Zoom G1 Four, G1X Four Effect Types and Parameters

Multi-Effects Processor

EffectTypes 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						Pedal control possible icon
	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

Tempo synchronization possible icon

Effect Screen

Parameter

Contents

DYNAMICS •	3
FILTER•	4
DRIVE •	6
AMP•	9
CABINET •	12
MODULATION•	14
SFX•	17
DELAY•	18
REVERB•	20
PEDAL•	22
Additional tables •	25

2

EffectTypes and Parameters					G1 FOUR / G1X FOUR
[ DYNAMICS ]
Comp	This compressor in the style of the MXR Dyna Comp.
		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	– 10
		VOL		Adjusts the volume.		0	– 100
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.
		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
ZNR	ZOOM's unique noise reduction cuts noise during pauses in playing without affecting
	the tone.
		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
MuteSW	This effect allows you to mute the volume using the foot switch.
		Edge		Sets how smoothly the volume changes. As the parameter value increases, the change		0	– 100
				becomes smoother.
		Speed		Adjust the recovery time from muting.		0	– 100
		INVRT		Sets the foot switch control direction.		NORMAL,
						INVERT
						LATCH,
		ON/OFF		Sets the foot switch function.		UnLATCH,
						TRGGR
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

3

	EffectTypes and Parameters			G1 FOUR / G1X FOUR
	[ DYNAMICS ]
	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.	4:1, 8:1, 12:1,
			20:1
	REL	This is a limiter that suppresses signal peaks above a certain reference level.	10 – 70
	Output	Adjusts the output level.	0	–	80
[ 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.
	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
Cry	This effect varies the sound like a talking modulator.
	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	Adjusts the balance between original and effect sounds.	0	–	100
SeqFLTR	The sequence filter has the flavor of a Z.Vex Seek-Wah.
	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
Gt GEQ	This mono graphic equalizer has 6 bands that suit guitar frequencies.
	160	Boosts or cuts the low (160 Hz) frequency band.	-12		– 12
	400	Boosts or cuts the low (400 Hz) frequency band.	-12		– 12
	800	Boosts or cuts the low (800 Hz) frequency band.	-12		– 12
	3.2k	Boosts or cuts the low (3.2 kHz) frequency band.	-12		– 12
	6.4k	Boosts or cuts the low (6.4 kHz) frequency band.	-12		– 12
	12k	Boosts or cuts the low (12 kHz) frequency band.	-12		– 12
	VOL	Adjusts the volume.	0	–	100

4

	EffectTypes and Parameters			G1 FOUR / G1X FOUR
	[ FILTER ]
	Gt GEQ7	This mono graphic equalizer has 7 bands that suit guitar frequencies.
		100	Boosts or cuts the low (100 Hz) frequency band.		-12 – 12
		200	Boosts or cuts the low (200 Hz) frequency band.		-12 – 12
		400	Boosts or cuts the low (400 Hz) frequency band.		-12 – 12
		800	Boosts or cuts the low (800 Hz) frequency band.		-12 – 12
		1.6k	Boosts or cuts the low (1.6 kHz) frequency band.		-12 – 12
		3.2k	Boosts or cuts the low (3.2 kHz) frequency band.		-12 – 12
		6.4k	Boosts or cuts the low (6.4 kHz) frequency band.		-12 – 12
		VOL	Adjusts the volume.		0 – 100
	St Gt GEQ	This stereo graphic equalizer has 6 bands that suit guitar frequencies.
		160	Boosts or cuts the low (160 Hz) frequency band.		-12 – 12
		400	Boosts or cuts the low (400 Hz) frequency band.		-12 – 12
		800	Boosts or cuts the low (800 Hz) frequency band.		-12 – 12
		3.2k	Boosts or cuts the low (3.2 kHz) frequency band.		-12 – 12
		6.4k	Boosts or cuts the low (6.4 kHz) frequency band.		-12 – 12
		12k	Boosts or cuts the low (12 kHz) frequency band.		-12 – 12
		VOL	Adjusts the volume.		0 – 100
	ParaEQ	This is a 1-band parametric equalizer.
		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
	RndmFLTR	This filter effect changes character randomly.
		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
	LowPassFL	This effect varies the low pass filter frequency according to picking intensity.
		FREQ	Sets minimum frequency of low pass filter.		0 – 100
		Sense	Adjusts the sensitivity of the effect.		FST100 –
					SLW100
		RESO	Sets effect resonance.		2P-10 – 4P-10
		BAL	Adjusts the balance between original and effect sounds.		0 – 100

Exciter

This exciter enables flexible control.

