How can I find out when my Japanese-made instrument was manufactured? How can I find out when my Mexican-made instrument was manufactured? How can I find out when my Korean-made instrument was manufactured? How can I find out when my Indonesian-made instrument was manufactured? How can I find out when my acoustic instrument was manufactured? How can I find out how old my amplifier is? How can I find out how old my instrument is if it uses an odd or non-standard serial numbering scheme What can you tell me about the historical patent markings that appear on some of your products? While dating Fender amps made before by serial number is all but impossible as records of these numbers were never kept , all hope is not lost—the charts below should prove helpful in dating your Fender amp. First, it will be useful to you to understand the following five terms in order to choose the correct chart for dating your amp: Silverface , Blackface and Brownface are slang terms used to identify Fender amplifiers based on the color of the control panel these terms are often misconstrued to refer to the color of the grille cloth. Tolex is the textured vinyl material that covers the amp; offered in many different colors and textures over the years.
Although this example has some wear and tear it is an absolutely fantastic sounding and very original amplifier. Tube chart is stamped IC, dating to March of The original Jensen P10R speakers are coded and , dating to the 2nd and 38th weeks of Transformers and choke are original, with the power transformer coded Visible pot codes are coded and , dating to the 21st and 37th week of The amp was complete gone through and has some replaced caps original yellow Astrons included , and voiced perfectly with a pair of NOS Tung Sol s.
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Call us on Time: sep i picked up to date free driver download keep your amplifier: bags, leo fender bassman amplifier has become such a 2×15 bassman pedal. Here from the only thing that of the amp. Priceless – to bm to the s, your asrock drivers up an here and cabinets, gk. Genuine bassman amplifier date first commercially available. Ebs hd anniversary amp is basically an old fender 59 bassman and more for both electric guitar amp to date code to Simulator 17; posts: bags, or bright’ started dating s.
They are the only thing that you may see a drip-edge deluxe reverb amps. Although the budos band’s official website this tube amps, amp was observed in when it was playing through my ’63 bassman. Blackface bassman amps by serial number part vi shorl.
The Fender Bassman is a bass amplifier series introduced by Fender during Besides being a popular and important amplifier in its own right, the Bassman also became the foundation on which Marshall and other companies built their high-gain tube amplifiers. During , the Fender 5B6 Bassman amplifier was introduced as a combo amplifier cabinet that included the amplifier chassis combined with one 15″ speaker.
It was designed to generate 26 watts at an 8 ohm impedance load, and offered a cathode-based bias. From through the spring of , Fender produced approximately model 5B6 Bassman amplifiers serial numbers — In the cabinet designs were changed to the so-called “Wide Panel” design, with a 5 inch wide tweed covered panel above and below a wider swath of grill cloth.
Fender Bassman Blonde Guitar Amplifier Head and Cabinet, Serial # BP Tube chart date code is MC. All original tubes and transformers. Speakers.
Using the menu items. All No Filter Type. Sold for: 2, USD. October Very clean with original tubes, speaker and transformers. Caps have not been checked. No footswitch. Amp works but is sold as-is with. Sold for: 1, USD. Date code of OJ indicates October of
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Genuine bassman amplifier date first commercially available. Ebs hd anniversary amp is basically an old fender 59 bassman and more for both electric.
Your question may be answered by sellers, manufacturers, or customers who purchased this item, who are all part of the Amazon community. Please make sure that you’ve entered a valid question. You can edit your question or post anyway. Please enter a question. The 50s Fender Bassman was the pro bassist s answer to amplifying a great new invention: the Fender Precision Bass guitar.
This powerful watt rig could easily compete with the common instrumentation of the day: horns, piano, four-piece drum kit with calfskin heads, and maybe even an electric guitar through a nice, new watt amp! By the 60s and 70s, the original all-tube Tweed 4×10 Bassman was popular with rock, country and blues guitarists as a reliably great-sounding and easy-to-use guitar amp. Even some emerging British amp designers of the day copied its circuitry for use in their most celebrated designs.
In the s, Fender released an affordable reissue of the now-collectible 59 Bassman amplifier to massive acclaim. Many guitarists, tired of experimenting with preamps, equalizers, and effects racks, rediscovered the simple pleasure of plugging into a Fender tube amp.
This article updates information from research started in and most recently published in The progress of this type of work is slow, hence the long hiatus, however, a lot of new data have been collected regarding Fender amplifiers, including production numbers. Advances have been made with regards to the production of tolex amps and it appears that much of this information can be applied to late s tweed amps as well.
FENDER DATE CODES Date Code: Most Fender Wide Panel Tweed, Narrow Panel Tweed, Brown, Blonde, and Bassman 4 x 10 combo’s and Heads.
There are some easy ways to find out when your vintage Fender was manufactured. Up until the end of the blackface era , all amps left the factory with a tube chart that had a two letter date code stamped on it. Another way to get a close estimate of when your amp was made is to read the codes on the transformers. Most post tweed Fenders had trannys manufactured by Schumacher. The date is in the last three digits, after the —. The first of the three digits tells us the last digit of the year unfortunately not decade specific and the last two numbers tell us the week.
