 2.1Vrms. The purpose of the summing amplifier ...
- 13
2 votes
1 answer
142 views
Limiting current with an NPN for a 'safer' tube amplifier
Relatively new to electrical engineering broadly so please excuse any confusion, etc. Here to learn! I am working on the layout for a stereo direct coupled tube amplifier. The schematic (below) is by ...
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0 votes
1 answer
131 views
Rebuilding an Old Transistor Radio into a Bluetooth Speaker
I recently acquired an old transistor radio and I'm interested in transforming it into a Bluetooth speaker. I'm considering using a stereo amplifier kit that includes built-in Bluetooth, such as this ...
- 339
2 votes
1 answer
98 views
Stereo line input & Mono Mixer
I’ve been searching for a module to mix a stereo line input from a laptop with a hot mono input from my Eurorack setup, while also maintaining a proper line output signal. I love the design of the ...
0 votes
0 answers
152 views
How to design a simple 10 band stereo equalizer without any display?
I was trying to build a 10 band stereo equalizer where I would implement 10 bandpass filters centered at frequencies 32, 64, 128,256m....,16.384 kHz for a simulation project I used a -40 dB and a +40 ...
- 203
0 votes
1 answer
92 views
Best practices for combining dual mono to stereo? [closed]
I have two old-style telephone pickup coils, each of which has a 3.5mm mono (TS) male output. I made a simple adapter that just runs together the grounds from both inputs and connects each positive to ...
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0 votes
1 answer
242 views
TRS headphone output socket that may be used with a TS mono jack: how to prevent short to ground?
I'm using a TPA6132 headphone amplifier connected to a stereo (TRS) output socket. In my application, the output will usually be used as a line output, and only occasionally with headphones. The audio ...
1 vote
1 answer
586 views
TRS headphone jack wiring
Summary: I have an in-ear-headphone that I am trying to replace the TRS jack for. I have tried soldering the wires to a jack a couple of times with the same no-good result. The left speaker doesn't ...
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1 vote
2 answers
688 views
How to make an active crossover Opamp filter an audio signal
Background I've built a few passive crossovers, but never done anything active and my electrical skills are newb at best. I wanted to test out an active crossover after reading into by-amping a stereo ...
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0 votes
2 answers
2k views
Stereo speaker level input to line level mono output converter
I am trying to connect an amplifier with 100W RMS per channel output to a subwoofer that only has a single channel line level input. The amplifier does not have a volume controlled line/preamp output. ...
- 101
0 votes
2 answers
148 views
How to find where a jack stereo cable is interrupted
I have a jack stereo cable like the one in this video. It stopped working correctly (only one side of the audio could be heard), and when I unscrewed the male and female plugs, both looked a bit iffy. ...
- 103
0 votes
2 answers
966 views
Audio Mixer Circuit with Individual Volume
I'm trying to make an audio mixer circuit based on the amplifier circuit published by Scott Campbell. I have no knowledge of opamps so I'm taking it mostly as-is but the input signal I am going to ...
- 191
3 votes
4 answers
2k views
Volume gets lower when left and right audio channels are combined
I noticed that the volume of a speaker gets slightly lower when combining the left and right channels versus having ONLY one of the 2 channels connected to the speaker. I know that combining the left ...
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