Bass Adjusts the amount of low-frequency phase correction.

Treble Adjusts the amount of high-frequency phase correction.

VOL Adjusts the volume.

ON/OFF Sets the foot switch function.

0 – 100

0 – 100

0 – 100

LATCH,

UnLATCH

Step	This special effect gives the sound a stepped quality.
	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

5

EffectTypes and Parameters			G1 FOUR / G1X FOUR
[ FILTER ]
LFO FLTR	This filter effect changes tone characteristics cyclically.
	Depth	Sets the depth of the modulation.		0	– 100
	Rate	Sets the speed of the modulation.		1	– 50
	RESO	Sets effect resonance.		0	– 10
				SINE, TRI,
	Wave	Sets the modulation waveform.		SAWUP,
				SAWDN
[ DRIVE ]
TS Drive	Simulation of the IbanezTS808.
	Gain	Adjusts the gain.		0	– 100
	Boost	Turns boost ON/OFF.		OFF, ON
	Tone	Adjusts the tone.		0	– 100
	VOL	Adjusts the volume.		0	– 100
EP Stomp	This models the Maestro Echoplex preamp.
	Gain	Adjusts the gain.		0	– 100
	Bass	Adjusts volume of low frequencies.		-10 – 10
	Treble	Adjusts volume of high frequencies.		-10 – 10
	VOL	Adjusts the volume.		0	– 100
RC Boost	This booster covers sounds ranging from clean boosts to light drives.
	Gain	Adjusts the gain.		0	– 100
	Bass	Adjusts volume of low frequencies.		0	– 100
	Treble	Adjusts volume of high frequencies.		0	– 100
	VOL	Adjusts the volume.		0	– 100
GoldDrive	This effect models a famous gold overdrive boutique pedal.
	Gain	Adjusts the gain.		0	– 100
	Bass	Adjusts volume of low frequencies.		0	– 100
	Treble	Adjusts volume of high frequencies.		0	– 100
	VOL	Adjusts the volume.		0	– 100
SweetDrv	This effect models a sweet sounding overdrive.
	Gain	Adjusts the gain.		0	– 100
	Tone	Adjusts volume of high frequencies		0	– 100
	Focus	Adjusts volume of middle frequencies.		0	– 100
	VOL	Adjusts the volume.		0	– 100
DYN Drive	This effect easily achieves the warm drive tone of a tube amp.
	Gain	Adjusts the gain.		0	– 100
	Tone	Adjusts the tone.		0	– 100
	Mode	Sets the sound style.		COMBO,
				STACK
	VOL	Adjusts the volume.		0	– 100
RedCrunch	Use this effect for the famous "brown sound."
	Gain	Adjusts the gain.		0	– 100
	Tone	Adjusts the tone.		0	– 100
	PRSNC	Adjusts volume of super-high frequencies.		0	– 100
	VOL	Adjusts the volume.		0	– 100

6

EffectTypes and Parameters			G1 FOUR / G1X FOUR
[ DRIVE ]
MetalWRLD	Simulation of the BOSS Metal Zone, which is characterized by long sustain and a
	powerful lower midrange.
	Gain	Adjusts the gain.		0 – 100
	Bass	Adjusts volume of low frequencies.		0 – 100
	Treble	Adjusts volume of high frequencies.		0 – 100
	VOL	Adjusts the volume.		0 – 100

TB MK1.5 This is a classic fuzz effect.

