Zoom A1X Four Effect Types and Parameters
Multi-Effects Processor
Effect Types and Parameters
© 2019 ZOOM CORPORATION
Manufacturer names and product names are trademarks or registered trademarks of their respective owners. The names are used only to illustrate
sonic characteristics and do not indicate any affiliation with the Zoom Corporation.
Effect explanation overview
Guitar Lab additional effects
Effect type Effect explanation Parameter range
PDL Delay The expression pedal controls the delay input level of this effect.
★
InLvl Adjusts the delay input level. 0 – 100 P
Time Sets the delay time. 1 – 3000
F. B Adjusts the feedback amount. 0 – 100
Mix Adjusts the amount of effected sound that is mixed with the original sound. 0 – 100
Parameter explanation
Effect Screen
Parameter
Pedal control possible icon
Tempo synchronization possible icon
Contents
DYNAMICS
FILTER
DRIVE
AMP
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CABINET
MODULATION
SFX
DELAY
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REVERB
PEDAL
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AG MODEL
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Additional tables
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11
12
12
13
18
20
22
24
26
30
3
5
2 3
Effect Types and Parameters
A1
FOUR /
A1X
[ DYNAMICS ]
Comp This compressor in the style of the MXR Dyna Comp.
Sense Adjusts the sensitivity of the effect.
ATTCK Sets compressor attack speed to Fast or Slow.
Tone Adjusts the tone.
VOL Adjusts the volume.
RackComp This compressor allows more detailed adjustment than Comp.
THRSH Sets the level that activates the compressor. 0 – 50
Ratio Adjusts the compression ratio. 1 – 10
ATTCK Sets compressor attack speed. 1 – 10
VOL Adjusts the volume. 0 – 100
SlowATTCK This effect slows the attack of each note, resulting in a violin-like performance.
★
ZNR
Time Adjusts the attack time. 1 – 50
Curve Set the curve of volume change during attack. 0 – 10
Tone Adjusts the tone. 0 – 100
VOL Adjusts the volume. 0 – 100
ZOOM's unique noise reduction cuts noise during pauses in playing without affecting
the tone.
DETCT Sets control signal detection level.
Depth Sets the depth of noise reduction. 0 – 100
THRSH Adjusts the effect sensitivity. 0 – 100
Decay Adjust the envelope release. 0 – 100
MuteSW This effect allows you to mute the volume using the foot switch.
★
Edge
Speed Adjust the recovery time from muting. 0 – 100
INVRT Sets the foot switch control direction.
ON/OFF
Sets how smoothly the volume changes. As the parameter value increases, the change
becomes smoother.
Sets the foot switch function.
GrayComp This models a ROSS Compressor. Added parameters allow you to adjust the tone.
★
SUSTN Adjusts the sustain. 0 – 100
Lo Adjusts volume of low frequencies. 0 – 100
Hi Adjusts volume of high frequencies. 0 – 100
VOL Adjusts the volume. 0 – 100
NoiseGate This is a noise gate that cuts the sound during playing pauses.
★
DETCT Sets control signal detection level. GTRIN, EFXIN
Depth Sets the depth of noise reduction. 0 – 100
THRSH Adjusts the effect sensitivity. 0 – 100
Decay Adjust the envelope release. 0 – 100
OptComp This is an optical compressor.
Drive Adjusts the depth of the compression. 0 – 10
Lo Adjusts volume of low frequencies. 0 – 100
Hi Adjusts volume of high frequencies. 0 – 100
VOL Adjusts the volume. 0 – 100
0 –10
SLOW, FAST
0 – 10
0 – 100
GTRIN,
EFXIN
0 – 100
NORMAL,
INVERT
LATCH,
UnLATCH,
TRGGR
FOUR
Effect Types and Parameters
[ DYNAMICS ]
A1
FOUR /
A1X
FOUR
BlackOpt
★
This is a simulation of the Demeter COMP-1 Compulator.
Added parameters allow you to adjust the tone.
Comp Adjusts the depth of the compression. 0 – 100
Lo Adjusts volume of low frequencies. 0 – 100
Hi Adjusts volume of high frequencies. 0 – 100
VOL
Adjusts the volume. 0 – 100
LMT-76 This is a simulation of the UREI 1176LN.
★
Input Adjusts the input level. 0 – 80
Ratio Adjusts the compression ratio.
