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fnb112: Hommasin moisen jokin aika sitten ja mistään ei tunnu löytyvän selkeää infoa siitä, milloin tuo kolmialueinen eq on täysin flatti.
 
Ilmeisesti bass ja treble klo 12:ssa ja mid nollassa. Tuskin siitä ihan suoraa saa millään. Tällainen sepustus löytyi talkbassista:
 
"Hey guys. There was a big thread on this quite a while back. The Mesa manual with that 'passive but boost only' is a bit confusing. The way this was explained to me is that the treble and bass controls are standard active boost and cut controls, where noon is the 'relatively' flat position on the Mesa MPulse heads. The mid control is a passive 'cut only' control. However, it is impacting an internal active mid boost control. So, it is a passive cut impacting an internally set active boost!
 
This is how it was explained by someone who dug into the workings of that pre a while back, so I might not have it 100% correct, but that's the basic 'passive boost' thing."
 
Manuskassahan lukee että:
" The BASS and TREBLE controls are active
type controls with a broad response even though they are acting primarily on their
center frequency Q point. This broader response works extremely well with the passive, broad-band MID control. Because BASS and
TREBLE are active controls, they actually cut (or notch) the region around the Q point when the control is set below 12:00, and
boost
these frequencies when the control is set above 12:00. The MID works like a normal passive control and boosts a broad band of
frequencies as it is increased."