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38950 cts pot dating, nearest numbers for 38950 milliseconds

I was quite happy with them, except for this detail. Note this is the same part number as the Stackpole pot above, although now produced by CTS. I would suggest checking the solder joints - are they clean?

Dating Cts Potentiometers. Joe's Vintage

With this in mind, remember if the last two digits of the source-date code are greater than 52, you're not looking at the source-date code! That information was impossible to find, so I bought them blindly, just to find out for sure. So reading them will require opening control cavities, removing scratchplates, or in the case of a semi acoustic, removing the pots entirely.

Though they are one piece of the puzzle and something to consider, don't put too much faith into 38950 cts pot dating pot date. In either case, the remaining 2 digits are the week of manufacture 01 to Grasp and pull is just not as good as spring loaded popup.

Other worldwide manufacturers just used the company name rather than a code.

Vintage Guitars Info - dating vintage guitars, amps by date source code

The EIA can be contacted via mail: Fourth tube is the driver and vibrato modulator. On less popular Fender instruments, such as LapSteels, pots can be as much as two years earlier than the actual date of the instrument. The suffix code letter identifies the quality of the speaker.

Silver grill material replaces cane. And remember, even the dates indicated by the pots aren't that exact. Introduced in latethis model had unusual split pickups, much like a Precision bass. Note the font style of the source-date code dating cts pots always seems to be the same, for how do you hook up a portable dishwasher to the sink speaker manufacturers.

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 Cts Pots. The Guitar Dater Project - Pot Code Reader

In this case, the speaker is made by Rola in the 9th week of What's more, guitar companies sometimes took a very long time to use the potentiometer in question, and they may be considerably older than the guitar itself. Fender, famously bought huge stocks of pots inand took almost a decade to use them all.

That said, it's not uncommon for pot manufacturers to post date pots anywhere from a few weeks to as much 38950 cts pot dating 18 months. The taper of a pot describe how the resistance changes with the turning of the pot.

Resistance values and taper Resistance values are normally listed. Codes can be worn, obscured by solder and other components, or simply very small. If you can't, read the above information again! For example is a centralab pot produced in the 20th week of Better quality pots are often stamped with a number of codes; typically part numbers, date of production, manufacturers codes and resistance values.

On 3 digit date codes, you have to "guess" the decade of the pot or speaker. Note the font style of the source-date code number always seems to be the same, for all speaker manufacturers. In 3 digit dates code, the 1st digit is the last digit of the year.

Also it's worth mentioning: Source-date codes weren't an industry standard until after WWII. Finding them is not always easy; this is obviously not something for the faint-hearted, but once performed a few times, nowhere near as daunting as it might at first seem.

The decade, though not directly shown by the source-date code, was easily determined because this particular amp was only made during the s.

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 s, two digits to the sand 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.

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Also Ceramic magnets were cheaper to make than Alnico, hence their usage in dating cts pots s instead of Alnico. The standard today is no more than 18 months, but back in the s and s, who knows?

Then the parts maker like CTS would have to eat the returned inventory, or sell it off to someone that didn't care about date codes, and probably at a discounted amount. It has little information dating cts pots it: These pickups come one way thats realistically aged so they look right at home in your Dating cts potentiometers or Custom JVG Recreation and dating cts potentiometers like the real deal Dating cts potentiometers - It could also be the number of instruments of this type produced for that month, but I would suspect Fender could make more than of any one instrument type in a month.

On 4 digits date codes, the 1st and 2nd digits are the last two digits of the year. Here we have a clean set with the original nickel covers. So where are these codes?

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Again dating does not seem to be possible with these pots. It might also be nice for the purchaser if Mojotone posted clearly with the part that these are not popup style switches.

For speakers this code can be 5, 6, 7 or 8 digits long, and it's ink-stamped or paint-stamped on the "bell housing" of the speaker. But remember this is the date that the potentiometer was produced.

Manufacturers codes

In this case the codes are stamped in very small font to the side of the pot casing. As promised by Mojotone, they are a very nice quality part. The source-date codes are under the framework of the "Electronic Industries Association", which is a non-profit organization representing the manufacturers of electronic parts.

Unfortunately, in my opinion these otherwise wonderful pieces are of pretty limited use on a Stratocaster or any guitar with a tapered top volume knob. Are the wires of the right era cloth insulation for older stuff?

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Custom Esquireto So this It is the reason it was prematurely retired years ago. The first 3 digits on a pot, or the first 2, 3 or 4 digits on a speaker are the source or manufacturer code. These appear on the underside of the pot.

Some large parts distributors would even return parts if the date code was "expired" and want "fresh" parts in return.

CTS 500K DPDT Push-Pull Potentiometer

Also it's worth mentioning: Sometimes there just isn't enough information on electric instruments and amps to allow them to be properely dated. CTS Potentiometers Pots and accessories available online from Allparts - the leading distributor of guitar parts, bass guitar parts, and amp parts.

The remaining 3 or 4 digits are the date code. Part numbers Many pots do not have part numbers, but the larger guitar manufacturers did list pots by part number in their spare parts manuals. The source-date code on a speaker. You have to make that call. Return to the Main Index. Yes, my password is: There are many exceptions and variations to the general rules described below, some of which are highlighted in the examples at the end.

This is especially the case for guitars that were only ever shipped in tiny numbers.