Dual Chorus Manual
Contents
1. ASDC Dual Chorus also needs power for its bypass to work However due to Chorus implemation clean signal passes through emphasis deemphasis circuitry GNI designed it to work without affecting the signal however this is a special case and we won t call it TBB BOOSTER ASI AND SP1 The independent Booster pedal that compliments AS1 and SP1 is a very versatile resource to be used specially when doing a solo performance When activated by the respective footswitch it increases output level up to 8dB Please note that booster works either with the clean sound or with the effect A bicolor led indicates booster s intensity which can be adjusted at the respective Boost potentiometer Led s color changes from green 0 dB no gain to red 8 dB maximum gain Sample settings Created by some of the professional Brazilian guitarrists who worked with GNI on the development of each pedal CA H IN s H sO RN I sO o o oa o onwve TONE one TONE LEVEL MOD LEVEL MOD a S a SES ate ee NO Be Controls of each overdrive Drive This adjusts the effect itself the amount of distortion When set to low values causes the pedal to perform more or less like a booster unit with small saturation Tone This adjusts frequency characteristic of the effect Level Independent level settings for each overdrive MOD 3 pos2. same effect So you create two independent settings and switch between them You can instantly change from a very fast rate almost a tremolo to a slow deep effect with no interruption in your performance power adaptor jack channel channel input jack 4 gt channel leds effect led ASDC ANALOG STEREO DUAL CHORUS O Ss Q F v A switch effect channels on off battery housing INTRODUCTION Thank you and congratulations on your choice for GNI Music s products Lots of work from engineers and professional musicians were spent in order to create really high end pedals These sections provide important information concerning the proper operation of our pedals Please read in order to feel assured you re ready to explore all available resources Please keep this book for future reference For more information and hints check www gnimusic com CONNECTIONS Power All pedals covered in this book can be used with standard 9V batteries or DC power adaptors These accessories are not included Installing battery eS j Install 9V standard battery bellow the pedal as shown in the figure Be careful not to force the chord Note that low batteries can compromise the sound quality even when the effect is turned off bypass mode Remove the battery when your pedalis notin use Using DC adaptor The adaptor jack is in the back part of the unit Please ensu
3. 1 810g 1 8Ib Specifications may change without notice GNI MUSIC USER S MANUAL FOR ASI AMP SIMULATOR DDI DUAL DRIVE u ANALOG STEREO ASDC DUAL CHORUS Sample settings Created by some of the professional Brazilian guitarrists who worked with GNI on the development of each pedal SPEED DEPTH a Controls apply to both channels Speed If we create an analogy between the effect and an oscillating pendulum speed controls how fast this pendulum oscillates As it gets faster the effect becomes closer to a vibrato Depth Using the same analogy this would mean how far the pendulum travels in each direction Bigger depths cause the effect to be more perceptive Energy Chorus mixes the effect s signal with the original clean sound This knob lets you set the proportion of effect to be mixed with clean sound Effect led indicates when effectis on Channel leds One of these will always be blinking indicating the channel in use or the one that will be in use when you turn the effect on These leds blink faster or slower according to the setting in the speed knob u ANALOG STEREO DUAL CHORUS ASDC Analog Stereo Dual Chorus is GNI s ultimate Analog Chorus solution With this pedal you can achieve the full intensity that only true analog BBD circuits can offer It s use is very similar to DD1 Dual Drive with the difference that upper and lower units have the
4. TROUBLESHOOTING All pedals are tested before leaving GNI s facility If you are finding difficulties please pay attention to the following details Most small problems are easy to solve with a simple checklist Insert both input and output jacks or the pedal won turn on Check if you used the correct sides for input and for output If using DC adaptor be sure it respects our specs Reversed polarity wrong tension etc may damage the circuitry and compromise warranty If using batteries be sure they are not discharged Check volume levels wrong connections and broken cables Keep your unit away from other electrical devices TVs and other home appliances can cause interference and noise Don t play very close to the amplifier or directly facing it in order to avoid feedback noise If you ve carefully checked your setup and problems persist please contact our technical representative at your country for further support and warranty If you can t find our representative s information please go to our website www gnimusic com and contact us directly SPECIFICATIONS Power supply Bypass mode 9V battery or adaptor according to our specs AS1 and DD1 True Buffer Bypass ASDC emphasis deemphasis Inputimpedance 500kQ Outputimpedance 5kQ e Booster s gain 0 8dcB applies to AS1 and SP1 only e Size 62x 141x110 mm 2 44 x 5 55 x 4 33 in Weight AS1 DD1 and ASDC 860g 1 91b SP1 and XD
5. re you have an adaptor complying with the following specifications 9V DC regulated adaptor Polarity according to the figure e 300 mA recommended WARNING Unregulated or switched mode supplies may 2 cause noise Wrong tension values or reversed polarity may cause permanent damage to the pedal not covered by warranty Input and output Input jack accepts signals from the guitar or another effects unit Output jack is used to connect the pedal to the amplifier or another device In some cases these jacks serve as power switches meaning your unit may not turn on unless they are connected This is an extra feature to save battery in case pedal is not being used ADVICE Cables are passive components with non negligible capacitance They can possibly interfere with sound s signal In order to achieve better results make your connections with good quality cables TRUE BUFFER BYPASS TBB AND CHORUS BYPASS When the effect is turned off in AS1 and DD1 input signal passes to output through an active opamp buffer and a mechanical switch Buffer lowers signal s impedance preserving its level and high tone contents Mechanical switches are used to eliminate the need for some electronic components that usually degrade sound s quality in pure electronic bypass pedals Please note that this bypass system requires power to work Signal will not pass if you are not using an adaptor or battery
6. switch allowing you to choose among Hyper Overdrive Super Overdrive or Overdrive modes Effect led indicates when effect is on Drive selection leds One of these will always be on indicating the overdrive in use or the one that will be in use when you turn the effect on These leds change color according to the MOD selection being green for Overdrive mode orange for Super Overdrive and red for Hyper Overdrive DUAL DRIVE DD1 Dual Drive is the combination of two powerful and different overdrive pedals Each of them has a 3 pos switch marked O S H allowing you to choose among simple Overdrive Super overdrive or Hyper overdrive modes This way you have two different pedals both settable to three different modes and you can instantly switch between them pressing the commute pedal This means lots of resources and possibilities in a very creative unit power adaptor jack drive selection battery housing AMP SIMULATOR Sample settings Created by some of the professional Brazilian guitarrists who worked with GNI on the development of each pedal AS1 Amp Simulator is a two in one pedal acting as an amplifier simulator a booster pedal or both things at the same time Three switches mic mod amp offer 27 different combinations of microphone position amplifier characteristics and saturation drive Five potentiometers let
7. you control drive level and complete equalization low mid and high frequencies An extra potentiometer lets you set the booster s gain power adaptor jack ouput Ic put jac Jac booster led lt AJI AMP SIMULATOR 3 booster on off battery housing Controls Drive This adjusts the amount of distortion drive of the pedal Low Mid and High These three controls allow you to equalize the sound adjusting intensities of the respective ranges of frequencies Level Effect output level Note that if level is high and you activate the booster you ll probably get some additional distortion Boost This adjusts booster intensity from 0 to 8dB When booster is on the respective led s color changes from green to red according to the setting on this knob MIC This simulates three different positions of the microphone capturing amplifier sound Settings are off off centered cent centered and class classic MOD This lets you change global saturation distortion of the pedal Settings are hot most distorted warm medium and clean AMP Simulates characteristics of three of the most popular amplifiers Settings are body crunch and tweed
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