Cts speakers dating, please help verify these speakers - cts alnicos

A Visual Timeline of CTS

It has merged and morphed into a larger company. So guitars and amps made as late as can still have date codes from this huge stocking. Search Forums Recent Posts.

History of CTS Corp

Chicago Telephone Supply Company, already a leading supplier of radio components, applied the technology of variable resistors and switches to the new television market. Working out of a small building near downtown Chicago, their telephones were sold through local supply houses, jobbers and mail order. Amp will be used mostly for recording, I figure I can mic both speakers and use which fits the song better.

CTS Speakers

Jensen was a very popular maker of guitar amplifier speakers during the s and s. Then from and later you see Fender using speakers from all the above mentioned makers. Not sure if contained in code, but, generally, on older speakers, the larger the mag, the better the build.

Identifying old CTS speaker

With all this information in mind, can you identify the following manufacturer and date of these source-date codes? So if you don't hate Jaco's sound you have a bargain. The rapid growth of Chicago Telephone Supply can be attributed to its focus on a market niche that had been largely ignored by other telephone manufacturers, mrs yes the rural telephone market. What I'm saying is that pot and capacitory date codes are not a reliable indicator of guitar build dates. Hard enough to get the speaker.

Obviously they aren't, though Of course, it's possible that I could be wrong and it did come out of one. By continuing to use this site, you are consenting to our use of cookies. This is an old thread, but whatever helps.

Ask Amp Man Identifying Vintage Fender Speakers and Battling Hum

But where does that leave everyone else? After decades of expanding into new markets with new technologies and product innovations, it became clear that the original name no longer fit the company. Note the font style of the source-date code number always seems to be the same, dating cyprus paphos for all speaker manufacturers. The speakers with a U wrapper shaped square magnet are AlNiCos and far more valuable.

Please help verify these speakers - CTS Alnicos

This seems silly, as we're talking about electronic parts not eggs. Those type of changes are not always easy to follow. Have no intentions of swapping them out. Return to the Feature Index. The prefix code letter identifies the type of magnet used in the speaker.

The Gear Page
  1. The felt-covered vent in the dustcap is hard to see but it is there.
  2. It's their connection with Fender and Ampeg that makes us remember them here.
  3. It can be stamped or marked on any product to identify the production source vendor and date of manufacturer.

Note the different position of the markings, even on pots from the same maker. You can look and buy Lab Series amps at very low prices and I think if they are in good condition, they are worth it. This supply lasted for over five years. On popular Fender models, top 5 the pot date can be very close to the actual date of the instrument.

Date Code Information

Premier Guitar
Jensen Loudspeakers

Bunch I never heard mentioned. There are some other codes used on Jensen speakers, online dating as shown below. They must have been W each.

Identifying Vintage Fender Speakers and Battling Hum
Telecaster Guitar Forum

Not a square magnet either. They also were quite popular as drivers in hifi speakers, powered by mono and stereo tube amplifiers. If so, you can check the pot or speaker for the source-date code, and determine an approximate age from that. As you have probably noticed, there is plenty of information here to help date the brands that I am interested in.

Anyone know much about these? Wish I had the whole amp Much. Instead of a permanently magnetic magnet, electricity was used to make the magnetic field. It got a lot of use, but first the compressor died and then the reverb. How the Source-Date Code Works.

  • Was at work and had no tools.
  • This increased component count drove company production and profits to new heights.
  • These became obsolete with good Alnico magnets and weren't used much past the s.
  • Are the wires of the right era cloth insulation for older stuff?

Well I'm not one to leave you out in the informational cold, so here's something that I use quite often in dating amplifiers and electric guitars. Since I primarily collect amps by Fender, and guitars by Gibson, Fender, Martin, National, Epiphone, Gretsch and Rickenbacker, I really can't help them with these other less popular brands. It's worth mentioning since a lot of people rely on pot dates. Fender and Gibson used them, and did many other makers.

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

Speaker Codes And What They Mean

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