10:45
Marshall Origin DROP-IN replacement mod PCBs - JCM800 hot rod!!
10:43
Airbourne Collection - Part 2 - 1982 Marshall 2203 JCM800 #airbourne
11:03
Airbourne Collection - Part 1 - 1974 Marshall Super Lead #airbourne
02:03
Shea plays the Evil Joe #monomythamps
12:53
USA May 2024 Vlog #monomythamps #ksramps #headfirstamps #slipknot
02:57
Headfirst Evil Joe - the Evil Joe Barresi amplifier. NEW RELEASE!!
12:53
The CRAZIEST Marshall mod you've ever seen!! Part II
17:03
The CRAZIEST Marshall mod you've ever seen!!
17:45
Shea & Jason high gain mod Marc Huzansky's Marshall SV20H @Monomythamplification @tone-talk #VHMod
20:35
Leon Todd’s 100w Marshall 2959!!
01:25
Marshall SV20H OG José with added Clean channel!!
17:32
Improve your Marshall Vintage Modern!!
22:09
100W Super Lead with Reverb??!! The Marshall 2959
02:17
Vortex 4 Stage Mod
00:50
Club Secret Twenty3. iPhone, Kramer 1984 and Greenbacks.
09:10
Plexi Mod the Origin 50. 50W vs. 20W differences!!
09:52
Do the Marshall Vietnamese transformers sound any good?? MAV vs Mercury TONE TEST!!
15:39
Hot Rod your Marshall 1959HW - OG José HOW TO!!
07:13
Recreating Malcolm Young's 1971 Marshall Super Bass - PART 2
05:47
Recreating Malcolm Young's 1971 Marshall Super Bass - PART 1
03:04
Headfirst 2203 Stealth Mod
33:15
Turn your Marshall Origin into a Proper Plexi - REVISITED!!
11:02
NOS Mustards for this ‘78 JMP | A great amp made even better? Part 2
14:22
NOS Mustards for this ‘78 JMP | A great amp made even better? Part 1
13:48
JTM50 to 2204 style conversion - HOW TO with IMPROVEMENTS!!
06:36
Suhr SL67 - The best 'Plexi' available in 2023
06:40
What Marshall is not telling you! I can’t believe they did this!!
02:05
Marshall SV20H with OG José mod
09:45
What's wrong with this 1979 JMP?....PART 2
10:30
What's wrong with this 1979 JMP? PART 1
13:25
1974 50w JMP 1987 - so cool, it's cold!!
09:04
A José Mod - MADE BETTER Part 2
10:57
A José Mod - MADE BETTER! Part 1
02:52
John Sykes tone!! ISOLATED GUITARS!! | Alta100 & Simon Hosford
05:29
Jim Root’s Custom Alta50!! #jimroot #slipknot
02:51
Alta100 John Sykes tone!! Featuring Simon Hosford!!
26:47
Troy’s ‘77 JMP - Part 2
11:10
Troy's '77 JMP - Part 1
24:33
Improve the Marshall Studio SC20H with $10 parts - DIY DEEP DIVE!!
22:32
1974 JMP Super Bass - 1959SLP restoration
24:24
Cameron modded JMP - WORTH THE HYPE?
13:53
Twelve Tones, One Amp!!
02:24
Headfirst - Custom 2204 build
15:22
The worst sounding JCM800 ever??
10:05
Tone King Falcon - Hum & Buzz...FIXED!!
06:58
Gearfest 2023 - Alta100 Highlights
19:21
Bad Cat Hot Cat 100 - Fx Loop install. Overview and TONES!!
19:21
1979 Marshall JMP 2203 - the 'Bright Cap' revisited!!
02:49
Orange Rocker 30 - Headfirst mod!!
22:50
1975 Marshall JMP 1959SLP - RESTORATION & TONES!!
12:53
Building Alta100s - Indiana Style!!!
25:36
Jason & Shea rescue a modded '79 Marshall JMP 2204 - SLO mod!!
26:30
1967 Marshall JMP/JTM45 - RESTORATION PART II
33:03
1967 Marshall JMP / JTM45 - RESTORATION PART 1
44:56
High Gain mod a SV20H with $10 of parts!!
04:19
Marshall Origin 50 - FX LOOP HACK!!
23:39
Improve the Marshall SV20H with $5 of parts? BENCH DEEP DIVE!!
11:22
Reactive Load Shootout - UA OX, Suhr RL, Fryette PS2, BOSS TAE
16:16
'Evil Joe' custom Cali for Joe Barresi. Producer, Engineer for TOOL, Slipknot, AIC...and many more
18:18
Alta100 - Video User Guide