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Troubleshooting

1. Power does not turn on when you turn the [POWER] switch on

- Is the power cable connected to the rear panel AC power inlet?
- Is the power cable connected to an AC outlet?
- Could the AC outlet be malfunctioning?
- Could the power cable be damaged?

2. No sound from the amp

- Could your guitar’s volume be turned down?
- Is your guitar cable connected correctly?
- Could your guitar cable be broken?
- Could the top panel [MASTER] volume be turned down?
- Could headphones be connected to the top panel PHONES jack? If so, disconnect them.
- Check the settings of the [GAIN], [VOLUME], [TREBLE], [MIDDLE], and [BASS] controls.

For some amp models, there may be no sound from the amp if the [TREBLE], [MIDDLE],
and [BASS] controls are turned down, just as for the circuitry of the original amp.

- If the VT15/30 is in Manual mode (MANUAL LED lit), could the [GAIN], [VOL-

UME], [TREBLE], [MIDDLE], and [BASS] controls be set to 0 or the minimum value?

3. Insufficient volume from the amp

- Could your guitar’s volume be turned down?
- Could the [MASTER] volume be turned down?
- Could the rear panel [POWER LEVEL] be turned down?
- Check the settings of the [GAIN], [VOLUME], [TREBLE], [MIDDLE], and [BASS]

controls. For some amp models, there may be no sound from the amp if the [TREBLE],
[MIDDLE], and [BASS] controls are turned down, just as for the circuitry of the origi-
nal amp.

- If the VT15/30 is in Manual mode (MANUAL LED lit), could the [GAIN], [VOL-

UME], [TREBLE], [MIDDLE], and [BASS] controls be set to 0 or the minimum value?

4. No sound from 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 are connected to the PHONES jack.
If no sound is produced from the amp, check the items listed in “No sound from the
amp,” above.
If there is sound from the amp, check whether your headphones or cable might be
broken or malfunctioning.

5. Effects are not applied

- Could the BYPASS LED be lit?

If it is lit, the effect is bypassed. Press the [BYPASS] switch to defeat bypass. The
BYPASS LED will go dark.

- Could the [EDIT] knob be set to the minimum value?

Adjust the [EDIT] knob.

Summary of Contents for Valvetronix Amp VT15

Page 1: ...E 1 ...

Page 2: ...fied by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of ...

Page 3: ...2 Manual mode 12 Channel Select mode recalling user programs 13 Creating and saving sounds 14 Creating a sound 14 Adjusting the noise reduction 15 Saving a program 15 Checking the original values saved in a program 16 Restoring the factory settings 16 Using a foot switch VOX VFS5 17 Foot switch operations in Channel Select mode 17 Foot switch operations in Preset or Manual modes 17 Explanation of ...

Page 4: ...ed simultaneously You can create a sound using the desired amp and effect and save it in memory as one of eight programs two banks x four channels Programs can be switched while you perform either from the top panel or from a foot switch connected to the rear panel Channel Select mode For each amp model three preset programs Basic Effected and Song are provided giving you a total of 66 programs Pr...

Page 5: ...ut stage circuit is connected to a specially designed VariAmp power circuit This allows the output of the power stage to be continuously varied from minimum output to maximum output This VariAmp power circuit is completely transparent i e it does not modify the signal so the output tone will be the pure sound of a tube amp The wide dynamic range seen in a conventional tube amp is also maintained T...

Page 6: ...ur amp Setup 1 Set the VT15 30 s MASTER volume to the minimum level 2 Connect the included power cable to the rear panel AC power connector and plug the other end into an AC outlet 3 Plug the cable connected to your guitar into the top panel INPUT jack 4 Turn on the POWER switch 5 Slowly raise the MASTER volume to adjust the volume HINT The rear panel POWER LEVEL control adjusts the output level o...

Page 7: ...of sixty six programs In Preset mode pressing the PRESET switch will cycle the PRESET LED be tweengreen orange andred switchingbetweenpresetprograms1 basic 2 effected and 3 song Each song program reproduces the tone of a hit played by a famous guitar ist Switchingbetweentheuserprograms 1 Press one of the top panel CHANNEL switches CH1 CH2 CH3 or CH4 The LED of the CHANNEL switch you pressed will l...

