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ButterFlo�
Copper Member
France
23 Posts |
 Posted - 03/18/2009 : 23:20:51
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Thank you sir, I'll be sure to remember the lesson.
Nah, seriously, you're right, I think I'm just to much of a fan of using gear the wrong way to see what it sounds like, and I went too far. Thanks for putting me back into the musical track..
Good night (or whatever it is over there).
Flo� |
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DavidLopezJr
Copper Member
2 Posts |
Posted - 12/28/2009 : 21:20:41
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| Where can I find out this stuff is? "You will need a scope and a 200Hz test tone" What type of scope will I need? Cause I think I have one just not sure and you said you made your test tone? Are they not cheap to buy? |
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Dr. Bob
Moderator
Australia
6593 Posts |
Posted - 12/31/2009 : 16:28:41
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Hi DavidLopezJr
Because you are only looking at audio frequencies, any Oscilloscope,
of around 20MHz will do,
other than for a really old & cheap 15MHz one I saw years ago,
I think 20MHz is about as low as most manufactures go these days.
The signal can be from some freeware tone generator software,
if you don't have access to a signal/tone generator.
A lot of guys I know use the line out from their PC sound cards.
& sometimes wire in a variable pot, to do some fine adjustments on
the signal levels.
be careful using the speaker outs, a lot of cards can deliver about
3 Watts out on that port/socket.
Testing pedals you will only be using low level signals.
from 10mV to perhaps a few hundred mV.
I hope this helps
Regards Dr. Bob  |
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DM-2 and DM-3 trim-pot adjustments... EASY
