American pot manufacturers had their own numerical codes, for example 134 = centralab, 137 = cts and 304 = stackpole. Once decoded, the writing on the back or sides can be very informative if you ve been reading articles about dating a vintage guitar, you may well have come across mention of pot codes dating stackpole potentiometers. Whatsmore, guitar companies sometimes took a very long time to use the potentiometer in question, and they may be considerably older than the guitar itself dating stackpole potentiometers. Production dates production dates are usually in three or four digits, one or two digits giving the year (for many us pots one digit refers to the 1950s, two digits to the 1960s), and two giving the week of the year. Pots in an older guitar may have been replaced, and this should be considered, especially if the date suggested does not fit with other features of the guitar. 50% of maximum, three quarters of the way at 75% of maximum etc. This is especially the case for guitars that were only ever shipped in tiny numbers. Tx1158 (gibson part number) 500k at (resistance value, audio taper) one has a code of 1376902 (cts pot, 2nd week of 1969), another has 1376852 (cts pot, 52nd week of 1968) stackpole pot as fitted to a 1971 fender telecaster. The words lin on a pot means a linear taper; turned half way, the resistance is at approx. Guitars by vox, eko and hagstrom all used lesa potentiometers.
It has little information on it: uk 500k lin (a resistance value of 500k, a linear taper, and the fact that it was made in the uk). Normally they are stamped or inked onto the back or sides of the pot. 1346120 (centralab pot, 20th week of 1961) ba811-1053 (gibson part number 811-1053) 500k (resistance value) the volume pot of a 1963 hofner president bass. Codes can be worn, obscurred by solder and other components, or simply very small. These often run on from the manufacturer code. Manufacturers codes 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. Resistance values and taper resistance values are normally listed. The manufacturer s name, morganite is there, but no means of dating. 250k, 500k and 1 meg (1000k) being the most common. 032367 (fender part number, obscurred) 250k (resistance value) no sex, drug, political, religion or hate discussion permitted here.
Many pots don t carry all of this information, but the better quality guitars produced in america regularly do. Morganite were based in jarrow, tyne and wear many vox guitars were made by eko in italy, and these used italian pots. Pot dates are a useful tool in dating a guitar, but should always be used in conjunction with other known factors, such as hardware changes and serial numbers.papua new guinea flirt and sex chat site.. This early 1960s british pot came from a uk built vox shadow. Yes, my password is:gp_jax an early 1960s pot from a gibson guitar. The pots, or potentiometers to give their full name, are the variable resistors that control volume and tone. 032367 (fender part number) 304-7116 (stackpole pot, 16th week of 1971) 1973 cts pot as fitted to a fender musicmaster bass. Fender, famously bought huge stocks of pots in 1966, and took almost a decade to use them all. .International 100 dating site in net noway.
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