REL This is a limiter that suppresses signal peaks above a certain reference level. 10 – 70
Output
Adjusts the output level. 0 – 80
160 Comp This compressor is in the style of the dbx 160A.
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DualComp
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THRSH Adjusts the threshold that determines when the effect is activated. -60 – 0
Ratio Adjusts the compression ratio. 1.0 – 10.0
Knee Sets the type of knee. SOFT, HARD
VOL
Adjusts the volume. 0 – 100
This is a compressor which allows separate settings for the low frequency and high
frequency range.
FREQ Adjusts the crossover point between the high frequency and low frequency range. 300 – 1.5k
LoCMP Adjusts the compression depth in the low frequency range. 0 – 50
HiCMP Adjusts the compression depth in the high frequency range. 0 – 50
VOL
Adjusts the volume. 0 – 100
MB Comp This is a simulation of the MultiComp (MODE:MB).
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DYN Comp
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Glam Comp
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Adv.NR
Comp Adjusts the depth of the compression. 0 – 100
LoTHR Adjusts the threshold that triggers the low-frequency effect. 0 – 100
HiTHR Adjusts the threshold that triggers the high-frequency effect. 0 – 100
VOL
Adjusts the volume. 0 – 100
This is a simulation of the MXR Dyna Comp.
Added parameters allow you to adjust the tone and the compressor attack speed.
Sense Adjusts the sensitivity of the effect. 0 – 10
ATTCK Sets compressor attack speed to FAST or SLOW. SLOW, FAST
Tone Adjusts the tone. 0 – 100
VOL
Adjusts the volume. 0 – 100
This compressor becomes a glamorous tone as increasing the Shape parameter.
Also, you can mix the original sound.
Comp Adjusts the depth of the compression. 0 – 100
Shape Emphasizes high and low frequencies. 0 – 10
VOL Adjusts the volume. 0 – 100
DryMx
Adjusts the volume of the unaffected sound. 0 – 100
This noise reduction naturally suppresses noise when not playing.
THRSH Adjust the threshold that triggers the effect. 0 – 100
ATTCK Adjust the speed that it starts. 0 – 100
Hold
Decay Adjust the decay time. 0 – 100
Adjust the time that noise reduction continues to operate after the control signal goes below
the threshold value.
4:1, 8:1, 12:1,
20:1
0 – 100
4 5
Effect Types and Parameters
A1
FOUR /
A1X
[ FILTER ]
AutoWah This effect varies wah in accordance with picking intensity.
Mode Sets direction of movement of the filter. DOWN, UP
Sense Adjusts the sensitivity of the effect. 1 – 10
RESO Sets effect resonance. 0 – 10
VOL Adjusts the volume. 0 – 100
Resonance This effect varies the resonance filter frequency according to picking intensity.
★
Cry This effect varies the sound like a talking modulator.
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SeqFLTR The sequence filter has the flavor of a Z.Vex Seek-Wah.
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Gt GEQ This mono graphic equalizer has 6 bands that suit guitar frequencies.
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Gt GEQ7 This mono graphic equalizer has 7 bands that suit guitar frequencies.
St Gt GEQ This stereo graphic equalizer has 6 bands that suit guitar frequencies.
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Mode Sets direction of movement of the filter. DOWN, UP
Sense Adjusts the sensitivity of the effect. 1 – 10
RESO Sets effect resonance. 0 – 10
VOL Adjusts the volume. 0 – 100
Range Adjusts the frequency range processed by the effect. 1 – 10
RESO Sets effect resonance. 0 – 10
Sense Adjusts the sensitivity of the effect.
