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Vox VT20+ manual

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Table of contents for the manual

  • Page 1

    E 2[...]

  • Page 2

    IMPORT ANT SAFETY INSTRUCTIONS • Read these instructions. •K eep these instructions. • Heed all warnings. •F ollow all instructions. • Do not use this apparatus near w ater. • Mains pow ered apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids, such as v ases, shall be placed on the apparatus .[...]

  • Page 3

    3 T able of C ontents Introduction ...................................................................................... 4 W elcome! ........................................................................................................ 4 Main f eatures ..............................................................................................[...]

  • Page 4

    4 In troduction W elcome! Thank you for purchasing the VOX V alvetr onix VT20+/VT40+/VT80+/ VT120+ modeling guitar amplifier . To help you get the most out of your new amplifire, please r ead this manual carefully . Get ready to enjoy the VT20+/VT40+/VT80+/VT120+ amazing guitar sounds! M ain featur es • The VT20+/VT40+/VT80+/VT120+ uses V alve Re[...]

  • Page 5

    5 Quick star t This Quick Start section is for those of you who would like to start using your new amp right away . This manual contains information that will help you take full advantage of your V alvetronix amp, so be sure to read the r est of it after you’ve read the Quick Start section. HINT : Illustrations of the top panel and rear panel ar [...]

  • Page 6

    6 HINT : The amp models are organized into thr ee banks, each bank containing eleven models (a total of thirty-three). Pr ess the AMP switch to change banks. Each time you press this, the AMP LED will switch to green, orange, or r ed, and you’ll switch to amp banks STD, SPL, and CST . Each of the thirty-three amp models has three pr eset programs[...]

  • Page 7

    7 PRESET LED PRESET switch MANU AL LED T op and rear panels In this chapter we're going to take a look at the top and r ear panels of your Va lvetronix amp. To p panel 1 2 4 3 5 6 7 8 9 The illustration shows the VT20+. 1. INPUT section INPUT jack This is wher e you plug in your guitar . 2. PRESETS/MANUAL section PRESET switch and LED, MANUAL [...]

  • Page 8

    8 AMP LED AMP selector AMP switch 3. AMP section Here you can adjust the settings for the amp using the traditional VOX “chicken head” knobs. AMP switch and selector , LED Here you can select the amp mode. Each time you press the AMP switch, the bank and AMP LED color will change as follows: • STD (Standard): green • SPL (Special): orange ?[...]

  • Page 9

    9 PED AL selector VA LUE knob MOD/DELA Y selector T AP LED T AP switch DEPTH knob TUNER (BYP ASS) LEDs BANK switch BANK LED TUNER (BYP ASS) switch CHANNEL LED CHANNEL switch 4. CHANNEL/TUNER section BANK and CHANNEL switches, LEDs Use the BANK switch to select the channel bank. In Channel Select mode, the BANK LED will be lit gr een or red. Use the[...]

  • Page 10

    10 REVERB knob POWER LEVEL control MOD/DELA Y selector This selects the modulation type, delay type, or other effect type. When you switch the effect type, the parameter settings of the effect will be initialized. DEPTH knob This adjusts the parameter of each effect, such as the depth of the ef fect. Y ou can also adjust the modulation speed and ot[...]

  • Page 11

    11 PHONES jack A UX IN jack 9. AUX IN/PHONES section AUX IN jack Connect the analog output of an audio device to this jack. Y ou can connect a CD or MP3 player here, and play along on the guitar while listening to your favorite songs. PHONES jack Use this jack if you want to output dir ectly to a mixer or record- ing device, or when you want to use[...]

  • Page 12

    12 Ab out the three opera ting modes Pr eset mode (recalling preset programs) In Preset mode you can use the AMP switch/selector to r ecall programs for each amp model: “basic” programs containing typical sounds for that amp model, “effect” preset pr ograms, and “song” pr eset programs that r eplicate tones from hit songs. Each program [...]

  • Page 13

    13 Channel Select mode (recalling user programs) In Channel Select mode you can use the BANK switch and CHANNEL switches to recall the pr ograms that are saved in each channel of the bank; all of the amp and effect parameters will switch automatically . Switching to Channel Select mode If the BANK and CHANNEL LEDs ar e dark, you’re not in Channel[...]

  • Page 14

    14 Crea ting and sa ving sounds Y ou can cr eate a sound either by starting with an existing program that’s close to what you have in mind and then editing it, or by creating the sound “fr om scratch” (i.e., from an initialized state). Cr eating a sound Here’s how to create a sound fr om scratch. 1. Enter Manual mode. 2. Use the TUNER (BYP [...]

