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Old 11-18-06, 12:33 AM   #8 (Link)
terry j
Senior Shackster
Alias: terry
Loc: bathurst nsw australia
User: #1819
Since: Jul 2006
Posts: 399
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Re: accuracy of REW for full range measurements?


thanks bruce

you may know by now that I managed to get the soundcard calibrated successfully. I remember having trouble originally, but saw a flat line once in my testing back then and moved on.

All the speakers have come back inside, the mic has just been thrown in front of the speaker any old how, so the actual graphs won't match, except 'in kind'.

So, to set the scene with new graphs, because of the above changes, I was getting 'crazy' graphs remember

eq not flat on 802.jpg

On your advice and suggestion, went into 'retrace steps from the beginning' mode
and reset the soundcard. Then I decided, as it was all set up, to measure the Xenyx 802 as you had when you did the UB 802.

And guess what I found??? The eq knobs in the mid and treble had been turned way up!!

I hadn't touched them, so I never even thought to check ha ha. Maybe one of my daughters, or even maybe it got kicked, but it sure would explain that huge rising response from about 1k wouldn't it ha ha.

eq set flat.jpg

there we go, mystery solved and lessons learnt.

lots of love

and really do appreciate your patience and help,

terry


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