Korg pa 900 User Manual page 376

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Effects
372
Overdrive, Amp models, and Mic models (OD Amp Mic)
b, f: Saturation [%]
With higher settings of this value, the waveform will change at
high gain levels, tending to cause distortion. Lower settings of
this value will produce linear response.
Out
c: Tube1 Bias
This expresses the effect that changes in vacuum tube bias have
on the distortion of the waveform. Higher settings of this value
will produce distortion even at low gain levels. Since this will
also change the overtone structure, you can use it to control the
tonal character.
Out
d: Tube1 Phase
With the Wet Invert setting, the phase of the signal will be
inverted between stage 1 and stage 2. Since "Bias" is applied to
the inverted signal in stage 2, this will change the tonal character.
Mic/Pre Amp - Saturation
Saturation = 0
Saturation = 50
Saturation = 100
In
Bias = 0
Mic/Pre Amp - Bias
Bias = 100
Bias = 50
Bias = 0
In
Satulation = 50
24: St. Tube PreAmp
(Stereo Tube PreAmp Modeling)
This is a stereo vacuum tube preamp simulator (See "Tube Pre-
Amp Model (Tube PreAmp Modeling)" on page 371.).
Stereo In - Stereo Out
Left
Left
+
Tube Pre Amp1
Invert
+
Tube Pre Amp1
Right
Right
25: Mic Model+PreAmp
(Mic Modeling + PreAmp)
This effect simulates a mic and vacuum tube preamp. You can
choose from various types of mic and positions to create differ-
ing sonic characters.
FX Amt = 100: Mono In - Mono Out / FX Amt = 0: Stereo In - Stereo Out
Left
+
Mic Simulation
Right
Vintage
Dynamic, Multi
Condenser,
Percussion
Condenser,
Drums Dynamic,
a
Mic Type
Vocal Dynamic,
Multi Dynamic,
Vocal
Condenser,
Vocal Tube,
Kick Dynamic
Close, On, Off,
b Mic Position
Far
Tube Low Cut
Thru, 21...8.00k Sets the frequency of the low cut
[Hz]
c
53...20.00k,
High Cut [Hz]
Thru
Tube Gain [dB] –24.0...+24.0
d
Saturation [%] 0...100
e
Tube Bias
0...100
Tube Output
f
–48.0...+0.0
Level [dB]
Dry, 1:99...99:1,
Wet/Dry
Wet
g
Src
Off...Tempo
Amt
–100...+100
b: Mic Position
This expresses the effect that the mic position has on the sound.
The Close setting is the closest mic position, and the Far setting
is the farthest.
FX Amt
FX Amt
Tube Pre Amp2
Output Level
Tube Pre Amp2
FX Amt
FX Amt
FX Amt
Tube Pre Amp
Output Level
FX Amt
Selects the type of mic
Sets the mic placement distance
filter
Sets the frequency of the high cut
filter
Sets the input gain to the vacuum
tube preamp
Sets the input/output response of
the preamp
Sets the bias level of the preamp
Sets the output level of the preamp
Balance between the wet and dry
signal
Table , "Dynamic Modulation
sources, " on page 357
Amount of modulation source

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