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    • viva Analog “MOS CHAOS-DRIVE”
    • viva Analog “COMP-LIMITER”
    • 360+ “Pro” Preamp // Acoustic 360 CLONE w Fuzz
    • 360+ “Lite” Preamp // Acoustic 360 CLONE w/o Fuzz
  • PROJECTS
    • High Speed MN3005 Chorus // 2026
    • viva Analog “SERVO-COMPRESSOR” // 2024
    • viva Analog “1176x” // 2020
    • viva Analog “6G VIBRATO” // 2020
    • EA Vibrato “SMOOTHING MODS” // 2020
    • Full-Wave (FW) Rectifiers for Signal Processing // 2020
    • FW-Rectifier based “up-Octaver” Designs // 2020
    • viva Analog “HARD-MOD” // 2019
    • viva Analog “SUB-MUX” // 2019
    • viva Analog “LA-2A”// 2019
    • viva Analog “HARD-MOD” // 2019
    • viva Analog “NW-Octaver” // 2019
    • viva Analog “Octave Splitter” // 2018
    • viva Analog “Precision Shifter” // 2018
    • PARADIGM SHIFTER DIY // 2017
    • ARDUINO WAH // 2016
    • WAYNE CHORA-TONE PROJECTOR DIY // 2016
    • viva Analog “MU3” // 2014
    • viva Analog “Envelope-Lock(ed Loop)” // 2013
    • viva Analog “Arbutus Boost” // 2012
    • viva Analog “Bleeding Aliaser” // 2009
    • vivaAnalog-RCA12ax7 Spice Model update // Gain Sims
    • Vintage SHINEI UNIVIBE – restoration and enhancement
    • Hammond B2 // “split” preamp with optical Expression control
    • Wurlitzer 270 // “Passive-Output” Conversion
    • vA 361+ Power Amplifier // Acoustic 361 re-Design Fix
    • jFET Transistors : Getting to know Vgs(off) and Idss
    • STATUS ARTIS
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viva Analog | Handcrafted Guitar Pedals & DIY Projectsviva Analog | Handcrafted Guitar Pedals & DIY Projects
viva Analog | Handcrafted Guitar Pedals & DIY Projects

Off Canvas Menu

  • Home
  • SHOP
    • viva Analog “MOS CHAOS-DRIVE”
    • viva Analog “COMP-LIMITER”
    • 360+ “Pro” Preamp // Acoustic 360 CLONE w Fuzz
    • 360+ “Lite” Preamp // Acoustic 360 CLONE w/o Fuzz
  • PROJECTS
    • High Speed MN3005 Chorus // 2026
    • viva Analog “SERVO-COMPRESSOR” // 2024
    • viva Analog “1176x” // 2020
    • viva Analog “6G VIBRATO” // 2020
    • EA Vibrato “SMOOTHING MODS” // 2020
    • Full-Wave (FW) Rectifiers for Signal Processing // 2020
    • FW-Rectifier based “up-Octaver” Designs // 2020
    • viva Analog “HARD-MOD” // 2019
    • viva Analog “SUB-MUX” // 2019
    • viva Analog “LA-2A”// 2019
    • viva Analog “HARD-MOD” // 2019
    • viva Analog “NW-Octaver” // 2019
    • viva Analog “Octave Splitter” // 2018
    • viva Analog “Precision Shifter” // 2018
    • PARADIGM SHIFTER DIY // 2017
    • ARDUINO WAH // 2016
    • WAYNE CHORA-TONE PROJECTOR DIY // 2016
    • viva Analog “MU3” // 2014
    • viva Analog “Envelope-Lock(ed Loop)” // 2013
    • viva Analog “Arbutus Boost” // 2012
    • viva Analog “Bleeding Aliaser” // 2009
    • vivaAnalog-RCA12ax7 Spice Model update // Gain Sims
    • Vintage SHINEI UNIVIBE – restoration and enhancement
    • Hammond B2 // “split” preamp with optical Expression control
    • Wurlitzer 270 // “Passive-Output” Conversion
    • vA 361+ Power Amplifier // Acoustic 361 re-Design Fix
    • jFET Transistors : Getting to know Vgs(off) and Idss
    • STATUS ARTIS
  • Cart
  • Contact
    • STORE POLICY
    • RETURNS POLICY

Original Analog Effects, Circuit Design and DIY Projects

viva Analog is an audio research lab dedicated to designing and documenting high-fidelity analog effects for guitar, bass, and synthesizers. Discover DIY projects, in-depth technical articles, and innovative implementations of classic and modern effects.

360+ PREAMP/FUZZ DIY

Build your own legendary 360+ preamp and fuzz. This DIY kit includes what you need to get started. 360+diyKitButton

Unleashed Champ (pdf)

Learn how to un-lock the potential of the world's most famous "small class-A guitar tube amplifier" FWboard-Button

IFMTA (PDF)

Vacuum Tube circuit theory using modern engineering analysis techniques ... Fender amp mods FWboard-Button

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Copyright © 2026 viva Analog | Handcrafted Guitar Pedals & DIY Projects | Powered by Responsive Theme
Copyright © 2026 viva Analog | Handcrafted Guitar Pedals & DIY Projects | Powered by Responsive Theme
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