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How To Measure EIN (Made Easy) - Sound Speeds
There's a lot of talk about EIN, what it is and which interface has the lowest, but nobody discusses the technique used to measure EIN. In this video, I'm going to show you a very easy way to do that.

I'd like to point out that you need two things to measure your EIN - An XLR connector with a 150 Ohm resistor soldered betweens pins 2 and 3 (an XLR dummy) and a 1K tone generator. You can purchase both at the links below:

Products Featured In This Video:
Behringer CT-100: https://geni.us/CT100
150 Ohm Resistors: https://geni.us/150Ohm

A bit more info glossed over in this video. dBu stands for decibels referenced to .775 volts (0.77459667 volts actually but close enough) with a 600 ohm resistor on an unloaded circuit. In other words, following the specifications Alexander Graham Bell used when creating the telephone circuit. This measurement doesn't involve a 600 ohm resistor so it's considered unloaded. dBV on the other hand is decibels reference to voltage with impedance or... 1V. In short... 0 dBu is .775V and 0 dBV is 1V. dBu is also considered used for more professional applications since +4 dBu is 1.228V and -10dBV is .316V (consumer line level).

To convert dBu to dBV... dBV + 2.22 = dBu

Sound Reinforcement Handbook: https://geni.us/SoundHandbook

To Watch My EIN Video: https://youtu.be/iutQGzn4Uf4
To Find Out More Info About My The XLR Cable: https://youtu.be/IWZ-yO2V7Vg

To learn more about noise measurements, check out Julian Krause's channel:
https://www.youtube.com/JulianKrause

Gear Commonly Used In My Videos:
Panasonic Lumix FZ-80: http://geni.us/SoundSpeedsLumixFZ80
Panasonic Lumix DMC-G7: http://geni.us/SoundSpeedsLumixDMCG7
Aputure Amaran AL-MX LED Video Light: https://geni.us/AputureLight
Tascam DR-40: http://geni.us/TascamDR40
Sound Devices MixPre-6:
https://www.sounddevices.com/products/recorders/mixpre-6

Please note that some of the links above are affiliate links and if you purchase something using one of these links, you'll pay the same price that you'd find on Amazon if you looked it up yourself but Amazon will pay me a small referral fee for sending you there to make a purchase.

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