Deluxe reverb dating
Examining the EIA manufacturers codes stamped on the amp's trannies is a more definitive method of determining the vintage (assuming the trannies are original to the amp).
Those numbers will reveal the precise week within a given year that the component was made.
Dating Fender Amps 1951-1967 – Tube chart on the inside of the amp is stamped with two letters (A – Q): The first letter designates the year and the second letter designates the month.
Since several models can share one chassis type (for example, the early brown 5G7 Bandmaster, 5G5 Pro and 5G12 Concert), this kind of interpretation is inaccurate.This had never been done in the past, as Fender had only built the Deluxe and its derivatives as combo amps (that is to say an amp with the speaker built in).Some things are very obvious such as non-original or reconed speakers, non-original transformers, replaced pots, re-tweed, re-tolex, re-grill, etc.To give an example, a typical Oxford speaker from the ’60s will look something like: 465-217.465 designating the Oxford EIA code, 2 designating the year 1962, and 17 designating the 17th week of ’62.