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Mogain, FetHead, Cloudlifter, HAD-48, Angus specs and comparisons
Old 11th December 2017
  #1
Mogain, FetHead, Cloudlifter, HAD-48, Angus specs and comparisons

Tascam 2x2
- Gain = 57db
- THD = 0.003% or less
- S/N = 101dB or more
- EIN = -127dBu or less
- Input Impedance = 2.2k ohms

HAD-48
- Gain = 20db or 40db
- Noise (A-weighted) = -120dB
- Output impedance = 150 ohms

Cloudlifter
- Gain: 20 dB
- Noise = -88 dB @ 5 kHz
- Noise = -88db at 5k hz (another independent measurement. Jim Williams)
- Distortion: 0.09% @ -30 dB, 0.05% @ -35 db
- CMMR = -39 dB
- Input Impedance = 3k ohms

FetHead
- Gain = 24 dB
- Noise = -84 dB @ 5 kHz
- Noise = -79 db at 5 k hz (another independent measurement. Jim Williams)
- EIN ~ -128.5 dB (speculation)
- Distortion = 0.5% @ -30 dB, 0.2% @ -35 dB
- CMMR = -29 dB
- Output impedance = 200 ohms
- Input Impedance = 22k ohms

Mogain
- Gain = 25dB
- EIN: Less than -126dBu
- THD+N: Less than 0.002% @ 1kHz
- Output impedance = 150 ohms**

BeesNeez Angus
- Gain = 18dB

McBoost
- Gain = 25dB
- EIN: -120dBu
- THD+N: 0.005% @-30dB
- Output impedance = 2.2k
- Input impedance: 600 , 2.7k , 30k
- Noise floor: -95dBu / -98dBu / -113dBu


Above is all the relevant info I can find. Any fills are welcome, especially for the Angus!! It seems to me, based on specs, that nothing is quieter than my Tascam pres (I must be misunderstanding). Which device will do the most to minimize my noise-floor (I get some slight HF hiss when turning up my dynamic mics, and want minimal noise so I can compress, EQ etc. as much as possible).

**Apparently the Mogain is quieter in practice than on paper because of it's low output impedance.
Anyhow with experience using more than one of these, who can make comparisons, we can figure out the subjective quietest and compare that to whichever should be technically quietest.

Triton Audio FetHead VS Cloud Microphones Cloudlifter

Do I really need a Cloudlifter for my quiet mics?

https://www.gearslutz.com/board/10208268-post7.html (chaining preamps not an option).

Last edited by saurumanx; 11th December 2017 at 09:22 PM..
Old 13th December 2017
  #2
Listening to this video,

YouTube

The SS and Cathedral Pipes are loudest (especially SS, don't buy that thing).

The FetHead, CL1, and McBoost keep it at nearly the same level, but differently 'coloured'. Would like some other ears on this. Fethead is louder in high-frequencies, and CL1 in sub-bass.

The direct signal, without any pre-preamp is actually the quietest!

The wave-form makes the last 3 recordings *look* louder than the preceding 2, which is untrue... so now I'm wondering why they look bigger when they sound quieter.



In this review he uses a

2i2
-EIN = Less than -128 dBu (A-Weighted)
-Gain = 50 dB
-Input = 3k Ω

Which might be slightly quieter than my 2x2, but maybe not (though it sounds very quiet on his voice).

Still... I'm getting a touch of noise. Looks like I won't lower it without buying an $800 preamp (please tell me I'm wrong).

Maybe the Angus is quieter. Even if it got 10gb clean gain, as long as it lowered my noisefloor, I'd be happy.
Old 3rd April 2019
  #3
Gear Maniac
 
terence's Avatar
 

Just a correction. The. Radial McBoost output impedance is 220 Ohms, not 2.2k.
Old 4 weeks ago
  #4
Gear Head
 

As the level control on the McBoost is differential across the output the output impedance varies with the control setting. As the gain setting goes down the output impedance also drops. The pot has a 100 ohm resistor in series with it so the gain cannot go to zero.

The Cloudlifter works the same way.
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