Inside a Marshall Master Lead 30

[atf]

I opened one up for some routine cleaning and this is what the circuit looks like, some of you pros can chime in on its simplicity or complexity. Just for fun really.








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[ehdwuld]

Re: Inside a Marshall Master Lead 30

that's what the one I had looked like

I didn't like it

it didn't work

 

[DankStar]

Re: Inside a Marshall Master Lead 30

not much to it, huh. what's with the little spiny thingies - heat sinks?

 

[atf]

Re: Inside a Marshall Master Lead 30

not much to it, huh. what's with the little spiny thingies - heat sinks?

That's what I want to know as well.

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[beaubrummels]

Re: Inside a Marshall Master Lead 30

View attachment 66896

what's with the little spiny thingies - heat sinks?

Those are the chairs where the black angels of death metal chugga chugga and symphothetic ringing sit around your amp table forming plans for distortion and mayhem.

 

[atf]

Re: Inside a Marshall Master Lead 30

that's what the one I had looked like

I didn't like it

it didn't work

Is it possible to tube this thing?

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[Boogie Bill]

Re: Inside a Marshall Master Lead 30

not much to it, huh. what's with the little spiny thingies - heat sinks?

Yep.

Bill

 

[SJ318]

Re: Inside a Marshall Master Lead 30

Howdy,
I have found that any really decent but fairly simple pedalboard, a decent guitar, and a good grasp of what you want to hear, along with a journeyman's chops, you can make almost any rig work for me.
Specifically, I use a pedal to get a little grit-on all the time, with a boost/gain pedal for a bigger better sound for solos. Also I like a TC or some other pedal for a taste of reverb. A little ambience is always a must for me. YMMV.
The only set back is a 10 watt amp onstage with a 100 watt drummer!
SJB

 

[Empty Pockets]

Re: Inside a Marshall Master Lead 30

Is it possible to tube this thing?

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"Tube" is not a verb. That's like showing someone a picture of a go-kart and asking, "Is it possible to car this thing?"

 

[idsnowdog]

Re: Inside a Marshall Master Lead 30

Is it possible to tube this thing?

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NO

 

[ehdwuld]

Re: Inside a Marshall Master Lead 30

Is it possible to tube this thing?

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not without gutting and replacing most of the components

you could get a tube kit from Mojotone
and replace the pan and all

 

[GoldenVulture]

Re: Inside a Marshall Master Lead 30

Is it possible to tube this thing?

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Not practical, essentially: No!

 

[Rich_S]

Re: Inside a Marshall Master Lead 30

A guy on TDPRI recently gutted a Lead 30 and built a 20-watt SLO clone in the chassis.

 

[JeffB]

Re: Inside a Marshall Master Lead 30

Those old 80s SS Marshalls sound great.

The issue is usually the junk speakers. Run one through a proper cab/speaker and they do a 180.

 

[atf]

Re: Inside a Marshall Master Lead 30

"Tube" is not a verb. That's like showing someone a picture of a go-kart and asking, "Is it possible to car this thing?"

Lol.

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[atf]

Re: Inside a Marshall Master Lead 30

A guy on TDPRI recently gutted a Lead 30 and built a 20-watt SLO clone in the chassis.

I can imagine that, cause right now with its current speaker and gain cranked it has a jet city 20 watt combo kinda tone.

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[misterwhizzy]

Re: Inside a Marshall Master Lead 30

not much to it, huh. what's with the little spiny thingies - heat sinks?

Those are power transistors, and they get SUPER hot.