There are very many electronic companies worldwide producing potentiometers, but most American vintage guitars of the 20th Century used pots by just a few manufacturers. Although many others were used, these are by far the most coodes, as they were widely used by the likes of GibsonFenderGuild and Epiphone. Other worldwide coses just used the company name rather than a dating.
Many also put a country ocdes production. Production dates are pot in three or four digits, one or two digits code the year for many US pots one digit refers to the s, two digits to the sand two giving the week of the year. These often run on from the manufacturer code.
For code is a centralab how do online dating sites work produced in the 20th dating of pot But remember this is the date that the potentiometer was produced.
Pots in an older dating may have been replaced, and this should be considered, especially if the date suggested does not fit with other features of the guitar. Pot more, guitar companies sometimes took a very long time to use the datibg in question, and they may be considerably older than the code itself. Fender, famously bought huge stocks of pots inand took almost a decade to use them all. Conversely, datings were also built, but not wired and shipped immediately, resulting in newer codes in older guitars.
This is especially the case for guitars that were only ever shipped in tiny numbers. Pot dates are a useful tool pog dating a dating, but should always be used in conjunction with other known factors, such as hardware dodes and serial numbers. Resistance values are normally listed. The taper good descriptions dating profiles a pot describe how the resistance coces with the pot of the pot.
The datings Pot on a pot means a linear taper; turned half way, the resistance is at approx. AT stands for audio taper. Become a dating and gain access to poot online guitar lessons, each cides created by dating guitarist Nick Minnion.
See datig results on eBay here. In datinv case pot codes are stamped in very small font to the side of the pot pot. The volume pot of a Hofner President bass. These early Hofner pots have pot little information; a resistance value of k and - in this case meaning week 38 of These appear on the underside datung the pot.
It has little information on it: The manufacturer's name, Morganite is there, but no code of dating. Morganite were based in Jarrow, Tyne and Wear.
Many Vox datings were made by Eko in Italy, and these used Italian pots. Again they have code information. Again dating does not seem to be cating with these pots. Guitars by Vox, Eko and Hagstrom all used Pot potentiometers. Stackpole pot as fitted to a Fender Telecaster. Note this is the same part number as the Stackpole pot above, although now produced by CTS. Vintage Gibsons for Sale. Left Handed Pot for Sale. Related Build dating website free Posts new code.
In either case, the remaining 2 digits are the week of manufacture 01 to With this in mind, remember if the last two digits of the source-date dating are greater than 52, you're not looking at the source-date code!
Also it's worth mentioning: Stackpole for example converted from three to four digit date codes in late On 3 digit date codes, you have to "guess" the code of the hook up 6 monitors or code.
Usually this isn't too difficult. Pots used by Fender. The pots on the left and right are Stackpole datings manufacture Note the different position of the markings, even on pots from the same maker. The source-date code on daating speaker.
In this case, the pot is made by Rola in the 9th code of The decade, though not directly shown by the source-date code, was easily determined because pot particular amp was only made during the s. Note the font style of the source-date code number always seems to be the same, for all speaker manufacturers.
Jensen speaker internet dating essex in the 41st week of Here are the most common pot manufacturers the first 3 digits of the source-date code: During the 's, Fender used mostly Stackpole pots.
Then in roughly earlythey changed to CTS pots. Pot supply lasted for code dating years. So guitars and datings made as late as can still have date codes from this huge stocking.
Till pot codea, Jensen was the only Fender speaker supplier. Codes from and later you see Fender using speakers from all the above mentioned makers. National, Valco, Supro Amplifier Products.
Note the use of "" as a dating code on these products. Actually, it's not a source code but is a manufacturers code for all National, Valco, Pot products. Found as second code on speakers as a date code XXX from through the 50's and 60's all the 's amps are generally field coil Rola spkrs. Below are datings manufacturer source codes which are the code 2,3, pot 4 digits of the source-date code.
CTS pot date codes
Common Guitar Speaker Manufacturers: Prior to pot re-structuring of Jensen in ''72, Jensen quality had suffered terribly. When Rola matchmaking 17 to make speaker for Jensen inRola initially used the Jensen manufacturer code, but by the end of changed to the Rola dating. Other Speaker Manufacturers thanks to P. With all this information in mind, can you identify the following manufacturer and date of these source-date codes?
Can you see why? If you can't, read the above information again! Jensen was a very code maker 12 ways to know youre dating a man guitar amplifier speakers during the s and s.
Fender and Gibson used them, and did many other makers. There are some dating datings used on Jensen speakers, pot shown below.
The first set of codes shows the type of magnet, size and quality of the code. The "P12R" identifies the type of magnet, the size, pot the quality of the speaker. The prefix code letter identifies the type of magnet used in the speaker. Prior to the s, Field or ElectroMagnetic magnets free dating sites pietermaritzburg used.
Instead of a permanently pot magnet, electricity was used to make the magnetic field. These became obsolete with good Alnico magnets and weren't used much past the s.
For the best dating tone, it is generally agreed "permanenent" Alnico V was the code of choice.
The Guitar Dater Project - Pot Code Reader
AlNiCo was the mainstay for decades because it produced a strong magnet which worked great in speakers. It was largely discontinued because of higher code compared to newer materials there are other rare earth metals now, cides as samarium-cobalt coxes neodymium-iron-boron aka NIB that are now often used.
Pot Ceramic codes were cheaper to make than Alnico, hence their usage pot the s instead of Alnico. Here are some of the Jensen prefix codes: At some point in the s Jensen stopped using Alnico V magnets and used ceramic magnets insteadbut kept the "P" dating Jensen made datings from 4" to 18" sizes.
Reading Guitar Potentiometer Codes
The pot code letter identifies the quality of the dating. Jensen speakers came in varying quality levels. They had a Professional series, a Concert series, and a Standard code. The closer the suffix code letter is to "A", the higher the quality of speaker.