Page 8: ...d to it NOTE If you connect this jack no sound will be output from the internal speaker 2 Amp section Here you can make settings for the amp The chicken head type knobs reflect the tradition of VOX amplifiers AMP switch selector LED Here you can select the amp mode Each time you press the AMP switch the AMP LED will change color between green and red switching between amp banks A and B Use the AMP...

Page 9: ...l be almost no distortion 3 Effect section Here you can make settings for effects and noise reduction For details on each effect refer to Explanation of the amps and effects p 18 EFFECTS selector This selects the effect type You can use the TAP switch and EDIT knob to adjust the parameters of each effect When you switch the effect type the parameter set tings of the effect will be initialized and ...

Page 10: ... lit HINT When the effect is bypassed you can adjust the noise reduction sen sitivity by holding down the TAP switch and turning the EDIT knob HINT The bypass setting is remembered even when you switch modes or programs or when you turn off the power 4 Preset manual channel section PRESET switch LED Use this to switch to Preset mode and to select preset programs P1 basic P2 ef fected P3 song In Pr...

Page 11: ...e it to switch programs while you perform NOTE You must connect or disconnect the foot switch while the power is off Malfunctionsordamagemayoccurifyouconnectordisconnectthefoot switch while the power is on 3 POWER LEVEL control This adjusts the output wattage of the power amp VT15 less than 0 2W 15W VT30 less than 0 2W 30W NOTE The power level setting is not saved in the program This allows you to...

Page 12: ...rk you re not in Preset mode Press the PRESET switch the PRESET LED will light and you ll be in Preset mode Recalling a preset program With the PRESET LED lit operate the AMP switch selector The preset program specified for each amp model will be selected regardless of the position of the top panel control knobs or EFFECTS selector HINT Each of the twenty two amp models contain three preset progra...

Page 13: ...e If the BANK and CHANNEL LEDs are dark you re not in Channel Select mode Press the BANK switch or a CHANNEL switch the BANK and CHANNELLEDs will light and you ll be in Channel Select mode Switching channels Press a CHANNEL switch to change channels The program specified for that chan nel will be selected regardless of the position of the top panel selectors and control knobs If you press the BANK...

Page 14: ...el knobs such as GAIN VOLUME TREBLE MIDDLE and BASS 5 While holding down the TAP switch turn the EDIT knob to set the noise reduc tion This setting is also saved in the program For details refer to Adjusting the noise reduction p 15 HINT Adjustthenoisereductionsothatthere snounwantednoisewhenyou re not playing your guitar 6 If you want to add an effect press the BYPASS switch once again to defeat ...

Page 15: ... be cut off 3 If you want to use an effect press the BYPASS switch to make the BYPASS LED go dark Saving a program When you ve created a sound you like here s how to save write it HINT If you re saving to a channel in the same bank proceed from step 3 1 Hold down the BANK switch for 0 5 seconds or longer The BANK LED will blink 2 Press the BANK switch to select the save destination bank HINT Ifyou...

Page 16: ... the original value indication appear when you re in Manual mode Restoring the factory settings Here s how to restore all settings of the VT15 30 to their factory set state NOTE Thisoperationwilleraseallprogramsthathadbeensavedtochannels and will initialize the factory set programs NOTE This will also initialize the effect and noise reduction settings that you made in Manual mode 1 Turn off the po...

Page 17: ...y holding down the VFS5 s CH1 4 switches NOTE Operations of the top panel will not be reflected by the VFS5 s LEDs Foot switch operations in Preset or Manual modes Tap to set the speed time CH2 switch In Preset or Manual modes you can set the speed of a modulation type effect or the time of a delay type effect by pressing the VFS5 s CH2 switch The time will be set to the interval between two press...

Page 18: ... is ideal for single coil pickups A 2 DELUXE TWEED This American made 1x12 hand wired tube combo amp is one of the most loved club studio amps in history Its 12W of warm sound that responded sensitively to the player s touch was projected from a tweed covered cabinet made of solid pine A 3 SUPER 4X10 This American made combo amp containing four 10 speakers was produced from 1963 1968 andnotedforit...

Page 19: ...11 BOUTIQUE METAL This models the crushing high gain sound emanated from a German made 100W four channel amp head On the VT15 30 we chose the Heavy channel that deliv ers a startling tightness when played with a dropped D metal tuning Bank B B 1 MODDED CL This modifies an American made black paneled amp that has been modified With this modification an already superb amp gains even greater smoothne...

