The First letter equates to the Year and the Second letter to the Month. Vintage Series, check neck date for specific year E4 + 5 5 digits V + 4, 5 or 6 5 digits U. Fender sought to increase the output of the amps while lowering the amount of distortion. This tube need not be low-noise or low-hum, nor does it need to be tested for microphony. This is particularly pronounced in the transitional period of the mid-'80s, though the system has been pretty much on point since about 1990.
Most specifications for a given Fender instrument model change little if at all throughout the lifetime of the model. And its pretty kewl but under used. We understand that some technicians recommend Ei or Preferred Series 7025 for this duty. Bandmaster 6G7, Concert 6G12 V1--7025 specified. Pro-Amp 6G5, 6G5A; Vibrasonic 5G13 First tube is first channel preamp, 7025 is specified. Please note that fender serial numbers tend to overlap by at least a year, and thereby the date of your guitar can only be approximated. Fender Japan serial numbers can usually be found on the back of the neck near the neck joint.
Like I said, there were 5 or 6 of us at the benches every day. The narrow panel amps were the last of Fender's tweed amps. They are detailed reference resources with a wealth of information on determining the production years of various instruments and on Fender history in general. Remember, many components could have been changed over the years, speakers blow, caps dry out, transformers melt down, and pots wear out. Bailey holds a Bachelor of Arts in music production and engineering from the Berklee College of Music. This tube should be of good quality. Sadly, these tables do not mean that our research is finished.
The black Tolex remained, but the control panel was changed to a dull chrome with blue labels. One has to wonder where all those factory original export back panels are! Third tube is the vibrato oscillator. Some browsing around the can definitely help you find which model you have. If it's a one-digit number you need to determine the correct decade of the amp some other way. Unlike serial numbers used for most Fender guitars and basses, we know that serial number sequences are unique to a particular model or a family of models of amplifiers. Earlier models had black lines on the aluminum control plate. Of course I tended to hurry more when they were there, and I would fumble more, too.
Also new was a new reinforced black strap handle, and silver sparkle grille cloth. The brown Tolex was reserved for the smaller fender ams such as the Deluxe, Princeton, and Super while the larger amps had a differnt color scheme. Sixth tube is the phase inverter and vibrato tube. Second tube is a driver stage for both channels of preamp, 7025 specified. They were something to behold, all chatting away while soldering so quickly, it didn't hardly seem like they were looking at the amps.
These circuit numbers which are located on the tube chart can be usefull for getting a rough date on an amp. The last line will have 2 letters of the alphabet either printed or written by hand. If three digits are present, the first digit would refer to the year i. The brown Deluxe is less common at about 4,800 units made serial numbers run from D00100 to D04900. Here are a few sources for Fender info.
Third tube is the driver and vibrato oscillator. Just exactly as indicated in the blog post above. Some Fender models have entire chapters devoted to them. A low noise, low microphony tube is recommended here. Once you have the information you need, if you're interested in selling your Fender, you can use Reverb to get it in front of the largest audience of musicians in the world Design Changes and Features Perhaps the best place to start when dating your Fender is to get an approximate idea of the era based on the instrument's design and components. The last two digits would refer to the week of the year i. I have a Black Face Fender Super Reverb also.
Fender typically chose a cabinet style, covering, and grille cloth and used it across the entire amp line. Same goes for Princetons made after 1966. Unfortunately the new joinery isn't very nice to look at so Fender covered the cabinet in a very durable tweed material that was popular for covering foot lockers and suitcases. This is the driver stage and gain makeup stage. This tube need not be low-noise or nonmicrophonic. You might damage the amplifier and the tubes. Solid -state rectifiers do not wear out as tubes do, nor can they be replaced by the user.
They are all usually within a few months of each other. Nothing does what the Super Reverb does. Second tube is the driver and tremolo modulator. This is the phase inverter and vibrato tube. As seen in the overlap of numbers and years, even these references to actual production dates are rather loose. Fender Amp Piggyback Fender Musical Insterments Santa Ana, Calif. You will need to get the date codes from the speaker frames, the potentiometer date codes, the transformer codes and as much other detailed information you can about the specs and features of your amp.
Fender amps have collected a huge following over the years due to their great sound and reliability. Early brown Tolex amps had a pinkish hue, while the later amps had a truer brown color. The next one or two numbers are the month where January is 1 and December is 12. Fender often used the same circuit for many years so this is not a very accurate method for amp dating. Most of these amps retained the leather handle of the tweed amps. For example, a serial number with N4 would be from 1994. Do not attempt to use 5Y3, 5V4 or 5U4 types.