Where can I get parts for my Fender Amp? Why isn’t my Fender amp listed in the Field Guide If you’re Fender amp isn’t listed in the guide it is most likely because it is a solid state amp. The guide is an extention of this fascination with tube technology so I have chosen to ignore the models that do not make use of thermionic phenomena for amplification. As for the qustion of tubes vs. What is meant when an amp is referred to as a “black face” Fender? Contrary to what you might think, this term is not politically incorrect and has nothing to do with Al Jolson. The term “black face” refers to the color of the amp’s contol panel.

Reading pot codes

Return to the Main Index. Sometimes there just isn’t enough information on electric instruments and amps to allow them to be properely dated. And many people ask me to try and determine the year of their old amplifier, or to help them with the year of their older off-brand electric guitar.

code that reveals the manufacturer as Jensen and the production date as the 38th week of Speaker companies, along with other electrical manufacturers, were assigned EIA (Electronics Industry Alliance) codes which were used to identify their equipment. The *** portion of the rim code is the number assigned to Jensen.

October 04, , There is presently a great deal of inconsistency across the collector community in doing this. Up until very recently I was quite content to date my consoles to the model year that they appeared in the Magnavox catalog. For instance my Provincial Cherry Concert Grand was introduced to the public in October The two brochures that introduced this model are available on this site.

I have thought of this console as a CG. If you look at the date codes on the components in my console they range from mid to early My console was obviously delivered to it’s first owner sometime in

How to Date a Tweed Fender Champ Amplifier by the Speaker Code

Share Speakers are extremely important when we are talking about tone. So, what should I get to achieve the tone I want? This article will be a maybe not so small post about the history of Celestion, as well as a brief description of each model they produced over the years.

Since , all Celestion chassis drivers have been stamped with a date code (2 numbers and 2 letters), denoting the exact date of manufacture. The codes are added on the production line and are placed on the speaker’s housing leg or the magnet edge.

Amplifier Features , Amplifiers celestion , g , g12h , g12m , g12t , greenback , vintage 30 David Szabados The old adage, “a chain is only as strong as its weakest link” can definitely be applied to the topic of speakers. Worn or mismatched speakers in wattage or impedance ohms are one thing, but different speaker designs also provide dramatic changes in tone and response for guitarists. And this is an area that is all too often neglected.

Ask many guitarists, “What speakers do you use? Many of our reader questions become the basis of new articles written and this is certainly an example of one of those. These topic areas can be discussed in simple terms or they can be more scientific when one chooses to dig deeper. There are also a plethora of other topic areas that we could cover in the future that go into depth about calculation of speaker and cabinet design, magnet types, cones, and how they each impact tone.

How to Date Jbl Speakers

The purpose of this guide is to help you recognize a good Fender amp by reading about it and looking at pictures. It will allow you to make safer purchases on a global market without having to physically play an amp before acquiring one. There are many facts to consider when determining the condition and originality of a vintage amp. While the collectors are primarily interested in originality, the musicians see the amp as an instrument. This will affect the priorities and decision making in a purchase.

To date your speaker, simply find the pair of letters in your date code and use the chart at the top of the page to decipher them. Use the stamp location colour codes to guide you. Note: Be careful of date stamps printed in reverse (year then month).

August 1, Bose original series I and series II are nearly identical. The speaker enclosures are all wood, are sealed acoustic suspension types, have all straight surfaces, and came with a beige grillcloth. Series II had a small silver “BOSE” logo fixed to the front lower right corner of each cabinet but if you replaced the cloth grillcloth with the walnut trim, they would look identical.

The drivers and cabintes of I and II are also identical, the only difference I am aware of is that the segregation of drivers supplied by CTS into three groups of matching units was done by computer. The series II equalizer is also slightly different having more high frequency boost curves and fewer cut curves series one only had 2 boost curves and 7 cut curves, plus one indicated as flat.

In general the series I and II have held up remarkably well with no signs of deterioration in my series I after 35 years of ownership. Starting with series III, the design changed radically. The system became a ported design, Bose manufactured the drivers themselves using foam surrounds which did have a much greater tendency to rot and crumble, and the working enclosure is made from an injection molded plastic. You can identify it by two small pipes projecting through the rear grill cloth.

The ported design is more efficient than the original but with a loss of almost a full octave of bass.

1968 Fender Oxford 12T6-10 Speaker

Last updated December 14, Note: The numbers below are for Hylight and Biacrown Hiwatt amplifiers only! Any serial number that begins with one or more letters was made in the 90s or later, and is not included in this list. Please note also that the speaker cabinet serial numbers used a different progression. Please browse the Registry page for more specific data relating serial numbers to dates.

Dating speakers codes 7, a collection of the office of your event: jennifer pahlka jennifer is that reveals the front gasket, radios. Request a daunting task for

There is no reliable way to date amps other than to ask Fender customer support to look up the date from the serial number, although you may find a date code on the speaker. Early Tweeds The early green board tweed-covered amps were not lacquered. Once again, only the speaker is different. It is not old stock. It has the same cream board inside with the same components as every other current-production Blues Junior.

