He is the greatest Sweetwater sales engineer, hands down. This was the head version of the combo. The overdrive channel can get as crunchy as you want, plenty of room to work with. Guitarists everywhere spoke up and Marshall have brought back the classic series with a few new finishes. How to read the serial number 1969-1983 Marshall used a coding system that provided a model, b serial number, and c manufacture date. These 1960 style reissue cabinets were fitted with four Celestion G12T-75 speakers. .
It's not if, it's when. I assume you checked the tubes for shorts as well as emission since a heater to cathode short could cause this as well. I pulled the Chassis out to have a look and there was one in there. The only complaint I have is the very weak reverb but it's nothing that a reverb pedal can't take care of. These amps didn't sound quite as good as the original 18W amps though. Photograph courtesy of Neil Preston.
Power amp schematic, Issue 3 Marshall, 1988. See Jacques page for some nice pictures. It was the first 100W cabinet being fitted with four Celestion G12M25 speakers. You'll get many recommendations for manufacturers. Look at the numbers on the second line.
Even then, I just couldn't get the sound I was after. I've had one of those, and actually had a few rock gigs in larger venues where it didn't cut it with the master dimed. Unfortunately there are a few years where the build quality is less than perfect. Later models were fitted with a Celestion G12M-70 T3577 16Ω speaker. Open the back and see what tubes are lit. So far I just keep it at 40.
Shortly later 100W output transformers were used. I play alot of rock, hard rock type music and its perfect for those. This, in turn, also had a strong influence on the band's contemporaries at the time, with , and following suit. The extension cabinet matches nicely with this amp. Unsourced material may be challenged and removed. It was meant for use with a 2412 cabinet.
It was fitted with an Celestion Sidewinder S12-150 8Ω 150W speaker. There's plenty builders around, get one of those, get on with life. Marshall Live is a brand new one-day festival celebrating the headiners of tomorrow at the Marshall Arena, Milton Keynes. B schematic, Issue 3 Marshall, 1988. In fact, for the first week I had it, I don't think I left the classic gain channel, it was just so good. I've seen these amps fitted with 2 Celestion G12T-75 speakers.
Now the Reverb is very minimal and quickly purchased a Spring Reverb pedal for it. The five digits in between are the serial number. It was a split channel master volume amp. You can get all the tones you need with no mods. For instance, often the Parks had silver or black front panels instead of the Marshall's gold ones, some of the enclosures were taller or shaped differently, and controls were laid out and labelled differently.
The speaker choice really makes this box sing. It was originally fitted with a Celestion G12-65 15Ω speaker. The guide below will help you quickly and clearly date Marshall amps and cabinets, without us waxing poetic about their influence. For example: 1999-22-1349: Year of manufacture is 1999 in the 22 nd week. The 30th Anniversaries To celebrate 30 years of Marshall amps the 30th Anniversary amps were introduced in 1992 and discontinued in 1998.