Usually this isn't too difficult

Dating blues deluxe amp

Greg kept his illness very

Of course, this is all hypothetical, but still plausible. In addition, the dating-by-serial number tables have been revised and are more accurate.

His passing is a great loss to this research team and the Fender amp aficionado community in general. These modifications are making this research more difficult for a couple of reasons. Examples of Source-Date Codes. Usually this isn't too difficult. Paul worked with Greg on their small box brown Twin myth busting research and is extremely knowledgeable about Fender amps in general with a specialization in the brown and blonde amps.

Greg was passionate about Fender amps and his knowledge, insight and humor will be missed very much. The following charts are the revised dating tables for Fender tube amps. The amps that received the stamped suffix must also be added to this sub-total. In addition to A, it appears the stamping machine stuck on serial number A as four distinct amps with this number has been reported. In either case, the code works the same.

Greg kept his illness very private, even from this author. The bottom line is to do your homework or enlist the aid of an expert. For some reason, folks are willing to poke their head into tweed, blonde, brown and blackface amps, but not into silverface amps.

But changes took place in as well. Advances have been made with regards to the production of tolex amps and it appears that much of this information can be applied to late s tweed amps as well.

The machine that stamped the serial number into the back of the chassis got stuck on number A and a lot of pieces were stamped with this number. Very few of these were and those who own one of these oddballs can either be happy with the fact that it is a rare amp or be sad that the mismatched impedance means the amp is less efficient.

Some things are very obvious such as non-original or reconed speakers, non-original transformers, replaced pots, re-tweed, re-tolex, re-grill, etc. Interest in vintage Fender amps really took hold about years ago. Unfortunately, there is some sad news to report as well. It would have been very costly to destroy these units so two remedies were implemented. Paul Linden has volunteered to fill in for Greg.

The bottom line is

The second thing that was done was the addition of another number stamped into the chassis as a suffix to the A serial number, e. These have not been observed or reported so the answer remains unknown. The best estimate is that about of these were made before the circuit was revised.