BAL Adjusts the balance between original and effect sounds. 0 – 100
Step Adjusts number of sequence steps. 2 – 8
PTTRN Sets effect pattern. 1 – 8
Speed Sets the speed of the modulation. 1 – 50
RESO Sets effect resonance. 0 – 10
160 Adjust to boost or cut 160 Hz. -12 – 12
400 Adjust to boost or cut 400 Hz. -12 – 12
800 Adjust to boost or cut 800 Hz. -12 – 12
3.2k Adjust to boost or cut 3.2k Hz. -12 – 12
6.4k Adjust to boost or cut 6.4k Hz. -12 – 12
12k Adjust to boost or cut 12k Hz. -12 – 12
VOL Adjusts the volume. 0 – 100
100 Adjust to boost or cut 100 Hz. -12 – 12
200 Adjust to boost or cut 200 Hz. -12 – 12
400 Adjust to boost or cut 400 Hz. -12 – 12
800 Adjust to boost or cut 800 Hz. -12 – 12
1.6k Adjust to boost or cut 1.6k Hz. -12 – 12
3.2k Adjust to boost or cut 3.2k Hz. -12 – 12
6.4k Adjust to boost or cut 6.4k Hz. -12 – 12
VOL Adjusts the volume. 0 – 100
160 Adjust to boost or cut 160 Hz. -12 – 12
400 Adjust to boost or cut 400 Hz. -12 – 12
800 Adjust to boost or cut 800 Hz. -12 – 12
3.2k Adjust to boost or cut 3.2k Hz. -12 – 12
6.4k Adjust to boost or cut 6.4k Hz. -12 – 12
12k Adjust to boost or cut 12k Hz. -12 – 12
VOL Adjusts the volume. 0 – 100
-10 – -1,
1 – 10
FOUR
Effect Types and Parameters
A1
FOUR /
A1X
[ FILTER ]
ParaEQ This is a 1-band parametric equalizer.
★
ParaEQx2
RndmFLTR This filter effect changes character randomly.
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LowPassFL This effect varies the low pass filter frequency according to picking intensity.
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Exciter This exciter enables flexible control.
Step This special effect gives the sound a stepped quality.
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LFO FLTR This filter effect changes tone characteristics cyclically.
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AG PU SEL
FREQ Sets the frequency of the equalizer. 20 – 20k
Q Adjusts equalizer Q. 0.5 – 16
Gain Adjusts the gain. -12 – 12
VOL Adjusts the volume. 0 – 100
This is a 2-band parametric equalizer.
Freq1 Adjust the center frequency of EQ 1. 20 – 20k
Q1 Adjust the Q of EQ 1. 0.5 – 16
Gain1 Adjust the gain of EQ 1. -12 – 12
Freq2 Adjust the center frequency of EQ 2. 20 – 20k
Q2 Adjust the Q of EQ 2. 0.5 – 16
Gain2 Adjust the gain of EQ 2. -12 – 12
Level Adjust the volume. 0 – 100
Type Sets filter type. HPF, LPF
Speed Sets the speed of the modulation. 1 – 50
BAL Adjusts the balance between original and effect sounds. 0 – 100
VOL Adjusts the volume. 0 – 100
FREQ Sets minimum frequency of low pass filter. 0 – 100
Sense Adjusts the sensitivity of the effect.
RESO Sets effect resonance. 2P-10 – 4P-10
BAL Adjusts the balance between original and effect sounds. 0 – 100
Bass Adjusts the amount of low-frequency phase correction. 0 – 100
Treble Adjusts the amount of high-frequency phase correction. 0 – 100
VOL Adjusts the volume. 0 – 100
ON/OFF
Depth Sets the depth of the modulation. 0 – 100
Rate Sets the speed of the modulation. 0 – 50
RESO Sets effect resonance. 0 – 10
Shape Adjusts the effect envelope. 0 – 10
Depth Sets the depth of the modulation. 0 – 100
Rate Sets the speed of the modulation. 1 – 50
RESO Sets effect resonance. 0 – 10
Wave Sets the modulation waveform.
Sets the foot switch function.
This effect adjusts the tone according to the type of acoustic guitar pickup.
FOUR
FST100 –
SLW100
LATCH,
UnLATCH
SINE, TRI,
SAWUP,
SAWDN
Type Select the type of pickup used.
PIEZO,
MAGNET
6 7
Effect Types and Parameters
[ FILTER ]
A1
FOUR /
A1X
FOUR
BaDePiezo
Fish EQ
Baggs EQ
Bone EQ
This softens the characteristic tone of bass piezo pickups.
Gain Adjust the gain. -6 – +6
Mode Change the tone compensation mode.
LoBst Use to compensate for low frequencies, which are usually lacking when using piezo pickups. 0 – 100
HiCut This suppresses high frequencies, which tend to be unpleasant when using piezo pickups. 0 – 100
This models the EQ of the Fishman ToneDEQ.
