Korg Pa4X User Manual page 718

704| Effects for the Sounds
Tube PreAmp Model (Tube PreAmp Modeling)
This effect simulates a two-stage vacuum tube preamp. You can make indi-
vidual settings for two vacuum tubes connected in series. This lets you cre-
ate the warm sound typical of vacuum tubes.
FX Amt = 100: Mono In - Mono Out / FX Amt = 0: Stereo In - Stereo Out
Left
+
Right
a Tube1 Low Cut
[Hz]
High Cut [Hz]
b Tube1 Gain [dB]
Saturation [%]
c Tube1 Bias
d Tube1 Phase
e Tube2 Low Cut
[Hz]
High Cut [Hz]
f Tube2 Gain [dB]
Saturation [%]
g Tube2 Bias
h Tube2 Output
Level [dB]
i Wet/Dry
Src
Amt
Invert
+
Tube Pre Amp1
–
Thru, 21...8.00k
53...20.00k, Thru
–24.0...+24.0
0...100
0...100
Normal,
Wet Invert
Thru, 21...8.00k
53...20.00k, Thru
–24.0...+24.0
0...100
0...100
–48.0...+0.0
Dry, 1:99...99:1, Wet
Off...Tempo
–100...+100
Tube Pre Amp2
Output Level
Sets the cutoff frequency for the low
cut filter of stage 1
Sets the cutoff frequency for the high
cut filter of stage 1
Sets the input gain for stage 1
Sets the input/output response for
stage 1
Sets the bias voltage for stage 1
Turns phase reversal on/off
Sets the cutoff frequency for the low
cut filter of stage 2
Sets the cutoff frequency for the high
cut filter of stage 2
Sets the input gain for stage 2
Sets the input/output response for
stage 2
Sets the bias voltage for stage 2
Sets the output level
Balance between the wet and dry sig-
nal
See DMS (Dynamic Modulation Source)
Amount of modulation source
FX Amt
FX Amt