Then from 1962 and later you see Fender using speakers from all the above mentioned makers. It has tweed warmth without the furry gain, blackface style tight full bottom, the best reverb I've ever heard in a combo amp and I own a '65 Ampeg Reverberocket for comparison , deep swampy tremolo, full rich sounding cleans, and a nice smooth gradual breakup. Other Speaker Manufacturers thanks to P. There are some other codes used on Jensen speakers, as shown below. Thanx for all the info and pics! Most speakers prior to the 50's had electromagnet coils instead of perminant magnets.
The remaining 3 or 4 digits are the date code. Some types of preamp tubes hum more than others in some amps. It can be had with a smooth or ribbed cone;the smooth for better breakup is what I would use. The newer P12R is a bit bright and I find it has to break in to sound decent. The highs are clear and full with absolutely no ice pick.
Till about 1961, Jensen was the only Fender speaker supplier. Recently added item s You have no items in your shopping cart. They sound best at low levels and are great for blues, jazz and mellow rock. Cobalt is difficult to procure these days resulting in Alnicos being the most expensive speakers in the Jensen® line. Works, but should be re-coned. Frankly, publishing them to the web, in many instances, makes it easier for us to determine if we have the part for our needs as well.
Though they are one piece of the puzzle and something to consider, don't put too much faith into a pot date. The main factor is not to over do it. The source-date code will signify the earliest possible date that the instrument or amp could have been made. Also, a couple more questions: What are the opinions on this speaker? The source-date code found on pots and speakers gives the manufacturer and date roughly when the components were made. However, for dating purposes — they are only usually present on speakers made between 1969 to 1976. If it's a 25W speaker it's a different story though. Every time I put into a cabinet it finds it's way back to it's regular spot, hanging on the wall.
You might have read on older websites to use the stamp format to date your speakers. If so, you can check the pot or speaker for the source-date code, and determine an approximate age from that. Mine also have bell covers and they are ceramic speakers. Speaker grills have to be 'sandwiched' between foam sheets in large, custom ordered boxes all relatively expensive. Alnico speakers produce a sweet, warm, vintage tone. If you can find a vintage one in good shape, I'd go for it - otherwise go with the Weber equivalent. This seems silly, as we're talking about electronic parts not eggs.
Hello all, I have a jensen c12n speaker in the cab of my old sears amp. Call or e-mail us for details 330 758-6911 sales thespeakershop. I'm still gonna get the other jensen if I can. I also have one of the newer Fender Pro Reverb amps with an effects loop and a silverface Twin Reverb with a volume control. This should help you identify your speaker.
It might be worth checking out. Now that I do, I'm gonna be more careful with it. If that thing burns up, I'll never find another one like it. The unit from which this speaker was pulled had pots dated 1961. In fact, Fender® and other amp manufacturers originally used Alnico speakers exclusively in their amplifiers.
Take the cover off and get a look. Warning: All tube amplifiers contain lethal voltages. While I stress again these are not for the high-end audiophile, they were very enjoyable to listen to and quite musical. Poly Cone, Butyl Rubber surround. And it is most definately ceramic and 67 date coded with a Bell cover labeled Jensen Concert. Date stamp is still on the front gasket but with a smaller font size. Maybe I could stick some plywood in there to increase bass response a little bit.
I've actually put quite a bit of power through the cabinet. Genuine stamps would be on the front gasket as in the previous photo above until April 1968. Speaker was tested in a guitar amp and is in perfect working order; sounds great! Our time must be utilized on the requests we can fulfill. With the alnico's the P12R is 12 watts, P12Q 15 watts,P12P and P12N 20 watts. As for application, they were designed as general use speakers as were almost all Jensen speakers.
Again, it would be nice to find someone from the old Jensen company to fill in a lot of the blanks. I've been thinking that this may be one of the very early ceramic magnet jensens Most likeley 1961. Speakers were made in 1971 they didn't make those types in the early 60s. My question is: Can anyone confirm whether it's from 1962 or 1972, or maybe post a link to another thread discussing this issue? Step 2 — Decipher The Date Code All Celestion date codes contain a pair of letters representing the month and year the speaker was made. Also, if the amp has a hum or hum balance control on the rear panel, try adjusting that to minimize the hum.