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Yamaha GW33 Owner's Manual

Guitar performance effector.
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    This Product should be used only with the compo- nents supplied or; a cart, rack, or stand that is recommended by Yamaha. If a cart, etc., is used, please observe all safety markings and instruc- tions that accompany the accessory product.

  • Page 3: How To Use This Manual (read This First!!)

    Congratulations and thank you for purchasing the Yamaha GW33 Guitar Performance Effector! The GW33 is a portable and convenient multi-effect device designed especially for guitar. The comprehen- sive variety of high-quality effects and convenient Pedal Switch control functions make the highly portable GW33 ideal for signal processing in home recording, studio, and live performance applications.

  • Page 4: Table Of Contents

    The Effect Structure of the GW33 ........

  • Page 5: Precautions

    PRECAUTIONS USE THE CORRECT POWER SUPPLY Power to the GW33 should be supplied only from the appropriate Yamaha AC adaptor (the PA-3, or another adaptor recommended by Yamaha). Use of another adaptor may cause serious damage to the unit. (Never use the PA-3B.) Also make sure that the adaptor you have is...

  • Page 6: Panel Controls And Terminals

    PANEL CONTROLS AND TERMINALS This section shows and explains all of the controls and terminals of the GW33. Since the expla- nations below are fairly brief, you should turn to the page references given for more information on individual buttons and features. Refer to this section also as necessary when using the GW33, when you need specific information on a certain control or terminal.

  • Page 7: Parameter Dials

    r EDIT/COMPARE Button For enabling the Edit mode, from which the selected effect program can be edited. In the Edit mode, this also serves as a Compare switch for toggling between the newly edited settings and original settings of an effect program.

  • Page 8: Rear Panel

    INSERT SEND and RETURN Jacks For connection of an external effect device or devices. Use the SEND jack to output the signal from the GW33, and use RETURN to input the signal from the external effect device(s). INSERT...

  • Page 9: Gw33 System Overview

    GW33 SYSTEM OVERVIEW This section provides a brief overview of the GW33 — the basic structure of its various functions and the memory system. Once you gain a general understanding of the internal workings of the GW33 as given here, you’ll have the tools for taking full advantage of its features.

  • Page 10: The Effect Structure Of The Gw33

    The Effect Structure of the GW33 Keep in mind as you use the GW33 that the structure of its effects is basically in a four-part hierarchy: 1) Effect programs, 2) Effect blocks, 3) Effect types, and 4) Effect parameters. An effect program consists of eight different effect blocks, all of which can be used simultaneously.

  • Page 11: Effect Programs

    Sound Character Programmer’s comments Main Dist — Distortion especially for rock solos. Hard Dist Digital + analog distortion, plus EQ, — Hard for heavy metal. Dist Detune and reverb for a “wet” solo Detune Softer sound. Over — Natural, warm overdrive. Drive Chorus Clean, spacious sound with Cho./...

  • Page 12: Guided Tour

    SETTING UP AND PLAYING YOUR GW33 Once you’ve taken your GW33 out of the box and are ready to use it, you’ll have to make a few connections and follow some simple instructions on setting it up.

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    GW33, and are able to try out some of the other effect programs of the GW33. If no sound is output or the sound isn’t as you expect, refer to the Troubleshooting section on page 36.

  • Page 14: Playing With The Effects

    PLAYING WITH THE EFFECTS Now that you’ve set up your GW33 and have got sound out of it, let’s try playing with some of the effects. (If you haven’t already done so, read through the GW33 SYSTEM OVERVIEW section on page 7 for information on the basic structure of the GW33.) First, make sure that the Play mode is enabled.

  • Page 15: Editing An Effect Program And Saving It

    EDITING AN EFFECT PROGRAM AND SAVING IT The GW33 makes it extremely easy to adjust or change the sound of the effects. In this section, you’ll learn how to change the effect type and use the Parameter Dials to change effect settings.

  • Page 16: Comparing The Edited Effect Program With The Original

    You can either copy the settings down on paper (using a copy of the Blank Effect Parameter Chart on page 38) or go on to the next section and save the settings to the GW33’s memory. 1 2 1 2 CAUTION! 1 2 1 2 button while editing.

