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Grand HDF Member
Joined: Sep 2017
Posts: 3,719
Likes: 919
From: Southern Virginia
It looks to me like the problem with that ET826 is that it has a very low resolution LCD screen. I don't see how ANY waveform could be shown precisely. I'm sure it's good for basic AC voltage troubleshooting but for the precise waveforms we are looking for it just looks to be too grainy of a screen to me. Almost like getting a 640x480 monitor when you really need a 1920x1080 one 
Being fair to that device it don't actually CLAIM to be an oscilloscope, it says "graphical multimeter" which isn't the same thing.
Being fair to that device it don't actually CLAIM to be an oscilloscope, it says "graphical multimeter" which isn't the same thing.
Seasoned HDF Member
Joined: Jul 2017
Posts: 5,749
Likes: 1,603
From: High Point, NC.
It looks to me like the problem with that ET826 is that it has a very low resolution LCD screen. I don't see how ANY waveform could be shown precisely. I'm sure it's good for basic AC voltage troubleshooting but for the precise waveforms we are looking for it just looks to be too grainy of a screen to me. Almost like getting a 640x480 monitor when you really need a 1920x1080 one
Being fair to that device it don't actually CLAIM to be an oscilloscope, it says "graphical multimeter" which isn't the same thing.
Being fair to that device it don't actually CLAIM to be an oscilloscope, it says "graphical multimeter" which isn't the same thing.
But the title on Amazon says "
Oscilloscope Multimeter, 2-in-1 Intelligent Digital Scope Meter Multimeter, Professional LED Handheld Oscilloscope Multimeter with 200ksps A/D Automatic Waveform Capture Function
Anyway, I shouldn't be derailing OP's thread.
Thread Starter
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Road Master
Joined: Apr 2021
Posts: 981
Likes: 134
From: Vancouver Canada
I'll keep posted when all done.
Stellar HDF Member
Joined: Jul 2016
Posts: 2,211
Likes: 668
From: Andover, MN
I ran them at 130ish and that was plenty for them. I would start at 150ish and go from there.
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Road Master
Joined: Apr 2021
Posts: 981
Likes: 134
From: Vancouver Canada
How about the YB...hit em with the full 223?
Seasoned HDF Member
Joined: Jul 2017
Posts: 5,749
Likes: 1,603
From: High Point, NC.
If you're not going to run a dsp, I wouldn't push either of those speakers past a safe amount of watts. DSP gives you much more control of which frequencies you "allow" a speaker to output. Without one, pushing the limits of watts to a speaker means there's a greater chance of introducing distortion.
Thread Starter
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Road Master
Joined: Apr 2021
Posts: 981
Likes: 134
From: Vancouver Canada
If you're not going to run a dsp, I wouldn't push either of those speakers past a safe amount of watts. DSP gives you much more control of which frequencies you "allow" a speaker to output. Without one, pushing the limits of watts to a speaker means there's a greater chance of introducing distortion.
I thought a DSP isn't essential when running 2ch stereo system.
I'll start in a safe zone and work my way up.
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Seasoned HDF Member
Joined: Jul 2017
Posts: 5,749
Likes: 1,603
From: High Point, NC.
It's not until you start talking about pushing speakers to their limit or close to it.