Marshall Mods
We offer modifications fo the following Marshall Models:
- Gets rid of scratchy highs and harshness. Creates very warm, smooth, liquid, musical overdrive with lots of punch and penetration.
- Channel 1 becomes very punchy with chimey highs. Crank the Gain knob for Class A type break up up to classic JCM800 growl. Perfect for Blues, Jazz, Country, Classic Rock
- Channel 2 gets much more gain and bottom end, more cut through, pushes more air. Great for Classic Rock up to modern Metal.
CLICK HERE FOR DETAILS + SOUNDCLIPS
6 months warranty on labor performed and parts installed !
JCM 800, JMP, JTM-45, Plexi, Superlead:
- Add Master Volume + overdrive stage
- Add no-loss and dead quiet effect loop with true bypass
- Add high gain stage w. dual stage master to pre 1980 2 ch amps + preserving original tone
- Add or upgrade existing master to dual stage master for fuller tone and more overdrive
- Turn "normal channel" into higher gain Marshall tone w. punch and warmth. Improves EQ.
- Push/pull gain + low end booster
- Midrange boost to increase warmth and sustain. Changes exisiting pot to push/pull pot.
- Adjustable midrange boost from subtle to high sustain fat tone
- Pure vintage tone mod to reproduce old vintage amps whose components "drifted off"
- Add tube recitfier
- Add Bias Trimmer
- Add Line Out
- Triode / Pentode 1/2 power switch
- Brightness Mod to get rid of muddy tone at low volumes
- Preamp capacitors higher quality upgrade to make amp sound richer and more vintage
- Complete Amp Overhauls of stock amplifier circuit for more punch and lower noise
- Noise silencing mod for humming amps without affecting amp's tone.
- Power amp protection against spikes + AC surges to dramatically increase tube life.
George Lynch's 1968 Plexi, the "Holy Grail" 
