3 votes
Accepted

How to power-off digital mixer to power off safely

As detailed in the online manual In general these days, the power-off switch on digitally controlled pro audio equipment initiates a controlled shut down procedure instead of just killing the power ...
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2 votes
Accepted

Speak - amplifier wattage matching

44W at 8 Ohm means delivering 2.3A at 18.8V RMS. Now assuming that the 2.3A can also be delivered at lower voltages (note: that isn't self-evident since it means a larger maximum voltage drop across ...
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2 votes

How to power-off digital mixer to power off safely

It depends on the digital mixer. Many digital mixers run on firmware rather than software and such firmware is much simpler than a modern operating system, so sudden loss of power is not a concern ...
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  • 8,091
2 votes

How do you use gain effectively?

The importance of gain is often overlooked. Many recording interfaces have some sort of clip meter Indicator (often in the mid price a single red light). Manufacturers often recommend setting gain ...
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1 vote

Electronics noises

Requests to find off-site resources, locating or naming a particular sound are often relevant only to the original asker & rarely useful to future readers. They are also an unsearchable resource. ...
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  • 7,059
1 vote

Power supply for guitar effects

The reason for using isolated power is that variations in the voltage provided may impact the processing of effects, particularly when using analog effects. Isolated power prevents the power ...
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  • 8,091
1 vote

Using a graphic equaliser for open loop current control

Lets start with a picture describing your setup: On the left we start with a Signal Generator, its output measured in V1. From there we input in an EQ, its output measured in V2 From there into the ...
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1 vote

How to fix my grado headphones?

Open your headphones. Strongly resolder your cables. Add some electric tape around your wire Close back your headphones. here are videos that show you how to open Grado SR-60: video 1 video 2 I ...
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  • 1,095
1 vote

Fixing low-frequency hum in an undersaddle acoustic guitar pickup

After reading all the solutions submitted, I didn't see the one that worked for me. The copper shielding tape one almost matched mine; however, mine is an even easier fix. When I replaced my saddle ...
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1 vote

Fixing low-frequency hum in an undersaddle acoustic guitar pickup

After some time hunting down the same issue I completely fixed the hum by continuing the copper shielding around it right back to the Fishman electronics. I used stick-back copper tape that I'd left ...
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1 vote

Fixing low-frequency hum in an undersaddle acoustic guitar pickup

just fixed hum issue on a prefix plus by removing saddle and pulling pickup out, dusted slot and very slightly sanded saddle thinner, was still humming badly, put back together and half way through ...
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  • 11

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