Superior Music - Marshall Amp Serial Numbers and Dates
Amps from this era still have the block-style Marshall logo and a centered chassis. While Fender and Vox amps have their place in moving electrified guitar forward, the creations of Jim Marshall fostered an entirely new sound and allowed guitarists to fill stadiums with it. By varying the pre-amp volume, and master volume controls the sound can be varied from a clean crisp sound to a rich overdrive sound at a controllable volume.
During this four year stretch, Celestion speaker codes followed a day-month-year format. If the speakers in your Marshall cabinet or combo are original, they can provide another piece of evidence when determining the date of manufacture. During this era, Celestion speaker codes followed a month-year-day format.
To find the serial number on your Marshall amp, start by looking at the back panel of your amp. Currently, Celestion speaker codes follow a day-month-year format. These current serial numbers are arranged in a letter-ten digits-letter format A-xxxx-xx-xxxx-A. The year codes changed after this, so using other pieces of evidence to make sure you have pre speakers is important. If you have absolutely no idea whether your Marshall is old or new, a good place to start is the model name or series.
The best approach is to cross-reference the serial number with known features for the model during different eras and the personal account of previous owners. Please check the fields highlighted in red. Each channel has its own volume control and is mixed into the tone network of treble, middle, bass and presence controls. This is probably the biggest area of confusion when dating Marshall amps. This is an exceedingly versatile amp, and perfect for the discerning guitarist.
The letter B was skipped, as were the letters I, O and Q since they might be confused for numbers. The guide below will help you quickly and clearly date Marshall amps and cabinets, without us waxing poetic about their influence. All electronic components are selected and tested to out perform their required functions, and the electrical hardware, such as switches, selectors, etc. Unique sound, slightly edgy distortion when pushed hard. As a result, dating cabs can be more art than science.
The model codes below should help you identify which model you have, while the characteristics described for each year should help with dating. The newest models are incredibly easy to date read on, if you aren't already aware of the current serial numbering system but dating older amps pre are slightly more involved. The serial number is one part of the puzzle when dating an amp, but cross-checking the originality of the different parts, including tubes, wiring, transformers, knobs, etc. Thus, despite the success of recently developed equipment, the original Marshall amplifiers are still available and are as popular as ever.
This is the panel of the classic Marshall amps, so much favoured and featured by some of the world's greatest guitarists and bands. To determine the year of manufacture, a letter of the alphabet was included in the serial number. Check the era below that applies to your speaker. These are still found on stickers with a bar code on the back of the amp. Industrial grade cadmium passivating ensures many years of rust-free operation.
Marshall jcm dating - Maxtrack
Below are descriptions and diagrams of these amplifiers. Marshall amps had such precedent-setting wattage and tone that their history can hardly be separated from the history of rock itself. If you're about to put down a hefty sum on a vintage Marshall, we strongly encourage you to consult multiple sources to determine the exact age and originality of the amp.
Dating a Marshall JCM
The year codes started over, with beginning at A. Both channels mix into the usual Marshall tone circuitry of treble, middle, bass and presence control. The amps were developed out of the original Marshall circuitry to enable the musician to reproduce the classic Marshall overdrive sound at any volume level.
This will give you an approximate idea of the era during which your amp was manufactured. Production has continued there uninterrupted through today, though some lower-priced models are now made in China, India or Korea, depending on the series. Using the month and year codes below, and knowing what order they are in for different eras, what is the you can easily decode a Celestion speaker's age.
- Once assembled and wired, using both hand and machine techniques, each chassis is fully tested by the team of electronic engineers.
- Variable mains and output selectors enable both amps to be used around the world, with virtually any speaker system.
- Cabinets had serials at this point as well.
- The earliest Marshall amp models did not have model codes or any official serialization, though some models had a simple sequential four-digit numbering system inside the back panel.
Dating a Marshall cab
Marshall Amps By Series
How To Date A Marshall Amp
As with the standard amps, the master volume series have twin inputs, one having greatly increased gain. Oops, looks like you forgot something. Marshall used letters as a date code to represent year of production. The additional date codes for this era are below. Look for original black levant covering, online a gray grille and the old block-style Marshall logo.
The most reliable of all in this family. The month codes below remained consistent from forward, dating members online but there have been several eras of year codes. It's also one more piece of evidence to pair with the serial number to corroborate the actual year.
Getting the correct year is one thing, but getting the story behind an amp is the fun part. As a rule, the serial number is usually located on the back panel of the chassis but some amplifiers made between - had them on the front panel. Now, at this point you're probably wondering where exactly this letter can be found within the serial number. For the past two decades, sydney one name has been synonymous with the best in rock amplification.
Use the model codes and date codes below to determine the model and age of your amp.
- Also on the output stage, is a frequency compensated D.
- After testing and adjusting, each chassis is assembled into cabinets that are manufactured to an equal standard as the chassis.
- Often these specimens produced between October and December had an offset chassis.
- Marshall amplifiers made hard rock possible.
- To complete the electrical specification all valves are selected from the finest grades available.
The year codes started over, with beginning at B, oddly enough. There have been three coding schemes used by Celestion since Marshall's birth as a company, each using some combination of day, month and year. All Marshall amps originally came with Celestion speakers, so in cases where the speakers are original, speaker date codes can be used to date earlier amps. Marshall has always used Celestion speakers standard from the factory, and thankfully, Celestion has been very consistent in coding their speakers. That's a very good question so here's the answer.