Thanks Steve, i will give a look to the Doyle's book.

-- Sun Jun 06, 2010 2:33 pm --

So i found it (2003 schematic) but the echo input is missing on the schematic.
Mine has 4 x 12AX7.

I know this site and this schematic is missing.

Hi,
i've just bought an old Master PA 100w 4 inputs/4 channels and i'm looking for the schematic.
As far as i can look on internet i can't find this one, could Marshall help me?

bmi.

Play only with 2 tubes. Marshall says that you can play with only one output connected, i prefer so to remove the 2 tubes for the output not used. I have found the issue, or i think so, it comes apparently from a loosy connection on the speaker.(it's not the JTM45 cab) I'm a dummy boy, i have lost 2...

Hi, i've just got an issue today using my JTM45/100 with a Marshall SE100. This is not the first time i use it with a Marshall SE100 and i've never got an issue for the moment. I am using the SE100 in the same configuration with my plexi with no issue for a long time. So i was just playing the JTM w...

I'm not into this kind of amps just because i have enough money to buy the real deal but i have to admit that if i was a young boy or even if i would like to go on stage and save my plexis i will be for sure happy to get this new Marshall. After having a look to many videos on Youtube i'm more and m...

When whatever guitar you plug...it sounds great. IMO ;o)

The user guide says that you have to use the 8 ohm output of your amp to plug it into the Marshall SE100 but there is nothing about the output to speakers when you use it as an attenuator. So can i use 4, 8 or 16 ohms cabs? -- Sat Jan 30, 2010 9:37 am -- I have finally bought one and it seems that y...

That looks like a 'Bulgin' style mains input which is defo not allowed these days by the test houses.!! The transformer also looks to be like the old 'Drake' construction which is also... :no HT dropper resistors should be flame proof. Etc.Etc.....Etc. The test houses these days perform all kinds o...