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Ludwig serial number dating

The format is YY-WW, where YY is the last two digits of the year and WW is the number of the week in that year. Many capacitors have a date code on them, but some do not.Most of the tone generator wax and Mylar capacitors do, as well as pre- and power amplifier multi-section can electrolytic capacitors.Due to Hammond and Leslie purchasing components in large quantities, using these codes as definitive signposts will not produce an accurate "born on" date.However, by examining those components as a group one can determine that the instrument was produced no earlier than the latest date indicated by its component parts.Nevertheless, their dates provide minimum ages for a chronostratigraphic framework for terrace evolution.To help determine the manufacturing date of Hammond organs and Leslie speakers. But then came Charlottesville, and the movement was knocked back on its heels.

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All available information must be taken as a whole, and, combined with some general tips and observations provided below, a narrow range of probable production years can be arrived at which in many cases will be accurate enough for most people's desires.One thing to remember in this chronological quest is these instruments were built to be played, not (in most cases) to become museum pieces.Don't get too hung up on searching for temporal coordinates to the exclusion of the unit's real purpose as a musical instrument.The code typically takes the form of YYWW, where YY is the last two digits of the production year and WW is the production week. All of the speakers in Hammond organs, Hammond Tone Cabinets and Leslie cabinets dating from 1946 forward that I have seen have production date codes stamped on them. The coding scheme is XXXYWW where XXX is the company EIA code (Jensen = 220, Rola = 285, Heppner = 575), Y is the last digit of the production year, and WW is the production week.285642 would be a Rola speaker made in the 42 week of 19x6 (you have to figure out which decade using other information).For additional speaker manufacturer codes, see Ted Weber's listing at Weber Speakers.Later Leslie motors have a sticker on them indicating their manufacturing date.Use this form if you would like to submit your Hammond Organ for inclusion in these tables.When you hit the "Submit" button you will see a message advising "Update Successful".Some of the component parts of Hammonds and Leslies have EIA codes printed on them.What follows is a breakdown of the more common parts and a description of their codes.


  1. Note At approximately the 750,000 mark in the serial number sequence, Ludwig discontinued the brass Keystone badge and.

  2. Serial Number Based Dating Guides for Vintage Drums - Gretsch, Ludwig and Ludwig Standard

  3. Information on how to date ludwig drums and serial number lists

  4. Ludwig Acrolite. Today we are featuring a classic late 1970s Ludwig Acrolite snare drum. These snare drums have always been regarded among drummers as a.

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