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No one has mentioned Leed's . Open by appointment 4 or 5 days a week. Probably close to half a million tubes in that place and they know how to test them. Also great for switches, knobs, pots, big old caps, transformers, all things NOS. They cater almost exlcusively to tube gear. Richard is a very k...

As is self-evident your mic pre will be significantly underpowered, and this will most likely result in shitty sound. However, I can not imagine how this could hurt the mic pre at all. If anything it's going to hurt the wall wart (in the form of heat, most likely) to have the mic pre trying to suck ...

Need more specifics in order to answer this question. - what is the wallwart spitting out, AC or DC? If AC, then it's simply a step down power transformer, externally packaged, to give the units internal DC supply the AC voltage it needs i.e. 24VAC or whatever. No need to replace this. - If DC is it...

Came across this paper in my daily reading and thought it'd be worth posting here. Shows two examples of (presumably) popular input buffers for A/D and discusses common mode rejection. That corp says their chip can yeild a minimum CMRR@60 Hz in excess of 70 dB (CMMR = common mode rejection ratio), a...

This guy makes some nice mic pres... and him too.

Correct me if I'm wrong, but I believe that Sytek and FMR are very small, maybe 2 or 3 people, operations. I know from experience that being a very tiny company is a bit of a double edged sword in terms of costs, but you can operate with significantly lower overhead than the big corps, hopefully all...

To summarize, why aren't your designers also end users?

still available

What the two Daves said is the way it is. The amount of center attenuation is called a mixer's "pan law". Different consoles and DAWs do it differently. I think there is one piece of software which has no center attenuation, whereas Logic Audio allows you to choose between two or three different pan...

each of you who dog recording schools are probably part of that small fraction of the human population who are extremely motivated and extremely good at learning things on your own. School is a waste for you because you are already pushing yourself outside of the classroom. Awesome post, bannerj!!!...

I just read over the Lavry Blue manual and it looks like there are transformers in some of the digital paths, specifically the AES/EBU input, but they're not used for analog buffering the A/D section... but I'd love to be proven wrong.

soundguy wrote:This is what happens when recording engineers are just knob turners. They cant communicate with designers on even a 'fo technical level, so they get stuck with whatever designers give them. Corners keep getting cut, users mouths keep staying shut, its a bad cycle.

AMEN!!!

how do you replace the input stage if the entire converter is on a single chip? I thought most devices used single chip converters. Well, I was under the impression that good converter companies, while they're stuck with whatever digital chips the semi people put out, do design their own surroundin...

If the anti-alias filter is in the active buffer stage, that is a pretty damn good reason for them. Got any transformers with anti-alias filters in them? No, the filter is a separate stage. Dave is simply talking about off the shelf IC op amps. You could use op amps as part of your filter design, b...

bradb wrote:purple audio is offering their M76 (1176 style comp) or whatever its called in partial kit form.

http://www.purpleaudio.com/Product/MC76Kit.html