  • Page 17: Saving An Effect Program

    BANK/MEMORY indicator until you select one of the User program numbers (11 – 55). This concludes your short tour of the important functions of the GW33. To find out more about how to best use your GW33, look through the Reference section and read about some of the functions that interest you.

  • Page 18: Reference

    REFERENCE This section of the manual explains briefly, yet completely, all of the features and functions of the GW33. Refer to it when you need information about a specific feature or function. SELECTING EFFECT PROGRAMS OPERATION With the Play mode enabled (press p ), first select the desired bank of programs.

  • Page 19: Turning All Effects Off - Bypass Function

    TURNING ALL EFFECTS OFF ム BYPASS FUNCTION While playing, you can instantly get a clean, unprocessed sound by using the Bypass function. This effectively cancels all currently active effects to give you a “dry” sound. To use the Bypass function: Simultaneously and firmly press and hold down Pedal Switches 2 and 3.

  • Page 20: Editing Effect Programs

    EDITING EFFECT PROGRAMS Effect programs can be edited in the Edit mode. Once you’ve edited a program, you can save it to a User memory location. (See SAVING EFFECT PROGRAMS on page 31.) CAUTION! will call up the original effect program’s settings and erase all settings you had made to that point.

  • Page 21: Compare Mode

    HINT 1 When editing an effect, make sure that the Level or Mix parameters of the effect are set to relatively high values before adjusting any other parameters. Doing this ensures that any changes you make with the other Parameter Dials will be fairly noticeable.

  • Page 22: Effects And Parameters

    EFFECTS AND PARAMETERS This section briefly explains each of the effect types and their parameters. For information on how to select effects and edit them, see the sections SELECTING EFFECT PROGRAMS (page 16), and EDITING EFFECT PROGRAMS (page 18). Compressor Block COMP —...

  • Page 23: Distortion/insert Block

    (Connect the external effect to the SEND and RETURN jacks on the rear panel.) The Distortion effects of the GW33 are made up of both analog and digital distortion circuits, giving you excep- tional quality and flexibility in creating distortion sounds.

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    Drive Range: 0 – 15 Determines the degree of Analog Overdrive/Distortion in types 1 – 5, or the degree of Digital Overdrive/Distortion in types 6 – 11. The higher the value the greater the distortion. (This parameter is not available in Type 12.) Tone Range: -7 –...

  • Page 25: Equalizer/amp Simulator (eq/amp) Block

    Equalizer/Amp Simulator (EQ/AMP) Block EQ / AMP 1 EQ / 2 STACK COPY / SWAP / WRITE ••••••••••••••••••••••••••••••••••••••••••••••••• MEMORY NO. The EQ/AMP block provides an Equalizer effect and three different Amp Simulator effects. Effect Type Settings: 1 – 4 The Equalizer/Amp Simulator types are shown below. Types 2, 3 and 4 are Amp Simulator effects.

  • Page 26: Modulation (mod) 1 And 2 Blocks

    Modulation (MOD) 1 and 2 Blocks 1 CHORUS / 2 FLANGER MOD 1 4 PITCH SHIFT / 5 DETUNE MOD 2 6 EXCITER / 7 TOUCH WAH 8 PEDAL WAH COPY / SWAP / WRITE ••••••••••••••••••••••••••••••••••••••••••••••••• MEMORY NO. The Modulation blocks feature a wide range of modulation and pitch change effects, including Chorus, Flanger, Phaser, Pitch Shift and Detune.

  • Page 27: Phaser

    On/Off (Switch 4) Settings: 1 – 3 Determines how Pedal Switch 4 affects on/off switching for the selected Modulation block. (For more information, see the same parameter in the Chorus section above.) Phaser Type The stereo Phaser effect is similar to the sound of a rotary speaker, but with a stronger and deeper modulation.

  • Page 28: Aural Exciter

    1 2 1 2 Pedal Wah lets you sweep the filter manually with a 1 2 1 2 connected Yamaha FC7 Foot Controller. When Pedal 1 2 1 2 ® Wah is selected and the block is on, volume control 1 2 1 2 with the Foot Controller is automatically disabled.

