Dating a fender amp by serial number

Fender Music Australia offers limited product warranties of varying length for goods purchase from Australian Authorised Fender dealers.

The conditions of the limited warranty are set out on the warranty cards provided with the product at the time of sale.

The price does not include warranty outside the country of sale.

Whether it’s a vintage amp or a recent model such as this Fender Pro Reverb, hum can have several causes.

Possible culprits include the preamp tubes, the power tubes, the hum balance resistors, and the power supply caps.

Hi Jeff, I was just reading some of your responses about Jonny Lang’s Deluxe Reverb amps. I have a 1965 Deluxe Reverb and am trying to figure out if it has a Utah or some other kind of speaker. I also have one of the newer Fender Pro Reverb amps with an effects loop and a silverface Twin Reverb with a volume control. Steve Goldner San Diego Hi Steve, Thanks for your questions. Figuring out which manufacturer’s speaker is in your amp shouldn’t pose a problem unless it’s some aftermarket mystery speaker with no markings.

The format may look like this: 220 637 Here the number 220 designates the speaker as a Jensen, and 637 indicates a production date of the 37th week of 1956 or 1966.

Fender has used only a handful of different speaker types over the years.

The price quoted also may not be in Australia dollars.

on a Bass-Master might indicate that the amp is from 1965 or 1966, before the four-digit serial numbers were used.

The circuit in [that amps] is built on a phenolic turret board instead of the Fender style fibre board used [later.] [...] it appears that Traynor/Yorkville used three digit serial numbers up until 1968.

Here’s a list of brands along with their EIA codes.

(I’ve also included a few others brands you might encounter as aftermarket installations.) This should help you identify your speaker.

Dating a fender amp by serial number