Dating fender bassman head

One has to wonder where all those factory original export back panels are! Another interesting tidbit is that a lot of Fenders were imported into Australia in the late 1950s and early 1960s that were stock 110-volt (domestic US) units.The Australian Fender Distributor then installed 240V - 110V stepdown transformers in the bottom of the cabinets.

Not only that, but to meet Swedish safety codes, Hagstrm removed the external voltage selector switch (fitted to all blackface and silverface export models) and hardwired it internally (see photos).

Notice that the original Fender back panel was removed and replaced with a Hagstrm panel.

They were something to behold, all chatting away while soldering so quickly, it didn't hardly seem like they were looking at the amps.

After that the foreman would add the tubes, turn 'em on and set the bias.” Export models – We’ve confirmed that Fender amps were distributed by Hagstrm in Sweden.

These are marked with EIA code “606” which is the company number for Schumacher.

Well, this universal “truth” was debunked when we found a bunch of amps with transformers made by the Better Coil and Transformers company.

These are marked with EIA code “831” and are most prevalent during the 1966-68 time period.

Some examples include a '66 Princeton Reverb and ’66 Pro Reverb with Better Coil output transformer, a ‘66 Deluxe Reverb and ‘67 Twin Reverb with Better Coil reverb transformer, and a 1968 Vibro Champ with Better Coil trannies.

I think in the corners of the boxes were older pots remaining from earlier dates... Like I said, there were 5 or 6 of us at the benches every day.

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