And I also just received the replacement 2i2. I changed cables and also mic (for other reasons, got rid of the ST69), I'm now using the MXL9060, which I like a lot. It happened one day when I was recording an electric guitar micing the amp with the ST69 in front of the cabinet, the signal was very low and the recording as well, of course. So, the first two phantom powered though the 2i2, the others with their own power. These are the mic I went through: AT2020, AT2035, Sterling Tube Condenser ST69, MXL 9060. All of them sounded very good and didn't need to turn the volume all the way up. And that was the same for 3 different mics (I changed a few before i started understanding what it was that I really needed in terms of sound). It was my first interface with my first condenser mic and I was impressed by both devices and from how much the mic would pick up at such low volume. at first I didn't need to crank up the volume in order to get a decent volume, it actually worked great at around one quarter level. Hey, I got the same problem as well and after trying all that it was possible I contacted the customer service and they agree to send me a replacement. There are a lot of sources for hum and a lot of ways it can enter a high-gain audio chain. If you have any lights in the room that are fluorescents, or are on dimmers, turn them off completely and see if that makes any difference. I'd at least try a different mic cable and also try moving the mic around to a different location in the room.
The cost of a new interface will be much more than a FetHead (about $110), but if the hum is being picked up by your mic or the mic cable, you have other problems than the mic pre alone. There are interfaces made by Presonus, Tascam, MOTU and Mackie with enough gain, but IMHE, they tend to be on the "noisy" side and are not great with a RE20 mic. It's easier to design a high-gain/low noise mic pre if you have more power available then can be provided by a USB input.Ī few that may work are the Apogee Duet-2 (mac only) which has 75 dB mic gain, the US Apollo Twin with 65 dB mic gain and the RME Babyface (60dB mic gain). There are not too many interfaces with internal mic pres that will work well with a RE20, especially USB bus-powered interfaces. You need a minimum gain of 60 dB (65 is better) and an EIN noise figure that's less than -127 dBV. Many uses of such mics go to separate low-noise, high gain external mic pres. To get an interface with a built-in mic pre(s) that's a good match for a low-output dynamic like a RE20, you have to go to a fairly "high-end" device. The hum may be induced in the mic, the mic cable, or the interface itself, or may just be present in the 2i2 when to, gain is all the way up. Have you tried moving the mic to a different location in the room? Is your mic cable passing near any powered audio gear or power cables? Is it still there if you disconnect the mic and set the mic gain to the same level? Your background noise sounds like plain old 120 Hz hum. If the FetHead is at the mic, any "normal" balanced mic cable is fine. If you can't place the FetHead at the mic end of then cable, and need to place it at the interface input, then you should use a double-balanced mic cable like a Canare Star-Quad. You must turn on the "+48" switch on the 2i2. FetHeads are powered via the mic pre phantom power. They are often used with ribbon mics which are even less sensitive then a RE20, and work very well. which again will be appropriate for the low-gain mic pre on a 2i2.Ī FetHead placed at the mic (before the mic cable) will allow you to reduce the 2i2 gain (and noise) and will make the signal much louder. Add a Triton FetHead or a Cloud Cloudlifter CL-1 to the RE 20 to boost its output by 22 to 25dB. These will typically produce a signal level about 20 dB louder than a low-output dynamic and are a good match for a 2i2.Ģ. Change to a phantom powered condenser mic. The 2i2 also has a fairly high input noise floor of -127 dBV.
(Way more than a "wide open" Scarlett 2i2).
#Microphone not working on mac super quiet on receiving end full
Even at full gain in a 2i2, the signal will only be recorded at an approximate -10 dB FS level in your DAW.įor low-output dynamic mics like a RE20 or a SM7B, you need a minimum mic pre gain of about 60 to 65dB. that means a fairly loud sound (louder than normal speaking voice levels) of 94 dB (SPL) will create a signal of only -56 dBV. The Scarlett 2i2 has a very low-gain mic pre (maximum gain is only 46 dB).
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