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Focusrite Scarlett 2i2 + CAD M179 performance.
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ramonovski
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#1
19th October 2012
Old 19th October 2012
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Focusrite Scarlett 2i2 + CAD M179 performance.

Hey gearslutz.
I've been reading in some reviews and comments that the USB powered Audio Interfaces with 48v phantom power are not "enough" to get a proper performance of the CAD M197 microphone; according to the reviews, this issue results in some kind of noise.
But the only audio interface that was mentioned in those reviews/comments was the Tascam US-122L, so my question is if anyone have this issue with the Focusrite Scarlett 2i2 and the built-in preamps.

This is my only, and first, audio interface and I'm not planning to make an upgrade or get a dedicated preamp nor a mixer in the next ~6 months, until I can be sure if it worth the time/money/effort to make the next step and get better or decent gear.
BTW, I have plugged my Focusrite Scarlett to an AC powered USB hub, just for the record, although USB just can handle 5V if I'm not wrong.

In case the same problem is present with the 2i2 + CAD M179, can you give me a recommendation on a Condenser mic in the $0-200 price range with the same -claimed- quality of the M179 that works flawlessly with the Focusrite Scarlett 2i2?

The mics that I had considered before knowing about the M179 are:

- AKG p220
- sE Electronics X1
- MXL V87

And I'm going to use the mic to record acoustic guitar, melodica, tambourine, glockenspiel, some random musical toys and maybe some flutes.

tl;dr: does the CAD M179 works fine (without the noise issue) with the Focusrite Scarlett 2i2? if not, recommendations on a cheap condenser mic.

Thanks in advance.
#2
19th October 2012
Old 19th October 2012
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musicmachineshop is offline
I have 2 M179's that I use with my Focusrite Pro 40 & an AudioBox. The 2i2 has similar specs to the Pro 40. Never had a problem. Plugging your box into a hub concerns me but somebody else can probably address that better than me.
#3
19th October 2012
Old 19th October 2012
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The power issue with the m179 is that it requires 8 mA current from its phantom power source, more than twice that of most other condenser mics. This is more amperage than some cheaper preamps or interfaces supply.

My m179 works fine with better pres like Grace m101 and the pres on my RME UFX and Emu 1616m interfaces. However, my ART MP Project Series preamp fails with the m179.

I hope someone with a Scarlett 2i2 has actual experience with the m179, as I am interested in the 2i2 as well.
#4
20th October 2012
Old 20th October 2012
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2i2 is great, i have it. no problem with mic
but Focusrite realesed 2i4, with midi and 2 stereo-output - cool thing
ramonovski
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20th October 2012
Old 20th October 2012
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Quote:
Originally Posted by EvgenyStudio View Post
2i2 is great, i have it. no problem with mic
but Focusrite realesed 2i4, with midi and 2 stereo-output - cool thing
Can you provide a little sample with your CAD M179 and your 2i2's preamps?
A sample with a different mic to compare would be great.

Thanks to all for replying.
#6
21st October 2012
Old 21st October 2012
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I have the 2i2 but not a 179 (unfortunately) but if you have any other queries I might be able to help
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#7
22nd October 2012
Old 22nd October 2012
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I had a browse through some of the Focusrite user guides and couldn't find anything that stated the specific mA supplied.

Something to consider is that the Scarlet doesn't have an external power supply, so its only power source is via USB.

I'm not expert at electronics, but after some quick googling it seems that a USB port should should be able to deliver enough power to supply phantom power but this also depends on how many other USB devices are plugged in.

If you are buying new then it would be a good idea to choose somewhere that has a 7 day return policy.
#8
22nd October 2012
Old 22nd October 2012
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Worst case you could use a separate phantom power supply.
#9
22nd October 2012
Old 22nd October 2012
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ma_ga is offline
hi,

the 2i2 was tested in the german "sound and recording" magazine.

They measured the phantom power!

Voltage was 45,8 V (P48 Spec is 48+/-4 V)
Max current was 9.5 mA

M179 takes 8 mA

One M179 should work without problems....

I have the 2i4 and tested it with my two beyer mc930 (4.6mA each),
worked without any problems at my laptop (usb2 port directly, no hub)

Markus
ramonovski
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23rd October 2012
Old 23rd October 2012
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Quote:
Originally Posted by ma_ga View Post
hi,

the 2i2 was tested in the german "sound and recording" magazine.

They measured the phantom power!

Voltage was 45,8 V (P48 Spec is 48+/-4 V)
Max current was 9.5 mA

M179 takes 8 mA

One M179 should work without problems....

I have the 2i4 and tested it with my two beyer mc930 (4.6mA each),
worked without any problems at my laptop (usb2 port directly, no hub)

Markus
Thank you so much for that information!

Do you think if I plug and use simultaneously the M179 (8mA) and a Dynamic mic (shure SM57) could be an issue?
I know Dynamic microphones doesn't need phantom power, but what about current? how much can a Dynamic mic "consume"? could the sm57 affect the M179 performance?

And again, thanks to all for replying

Last edited by ramonovski; 23rd October 2012 at 01:09 AM.. Reason: my mistake
#11
23rd October 2012
Old 23rd October 2012
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If your dynamic mic is wired properly, it consumes no current from the p48.

With the 2 6.8k resistors, p48 delivers about 14mA to a dead short (on both signal pins to ground). You will see this kind of performance on larger consoles with only one mic attached.




-tINY

ramonovski
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23rd October 2012
Old 23rd October 2012
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Thanks, tINY.

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