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   Standard, Deluxe, Platinum Mods & Upgrades

 

Marshall 4203 Artist Combo Mods
Standard Mod™  $195.00  
Deluxe Mod™  $489.00  
Platinum  Mod™  $832.00  
Platinum  Mod™  $832.00  International
Adjustable Bias Mod™  $50.00 

Mod Process & FAQ's
Packing & Shipping Info

 

 

 

 

 "Gorgeous clean tones to massive gain tones - Dollar for dollar it can't be beat!!" 

 

  Standard Mod™  $195.00
Circuitry Modifications

Description / Specs:

  • All Modifications are exclusive to Voodoo Amps®  
  • Greatly improved clean tones - more airy/chimey/open sounding & lush (Fender Twin)
  • Restructure the gain - remove the fizzy/fuzzy/buzzy qualities & increase the gain/distortion
  • Excellent for leads or single note passages
  • Increased harmonic detail & complexity
  • Easier to bend & vibrato
  • Faster attack - tracks every note you play immediately
  • Improved note articulation - more articulate/defined/clear 
  • Harmonics will leap off from the fretboard with ease
  • No matter how much gain you use you can still hear all the notes within the chords
  • When you turn the gain control to 10 - it's all useable
  • Greatly improved clean tones - more airy/chimey/open sounding & lush (Fender Twin)
  • Deeper / richer bottom end - All you will ever need is at your disposal 
  • Lows, mids to highs are much more balanced across the frequency spectrum
  • Cranked tones at lower volumes
  • EQ section is much more active and responsive allowing for numerous tonal possibilities
  • Amp will cut through & sit in the mix much better live as well as in the recording studio
  • The tone is more inspiring, smoother & more fun to play on
  • Voodoo Mods™ retain your amps resale value verses decreasing it
  • Approximate turn-around time 5-7 days - rush service is available  

  

  Deluxe Mod™  $489.00 
Output Transformer Upgrade to Standard Mod™

Description / Specs:

  • Includes Standard Mod™ (see above)
  • Includes Upgraded Mercury Magnetics VA-4203-O Voodoo-Designed™ Output Transformer 
  • $239.00 & $55.00 Installation fee (included)
  • Superior tone & reliability over stock output transformer
  • Vastly increased sustain - leads are much more liquid like & fluid
  • Effortless Pinch / artificial harmonics
  • Greatly improved articulation & definition
  • Increased / richer bass response
  • Increased even-order harmonics (IE: sounds much more musical)
  • Massive rhythm tones - when you hit a chord it's there immediately 
  • Greatly increased headroom - holds together better at stage / higher volumes
  • Approximate turn-around time 5-7 days - rush service is available 
  • Transformer FAQ's

 

  Platinum Mod™  $832.00  
Power & Choke Transformer Upgrade to Deluxe Mod

  • Includes Deluxe Mod™ (see above)
  • Includes Upgraded Mercury Magnetics VA-4203-P Voodoo-Designed™ Power Transformer
  • $189.00 & $80.00 Installation fee (included) 
  • Includes Upgraded Mercury Magnetics VA-4203-C Voodoo-Designed™ Choke
  • $39.00 & $35.00 Installation fee (included) 
  • 120V 60Hz Operation 
  • Superior performance & reliability
  • Improved power regulation  
  • Greatly reduced noise and hum 
  • Greatly improved feel & tone 
  • Smoother feel & easier to play
  • A must for touring musicians, engineers and producers!
  • Platinum Mod™ will give you the best tone, feel and performance
  • Average turn-around time 5-7 days - rush service is available
  • Transformer FAQ's 
  • Voodoo Amps® World AC Voltage Guide

 

  Platinum Mod™  $832.00  International Customers!
Power & Choke Transformer Upgrade to Deluxe Mod

  • No need for step-down transformers that can harm your amp!
  • Includes Deluxe Mod™ (see above)
  • Includes Upgraded Mercury Magnetics VA-4203-PM Voodoo-Designed™ Power Transformer
  • $189.00 & $80.00 Installation fee (included) 
  • Includes Upgraded Mercury Magnetics VA-4203-C Voodoo-Designed™ Choke
  • $39.00 & $35.00 Installation fee (included) 
  • Choose your voltage - 100V, 220V, 230V, 240V & More!  
  • Superior performance & reliability
  • Improved power regulation  
  • Greatly reduced noise and hum 
  • Greatly improved feel & tone 
  • Smoother feel & easier to play
  • A must for touring musicians, engineers and producers!
  • Platinum Mod™ will give you the best tone, feel and performance  
  • Average turn-around time 5-7 days - rush service is available
  • Save money! Buy from Ebay USA, have it shipped directly to us & we will ship it you!
  • Save money on shipping! We offer several shipping options, please Email us for an estimate!
  • Transformer FAQ's   
  • Voodoo Amps® World AC Voltage Guide

 

 

 

 Mod-Form  /  Mod Process & FAQ's  /  Packing & Shipping  /  Reviews  /  Contact

"Get inspired - upgrade your tone now!" 


