Realistic MPA-100

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Time to play with this one

Had to borrow a fuse holder cap and a fuse and put it on the big ugly DBT with 60w bulb

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Next input signal 1Vp-p and hooked scope probes to input and (16 ohm) output
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Input channel one and output channel two

Amplifier power off (ch 1 at the bottom)

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Next amplifier power on and had aux volume at half and master volume at half
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Not much amplification going on 
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Next I tried to max out both volumes and see the result but it started flattening out the top of the output

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The most output I could get is about four Vp-p

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Now...granted there are a bunch of switches on the back so who knows
And...idk what I'm doing 
So there's that but it looks like it works to me idk 

One really wierd thing that happened...I could hear a very faint hum with the power off.  I leaned in to listen better and thought wow is that my 1 khz signal ?! So I reached up and changed the frequency and yes it was my signal I could hear it with the amp power off