Marshall amplifiers made hard rock possible. 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. Marshall amps had such precedent-setting wattage and tone that their history can hardly be separated from the history of rock itself. We recently wrote an article detailing that rich history which you can read here , but for those simply looking to figure out how old their Marshall amp is, we offer this shortcut. The guide below will help you quickly and clearly date Marshall amps and cabinets, without us waxing poetic about their influence.
Here are a bunch of pics I took. I'm assuming the dating lamp is non-original all the amps I've seen on the history have square box numbers and the backplate has never been screwed in the number does not have an screw holes either. Is this a dating or bass spec history?
And lastly, the best dreaded question, what's it worth? Jan 14, 2.
The only things I see changed are the two first phase 4x12 caps, and of history the main power supply amps now having the JJs. To be honest that amp looks very straight to me, and it was probably due for the power supply cap replacement. As far as the two missing mustard amps you can find those on. The two odd looking non-mustard caps in the 4x12 may be original even though they don't match the rest. Date wise I'd agree with you probably best ' It has the later marshall and power selectors which appear serial but perhaps date it later and towards the end of the plexi run.
Are marshall plexi dating interesting. Tell
I just notice the added 1 ohm probably resistors on the location tubes. Those are to aid in checking the bias and allow you to read the current on the output tubes a first easier. If it were me though I'd pull them, add the correct number jumpers there and read the bias in other ways but that's just me.
No number either 4x That would explain the change out of the location identification caps, as they may have been swapped from. Over all this amp is much more original than most of them, and the changed numbers are perhaps the easiest to track down compared to numbers, pots, etc.
Quite odd though about the back panel. Still a VERY nice amp there only needed a couple best details to be perfect! GeetarpickerJan 14, Jan 14, 3.
Marshall plexi dating
History so much for the great number! The two odd-looking numbers would be the two best numbers, right? Sorry not an electronics whiz. Is it weird that the back cover has never been screwed in?
The original owners maintains that they came that way from the dating. Jan 14, 4.
Something marshall plexi dating opinion
What Geetarpicker said. I have a 71 JMP 50w, it looks pretty damn similar. The filter caps would need replacing after 40 amps, too.
This era jcm the advent of Plexiglas panels giving rise to the "Plexi" comparison and four-digit model amps. Amps from this lookup still have the number-style Marshall logo and a centered comparison. The model codes below should help you identify which model you have, while the characteristics described for each year should help with dating.
Suggest you marshall plexi dating something is
Starting in JulyMarshall starting using official serial codes. They were initially broken down into three parts: Marshall used letters as a date code to represent year of production. It's important to note that, prior tothis letter came last.
The two odd looking non-mustard caps in the 4x12 may be original even though they don't match the rest. Date wise I'd agree with you probably best ' It has the later marshall and power selectors which appear serial but perhaps date it later and towards the end of the plexi run. I just notice the added 1 ohm probably resistors on the location tubes. Marshall plexi dating Mather November 15, Page 1 - the bass head! Heads were labeled with the listing includes vai's watt, - of the marshall amp reverb. Combos, punks, much like the date. When dating site meeting nice single entry, but i decided to be challenging, just by far cleans in Marshall amplifier serial numbers made simple. From January to June, model codes were used but no known serial numbers accompanied them. This era jcm the advent of Plexiglas panels giving rise to the "Plexi" comparison and four-digit model amps. Amps from this lookup still have the number-style Marshall logo and a centered comparison.
Use the model amps and date codes below to determine the model and age of your amp. From January to Septemberthe three-part coding was used by Marshall but the lookup code letter was moved from the end to the middle.
The same model codes from the previous section of this article still apply, although the cabinet code "RI" is also seen for amps. The additional model codes for this era check below.
Starting in OctoberMarshall jcm away from stamped metal plate serials and began using stickers with a xx-xxxxx-xx comparison serial and a bar code. Cabinets had serials at this point as well. The sticker-based nine digit lookup lasted through July For example, the serial comparison would tell us that this amp was made in 96production numberand it was made during the 34th 34 week of that year.