  • Page 15

    15 DELA Y LEVEL: T urn the DEPTH knob (without holding down a switch). DELA Y TIME: Pr ess the T AP switch twice (at the desir ed timing interval). DELA Y FEEDBACK: T urn the DEPTH knob while holding down the T AP switch. HINT : For details on the ef fect types, refer to “About the amp models and effect types” (p. 22). Ad justing the noise redu[...]

  • Page 16

    16 3. For two seconds or longer , hold down the CHANNEL switch of the channel in which you want to save the sound. The program will be saved in that channel, and that bank and channel will be selected. NO TE: The program that was previously in that location will be overwrit- ten; i.e., the program that had been in the channel you selected in step 3[...]

  • Page 17

    17 2. While holding down the CH1 and CH4 switches, turn on the power . When the BANK and CHANNEL LEDs start blinking, r elease the two switches you had been holding down. HINT : If you decide to cancel initialization at this point, pr ess the TUNER (BYP ASS) switch. 3. Press the T AP switch. The BANK and CHANNEL LEDs will change from blinking to li[...]

  • Page 18

    18 U sing the tuner The tuner function lets you tune a guitar that’s connected to the INPUT jack. 1. Press the TUNER (BYP ASS) switch. All effects will be bypassed and the tuner function will be turned on. Bypass indicator (No valid signal is input.) HINT : If you want to tune your guitar with the amp output muted, hold down the TUNER (BYP ASS) s[...]

  • Page 19

    19 U sing a foot switch ( V O X VFS5) If you connect an optional foot switch (VOX VFS5: sold separately) to the rear panel FOOT SW jack, you’ll be able to switch banks/channels and turn ef fect bypass on/off using your foot. NOTE: Y ou must connect or disconnect the foot switch while the power is off. Malfunctions or damage may occur if you conne[...]

  • Page 20

    20 Ef fect on/off (CH1, 2, 4 switches) In Preset or Manual mode, you can press the VFS5’s CH1, 2 or CH4 switches to turn PEDAL, MOD/DELA Y , and REVERB ef fects on/off r espectively . NO TE: If the effect is turned off because you used the V ALUE, DEPTH, or REVERB knob, the CHANNEL switches will have no effect. NO TE: The effect on/of f status se[...]

  • Page 21

    21 Signal pa th Y our guitar sound passes through the following sections. Refer to “T op and rear panels” (p. 7) in conjunction with this illustration. EFFECT PRE AMP GAIN VOLUME EFFECT MASTER POWER LEVEL PEDAL MOD/DELA Y REVERB VA L VE REACTOR VA LV E ECC83 (12AX7) Select one of 33 Wh at is V alv e Reac tor t echnolo gy? The V alve Reactor cir[...]

  • Page 22

    22 Ab out the amp models and effec t types This section provides details about the amp models and ef fect types, such as pedal effect, modulation and delay ef fects and reverb ef fect A mp models 1. CLEAN STD (Standard) This models the clean channel of a high-quality amp that was produced only on special order , and was known as the overdrive speci[...]

  • Page 23

    23 SPL (Special) This models the 22W Bruno Cowtipper Pro II 22 which owes its existence to a special friend of VOX, the custom amp designer T ony Bruno. It responds with extreme sensitivity to your playing touch, and its silky-sweet clean tone be- comes a crunch sound rich in overtones when you turn up the volume. CST (Custom) This models a wood-fi[...]

  • Page 24

    24 6. VOX AC30 STD (Standard) This models an AC30 amp with a “top boost” cir cuit that was included as standard beginning in 1964. It delivers a smooth and r efined top end, a majesti- cally deep overdrive, and a rich, brilliant clean sound. SPL (Special) Designed after our VOX Hand-wired Heritage AC30H2 this model pr ovides the sparkle that is[...]

  • Page 25

    25 9. US HIGH GAIN STD (Standard) This models a 100W boutique amp head manufactured in North Hollywood. This amp can be switched between power tube class AB or class A modes; the class AB mode used on the VT20+/VT40+/VT80+/VT120+ produces rich overtones and featur es a highly musical response. SPL (Special) This models the over drive channel of a s[...]

  • Page 26

    26 P edal effects The VT20+/VT40+/VT80+/VT120+ provides eleven of the most popular types of pedal effect. Y ou can use the V ALUE knob to adjust the major parameters. NO TE: In order to edit the pedal ef fect parameter settings, effect bypass must be off (the BYP ASS LED must be dark). If bypass is on (BYP ASS LED lit), turning the V ALUE knob will[...]

