VT LOOP MOD KITThis is the new DIY passive effects loop modification kit all the buzz is about, the one that requires ABSOLUTELY NO SOLDERING! It simply plugs in to the inside of your amp! It is the easiest and most complete mod/kit available for the VOX VT15 / 30 / 50 series amps. Requires a philips screw driver and about 20 minutes to install!

WHAT YOULL GET AND HOW IT WORKS;

*VOX, VT15, VT30, VT50 are registered trade marks of the Korg/Vox Corporation with all rights reserved, we are not affiliated with them or any other companies, any references to their name(s) is as a reference only and not intended as an infringement. Modification of any equipment under the factory warranty may void any claims you have for warranty service, check with your manufacturer to be sure before any alterations are made and proceed at your own risk. We can not be held responsible for any losses, damages and/or injuries that may incur by or during the installation of our mods/kits. All of our mods/kits/products are use at your own risk!

The new REAR PANEL is covered in attractive black vinyl closely matching the amps original covering. It fits just like the original rear panel, except it houses the new completely assembled VT LOOP MOD.

ORIGINAL Rear panel

NEWVT LOOP MOD

Rear panel

The SEND jack is located on the top left side of the VT LOOP MODs panel, when a cable is inserted it redirects the signal out of the pre-amp section of the amp, sending it to your effect of choice.

SEND Pre-amp out

The RETURN jack is located on the bottom left side of the VT LOOP MODs panel, when a cable is inserted it redirects the signal into the power amp section of the amp before the tube, returning the signal from your effect of choice.

RETURN Power-amp in

The CD input jack is located on the bottom left of center side of the VT LOOP MODs panel, when a cable is inserted it injects the signal from any CD / MP3 player into the return section of the circuit, you can adjust the level of the CD / MP3 player to match your guitar levels using the CD level control in conjunction with the amps master volume control.

CD / MP3 Input

The HEADPHONE jack is located on the bottom right of center side of the VT LOOP MODs panel, the headphone circuit is now placed after the effects loop and CD / MP3 player input, so anything going into the amp can be heard through the headphones. Plus the headphone jack is no longer a through circuit (the signal does not go through the headphone jack to complete the amps circuit) and will not effect the signal path of the amp (no more dirty headphone jack contacts causing the amps sound to degrade). The HEADPHONE jack can also be used as a LINE OUT for sending signal to a PA or recording device. However the line out plug when inserted into the headphone jack should be pulled back out slightly (insert the cable plug and pull it out one click), this allows the mono signal to be sent to your PA or recorder without any signal loss. *Use the mute switch in conjunction with this feature for either silent use (speaker off = mute on) or monitor use (speaker on = mute off).

HEADPHONEOutput

LINE OUTOutput

The MUTE / BOOST SWITCH is located on the top right of center side of the VT LOOP MODs panel, this switch has 3 positions, up, center and down. In the CENTER position both circuits are off, in the UP position the boost circuit (cabinet simulation) is on, in the DOWN position the speaker mute circuit is on for private listening (speaker off / mute on).

MUTE / BOOST3 position switch

The BOOST foot switch jack is located on the top right side of the VT LOOP MODs panel, this allows a modified two button foot switch to control the BOOST and MUTE circuits (foot switch available separately). When the FOOT SWITCH jack is in use the MUTE / BOOST SWITCH is de-activated and only the foot switch will control these features. *To prevent damage from occurring to your amp, the amp should be turned off before plugging into and out of this jack.

BOOSTFoot switch

The EXTERNAL SPEAKER VT15 & 30 model amps jack is located on the bottom right side of the VT LOOP MODs panel, speaker impedance should be no less than 4. When a speaker cable is inserted it redirects the speaker signal to an external speaker cabinet, disconnecting the internal speaker. VT50 model amps, speaker impedance should be no less than 4. When a speaker cable is inserted it redirects the internal speaker signal in series with an external speaker cabinet, allowing the internal speaker to work with the external speaker. This has no effect on the VT50s existing external speaker jack that disconnects the internal speaker when used, giving you the choice of internal speaker with or without external speaker*To prevent damage from occurring to your amp, the amp should be turned off before plugging into and out of this jack.

EXTERNAL SPEAKEROutput 4 minimum

The FOOT SWITCH, requires a 2 button modified foot switch (available separately). Most standard 2 button foot switches will not work unless they are modified. A modified 2 button foot switch is available for purchase separately on our website. In case you decide to modify your foot switch yourself or have someone do the modification for you, we have provided the details below;The 2 button foot switch requires that one of the switches be a S.P.D.T. (a D.P.D.T. will also work). Once you have the correct switches, re-configure the foot switch wires to match the drawing below;

SPDT push ON

FOOT SWITCH

MuteBoost

Stereo cable3 conductor

SPST push ON

Tip Ring Sleeve

Tip = white wire,Ring = red wireSleeve = black wire

S.P.D.T. / D.P.D.T.

S.P.S.T. / S.P.D.T. / D.P.D.T.

White wire Red wire

Black wire

N/C C N/O

N/C C N/O