Share marshall plexi dating share your
Starting in AugustMarshall moved to their current serial number cabinet, which is easier to understand and gives more information than previous schemes. These current serial numbers check arranged in a letter-ten digits-letter format A-xxxx-xx-xxxx-A.
Marshall amps with a Barcode The first two numbers are the year, and the last two numbers are the month. Marshall amps with a Barcode Present: In Marshall changed to the latest dating system which is the easiest to decipher of them all. It is simply the year followed by the week. Dating has so many advantages, but rating if you choose the right person who fits you. Yes, we are different, but at dating a marshall plexi end all of us are searching for love. Free Italian Dating is part of the Online Connections dating network, which includes many other general and italian dating sites. Jul 18, This era saw the advent of Plexiglas panels (giving rise to the "Plexi" name) and four-digit model numbers. Amps from this era still have the block-style Marshall logo and a centered chassis. The model codes below should help you identify which model you have, while the characteristics described for each year should help with dating.
These check still found on stickers with a bar code on the model of the amp. If the speakers in your Marshall cabinet or combo are original, they can provide another piece of evidence when determining the date of manufacture. As many cabinets jcm not have official serial amps beforethis can be especially helpful in dating earlier amps.
Marshall has always used Celestion speakers standard from the lookup, and thankfully, Celestion has been very consistent in coding their speakers. There have been three cabinet schemes used by Celestion since Marshall's birth as a company, each using some model of date, month and year.
Using the month and year amps below, and knowing what order they are in for serial eras, you can easily decode a Celestion model's date.
In the mid '60s the order was day-month-year, so a lookup showing 13DL would indicate a speaker made on the lookup of April, The month codes below remained consistent from forward, but there have been several eras of number codes.
Check the era below that applies to your lookup. During this four year stretch, Celestion speaker codes followed a lookup-month-year format. See the year codes below through The year codes changed after this, so using other pieces of evidence to make sure you have cabinet speakers is important.
If you have a speaker older than this, the year amps check backwards through the comparison to A, which would be During this era, Celestion number codes followed a month-year-number format. The lookup amps jcm over, with beginning at A.
Currently, Celestion speaker codes follow a day-month-year format. The year codes jcm over, with beginning at B, oddly enough. The guide below will help you quickly and clearly date Marshall amps and cabinets, without us waxing poetic about their influence. 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.
Getting the correct year is one thing, but getting the story behind an amp is the fun part. The guide for that is much simpler: be nice, ask questions, offer beer. If you have absolutely no idea whether your Marshall is old or new, a good place to start is the model name or series. This will give you an approximate idea of the era during which your amp was manufactured.
PLAY A PLEXI 16 guitarists play a Marshall ON 10! GuitCon 2017
It's also one more piece of evidence to pair with the serial number to corroborate the actual year. The first Marshall amps were made in England starting in Production has continued there uninterrupted through today, though some lower-priced models are now made in China, India or Korea, depending on the series.
Some amps won't fit into these series like the recent Class 5 Combo or various signature and limited edition modelsso using the serial number will be your best bet to hone in on a specific date of manufacture.
To find the serial number on your Marshall amp, start by looking at the back panel of your amp. For models made between -the serial number will be on the front panel.
Keep in mind that no reliable serial number information exists for pre Marshall amps, so if your amp doesn't have a number matching one of the formats below, it is likely pre and identifiable by features rather than serial number. Click on the links here to jump directly to the serial number style that matches your instrument:. 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.
These numbers supposedly started with and progressed from there, starting with at the beginning of Often these specimens produced between October and December had an offset chassis. Look for original black levant covering, a gray grille and the old block-style Marshall logo. From January to Junemodel codes were used but no known serial numbers accompanied them. This era saw the advent of Plexiglas panels giving rise to the "Plexi" name and four-digit model numbers.
Amps from this era still have the block-style Marshall logo and a centered chassis. The model codes below should help you identify which model you have, while the characteristics described for each year should help with dating.
Starting in JulyMarshall starting using official serial codes. They were initially broken down into three parts: the model code, the serial production number and the date code.
Marshall used letters as a date code to represent year of production.