What’s inside the Triton Audio Fethead - Overview & Teardown.

Fethead clean preamp for dynamic microphones overview, teardown and review and demo in use with the Rode PODMIC for live streaming, Podcasting, Recording video and twitch. Testing with PreSonus 24C and Rode Podmic and OBS. This is a non bias review as I purchased this my self for my KZbin channel.
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#RODE
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[@PaladinNathan]

I'm not quite sure why this video has so little attention, because it deserves so much more! Really informative and very helpful in making my decision, thank you, you've earned another subscriber for sure.

[@MadRC]

Thanks man I really appreciate it. Sadly I don’t rank for AV gear in the KZbin algorithm so it don’t get the views. I still wanted to make it though as when I was looking to buy it I could not find this info out there.

[@egyfirst]

@@MadRC You are right. This deserves a lot of views and subscribers than it is

[@ConorFenlon]

Excellent info here, thanks very much for your analysis and professional demonstration 👍🏻

[@egyfirst]

You are amazing. Thank you for that great explanations on this video

[@MadRC]

Thank you I really appreciate the kind comments.

[@sinerehber]

Very good review !

[@timmylawlor6821]

that was great thank you

[@danfuerthgillis4483]

Hahaha " it's that simple" SOLD!! no nonsense electronics perfect.

[@StarWarsJay]

This is just what I needed. I have a Rode Podmic and a Scarlet 4i4. I need to turn the gain right up on the 4i4, but then of course I get hiss. Thanks for the info mate. Nice shed by the way!

[@MadRC]

Thanks, its perfect for that as I had the same issues.

[@robertofelipeloayza6458]

Very well done review. Have you already taken a look at the Triton Fethead Germanium? Is there much difference?

[@untetheredlive]

Hey, is there any reason I could NOT install the Fet-head before the cable, meaning plug it into the audio interface, then the cable, then the microphone? I know they always say to put it right behind the mic, but I've done both ways and I can't see the difference. Will it hurt anything? Thanks.

[@teddycook1299]

It should be at the mic to get the highest signal/noise ratio at the source. Although balanced cables reject /most/ noise, with the Fethead at the interface you’re applying 28db gain to the noise that the XLR picks up over it’s length in addition to the noise generated by the mic itself. Depending on your cables, electromagnetic environment, and other variables, this may or may not make an appreciable difference in noise floor, but the “correct” way to use this is as close to the mic as possible. Same goes for other devices, i.e. a Cloudlifter should be connected to the mic over as short a cable run as you can stand. The Fethead’s ability to plug directly into the mic is actually a huge selling point. Hope that helps.

[@slevinshafel9395]

Thank you for teardown it and dont make me do it. Chers from Spain.

[@jaimelive]

Damn! That's small! I wonder if the size is a requirement to prevent noise or if I could just pull out the circuit and build into a connector to clean up my setup. Tempting.

[@ShimiHalperin]

One thing that worries me is the physical leverage on the mic itself with the long fethead connected. Do you think this is a legit worry? Obviously the cloud lifter is outboard, so it doesn't increase the size of the XLR plug.

[@uziasmorales294]

I have the fethead just curious i plug it straight into my inteface instead because i feel like its safe. Is there a difference, do i lose any gain or quality ?

[@MadRC]

As close to the mic will reduce the noise as much ass possible but if you have no issues with background noise then your good.

[@bAchEzy]

Have difference between connect the Fethead filter in the back of the mic on in the other side in the Interface XLR input?

[@MadRC]

Really as close to the Mic as possible is ideal as you are not amplifying nose that’s introduced in the cable but the difference is minimal on a good setup.

[@chiruflute]

Can i use this for live performances?

[@xjet]

FET amps are pretty simple. What I'm wondering is why they've got so many FETs in there. I was expecting only two FETs -- one for each of the balanced audio signals. I'm planning to build an inline FET pre-amp for my dynamic mic.

[@MadRC]

It’s an interesting setup. Also not sure where the £65 is 🧐

[@xjet]

@@MadRC Most of it is probably in someone's holiday fund by now :-D

[@CalamityLime]

The jfets are connected in Parallel (I'm pretty sure that's the word for it.) I had a google and the jfets seem be the 2sk209's, cheap little things at about 30cent-ish a piece. It's a nice simple circuit but I'm guessing the only reason they changed the circuit over their old dual jfet design is because the old 2sk170's are little hard to get, not to mention that the 2sk209's are a lot cheaper than the lsk170's. I'm sorta taking a few educated guesses here so don't hang me if I'm wrong somewhere.

[@ConorFenlon]

The circuit might only have the 2 audio lines amplified while utilising all 4 jfets by using 2 Darlington-pair arrangements, to effectively "amplify the amplification" of each line. Just guessing, as I would need to see more of the circuit to draw out a schematic. In any case, that circuit is not worth anything close to 65 quid.

[@ConorFenlon]

After some revision I stumbled upon the AB amplifier arrangement, which could explain the diodes, as 1 AB amplifier utilises 2 diodes to minimise crossover distortion, so that might be why there are 4 diodes as well. Could be 1AB amp per audio channel. The problem is, an AB amp uses 1 NPN transistor and 1 PNP transistor, which isn't the case here, if those are indeed JFETS on the circuit board. (BTW: I'm a 3rd year Electronic Engineering student, so I love trying to figure out this kind of stuff.)

[@dj_coldshower]

The other commenters are correct! Thank you for this informative video!

[@MadRC]

Thanks for the comments i really appreciate the feedback.

[@ClassicalRomance]

For a total of 8 electrical pieces, 3 wires, 2 XLR pins, 1 case, 1 dummy logo ring at 62 pounds.

[@ConorFenlon]

Hi, is there any chance you could take a hight quality closeup image of both sides of the circuit please? I'm not quite certain they are JFETs, they might be the 2SD1048 NPN bipolar junction transistors (due to the code being X-6). I'd like to confirm this to be certain, I'd also like to see if I could reverse engineer the schematic and possibly run through how much the device would actually cost to make. Thanks again for all the info.

[@samighoul-duclos1461]

Was searching around for a similar thing and just found a JFET with the same X 6 marking, the Toshiba 2SK209-GR(TE85L,F) lcsc.com/product-detail/Junction-Field-Effect-Transistor-JFET_TOSHIBA-2SK209-GR-TE85L-F_C61792.html It looks to be very similar and the same package. Also, Toshiba transistors seem to be a common sight in audio-related equipment, so while I'm not 100% confident it's this exact part, it looks like it may be.

[@BdeJJG]

Update lmk

[@BdeJJG]

@@samighoul-duclos1461 what about yourself, you got an update?

[@samighoul-duclos1461]

Also, cost: not so much lol

[@user-gz7cd2we2v]

Can be used with a wireless microphone like shure sm58 blx24?

[@MadRC]

It can be used on any mic you using via XLR.

[@Irshaad88]

Need 70db for the Rode Podmic? 😂 not even the SM7B needs that much!

[@cipriandiac]

Change title to "What's inside Triton Audio Fethead" and your views will explode!

[@MadRC]

Let’s do it. Just done :).

[@bitpower109]

@@MadRC 3 years later: That's why I'm here :D