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Why did you have the board changed on your MOTU Traveler Mk3?

Am 06.10.24 um 22:40 schrieb thet via groups.io: As far as I am aware, this is with Apple and everything audio per firewire. I have the same trouble with my Beyerdynamic Headzone

well my circuit has P48 at the other end (output) but not at the input I'm trying to protect. I'm concerned about stray ESD rather than P48 imbalances or plugging pins making contact in the wrong

I am in the same boat regarding my RME fireface interfaces. however I have read in some forums from multiple sources that in reality the fireface interfaces still work right up to sonoma, even though

Am 06.10.24 um 21:43 schrieb Richard Lee via groups.io: Things are a bit hectic here, at the moment, but I will have a look in the next few days and take some photos so you can see for yourself. My

I think my FETbias.doc in /g/MicBuilders/files/Ricardo/FETbias is what you want.

I use BAV199 for 'common' amps and 1n4004GP for stuff which might see P48V.? My guess is this is OK up to 10M.? But Jules is the authority here ... as THAT & Wayne are for P48. I wouldn't use

thet: Yes. And: https://www.thatcorp.com/datashts/AES5335_48V_Phantom_Menace.pdf -------- Best regards, Goran Finnberg The Mastering Room AB Goteborg Sweden E-mail: mastering@... Learn from the

yes they are expensive for a donor body - but they look much more solid than a BM800. The ease of disassembly and the layout of the interior is exactly what I was hoping someone here might

OK, so I accept it is impracticable on a condenser mic - the broader question for me is? - What is the upper limit of input impedance where a diode ESD protection scheme can work effectively with

Too expensive for me. Also I bet the interior would require too much rework or a new custom frame to hold a different capsule and circuit board.

Am 06.10.24 um 02:35 schrieb Richard Lee via groups.io: More like 10 years or so. But the board has been exchanged by MOTU, a few years ago. Ralf -- Ralf R. Radermacher - K?ln/Cologne,

BAV199 are suitable for mike preamps like THAT 1512 but are too noisy for condensor mike stuff.? You want something like Ir 0.2pA.? There's nothing spec'd to that level as its very temp.

How would you know when it's done its job? just the noise levels? If I have a build where the protection diodes are not replaceable separately from the fet they are protecting, what specifications of

Thanks Richard this is setting me on the right track, but I have more questions... yes, I think it is degrading my noise levels even at the <5M input impedance of the circuit I linked to. no space

All P-N junctions become noisy under circumstances, particularly when they're driven in their Zener region. I would say that a diode that has done its job of protecting a low-noise circuit should be

Hi use xlrs pin 1 shield longer than 2 and 3 pins earth contacts first....

How many months have you had your Traveler Mk3? Can you open it up and tell us what diodes it uses on the mike amps?? They are large and pretty easy to spot.? Should be 4 on each input near the

I’m using the diodes am as this is text book protection for opamps Can’t speak to FET’s or a >10M input impedance Best Regards, Jules Ryckebusch

Am 05.10.24 um 23:04 schrieb Richard Lee via groups.io: Never noticed anything like that with my traveler MK3. Then again, I use it mostly for recording... errr... noise, i.e. street scenes