Standard, Deluxe, Platinum "Purist" Mods & Upgrades
Marshall EL34 100/100 "Purist" Modifications
Standard Mod™ $195.00
Deluxe Mod™ $489.00
Platinum Mod™ $808.00
Platinum Mod™ $808.00 International Customers!
Filter Cap Job $149.00 (see below)
"Improve the tone, feel & reliability of your Marshall EL34 100/100 Power Amp!"
Standard Mod™ $195.00 (per side - see description)
Circuitry Modifications
Description / Specs:
- EL34 100/100 power amps are two complete power amps in one enclosure
- Purists Mods match the specs on the best sounding EL34 100/100 we worked on!
- Upgrade of all coupling & bypass capacitors (same values as EL34 100/100)
- Original EL34 100/100 spec'ed values
- Matching original EL34 100/100 voltages in preamp
- Improved tone & feel
- Improved playability - Easier to bend & vibrato
- EQ section is much more musical
- Highs are smoother & more pleasing - Not as harsh or bitey
- Bottom end is more focused - Not as boomy or muddy
- Mids are more focused & clear
- Improved note detail & clarity
- The tone is more inspiring, smoother & more fun to play on
- Please list "Purist Mod" in the notes section of the Mod-Form
- 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 
(per side - see description)
Output Transformer Upgrade to Standard Mod™
Description / Specs:
- Includes Standard Mod™ (see above)
- Includes Upgraded Mercury Magnetics VA-100/100-O Voodoo-Designed™ Output Transformer
- $239.00 & $55.00 Installation fee (included)
- EL34 100/100 power amps are two complete power amps in one enclosure
- Increased sustain
- Improved harmonic detail
- Improved articulation & definition
- Improved bass response
- Increased even-order harmonics (IE: sounds much more musical)
- Improved headroom
- Approximate turn-around time 5-7 days - rush service is available
- Transformer FAQ's
- Brand New Voodoo Modified!
Platinum Mod™ $808.00 (per side - see description)
Power, Choke & Reverb Transformer Upgrade to Deluxe Mod™
Description / Specs:
- The ultimate in tone and performance!
- Includes Standard & Deluxe Mods™ (see above)
- Includes Upgraded Mercury Magnetics VA-100/100-P Voodoo-Designed™ Power Transformer
- $239.00 & $80.00 Installation fee (included)
- EL34 100/100 power amps are two complete power amps in one enclosure
- Lush reverb tones with incredible depth
- Vastly improved tone!
- Deep & Rich low end - All low end is useable
- Mids are perfectly focused
- Highs are lush, open & bell like
- Greatly increased sustain & harmonic content
- Improved power regulation & Reduced noise and hum
- Greatly improved playability - Smoother feel & easier to play
- A must for touring musicians, engineers/producers & tone lovers alike!!
- Platinum Mod™ will give you the best tone, feel and performance
- Approximate turn-around time 5-7 days - rush service is available
- Transformer FAQ's
- Voodoo Amps® World AC Voltage Guide
Platinum Mod™ $808.00 (per side - see description) International Customers!
Power, Choke & Reverb Transformer Upgrade to Deluxe Mod™
- The ultimate in tone and performance!
- Includes Standard & Deluxe Mods™ (see above)
- Same as USA Platinum Mod!
- No need for step-down transformers that can harm your amp!
- EL34 100/100 power amps are two complete power amps in one enclosure
- Includes Standard & Deluxe Mods™ (see above)
- Includes Upgraded Mercury Magnetics VA-100/100-PE Voodoo-Designed™ Power Transformer
- $239.00 & $80.00 Installation fee (included)
- Choose your voltage - 100V, 220V, 230V, 240V
- Lush reverb tones with incredible depth
- Vastly improved tone!
- Deep & Rich low end - All low end is useable
- Mids are perfectly focused
- Highs are lush, open & bell like
- Greatly increased sustain & harmonic content
- Improved power regulation & Reduced noise and hum
- Greatly improved playability - Smoother feel & easier to play
- A must for touring musicians, engineers/producers & tone lovers alike!!
- Platinum Mod™ will give you the best tone, feel and performance
- Note - Please notate your AC voltage in the Notes Section of the Mod Form
- Approximate turn-around time 5-7 days - rush service is available
- Transformer FAQ's
- Voodoo Amps® World AC Voltage Guide
Voodoo Filter Cap-Job™ $149.00 (per side - includes labor)
Voodoo Maintinance™
- Standard Tube Amp Maintenance
- Replace electrolytic capactors in the high voltage / B+ supply
- Restores natural bottom end
- Removes / prevents unwanted hum & noise
- Restores amps natural bottom end / bass response
- Restores tone and touch response
- Voodoo only used highest quality capacitors (F&T's, etc)
- Note - Please select "Yes" next to "Filter Cap Job" on the Mod Form
- To avoid tonal degradation, unwanted hum & noise or potential failure in the power supply your amp should be re-capped once every 10 years
After Voodoo Upgrades!™
Upgrade-Form / Upgrade Process & FAQ's / Packing & Shipping / Reviews / Contact / Voodoo Myspace
"Get inspired - upgrade your tone now!"
Voodoo Amps® is the Leader in Tube Amp Mods & Upgrades
Pricing, features & specifications subject to change without notice