Multi Volt
how to set gains with a multi-meter?
how set gains i cant afford the tpi scope 440 right know, so the multi-meter is the best option for me and also the the volts,chart and all the info that is needed to set it right!! thanks
First, download some pink noise from here and burn i to a cd.
http://www.burninwave.com/
There are a lot of useful wav files there, u can use em all if you want to test how responsive your system is and to set up an eq, but to set the amp you’ll need pink noise. Pink noise plays all frequencies at once, and takes into consideration that as frequencies gradually get lower, more wattage is needed to reach the same db level. This is especially good for sub amps because u don’t have to pick a single frequency to set your gains to. (some ppl say use 60hz or 45hz or whatever)
2nd, have your system wired up except for the actual speakers, have the gain of the amp turned all the way down, and put your cd into the cd player. u might want to put the pink noise track on repeat. eq’s set to zero/flat
3rd, some ppl say turn the volume to 3/4 and then don’t ever turn it up past 3/4 volume again, because it will clip. I disagree with doin it that way. i say turn it to max with the pink noise playing, this way it shouldn’t clip even if you decide to crank the volume to max. plus u get complete control of volume level, rather than just the first 75%
4th, use the 3rd calculator on the link below, punch in how many watts you need it to be, and the ohms of the speaker you’ll be hooking up and it will give you a voltage to aim for. Now with the pink noise playing, have the voltmeter on AC and connect it to the amp’s speaker terminals, slowly turn up the gain till u reach your voltage. Connect the speakers.
Done.
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