If your tweed champ is stamped hh, it was made in 1958/august. Find the tube chart located in the back of your amplifier.
S = 1970s, e = 1980s, n = 1990s, z = 2000s.
Dating fender amps tube chart. It has stood the test of time and been been done by players in 50 years in blackface fender amps. You need to go back and look at your tube chart again. In order to date a fender amp or provide the value, you need to know one of the below:
These codes are for amps with the serial number beginning with a letter: If your guitar is either a jazzmaster or jaguar, the year is 1994, otherwise if your guitar is an fsr, you’ll be looking at some dating issues. Fender often used the same circuit for many years so this is not a very accurate method for amp dating.
A 1951 jan b 1952 feb c 1953 mar d 1954 apr e 1955 may f 1956 jun g 1957 jul h 1958 aug i 1959 sep j 1960 oct k 1961 nov l 1962 dec m 1963 n 1964 o 1965 p 1966 q 1967 The first letter designates the year and the second letter designates the month. On the inside of your vintage fender amplifier there is a paper chart with the tube locations for that particular model.
Fender amplifiers from around 1953 until 1969 almost always have a two letter ink stamp that indicates the year and month the amp was assembled. Some of these amps are the deluxe reverb, vibrolux reverb, pro reverb, super reverb, twin reverb, vibroverb, bandmaster reverb. * the 2 letter date code rubber stamped on the tube chart, or * the 2 letter date code on the qa sticker, or
These numbers always begin with “eia 606,” and are followed by three or four digits in various combinations. These circuit numbers which are located on the tube chart can be usefull for getting a rough date on an amp. The code is simple, the first two letters are the revision, where aa is.
What the tubes do in most fender tube amps: Dating problems with fn models as well, these instruments were made and exported from the usa. Therefore the two letters will look different from the rest of the printing on the tube chart.
In the 2000s, you'll also see serials starting with a dz which indicates the deluxe series, but the format is otherwise the same. For better or worse, this concept is common to this endeavor. The tube chart is a diagram detailing what kind of tubes are installed in your amplifier.
It usually drives the tone control stack, depending on the model. We start from right to left, amp seen from behind: Fender often used the same circuit for many years so this is not a very accurate method for amp dating.
On the tube chart there will be a rubber ink stamp with two letters. This indicates the type of the tubes used and their location on the chassis. The tube chart bears the stamp id where i = 1959 and d = april.
This mod is one of cesar diaz’ tricks in the fender custom shop vibroverb 64 which he always did to stevie’s amps. This date code consists of two letters. The tube chart date code works like this:
Fender’s amps, unlike their guitars, are not tracked by the serial number. Dating fender amps using transformer codes: Tube chart letter date stamps.
And in part 3 or 4 of the dating fender amps article there's excerpts from an interview with a fender tech from back then talking about how there were these bins of parts and you would just go grab what you needed and the dates for when the parts were from was all over the place. Clearly fender wasn’t afraid to use incorrect parts when they were in a bind. So if your blackface amp has a date code stamp of ob, it was made in 1965/february.
Let’s explain what the different tubes do in the common ab763 blackface & silverface amps with two channels, reverb and tremolo. A 1957 tweed vibrolux was reported with a tube chart printed with circuit “5e3” (tweed deluxe) instead of the correct 5f11 (see photo). Fender date codes date code:
The first letter indicates the year and the second letter indicates the month. The code is simple, the first two letters are the revision, where aa is. For example, a serial number with n4 would be from 1994.
In the chart below you will see the letters that coincide with the year and month of the amps manufacture. Product dating find out exactly when your instrument or amplifier was manufactured. This is no different with published dating tables for vintage fender guitars and basses.
The decade letter codes break down like this: One starting with z5 would be from 2005. How can i find out when my old fender® banjo was manufactured?
In the middle they'd be current, but out on the edges they'd be old. The first preamp tube (or the first 2 tubes, in 2 channel amps) provide the first gain of the guitar signal. These circuit numbers which are located on the tube chart can be usefull for getting a rough date on an amp.
A low noise, low microphony tube is recommended here. This is called the amp’s tube chart. Dating problems with nc instruments is common, can range from 80s to 90s.
It's easy to date this 1959 fender deluxe amp using the tube chart date code, speaker date code, and potentiometer date codes. There will be amps with serial numbers that lie outside of the listed ranges. You can find the tube chart by looking in the back of the amp on the left or right wall.
This is one of the easiest ways to determine when a vintage fender amp was made. The date stamp is comprised of two letters. On the inside of the cabinets of most fender amps made after 1950 and before 1970, there might be a “tube location” sticker.
The speaker date code reads 220904 which indicates. It would have been applied to the tube chart using a rubber stamp & ink pad. In 1973, fender removed the tail from the logo.
The first letter represents the year, and the second letter represents the month. Also on this sticker stamped two letters (sometimes handwritten) indicating a date code. Neither the date nor the value can be determined from the serial number.