  • Page 29: Delay Block

    Since Delay is a mono effect, it is placed just before the Modulation 1/2 blocks in the effect chain. (See page 7.) One convenient function of the GW33 is that it HINT lets you change between effect programs having similar Delay settings without cutting off the delay sound.

  • Page 30: Reverb Block

    Four different Reverb types are available: Hall, Room, Stage and Plate. HINT One convenient function of the GW33 is that it lets you change between effect programs having similar Reverb settings without cutting off the Reverb sound. To take advantage of this, the Reverb Type parameters of the respective programs must be set to the same value.

  • Page 31: Noise Gate

    Noise Gate N.GATE/UTIL — — — — - - - COPY / SWAP / WRITE ••••••••••••••••••••••••••••••••••••••••••••••••• MEMORY NO. Noise Gate is a separate effect that is placed just after the Distortion block, and is used to eliminate any noise or hum in the signal when the instrument isn’t being played.

  • Page 32: Foot Controller Operations

    FOOT CONTROLLER OPERATIONS An optional FC7 Foot Controller can be connected to the GW33 for use as a volume pedal or as a realtime controller for the Pedal Wah effect. When used as a volume pedal, it can be placed in one of four positions in the effect chain, and be given a Minimum Volume setting (for when you need to easily change between two different volume settings).

  • Page 33: Total Level

    COPY / SWAP / WRITE ••••••••••••••••••••••••••••••••••••••••••••••••• MEMORY NO. This determines the overall level of the GW33’s output. Make sure to set this to an appropriate value. If Total Level is set to zero, no sound will be output from the GW33.

  • Page 34: Copy And Swap Operations

    The GW33 has two convenient operations that allow you to manage the effect programs: Copy and Swap. These operations let you organize the effect programs of the GW33 and put them in any order you wish, or put programs that are often used together in the same bank, so that you can call up the right effect programs quickly and easily onstage or in the studio.

  • Page 35: Swapping One Effect Program With Another

    Swapping One Effect Program with Another The Swap operation simply exchanges two selected programs, swapping the data of one program number for that of the other. Before Swap: BANK # 1 PROGRAM # 1 After Swap: BANK # 1 PROGRAM # 1 NOTE Effect programs cannot be...

  • Page 36: Tuner

    TUNER The Tuner function allows you to quickly and accurately tune your guitar without having to disconnect it from the GW33. It also temporarily cuts off the sound, so that you can tune it silently and inconspicuously during a performance.

  • Page 37: Changing The Standard Pitch Of The Tuner Function

    Changing the Standard Pitch of the Tuner Function The default standard pitch setting of the Tuner (when power is turned on) is A = 440 Hz. However, this can be raised to as high as A = 445 Hz (in 1-Hz steps). To change the standard pitch, use Parameter Dial A.

  • Page 38: Appendix

    APPENDIX TROUBLESHOOTING Even though the GW33 is exceptionally easy to use, it may occasionally not function as you expect it to. Note that the problems covered here are not malfunctions of the GW33. PROBLEM The instrument (guitar) sound cannot be heard.

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    • Make sure that you press both the c and s buttons simulta- neously. • Make sure that the Play mode is turned on. • This indicates that an internal error has been found by the GW33. Contact your dealer or local Yamaha service center as soon as possible.

  • Page 40: Blank Effect Parameter Chart


  • Page 41: Specifications

    FOOT CONTROLLER jack (ONLY Yamaha FC7) 1 2 1 2 Power Supply 1 2 1 2 PA-3 AC adaptor (or another Yamaha recom- 1 2 1 2 mended adaptor). (Never use the PA-3B.) 1 2 1 2 Dimensions (W x D x H) 1 2 1 2 499 x 230 x 56 mm (19-2/3"...

  • Page 42: Index

    INDEX Amp Simulator ....... . 23 Aural Exciter (R) ......26 B (Bank) Pedal Switch .

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    If these corrective measures do not produce satisfactory results, please contact the your local retailer authorized to distribute this type of product. If you can not locate the appropriate retailer, please contact Yamaha Corporation of America, Electronic Service Division, 6600 Orangethorpe Ave, Buena Park, CA 90620 * The above statements apply ONLY to those products distributed by Yamaha Corporation of America or its subsidiaries.

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  • Matt Oct 04, 2015 04:51:
    Do you have a manual in french