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He expanded his line to guitars and amps. Fender amps were popular but expensive and Jim thought he could produce them at a better price. Jim copied the Fender Bassman. Initially using US amp parts he switched to UK components to save money.

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Marshall amps

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Dating a Marshall amplifier can be a daunting task for even the most savvy of suitors — Amp Archives is here to help. The earliest Marshall amplifiers were made in and had no model or serial numbers.

From until Marshall amplifiers were identified by a four-digit sequential number inside the back panel, reportedly starting with in and reaching at the beginning of More Examples. Beginning in Marshall abandoned the four-digit numbering system and began using model numbers, sometimes called series numbers and model codes. While there are serial-like numbers during this era, no standard serial number format has been identified.

The model numbers can be somewhat confusing because model numbers such as or can be mistakenly interpreted as the production year of the amplifier. Amplifiers from this era must be dated within this time span based on their features, or component manufacturers and codes, including speakers, potentiometers and transformers.

The model number takes the form of four-digits preceded or followed by letter codes describing amplifiers characteristics. The table below outlines the meaning of these letter codes. The full identifier of these amps was initially comprised of a model code, the serial production number and the date code. Letters were used as date codes to represent the year of production and this letter followed the serial production number.

Letters B, I, O and Q were not used to avoid confusing letters with numbers. Starting in the date code letter was moved from the end to the middle of the production code, between the model code and the production number. In October of Marshall began using stickers printed with serial numbers and bar codes. These were comprised of nine digits in the format of xx-xxxxx-xx though not always. These serial numbers can be decoded as follows:.

In August of Marshall switched to their current serial number format which contains more information and is easily decoded. These are printed on a sticker and affixed to the back of the amplifier and are comprised of a letter followed by ten numbers followed by another letter: A-xxxx-xx-xxxx-A.

Checking against other amps from the era as well as component markings speakers, potentiometers, transformers can help to confirm a year of production. You must be logged in to post a comment.

Skip to content. Marshall amplifier serial numbers made simple Posted on April 25, April 27, by Phil by Phil. JTM block logos changed to gold-plated plastic script, these are fragile and many have been replaced. Cabinet feet are small round and gray. Handles changed to plastic with larger end cap. Power tubes are KT66, 6L6 and Single W Drake transformer, rated at ohms, part number , for W models. Single 50W Drake output transformers rated at 3, ohms, part number , for 50W models.

GZ34 rectifier no longer used. Cabinets have corner-lock joints with a quality control signature inside. Gold Plexigas back panel, changed from cream-colored. Dagnall transformers used in the JTM, changed from Drake. Chassis construction transitions from aluminum to steel in late First Watt Majors appeared, with treble, bass and volume controls, active tone circuitry and KT88 tubes.

The watt Major was modified to match the normal panel layout and the active electronics where dropped. The output transformer turned 90 degrees in comparison to earlier models to reduce hum. Larger black cabinet feet starting in July , changed from small and gray. Welcome Dumble Amplifiers to the Amp Archives. Leave a Comment Cancel reply You must be logged in to post a comment.

JCM800 Combo - date of manufacture?

Production has continued there uninterrupted through today, though some lower-priced models are now made in China, India or Korea, depending on the series. Marshall Serial Numbers To find the serial number on your Marshall amp, start by looking at the back panel of your amp. Marshall amps had such precedent-setting wattage and tone that their history can hardly be separated from the history of rock itself. 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 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.

Dating a Marshall amplifier can be a daunting task for even the most savvy of suitors — Amp Archives is here to help. The earliest Marshall amplifiers were made in and had no model or serial numbers. From until Marshall amplifiers were identified by a four-digit sequential number inside the back panel, reportedly starting with in and reaching at the beginning of More Examples. Beginning in Marshall abandoned the four-digit numbering system and began using model numbers, sometimes called series numbers and model codes.

Dating marshall jcm 800

Log in or Sign up. Marshall Amp Forum. JCM Combo - date of manufacture? Joined: Jan 22, Messages: 4 Likes Received: 0. CycoKilla , Jan 22, Joined: Oct 13, Messages: 56 Likes Received: EVHpickdust , Jan 22,

Не я один его ищу. Американская разведка тоже идет по следу. Они, вполне естественно, хотят предотвратить распространение Цифровой крепости, поэтому послали на поиски ключа человека по имени Дэвид Беккер. - Откуда вам это известно. - Это не имеет отношения к делу.

Служащие и конкуренты называли Нуматаку акута саме - смертоносной акулой.

Он бродил по коридорам шифровалки, тушил бесконечные виртуальные пожары и проклинал слабоумие нерадивых невежд. Чатрукьян знал: как только Джабба узнает, что Стратмор обошел фильтры, разразится скандал. Какая разница? - подумал.  - Я должен выполнять свои обязанности.

ТРАНСТЕКСТ работает пятнадцать часов. Пусть пройдут все двадцать четыре часа - просто чтобы убедиться окончательно. Сьюзан это показалось разумным.

Это невозможно. Да мы только вошли. Но, увидев прислужника в конце ряда и два людских потока, движущихся по центральному проходу к алтарю, Беккер понял, что происходит. Причастие. Он застонал.

Я позвоню в телефонную компанию. Я уверена, что они смогут сказать. Нуматака тоже был уверен, что компания это сделает. В эпоху цифровой связи понятие неприкосновенности частной жизни ушло в прошлое.

Записывается .

Marshal Date Codes. Early Marshall through the JCM series Some Marshalls made from to have the serial number on the front.

Это н-не… - заикаясь, произнесла она вслух, - невероятно. И, словно возражая ей, в ее мозгу эхом прозвучали слова Хейла, сказанные чуть раньше: Танкадо не раз мне писал… Стратмор сильно рисковал, взяв меня в АНБ… Рано или поздно я отсюда слиняю. Но Сьюзан физически не могла примириться с тем, что увидела.

Да, Грег Хейл противный и наглый, но он же не предатель.

Там тоже были группы из четырех знаков. - Потрясающе, - страдальчески сказал директор.  - У вас, часом, нет такой же под рукой. - Не в этом дело! - воскликнула Сьюзан, внезапно оживившись.

Голос показался ему отдаленно знакомым. Он попытался определить акцент - может быть, Бургос. - Вы набрали правильно, - сказал он осторожно, - но это служба сопровождения. Звонивший некоторое время молчал.

Халохот сделал стремительный прыжок. Вот .

Он получил кольцо. До смерти напуганный, Двухцветный замотал головой: - Нет. - Viste el anillo. Ты видел кольцо.

Сьюзан пробежала все их глазами. PFEE SESN RETM - Альфа-группы из четырех знаков, - задумчиво проговорила Сьюзан.  - И частью программы они явно не являются. - Да бросьте вы это, - проворчал Джабба.  - Хватаетесь за соломинку. - Может быть, и нет, - сказала Сьюзан.

В пьяной драке Хейл случайно убил сослуживца. Корейское искусство самозащиты, тхеквондо, оказалось в большей мере смертоносным, нежели оборонительным. Военной службе пришел конец. Отсидев некоторое время в тюрьме, Хейл занялся поисками места программиста в частных компаниях.

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