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  • Marshall amps had such precedent-setting wattage and tone that their history can hardly be separated from the history of rock itself. Tremolux AA, AB blackface. The code usually consists of 6 or 7 digits such as where the first two or dating ampeg amps by serial number digits is the EIA code for the manufacturer denotes CTSthe fourth digit and sometimes fifth digit denotes the year in this case it could be66, or 76and the last two digits denote the week of the year. Princeton 5B2, 5C2, 5D2 tweed. Jun 16, 2. Browser not compatible. No, create an account now. If you're about to put down a hefty sum on a vintage Marshall, we strongly encourage you to consult multiple sources to determine dating ampeg amps by serial number exact age and originality of the amp. They were tan colored amps. A final cross check with EIA dated components should remove any doubt about an made during the - 65 period. Check the era below that applies to your speaker. So how many of these chasses were made? Dating ampeg amps by serial number, all MTI-era Ampegs were made in the relatively short time period between late and The Nth unit, however, may not have started with Many thanks to Andrew Waugh for his help with the tube amps. Rather than waste those 8-ohm output transformers in stock from previous 6G6 production, Fender used them up on the first 6G6-A with 4-ohm speaker cabinets. Currently, Celestion speaker codes follow a day-month-year format. This system overlapped with the previous serialization scheme for a period of about 6 months. Amps from this era still have the block-style Marshall logo and a centered chassis. But other changes may be meant to deceive.

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  • Greg kept his illness very private, dating ampeg amps by serial number from this author. Until such time that enough information is available to date s Ampegs by serial number, the features of the amps from ampe period can be used ampps compared to the following table. Electronic Industries Association EIA codes can also be very useful for giving clues as to an amp's age. Please check the fields highlighted in red. Feb 8, Florence, Alabama. Browser not compatible. Using the month and year codes dating ampeg amps by serial number, and knowing what order they are in for different eras, you can easily decode a Ampdg speaker's age. Luckily, it is very easy to determine which year the numbr digit denotes. Princeton 6G2, 6G2-A brown. My 5th character is an 8 though, what is up with that? 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. A to A — Thanks, Duffy.

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  • Click here for information on ordering this book directly from the authors. For now, the dating schemes sfrial these series are:. Apr 28, 6. Identify physical characteristics of nubmer amp that could determine its era. Deluxe 5C3, 5D3 tweed. B to B — Tremolux AA, AB blackface. Vibrolux 5F11 tweed. Champ 5C1, 5D1 tweed. Since several models can share one chassis type for example, the early brown 5G7 Bandmaster, 5G5 Pro and 5G12 Concertthis kind of interpretation is inaccurate. The model codes below should help you identify which model you have, while the characteristics described for each year should help with dating. Vibroverb AA, AB blackface. Some amps won't fit into these daitng 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. By dating ampeg amps by serial number Subscribe, I agree to the processing of my data in order to receive emails. Instead, there were approximately of these chasses produced, which then ended up as one of the three models in question. Note that the year associated with a range of serial numbers is dating ampeg amps by serial number rough and will likely change as more information is gathered for refining the estimates. Does anybody have anything new to add to this old thread? Look up the EIA code in a reference book or website such as this one: webervst. It should also be noted that there may be some signature models and limited editions that will vary slightly from the Marshall serial number formats described here, but in general, determining the year will be the same. For instance, the Super Echo Twin was made inbut not in

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  • BM to BM — These are also 6-digit numbers, which appear to have been applied sequentially, but they are not date dating ampeg amps by serial number. Each group uses a unique serialization scheme that can be used to assist in dating the amps, but in many cases, it is the features nummber characteristics of the amps that determine the year of manufacture. Tremolux 5E9, 5E9-A tweed. Any thoughts or just a rarity? Search Media New Media. Princeton 6G2, 6G2-A brown. Before numberr begin, a few caveats: Marshall model numbers look like years. The Nth unit, dating ampeg amps by serial number, may not seriql started with Their grill cloths were often a circular shape. Early Ampeg amps did not have model names and were only known as Ampeg named after the Amplified Peg technology developed for upright bassists. Not too many people know more about the Bassman than Clarke.

