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Media Summary: Just wanted to share some killer tones I've been enjoying on my A 1983 JCM800 2204 (4010) has come in for the full Now you don't need to hack up your stock Origin PCB, simply remove them for safe keeping and drop in these DIY boards.

The Lambchopper Mod Headfirst Marshall - Detailed Analysis & Overview

Just wanted to share some killer tones I've been enjoying on my A 1983 JCM800 2204 (4010) has come in for the full Now you don't need to hack up your stock Origin PCB, simply remove them for safe keeping and drop in these DIY boards. Can a handful of low cost parts improve a stock SV20H? Well, let's find out. Want more firepower from your Origin 20? Full details here, including stock circuit review, Can a handful of low cost parts turn the SV20H into a little high gain beast? High res pics and parts list here: ...

I made a shocking discovery working on a brand new 2023 year 2203X JCM800 reissue. This 1971 100W Super Lead had the most crazy The definitive guide to the original Jose 3 in 1 The best ever? Join Dave, Dan, Shea and Jason for a deep dive into the full history of this legendary circuit. From JMP to 800, ... Check out our products: Contact us: email: jason.com Follow Us: ...

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The Lambchopper Mod - Headfirst Marshall SV20 Tones
I Had My Marshall SV20 Modded! - Headfirst Amps
Marshall JCM800 2204 - Headfirst Mods. Full play-through and DIY Guide.
Marshall Origin DROP-IN replacement mod PCBs - JCM800 hot rod!!
Marshall JMP/JCM800 2203/2204 - Jake E. Lee Spec Mod Guide
Improve the Marshall SV20H with $5 of parts?  BENCH DEEP DIVE!!
Modding a Marshall DSL100H - TONES AND DIY GUIDE!!
Marshall Origin 20 - Headfirst mod.  Tones and modding guide.
High Gain mod a SV20H with $10 of parts!!
What Marshall is not telling you!  I can’t believe they did this!!
JTM45 Kit Build conversion to Dirty Shirley DS40 - DIY Guide
Marshall Origin 20 - Headfirst Mod, Instructions and BoM
View Detailed Profile
The Lambchopper Mod - Headfirst Marshall SV20 Tones

The Lambchopper Mod - Headfirst Marshall SV20 Tones

Just wanted to share some killer tones I've been enjoying on my

I Had My Marshall SV20 Modded! - Headfirst Amps

I Had My Marshall SV20 Modded! - Headfirst Amps

I had my

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Marshall JCM800 2204 - Headfirst Mods. Full play-through and DIY Guide.

Marshall JCM800 2204 - Headfirst Mods. Full play-through and DIY Guide.

A 1983 JCM800 2204 (4010) has come in for the full

Marshall Origin DROP-IN replacement mod PCBs - JCM800 hot rod!!

Marshall Origin DROP-IN replacement mod PCBs - JCM800 hot rod!!

Now you don't need to hack up your stock Origin PCB, simply remove them for safe keeping and drop in these DIY boards.

Marshall JMP/JCM800 2203/2204 - Jake E. Lee Spec Mod Guide

Marshall JMP/JCM800 2203/2204 - Jake E. Lee Spec Mod Guide

Mod

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Improve the Marshall SV20H with $5 of parts?  BENCH DEEP DIVE!!

Improve the Marshall SV20H with $5 of parts? BENCH DEEP DIVE!!

Can a handful of low cost parts improve a stock SV20H? Well, let's find out.

Modding a Marshall DSL100H - TONES AND DIY GUIDE!!

Modding a Marshall DSL100H - TONES AND DIY GUIDE!!

A 2014

Marshall Origin 20 - Headfirst mod.  Tones and modding guide.

Marshall Origin 20 - Headfirst mod. Tones and modding guide.

Want more firepower from your Origin 20? Full details here, including stock circuit review,

High Gain mod a SV20H with $10 of parts!!

High Gain mod a SV20H with $10 of parts!!

Can a handful of low cost parts turn the SV20H into a little high gain beast? High res pics and parts list here: ...

What Marshall is not telling you!  I can’t believe they did this!!

What Marshall is not telling you! I can’t believe they did this!!

I made a shocking discovery working on a brand new 2023 year 2203X JCM800 reissue.

JTM45 Kit Build conversion to Dirty Shirley DS40 - DIY Guide

JTM45 Kit Build conversion to Dirty Shirley DS40 - DIY Guide

https://headfirstamplification.com

Marshall Origin 20 - Headfirst Mod, Instructions and BoM

Marshall Origin 20 - Headfirst Mod, Instructions and BoM

Following on from the first

Marshall 1959HW - Stealth José Mod. TONES & DIY GUIDE!!

Marshall 1959HW - Stealth José Mod. TONES & DIY GUIDE!!

An amazing hand wired 100w

Marshall 1987x - STEALTH JOSÉ MOD!

Marshall 1987x - STEALTH JOSÉ MOD!

50w

The CRAZIEST Marshall mod you've ever seen!! Part II

The CRAZIEST Marshall mod you've ever seen!! Part II

This 1971 100W Super Lead had the most crazy

The Amp Panel #11 - the Jose mod

The Amp Panel #11 - the Jose mod

The definitive guide to the original Jose 3 in 1

The Amp Panel #15 - The Mighty 2203/04

The Amp Panel #15 - The Mighty 2203/04

The best ever? Join Dave, Dan, Shea and Jason for a deep dive into the full history of this legendary circuit. From JMP to 800, ...

Amp Chat Live #14 - Dan Tramble.  Building and Modding Classic Marshalls!!

Amp Chat Live #14 - Dan Tramble. Building and Modding Classic Marshalls!!

Thinking about building or

Modding the Marshall ST20H....how close to the SV20H is it?

Modding the Marshall ST20H....how close to the SV20H is it?

Check out our products: https://headfirstamps.com Contact us: email: jason@headfirstamps.com Follow Us: ...

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