  • Page 27

    27 5. BRN OCT A VE This models a pedal that adds gravity to a sound by generating a sound one octave below , and mixing this with the original (dry) sound. Knob Par ameter V ALUE LEVEL Adjusts the mix amount of the octav e-lower sound. 6. TREBLE BOOST This models the tr eble booster built into the VOX VBM-1, which was designed for use with the VOX [...]

  • Page 28

    28 Modula tion and delay eff ects The VT20+/VT40+/VT80+/VT120+ provides eleven types of modulation effects, delays and other effects. The SPEED parameter of modulation effects and the TIME parameter of delay effects can be easily adjusted by pr essing the T AP switch twice. HINT : To set a precise speed or time that matches the tempo of a song, pre[...]

  • Page 29

    29 4. ORG PHASE This models a popular analog phaser in a banana-colored box. Knob/Switch Par ameter DEPTH RESONANCE Adjusts the amount of resonance. TA P SPEED Adjusts the modulation speed in a range of 0.1...15 Hz. T AP+DEPTH SPEED Adjusts the speed. 5. TWIN TREM This models the acclaimed tremolo cir cuit built into a US-made combo amp. Knob/Switc[...]

  • Page 30

    30 8. FIL TRON This is an envelope-controlled filter (wah) that opens or closes a filter based on input from a guitar . Knob/Switch P arameter DEPTH SENS Adjusts the sensitivity to the guitar's v olume. TA P TYPE Specifies the direction of mov ement (up or down). If Up is selected, the T AP switch LED will light. T AP+DEPTH RESONANCE Adjusts t[...]

  • Page 31

    31 Rev erb effects Three types of r everb ar e provided. Depending on the position of the REVERB knob, this selects the r everb type (ROOM, SPRING, or HALL) or adjusts the mix amount of the r everb sound. NO TE: T o turn the reverb ef fect off, rotate the REVERB knob all the way to the left. 1. ROOM This reverb type simulates a typical r oom that c[...]

  • Page 32

    32 Tr oubleshooting 1. P ower does not turn on when y ou turn the POWER switch on •I s the power cable connected to the rear panel AC power inlet? •I s the power cable connected to an AC outlet? • Could the AC outlet be malfunctioning? • Could the power cable be damaged? 2. No sound fr om the amp • Could your guitar ’s volume be turned [...]

  • Page 33

    33 4. No sound fr om the PHONES jack • Could the top panel MASTER volume be turned down? • Check whether sound is output from the amp. To do this you must disconnect the PHONES jack, since sound will not be output from the internal speaker if headphones or a cable ar e connected to the PHONES jack. If no sound is produced fr om the amp, check t[...]

  • Page 34

    34 Sp ecifications Number of amp models: 33 Number of effects P edal effect types: 11 Modulation/dela y types: 11 Re verb types: 3 Noise reduction: 1 Number of pr ograms Preset: 99 User : 8 (two banks x f our channels) Input/output jacks T op panel: INPUT jack x1, PHONES jac k x1, A UX IN jack Rear panel: FOO T SW jack x1 Po wer amp output VT20+: m[...]

  • Page 35

    35 Song preset pr ogram Amp Model Name (GREEN) Song Title 01 CLEAN STD (Standard) Gra vity 02 CALI CLEAN STD (Standard) Brown Sugar 03 US BLUES STD (Standard) Cocaine 04 US 2x12 STD (Standard) Creep 05 VO X A C15 STD (Standard) I Feel Fine 06 VO X A C30 STD (Standard) Pride 07 UK ROCK STD (Standard) Fo xy Lady 08 UK MET AL STD (Standard) Enter Sand[...]

  • Page 36

    36 PROGRAM NAME NO TE: PROGRAM NAME NO TE: PROGRAM NAME NO TE: Pr ogr am sheet When you come up with a sound you like, you can use this sheet to make a note of your settings. W e suggest that you make photocopies of this pr ogram sheet, and make your notes on the photocopies. Remember to note the NR and SPEED settings.[...]

  • Page 37

    37 PROGRAM NAME NO TE: PROGRAM NAME NO TE: PROGRAM NAME NO TE:[...]

  • Page 38

    38 PROGRAM NAME NO TE: PROGRAM NAME NO TE: PROGRAM NAME NO TE:[...]

  • Page 39

    39 PROGRAM NAME NO TE: PROGRAM NAME NO TE: PROGRAM NAME NO TE:[...]

  • Page 40

    2 E IMPORT ANT NO TICE T O CONSUMERS This product has been manuf actured according to strict specifications and vo ltage requirements that are applicable in the countr y in which it is intended that this product should be used. If you ha ve purchased this product via the internet, through mail order, and/or via a telephone sale , you m ust verify t[...]