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"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
Two to one is indeed a 6dB loss. 20log 2. Dunno where IC's head was!
But 10+10k will give you a bit more than 6 dB because Z out is never zero and Z in not infinity. Best way IMHO is to do what IC suggested, use a pot to find the loss you want then measure the two resistances so set and duplicate them with fixed Rs.
NB Always put attenuators at the SINK end not the source otherwise you could get HF cable loss, the dreaded "Tone Suck" as you gitiists would have it!.....And, LABEL THE FEKKIN' CABLE!
Of course SOME amp makers (cough!) give you decently low OPZ and high IPZ and a +4dBu/neg 10 option to boot!
Now, Maplin do a Lucky Bag of resistors and in it you will find some very wee ones and some weird values. Could be just the ticket!
Dave.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
Well it is not really a mistake because the "classical" figure of an INTENSITY change of 10 to 1 for a perceived halving or doubling of loudness was arrived at (years ago!) using AFAIK steady tone and lekky guitar is hardly that!
One thing I would say to anyone playing with and interested in sound, recording etc is, buy a cheap SPL meter. If you cannot run to one with switched curves get a C weighting jobby. Can be had well under £20.
Dave.