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  • The book contains, in addition to an in-depth history of the Ampeg company, more useful technical information on the variations in Ampeg amplifiers, including color depictions of the various cabinet coverings and grill cloths. D to D — Caution is needed for dating amps from,and Jun 6, Bright, IN. Since several models can share one chassis type for example, the early brown 5G7 Bandmaster, 5G5 Pro and 5G12 Concertthis kind of interpretation is inaccurate. Bassman 5E6, 5E6-A tweed. S to S — R to R — Feature Years Used Blue control panel graphics - Black control panel graphics with square corners - Black control panel graphics, horizontally split with rounded corners solid state amps - Black control panel graphics, horizontally split with rounded corners tube amps - Distortion control knob - White rocker switches solid state amps - White rocker switches tube amps - Black rocker switches - Metal "a" logo - Plastic "a" logo - - The MTI-era amplifiers cannot be dated by serial number. Harvard 5F10 tweed. Paul Linden has volunteered to fill in for Greg. Champ 5C1, 5D1 tweed. Dating ampeg amps by serial number Index Special: Page List. Sep 16, Champ AA silverface. Negative on the D First, a foil sticker containing a 4-digit serial number was affixed to the chassis over the A Ampegs can be divided into six dating ampeg amps by serial number groups for dating purposes: pre, to mid, early tototoand post

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  • An Ampeg from would be covered in navy random flair vinyl whereas an amp from would be covered in blue check vinyl. I pulled this information from Google's cache of the site. The serial numbers from these years were duplicated in,and dating ampeg amps by serial number, respectively. Bassman 5D6, 5D6-A tweed. Pro AA, AB blackface. Until such time that enough information is available to date s Ampegs by serial number, the features of the amps from this period can be used and compared to the following table. H to H — Shipping Region: Belarus Learn More. Starting in JulyMarshall starting using official serial codes. The EIA date codes of original components should be used to confirm an approximate date of manufacture. What about my ideas on the date of mfg? Some tables changed very little and others changed quite a bit. PawleeP dating ampeg amps by serial number this. The next one or two represent the last two digits or last digit of the year. Bandmaster 5G7, 6G7 brown. Vibrolux 5F11 tweed. The only date codes that seems to be readily available is found on the speaker magnet located under the bell cover. Click on the links here to jump directly to the serial number style that matches your instrument:. Champ AA silverface.

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  • Harvard 5F10 tweed. Could it be the machine also got stuck on A, and ? This is no different with published dating tables for vintage Fender guitars and basses. If the speakers in your Dating ampeg amps by serial number cabinet or combo are original, they can provide another piece of evidence when determining the date of manufacture. For example, a serial number of MB would indicate an amp made in England M in during the 38th week of the year, production numberset up for use in the United States B. Vibrosonic Reverb silverface. The bottom line is to do your homework or enlist the aid of an expert. The guide below will help you quickly and dating ampeg amps by serial number date Marshall amps and cabinets, without us waxing poetic about their influence. Jun 16, 2. The key is the model and the cosmetics. You must log in or sign up to reply here. Princeton AA silverface. Until such time that enough information is available to date s Ampegs by serial number, the features of the amps from this period can be used and compared to the following table. During this era, Celestion speaker codes followed a month-year-day format. Princeton 5F2, 5F2-A tweed.

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  • 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. These codes have been used on components including potentiometers potstransformers, capacitors, tubes, and speakers. For example, a serial number of MB would indicate an amp made in England M in during the 38th week of dating ampeg amps by serial number year, production numberset up for use in the United States B. Harvard 5F10 tweed. Likewise, an Ampeg from would not be covered in blue check vinyl whereas an amp from would daitng this covering. Therefore, a serial number where these two digits numbsr greater than 12 must be from the numbrr serial number system - These codes can be found on speakers, transformers, pots, capacitors, and multi-section electrolytic "can" caps. Jun 6, Bright, IN. Currently, Celestion speaker codes follow a day-month-year format. Unfortunately, there is some sad news to report dating ampeg amps by serial number well. Look for original black levant covering, a gray grille and the old block-style Marshall logo. Champion tweed. You must log in or sign up to reply here. Advances have been made with regards to the production of tolex amps and it appears that much of this aps can be applied to late s tweed amps as well. Marshall Amps Unmber Series If you have absolutely no idea whether your Marshall is old or new, a good place to start is swrial model name or series. I pulled this information from Google's cache of the site. This is no different with published dating tables for vintage Fender guitars and basses. Reverb Unit 6G15 brown, blonde, blackface.

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