Low Adjust the volume of low frequencies. -10 – 10
Mid Adjust the volume of middle frequencies. -10 – 10
Hi Adjust the volume of high frequencies. -10 – 10
Vol Adjust the volume. 0 – 100
This models the EQ of the L.R.Baggs Venue DI.
Bass Adjust the volume of low frequencies. -10 – 10
LMidF Adjust the center frequency of the low-mid frequency equalization. 100 – 500
LoMid Adjust the gain of the low-mid frequency equalization. -10 – 10
HMidF Adjust the center frequency of the high-mid frequency equalization. 500 – 2.50k
HiMid Adjust the gain of the high-mid frequency equalization. -10 – 10
PRSNC Adjust the volume of ultra-high frequencies. -10 – 10
TRBL Adjust the volume of high frequencies. -10 – 10
VOL Adjust the volume. 0 – 100
This models the EQ of the Radial Tonebone PZ-Pre.
Bass Adjust the volume of low frequencies. -10 – 10
Mid F Adjust the center frequency of the mid frequency equalization. 103 – 6.10k
Mid Adjust the gain of the mid frequency equalization. -10 – 10
Hi Adjust the volume of high frequencies. -10 – 10
Ntc Q Adjust the Q of the notch filter.
Notch Adjust the center frequency of the notch filter. 53 – 420
LoCut Set the frequency at which to cut low frequencies.
Vol Adjust the volume. 0 – 100
BassA-Wah You can adjust the mix of this bass guitar auto-wah with the original signal.
Sense Adjusts the sensitivity of the effect. -10 – -1, 1 – 10
RESO Sets effect resonance. 0 – 10
Dry Adjusts the volume of the unaffected sound. 0 – 100
VOL
Adjusts the volume. 0 – 100
Z Tron This is like a Q-Tron Envelope Filter in LP mode.
★
Sense Adjusts the sensitivity of the effect. -10 – -1, 1 – 10
RESO Sets effect resonance. 0 – 10
Dry Adjusts the volume of the unaffected sound. 0 – 100
VOL
Adjusts the volume. 0 – 100
A-Filter This is a resonance filter with a sharp envelope.
★
Mode Sets direction of movement of the filter. UP, DOWN
Sense Adjusts the sensitivity of the effect. 1 – 10
Peak Adjusts the Q value of the filter. 0 – 10
Adjusts the volume of the unaffected sound. 0 – 100
Dry
NORMAL,
FAT
BYPA SS,
NORM,
DEEP
BYPA SS,
80, 200
Effect Types and Parameters
A1
FOUR /
[ FILTER ]
Bass Cry This talking modulator is suitable for the bass frequency range.
★
BassGEQ This 7-band graphic equalizer is suitable for the bass frequency range.
St Ba GEQ This stereo graphic equalizer has 7 bands that suit bass guitar frequencies.
★
BassPEQ This 1-band parametric equalizer is suitable for the bass frequency range.
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Splitter
★
Low EQ Designed for low frequencies, this equalizer allows you to select the type.
★
High EQ Designed for high frequencies, this equalizer allows you to select the type.
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Range Adjusts the frequency range processed by the effect. 1 – 10
RESO Sets effect resonance. 0 – 10
Sense Adjusts the sensitivity of the effect. -10 – -1, 1 – 10
BAL
4.5k Adjust to boost or cut 4.5k Hz. -12.0 – 12.0
VOL Adjusts the volume. 0 – 100
4.5k Adjust to boost or cut 4.5k Hz. -12.0 – 12.0
VOL Adjusts the volume. 0 – 100
FREQ Sets the frequency of the equalizer. 20 – 20k
Gain Adjusts the gain. -20.0 – 20.0
VOL
Adjusts the balance between original and effect sounds. 0 – 100
50 Adjust to boost or cut 50 Hz. -12.0 – 12.0
120 Adjust to boost or cut 120 Hz. -12.0 – 12.0
400 Adjust to boost or cut 400 Hz. -12.0 – 12.0
500 Adjust to boost or cut 500 Hz. -12.0 – 12.0
800 Adjust to boost or cut 800 Hz. -12.0 – 12.0
10k Adjust to boost or cut 10k Hz. -12.0 – 12.0
50 Adjust to boost or cut 50 Hz. -12.0 – 12.0
120 Adjust to boost or cut 120 Hz. -12.0 – 12.0
400 Adjust to boost or cut 400 Hz. -12.0 – 12.0
500 Adjust to boost or cut 500 Hz. -12.0 – 12.0
800 Adjust to boost or cut 800 Hz. -12.0 – 12.0
10k Adjust to boost or cut 10k Hz. -12.0 – 12.0
Q Adjusts equalizer Q. 0.5 – 16.0
Adjusts the volume. 0 – 100
This effect divides the signal into two bands (high/low) and lets you freely adjust the
mix ratio of the two bands.
