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Just because they are "old" 60s pre amps does not mean they are going to give you any "60s mojo". I would like to see a schematic but I am betting they are just the common or garden 'hybrid' pres consistIng of a pair of bipolar transistors and a fairly bog standard op amp (i.e. not even the...

I am very practical! Just coz I know a bit o theory don't make me useless! I would STILL like to know if you are totally confident that your whole recording chain is earthed and if you don't own a $20 digital multimeter bloody get one! It is THE most valuable 'non musical' thing the recording...

Have a hack round for the free Samplitide ProX 2 Silver*. Sam is a very good editor. Also, just for editing don't forget Audacity? Runs on anything and totally free and zero hassle. If you use it don't forget to "export as .wav" otherwise nothing else will play the tracks. *going to have a look...

Yes MC, do do a bit of reading! I know many people think "electronics" is a deep and mysterious subject but the basics are not, not really. My maths never got past simultaneous equations and I have long forgotten that! Ohms Law, the relationship between volts,amps and resistance is just the same...

I am ONLY talking about the Zed 10 and its possible 16 bit shortcoming! My USB mic is nowhere near as noisy as I recall the Zed being. The 100% spectrum shows a spike at precisely 8kHz. Ideally that should not be there and is an artifact of the mic's converter I would say. The hum at -60dB is...

Well have a bit of faith and try it! Naturally you have to crank up the analogue input level. I no longer have such a device to demonstrate the effect. Dave.

I am not sure of the exact mechanism but the old 16 bit converters in many brands of USB mixers had this problem. Windows defaults the "gain" for the input device at 100% and this results in the hash, similar to what we see in your spectra. The fix is to reduce input gain drastically in Windows...

Such a mixer is very useful if you need its various functions. Without finding the user manual I shall have to guess but you should have inserts for each mic channel to run external effects. Each channel should have at least 3 band EQ and a tunable MID. The monitor section should have PFL, AFL...

My apologies! i cocked up the first download of that clip (i was fine with "Save Target As" Bloody microsoft!) Yes, the guitar is averaging around -18dBFS and peaking to some -6dBFS. That 60Hz hum is at -40 or so. I cannot find a review of the Samson DI I trust. The various Amazon comments are...

Ah well! See Rob I LURVE making up cables, the more complex the better. I also like designing rigs to test them. I have a CATX 'chase' 2 part test box, less than a score and I intend to make adapters for it for XLR, DINs whatever. Handy for a studio situation because you have a send unit and...

Why buy a 45 yr old mixer with all its ongoing reliability issues when there are scores of modern preamps about with just about any "flavour" you can imagine? I see the Antelope has ADAT ports so you have a choice of I would think over a dozen 8 way pres to start with. From the ultra pure RME...

Think long and hard friend before acquiring a complex piece of 45 year old electronics. Even if everything works perfectly on it now (which I doubt) you have to face constant upkeep which will be increasingly difficult as the years pass and parts become ever more rare and expensive. If you are...

But still no guitar! Therefore we do not have a reference level for the hum. BTW are you using the mixer as the interface? That is making a USB recording? If so can I suggest you have a very early, 16 bit zed10? We do. Dave.

Nice! My son has the exact same mixer and yes, it does have high Z input options, are you using one? He has no problems with a passive Telecaster. You need to check your kit is earthed I think. Dave.

Do we know the make and model # of the mixer? Some mixers are earth free, my Behringer Xenyx 1202 is one such* The DI box makes the guitar a balanced input. Maybe check the mixer and all the system has a solid connection to mains ground. *But does not have any high Z inputs so not suitable...

Heavy 1" Iron conduit might reduce EMag radiation a bit but I doubt it would make much difference. If the tubes were securely bonded to earth that would kill all electrostatic radiation. Due to that 60Hz spike I am convinced this is due to a transformer somewhere. But! We still don't have a...

Yes, bang off the main breaker(s) and run laptop on battery. The OP's noise has two features that tell a story? Firstly the main (huge!) peak at 60Hz. That can only come from direct mains 'injection' almost certainly 'magnetic' and likely a transformer. Equipment hum will be 120Hz (100Hz EU)...

Ah, when you mentioned "overhead cables" I was thinking 132kV pylons? Yes, run the guitar facing N S E and W. Dave.

"I can't stand it when companies change their model." Well, strictly speaking they haven't, Borisfx .com have bought them out? A year's subscription is £110 which is what I shall do. The good news is Sam 2025 supports VST3. If you wanted to change DAWs the most cost effective by far is Cockos...

Hi there! I have used Samplitude for many years and presently have Pro X suite 6 on this laptop along with Pro X2 Silver* which I fire up much more often. I have Pro X suite 3 on an old HP lappy and even SE8 from a magazine freebie years ago! But I am neither musician nor song builder. My son...