Page 20: ... the treble booster turned on B 8 UK 80S This models a UK manufactured 100W single channel head with master volume made in 1983 Turn the gain control all the way up to get that thick snarling hard rock and heavy metal sound that dominated the 80 s B 9 CALI METAL This models the modern high gain channel from a wild beast of a high gain amp Its deep and loose low end sparkling highs and monstrous ga...

Page 21: ...EED DEPTH SPEED PITCH PITCH 12 7 5 DT 5 7 12 MIX PITCH HINT In order to edit the effect parameter settings effect bypass must be off theBYPASSLEDmustbedark Ifbypassison BYPASSLEDlit hold ingdownthe TAP switchandturningthe EDIT knobwilladjustthenoise reduction sensitivity instead of an effect parameter HINT Ifyoudon twanttouseaneffectinauserprogram settheeffecttype toDELAYorTAPEECHO Thenturnthe EDI...

Page 22: ... turn off the effect HINT For the COMP CHORUS combination effect turning the EDIT 3 knob BYPASS EDIT all the way to the left will turn CHORUS off letting you use COMP by itself OCTAVE This models a pedal that adds a sense of weight by generating an octave below the input and adding this lower octave to the original sound EDIT1 EDIT MIX Adjusts the mix amount for the octave lower sound NOTE This ty...

Page 23: ...ASS EDIT DEPTH Adjusts the depth of tremolo EDIT2 TAP EDIT SPEED Letsyouusetheknobtomakefineadjustments in the speed PITCH This is a pitch shifter that allows chords to be input and provides a maximum pitch change of one octave upward or downward TAP PITCH Specifies the pitch Each time you press TAP the pitch shift amount will cycle between 12 7 5 DT 5 7 and 12 DT detune EDIT1 EDIT LEVEL Adjusts t...

Page 24: ...urned down Could the MASTER volume be turned down Could the rear panel POWER LEVEL be turned down Check the settings of the GAIN VOLUME TREBLE MIDDLE and BASS controls Forsomeampmodels theremaybenosoundfromtheampifthe TREBLE MIDDLE and BASS controls are turned down just as for the circuitry of the origi nal amp If the VT15 30 is in Manual mode MANUAL LED lit could the GAIN VOL UME TREBLE MIDDLE an...

Page 25: ...inal 8 inch 4 ohm x 1 VT30 VOX original 10 inch 4 ohm x 1 Signal processing A D conversion 24 bit D A conversion 24 bit Sampling frequency 44 1 kHz Power supply requirements AC local voltage Power consumption VT15 28W VT30 40W Dimensions W x D x H VT15 428 x 224 x 395 mm 16 9 x 8 8 x 15 6 inches VT30 456 x 224 x 430 mm 18 0 x 8 8 x 16 9 inches Weight VT15 10 kg 22 1 lbs VT30 12 kg 26 5 lbs Include...

Page 26: ...eet Child O Mine US 90s Hot for Teacher UK Modern Surfing With The Alien Boutique Metal For The Love Of God Amp B RED Song Title Modded CL Pride In The Name Of Love Tweed 2x12 Crossroads Tweed 4x10 Jessica AC15 Day Tripper AC30TB Layla Boutique OD Free Bird AC30BM Tie Your Mother Down UK 80s Walk This Way Cali Metal The Trooper UK 90s Smells Like Teen Spirit Metal Bull Enter Sandman The equipment ...

Page 27: ...ake a note of your settings We suggest that you make photocopies of this program sheet and make your notes on the photocopies Remember to note the NR setting and POWER LEVELcontrol setting rear panel PROGRAM NAME NOTE NR NOISE REDUCTION POWER LEVEL EDIT2 TAP EDIT TAP EDIT3 BYPASS EDIT PROGRAM NAME NOTE NR NOISE REDUCTION POWER LEVEL EDIT2 TAP EDIT TAP EDIT3 BYPASS EDIT ...

Page 28: ...ternet through mail order and or via a telephone sale you must verify that this product is intended to be used in the country in which you reside WARNING Use of this product in any country other than that for which it is intended could be dangerous and could invalidate the manufacturer s or distributor s warranty Please also retain your receipt as proof of purchase otherwise your product may be di...

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