FREQ Adjusts the crossover point between the high frequency and low frequency band. 80 – 2.5k
Lo Adjusts the mix ratio of the low frequency band. 0 – 100
Hi Adjusts the mix ratio of the high frequency band. 0 – 100
VOL
Type Sets filter type. SHELF, HPF
FREQ Sets the frequency of the filter. 20 – 640
Gain
VOL Adjusts the volume. 0 – 100
Type Sets filter type. SHELF, LPF
FREQ Sets the frequency of the filter. 500 – 20k
Gain
VOL Adjusts the volume. 0 – 100
Adjusts the volume. 0 – 100
Adjusts the gain.
This setting is disabled when the Type parameter is set to HPF.
Adjusts the gain.
This setting is disabled when the Type parameter is set to LPF.
A1X
-12.0 – 12.0
-12.0 – 12.0
FOUR
8 9
Effect Types and Parameters
A1
FOUR /
A1X
[ FILTER ]
EnvFilter This models the MXR envelope filter.
★
Hm GEQ This is a seven-band equalizer for harmonica.
Hm A.Wah This is an auto wah for harmonica.
Hm Preamp Preamp for Hamonica.
Hm Bullet This effect changes the sound of a vocal mic to be like the sound of a bullet mic.
A.Vn GEQ This is a seven-band equalizer for violin.
E.Vn GEQ This is a seven-band equalizer for electric violin.
THRSH Adjusts the effect sensitivity. 0 – 100
ATTCK Adjusts the attack speed. 0 – 100
Mode Sets direction of movement of the filter. UP, DOWN
VOL Adjusts the volume. 0 – 100
60 Adjust to boost or cut 60 Hz. -12 – 12
250 Adjust to boost or cut 250 Hz. -12 – 12
400 Adjust to boost or cut 400 Hz. -12 – 12
700 Adjust to boost or cut 700 Hz. -12 – 12
1.0k Adjust to boost or cut 1.0k Hz. -12 – 12
2.0k Adjust to boost or cut 2.0k Hz. -12 – 12
4.0k Adjust to boost or cut 4.0k Hz. -12 – 12
VOL Adjust the volume. 0 – 100
Sense Adjust the sensitivity of the effect. 1 –10
RESO Set the amount of resonance. 0 –10
Range Adjust the frequency band affected. 0 –100
BAL Adjust the balance of the original and effect sounds. 0 –100
Gain Set the gain. 0 – 100
Low Set the volume of low frequencies. -12 – 12
MID Set the volume of middle frequencies. -12 – 12
Hi Set the volume of high frequencies. -12 – 12
Low Set the volume of low frequencies. -12 – 12
MID Set the volume of middle frequencies. -12 – 12
Hi Set the volume of high frequencies. -12 – 12
VOL Set the volume. 0 – 100
131 Adjust to boost or cut 131 Hz. -12 – 12
270 Adjust to boost or cut 270 Hz. -18 – 18
450 Adjust to boost or cut 450 Hz. -12 – 12
524 Adjust to boost or cut 524 Hz. -12 – 12
1.4k Adjust to boost or cut 1.4k Hz. -12 – 12
3.0k Adjust to boost or cut 3.0k Hz. -12 – 12
6.0k Adjust to boost or cut 6.0k Hz. -12 – 12
VOL Adjust the volume. 0 – 100
131 Adjust to boost or cut 131 Hz. -12 – 12
220 Adjust to boost or cut 220 Hz. -12 – 12
450 4Adjust to boost or cut 450 Hz. -12 – 12
800 Adjust to boost or cut 800 Hz. -12 – 12
2.2k Adjust to boost or cut 2.2k Hz. -12 – 12
3.1k Adjust to boost or cut 3.1k Hz. -12 – 12
7.0k Adjust to boost or cut 7.0k Hz. -12 – 12
VOL Adjust the volume. 0 – 100
FOUR
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