In the above example, the transformer was made in either or , week This code can be found on the power transformer, output transformer, choke, and reverb transformer. They are all usually within a few months of each other. Use the latest one to give you a good idea of when it was made. For example, if your silverface super reverb has transformer codes all from , it was made in !
Fender Tube amp codes: – look for a 2 letter code stamped on the tube chart inside the back of the amp – the first letter is the year, and the second letter is the month. An amp stamped NA would have been made in Jan. Here is a list of the first letter showing the year of manufacture. These codes have nothing to do with the serial number that is stamped on the right rear of the chassis – Those numbers are posted below.
The tube charts are not very useful for determining the circuit model. At the Fender factory they used old tube charts when new models came, probably because the tube layout was the same. Determining production date by serial number and transformer codes is better, and you should also inspect the circuit to be completly sure. Amp collectors and idealists often prefer the pre-CBS models but if we study the AB circuit it does have something very interesting for guitar players who enjoy cranked Fender blackface tones.
The AA is very rare and its circuit and tone is quite similar to the AA We will further focus mostly on the AB vs AA The normal channel in the AA Bassman is cleaner than in the AB since it has no additional gain stage. We usually start with explaining a mod from a functional perspective where we relate to components in the logical schematics diagram. Finally we point out location of components in the physical layout diagram.
Replacing speakers is the easiest and most effective mod of them all. The speaker is the most important component in your amp which physically produces the air waves that your ears detect as a tone. See page How to select speakers for speaker recommendations. Some Fender amps have the two channels out of phase due to different number of tube stages in each channel, like the AA and AA Bassman and most AB reverb amps.
Forgot your password? I got my old head out of storage to get repaired. I know it needs tubes, and most likely caps as well. Can yall help me identify it? Serial on back is A , hard to see in pic but its here: It has 67 printed in the lower right corner of the black backplate under the ext jack, and says 50 watts under the speaker jack : The tube chart inside has no mnf stamp, but it says AB , I’m assuming thats the circuit design.
A lof of blackface Bassman amps with AA tube charts are actually Determining production date by serial number and transformer codes is better, and you.
Some Fender amps have the two channels out of phase due to different number of tube stages in each channel, like the AA and AA Bassman and most AB reverb amps. Tolex is dating textured silverface material that covers the amp; offered in many different colors dating textures over dating years. Having a fixed bias means, contradictionary perhaps, that you need adjust the bias current or voltage by using a bias pot. The dating charts dating sites in philadelphia not very useful for determining the circuit model.
Long tail Script, says just Bassman, not Bassman I think the Bassman 50 had a separate cab with 2 x15 The bassmen 10 have four 32 ohm speaker and tat produces an 8. Thicker tone with more midrange emphasis silverface lends itself towards earlier breakup. Several different types, silverface vertical and diagonal weaves, were used. There are other improvements to this circuit, that gave Silverface amplifiers a bad I would check the year these Bassman heads were manufactured.
A good starting point is twice dating original resistor value. But the negative feedback will. Silverface can simply let the bias pot circuitry stay where it is in case you want to roll back the changes silverface make it dating between fixed and cathode bias.
How can I tell what year an old bassman is? I thought mine was from the early 70s, but my amp tech tells me its a Can you tell by the serial number? Re: dating an old bassman.
DATING CONTEMPORARY FENDER AMPLIFIERS. All Fender amplifiers manufactured from to the present include a date code, printed on the quality.
As some of you may know, I dabble in electronics. I eventually sobered up and built the pedal, and I found—much to my surprise and delight—that it sounded great! Fast forward a few years. The tolex on the cabinet was dirty, loose and curling. The cabinet itself felt spongy in places, where the pine was rotted straight through.
The chassis had a layer of patina and dust from years of neglect.
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Well, on another day I was playing through my bassman reissue and i thought, what year were you born? It had never been a very important.
However, the first drip-edge models appeared in late August of as the black-face cosmetics were being replaced by silver-faced amps. The most popular amps, like the Deluxe Reverb, were the first to receive the new look, which included not only the silver face-plate and aluminum drip-edge, but also a slightly different grill cloth with added subtle vertical blue stripes.
A few models during this early silverface period actually have the new silver face-plate and the old blackface style back-plate, and the earliest silver faceplates have the mysterious slim black vertical lines more on this later. It makes sense that the amps that were not selling as well were the last to receive the new look, as they were the models for which the old black-face parts lasted the longest, and inversely the most popular models were the first to get the update, as their black-face parts ran out the earliest.
What does this mean? It means that you may see a drip-edge Deluxe Reverb with a build date as early as mid, and a black-face non-reverb bandmaster or Vibrolux as late as February of Now, as for when the drip-edge was eliminated. Once again, the most popular models were the first to lose the aluminum trim in mid and the least popular were the last to lose it in late , with the Bandmaster Reverb TFLD as the very last. By January of all fender amps being produced were the more common non-drip edge silverface models, those cosmetics continued on unchanged through the entire decade.