TritonAudio FetHead

Microphone Preamp

  • For dynamic and ribbon microphones
  • Extremely low-noise Class A JFet amplifier
  • 27 dB gain (@3 kOhm load)
  • XLR 3-pin female to XLR 3-pin male
  • 4 Coordinated JFets

Note: Requires 24 - 48 V phantom power and does NOT transfer phantom power to the microphone.

Further Information

Channels 1
Number of microphone inputs 1
Instrument input No
Tubes No
Compressor/Limiter No
Equalizer No
De-Esser No
Phantom power No
Phase Reverse No
External effect loops No
Analogue Outputs XLR
Digitale Outputs 0
Headphone connection No
Level Meter No

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Our most popular Preamps
516 Customer Ratings
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It turns my SM7B into a Beast
Gunso, 28.01.2021
Title pretty much sums it up.
The gain boost makes a night & day difference on my Shure SM7B.

Comparing it with the same mic but without the FetHead, I'd have to keep my microphone gain on my Scarlett 2i2 on max. volume just to get the same amount of gain that I'd get at around 35-40% with the FetHead on the same interface.

If you have a Shure SM7B and you're looking for that extra gain, I can't recommend the FetHead enough. It's a must have.

Although keep in mind that you can't plug it into the interface, you have to plug it into the microphone directly, otherwise you'll have a lot of noise. Not sure if it's a FetHead thing or a Scarlett thing.
Also, not sure if worth mentioning but since the SM7B is a dynamic microphone, you'll have to turn on Phantom Power on your interface after putting on the FetHead.
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Simplifies dynamic microphones with possible noisey interfaces
No Nayme, 17.11.2020
I use the triton FetHead with an RE320 - and a scarlett 2i2 - for online teaching (covid means teaching from home). Tried it with a 421, and a 57, and a beyerdynamic mkii, which all respond well.

Really simple to use, plug and play.

Nice clear clean gain boost once phantom power is on

No change to tone detected, but I haven't gotten Forensic with it, the boost in gain means less gain on the preamp, so no noise from lots of gain on the interface, and seems clean with long cable runs - haven't gone beyond 10m cable/run - but I'd trust it, and try it with a longer run, if the need arose.

It's plain and simple, - no features, no buttons or dials or switches,
feels sturdy - not sure how it'd take a knock while in the microphone, (if it took a knock looks like it could damage itself or the microphone) but once it's unplugged it transports easily - very small, could fit in a pocket or a pouch on a backpack, very easily and seems like you could drive over it without any issues.

Very happy I bought it, immediately made me want to buy another - perhaps the germanium one.
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A must-have for dynamic and ribbon mics
UrosR, 27.12.2020
I use it with all my dynamic and ribbon mics. On some interfaces, especially on scarlett (I use 2i2 2nd gen), I can hear the difference between two SM7B mics, of which only one is attached to a FetHead.

It makes me feel secure knowing that expensive ribbon mics are protected from phantom power, which I did accidentally turn on in the past :(

You can't go wrong with it. There are no buttons. I plug it into my mic, attach an XLR cable and it works.

Some mixers don't allow you to turn on phantom power for each mic input separately. FetHeads make it very easy if you're using a combination of dynamic and condenser mics. Using FetHeads, mics sound better with phantom power.

These are 4 advantages of a FetHead. So far, I haven't found a single disadvantage. In my opinion, this is a must-have item for dynamic and ribbon mics. Of course, you could buy a more expensive alternative, but there is no cheaper one.

If you spend a lot of money on a studio mic, why not add a FetHead which so many recommend?
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Getting +25 dB Gain with RODE Procaster + Rodecaster Pro
Dr D, 15.11.2019
Before I had the TritonAudio Fethead connected to my Rode Procaster microphone, I had to set the pre-amp gain to + 35 dB on my Rodecaster Pro interface. Now with the Fethead between the mic and the audio interface, I have the gain set to just 10 dB. Overall the sound quality is virtually the same. I can barely hear the Noise Gate activation with the Fethead attached, however the EIN floor is -130 dBu with the Fethead, as opposed to the Rodecaster Pro EIN of -125 dBu. Therefore, I have slightly better SNR (Signal-to-Noise Ratio) as the signal is stronger at lower pre-amp gain, plus the noise floor is lower, by around 5 decibels. The sound quality is extremely clean when recorded directly into my computer using Adobe Audition. So, I am very pleased with this product - it improves my input noise and means that I need very little audio interface gain to get a decent sound output.
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£48
Excluding VAT; plus £8 shipping
Available immediately
Available immediately

This item is in stock and can be dispatched immediately.

Standard Delivery Times
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