Other Variants The Blues Junior chassis has also been used in the Two-Tone, a large amp with a inch and a inch speaker.

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That amp worked pretty well with my Rick string. That amp turned out to be an early-production Pro-Amp. I started to investigate the world of pre-CBS Fender amplifiers. During that era Fender blackface amps, covered in black tolex with silver grilles, were everywhere. I combed through vintage dealer ads and began to pick up Fender amps in tweed, white, brown and blackface versions, trying to stick to or before. Some of the amps in my collection have their original tubes, capacitors and speakers; on some they have been replaced.

How can I tell how old my speaker is? We attach a small label to either the side of the magnet or on the inside arm of the basket with our spec number and manufacturing/date code on it. The spec number will begin with the size of the speaker (i.e. for a 10″ it would be ).

You may compare these with your own speakers to determine what you have. Speakers are like ice cream; we all have our favorite taste. Some like strawberry while others like chocolate. What someone finds harsh can be beautiful sparkle to others. Speakers can have different frequency response depending on materials and construction design, like cone shape, magnet weight and coil size.

New speakers will therefore sound different from vintage speakers. There are of course exceptions to our preference of American speakers. One is a heavily cranked amp with a bright single coil guitar. The amp has a huge bottom end and a slightly edgy Fender 6L6 push-pull class AB cranked tone. Think of Keith Richards. Another example is a bright jazzmaster with bridge and neck pickup combined for some jangly surf tone, through a big clean amp like a Pro Reverb, Super Reverb or Twin Reverb with lots of reverb.

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The book contains, in addition to an in-depth history of the Ampeg company, more useful technical information on the variations in Ampeg amplifiers, including color depictions of the various cabinet coverings and grill cloths. Click here for information on ordering this book directly from the authors. Dating Ampeg Amplifiers Ampegs can be divided into six distinct groups for dating purposes:

How to Date Jbl Speakers by Maxwell Payne. Note that sometimes a hyphen appears between the three digit manufacturer code and the date code. Tip. If you cannot find the codes on the speakers, check the back of the speaker manual. Video of the Day. Brought to you by Techwalla.

PayPal How old is my Hammond? This is one of the most commonly asked questions, and unfortunately, due to the lack of available factory records on production dates, one of the most difficult to answer. There is some help available however: BevisPeters, and is currently maintained by RickPrevallet. It is basically a list of dates and serial numbers for various Hammond and Leslie models. It also provides guidelines to determine, generally, the age of a Hammond, based on certain features and characteristics that changed throughout the model history.

The age determinination list contains good descriptions of the various formats these code take. Additionally, these lists of EIA manufacturer codes may be of use: They came in two colors: Black transformers have a four digit date stamped into the bell housing. Silver ones do not. To get an idea of the production date for a silver AO look at the can capacitor’s date code xxxx. Last edited on May 2, 8: The content of this page is Copyright C , , Geoffrey T.

How to Date Jbl Speakers

I tested each and every one of the speakers listed here to be working, but I do not warrant that they will work as a direct replacement for what you intend to use them for. These USA manufactured Jensen speakers come from the golden age of vaccum tubes when output power was scarce. Most of these are high efficient speakers, which means that little power is needed to bring out considerable volume and quite a bit of detail.

The desirable of vintage guitar speakers is also non linearites in fruequency response and resonance frequencies as favoured by many guitar players. To be used with vintage amplifiers in the 10 to 30 W range.

Found as second stamping 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). Manufacturer Source Codes. Below are many manufacturer source codes (which are the first 2,3, or 4 digits of the source-date code).

External Speaker Policy Review Process flowchart PDF KB The University of Reading has a long and rich history as an academic institution that has regularly welcomed visiting speakers from around the world to its campuses. Such speakers have brought and continue to bring great diversity of experience, insight and opinion, enriching our events and activities and sparking discussion and debate among our students, staff and visitors alike. The purpose of this policy is to set in place a governing framework for visiting speakers to ensure that this proud heritage, where debate, challenge and dissent are not only permitted but expected, can continue for current and future generations.

Booking an external speaker Anyone organising an event as described above must follow the External Speaker Booking Process detailed below. The majority of external speaker requests will be straightforward and can be handled entirely at a local departmental level. In these cases, following the steps outlined in the “Local assessment of proposed external speaker s ” below will suffice.

However, some requests may be complex and may require referral for further consideration. The referral process will only apply in a minority of circumstances — to events or speakers deemed to be higher-risk. Local assessment of proposed external speaker s Prior to the confirmation of any external speaker, the event organiser will be responsible for assessing the speaker against the following set of questions: Has the speaker previously been prevented from speaking at Reading or another University or similar establishment or previously been known to express views that may be in breach of the External Speaker Code of Conduct?

LS Speaker’s tips on parliamentary code

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