	ATTCK	Adjusts the gain.	0 – 100
	Tone	Adjusts the tone.	0 – 100
	Color	Sets the sound color.	1, 2
	VOL	Adjusts the volume.	0 – 100

OctFuzz	This fuzz effect adds an octave above.
	Boost	Adjusts the gain.	0 – 100
	Color	Sets the sound color.	1, 2
	Tone	Adjusts the tone.	0 – 100
	VOL	Adjusts the volume.	0 – 100

SpotBoost	This booster enables flexible control.
		Boost			Adjusts the gain.
		Bass			Adjusts volume of low frequencies.
		Treble			Adjusts volume of high frequencies.
					Sets the foot switch function.
		ON/OFF

0 – 100

-10 – 10

-10 – 10

LATCH,

UnLATCH

Aco.Sim	This effect changes the tone of an electric guitar to make it sound like an acoustic
	guitar.
	Top	Adjusts the unique string tone of acoustic guitars.	0 – 100
	Body	Adjusts the body resonance of acoustic guitars.	0 – 100
	Tone	Adjusts the tone.	0 – 100
	VOL	Adjusts the volume.	0 – 100
NYC Muff	This models an Electro-Harmonix Big Muff Pi. An added parameter allows you to
	adjust the balance of original sound and distortion.
	SUSTN	Adjusts the gain.	0 – 100
	Tone	Adjusts the tone.	0 – 100
	BAL	Adjusts the balance between original and effect sounds.	0 – 100
	VOL	Adjusts the volume.	0 – 100
HGTHRTTL	This models the sound of the Mesa Boogie THROTTLE BOX(GAIN SWITCH:HI /
	BOOST:ON).
	Gain	Adjusts the gain.	0 – 100
	Tone	Adjusts the tone.	0 – 100
	MdCut	Adjusts volume of middle frequencies.	0 – 100
	VOL	Adjusts the volume.	0 – 100
BG GRID	This models a Mesa Boogie GRID SLAMMER. An added parameter allows you to
	adjust the balance of original sound and overdrive.
	Gain	Adjusts the gain.	0 – 100
	Tone	Adjusts the tone.	0 – 100
	BAL	Adjusts the balance between original and effect sounds.	0 – 100
	VOL	Adjusts the volume.	0 – 100

7

	EffectTypes and Parameters			G1 FOUR / G1X FOUR
	[ DRIVE ]
	DIST 1	This models the sound of a BOSS DS-1 DISTORTION.
		Gain	Adjusts the gain.		0	– 100
		Tone	Adjusts the tone.		0	– 100
		VOL	Adjusts the volume.		0	– 100
		Comp	Sets the clipping type of DIST 1.		ORG, MOD
	Squeak	This models a ProCo RAT.
		A parameter has been added that allows you to adjust the mix level of the original sound.
		Gain	Adjusts the gain.		0	– 100
		FLTR	Adjusts the tone.		0	– 100
		VOL	Adjusts the volume.		0	– 100
		DryMx	Adjusts the volume of the unaffected sound.		0	– 100
	UpOctBSTR	This effect adds an upper octave to the original sound.
		We recommend using the front guitar pickup.
		UpOct	Adjusts the amount of effected sound that is mixed with the original sound.		0	– 100
		DryMx	Adjusts the volume of the unaffected sound.		0	– 100
		Bottom	Adjusts volume of low frequencies.		0	– 100
		PRSNC	Adjusts volume of super-high frequencies.		0	– 100
	OutputBST	We improved the ZOOM G5n OUTPUT BOOSTER as an effect.
		Range	Adjusts the frequency range processed by the effect.		1	– 10
		Boost	Adjusts the gain.		0	– 100
		Tone	Adjusts the tone.		0	– 100
		VOL	Adjusts the volume.		0	– 100

DIST Plus	This models the sound of a MXR DISTORTION+.
	Gain		Adjusts the gain.
	VOL		Adjusts the volume.
	DryMx		Adjusts the volume of the unaffected sound.
	Comp		Sets the clipping type of DIST Plus.

0 – 100

0 – 100

0 – 100

ORG,

MOD1, MOD2

Zen O.DRV	This models the sound of a Hermida Audio Zendrive.
	Gain	Adjusts the gain.	0	– 100
	Tone	Adjusts the tone.	0	– 100
	Voice	Adjusts gain of high frequencies.	0	– 100
	VOL	Adjusts the volume.	0	– 100
VioletDST	This models the sound of a SUHR Riot Reloaded.
	Gain	Adjusts the gain.	0	– 100
	Tone	Adjusts the tone.	0	– 100
	Voice	Sets the sound style.	0	– 2
	VOL	Adjusts the volume.	0	– 100

8