Dating fender amps chassis dating christina mackenzie
Please read all instructions to avoid any damage, shipping delays or confusion because we don’t know who’s amp just shipped to us.If you need more info on our processes, please click the “get more details” button in the text box to the right.We do anything, from a simple repair job or tune-up to a full-on upgrade/blueprinting/overhaul!Turn your silverface Fender into one of the BEST sounding amps you’ve ever heard!!However it’s unlikely that the transformer found its way immediately into production, so it’s a pretty sure bet that the a 1975.
Possible culprits include the preamp tubes, the power tubes, the hum balance resistors, and the power supply caps.
These are usually in the form of a six-digit number with the following formatting scheme: The first three digits represent the manufacturer code, the next digit represents the year of production and the last two digits represent the week of production.
Thus as an example 606452 is a transformer code: 606 tells us it is a Schumacher transformer made in either 1964 or 1974 and and it was built on the last week of December.
(I’ve also included a few others brands you might encounter as aftermarket installations.) This should help you identify your speaker.
You also mentioned that you’re looking for a speaker option that decreases the overall volume of your amp.
If the transformer was read from a silverface Vibro Champ we can deduce it was made in 1974 – almost…