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lukeamdman

Luke's basic amplifier tests

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Hmmm. Interesting. Frequency response spec looks not so great though. 

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2 hours ago, Ricci said:

Hmmm. Interesting. Frequency response spec looks not so great though. 

Does that matter when you're applying a correction curve anyways? I calibrate the devices which are not part of the DUT section, so I tend to not care so much.

Good pro audio gear is expensive, but it's still nothing compared to proper measurement 'lab' gear. I'm going to get 4 of those BSS DI boxes on Saturday, I can post a FR if you like.

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It may be relatively flat down to 5Hz. Can't say for sure without measurements. Curious that the spec is 30-20kHz though. If it was 20-20kHz I wouldn't question it, but 30Hz is a bit odd for an electronic component, which is why it stuck out to me. I wonder if it changes with input pad?

I avoid cal files as much as possible for a measurement rig. Especially if big corrections are needed. They are a necessary evil sometimes though. 

Good luck. Post a frequency response if you get a chance to take one. 

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Hmmm. They seem to work fine for me. Do you mean the amp test links in the first post? 

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