 

 

Voodoo Amps® is the Leader in Tube Amp Mods & Upgrades

Pricing, features & specifications subject to change without notice

 "We have countless Mods that we have designed & will be adding them to the site daily!"

If you do not see your amp listed here please call (607-256-0465) or email us!  

 

  

 

Customer Feedback  "I bought this amp off from eBay for next to nothing. The cleans were dark and muddy and the gain channel was lifeless. A friend of mine had his JCM800 Voodoo Modded and it was remarkable!! The 3203 has a solid state preamp with a tube power section. Even though it wasn't all tube Voodoo said they could make it sound better. For the price I figured what the hell and I went for the Platinum Mod. Happy? Damn right I am!" - Dwane Clark, MA

Customer Feedback  "When they say the cleans are like a Twin they aren't kidding. It's damn near as good as my Roland JC120 and I never though that was possible. They increased the gain but it's just amazing. Notes hang for ever and the harmonics come out ten times easier. The low end is way more chunky and meaty but not muddy. The amp is more like 50 watts now and I can actually gig with it! They are right, for the money this thing is a gold mine!" - Ted Rossdale, CA

Customer Feedback  "Look it's simple, you can through away money on a ton of amps costing more o get a Voodoo 3203 Mod and transform it into something magical. They even installed a transformer coupled DI output with a XLR for me because I wanted to run straight into Pro Tools. Be prepared to be amazed!" - Lorenzo Lama, NYC

Customer Feedback  "In the tone department this totally nukes my Peavey 6505. It cuts though better live, the cleans actually sound amazing and the gain is outstanding. You've exceeded my expectations 10 fold." - Justin Bardine, KY

Customer Feedback  "I mainly play country and with a compressor pedal in front it's once the best clean tones I've heard. It's snappy, warm and very Fender like over all." - Johnny David, TN

Customer Feedback  "I was skeptical. I never heard a solid state preamp sound worth a damn so why should this be any different. I've wasted more money on digital model amps and was not happy but after reading the reviews I was convinced that if anyone could make this amp sound better it was Voodoo. I picked up this amp on a whim and after the Mods I can honestly say the tone is on par with my Bogners. These amps are so cheap I picked up another and it's currently on it's way to be Voodoo Modded. There isn't an amp in this price range that can compete with this tone." - Tim Brittingham, CA

 

 

 "We have countless Mods that we have designed & will be adding them to the site daily!"

If you do not see your amp listed here please call (607-256-0465) or email us!  

 

  

 

Customer Feedback  "I bought this amp off from eBay for next to nothing. The cleans were dark and muddy and the gain channel was lifeless. A friend of mine had his JCM800 Voodoo Modded and it was remarkable!! The 3203 has a solid state preamp with a tube power section. Even though it wasn't all tube Voodoo said they could make it sound better. For the price I figured what the hell and I went for the Platinum Mod. Happy? Damn right I am!" - Dwane Clark, MA

Customer Feedback  "When they say the cleans are like a Twin they aren't kidding. It's damn near as good as my Roland JC120 and I never though that was possible. They increased the gain but it's just amazing. Notes hang for ever and the harmonics come out ten times easier. The low end is way more chunky and meaty but not muddy. The amp is more like 50 watts now and I can actually gig with it! They are right, for the money this thing is a gold mine!" - Ted Rossdale, CA

Customer Feedback  "Look it's simple, you can through away money on a ton of amps costing more o get a Voodoo 3203 Mod and transform it into something magical. They even installed a transformer coupled DI output with a XLR for me because I wanted to run straight into Pro Tools. Be prepared to be amazed!" - Lorenzo Lama, NYC

Customer Feedback  "In the tone department this totally nukes my Peavey 6505. It cuts though better live, the cleans actually sound amazing and the gain is outstanding. You've exceeded my expectations 10 fold." - Justin Bardine, KY

Customer Feedback  "I mainly play country and with a compressor pedal in front it's once the best clean tones I've heard. It's snappy, warm and very Fender like over all." - Johnny David, TN

Customer Feedback  "I was skeptical. I never heard a solid state preamp sound worth a damn so why should this be any different. I've wasted more money on digital model amps and was not happy but after reading the reviews I was convinced that if anyone could make this amp sound better it was Voodoo. I picked up this amp on a whim and after the Mods I can honestly say the tone is on par with my Bogners. These amps are so cheap I picked up another and it's currently on it's way to be Voodoo Modded. There isn't an amp in this price range that can compete with this tone." - Tim Brittingham, CA

 

 

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