Thank you for the suggestion! Any recommendation on how to build a +/-/Gnd power supply in a car? I am trying to build a car stock microphone to aftermarket radio converter. From what I understand, the stock microphone is balanced (and potentially amplified) while an aftermarket radio takes an unbalanced TX 3.5mm connector. Thank you.
Reverse process will do but Physically it's impossible to convert unbalanced signal to balanced signal. Anyway you can use XLR input with simple soldering. Thanks.
@@YoungAhn Is this not what a DRV134 does? "In differential-output mode, the DRV134 converts a single-ended, ground-referenced input to a floating differential output with +6 dB gain." www.ti.com/lit/ds/symlink/drv135.pdf?ts=1668076599640
Made the circuit however I find there is low audio still available at the output even if the Opamp is not powered on any suggestions or tweaks to address this issue please. Do I need to have the output fed to a buffer to address this.
Hi, thanks for your comment. It's been a long time since I made this video. So I can't advice you about this issue. I'm sorry about that. Have a great day sir. Regards, Young
Thank you, I thought the OP needs +12/-12v, while the other xlr-rca transformer doesn't. I have searched in both product but not sure which one is better. Have been using 12AX7 but non AU? I will get couple AU to try out. Thanks for recommend.
You are a GODSEND! I’m heating up the soldering station NOW.
Thanks for watching my videos.
Thank you for the suggestion! Any recommendation on how to build a +/-/Gnd power supply in a car? I am trying to build a car stock microphone to aftermarket radio converter. From what I understand, the stock microphone is balanced (and potentially amplified) while an aftermarket radio takes an unbalanced TX 3.5mm connector. Thank you.
Thanks, have a great night
Very interesting. Although what I need is RCA to XLR!
Reverse process will do but Physically it's impossible to convert unbalanced signal to balanced signal. Anyway you can use XLR input with simple soldering. Thanks.
@@YoungAhn Is this not what a DRV134 does? "In differential-output mode, the DRV134 converts a single-ended, ground-referenced input to a floating differential output with +6 dB gain." www.ti.com/lit/ds/symlink/drv135.pdf?ts=1668076599640
Just use a normal di box
Excellent explanation and what a great project. One question, where can I take the negative output signal from RCA?
Made the circuit however I find there is low audio still available at the output even if the Opamp is not powered on any suggestions or tweaks to address this issue please. Do I need to have the output fed to a buffer to address this.
Hi, thanks for your comment. It's been a long time since I made this video. So I can't advice you about this issue. I'm sorry about that. Have a great day sir. Regards, Young
Why are you using polarized caps for AC signal?
Calculate frequency vs RC, you will find why. SS circuit input output impedance is much higher than that of tube amp. Thanks for your comment.
Do you know anythinga bout balanced unbalanced transformer? Is it better than OP amp ?
pros and cons. I like OP because of cost and space saving
One more thing, try differential amplifier with 12AU7, excellent performance.
Thank you, I thought the OP needs +12/-12v, while the other xlr-rca transformer doesn't. I have searched in both product but not sure which one is better. Have been using 12AX7 but non AU? I will get couple AU to try out. Thanks for recommend.
Thanks.