Also, the tubes hang down from the chassis. Vintage Guitars Info - dating vintage guitars, amps by date source code Dating Vintage Guitars and Amps by Source-Date Code. Ciruit wise this amp is an almost identical copy of the Fender Champ 5C1 circuit. It may be possible to get date codes off the potentiometers in the amp. This is good to know if you have a six number source code as the year number can then be lined up with the right decade to properly identify the year the amp was made. Jensen speakers came in varying quality levels. The remaining 3 or 4 digits are the date code.
I just loved the sound that the amp made. Till about 1961, Jensen was the only Fender speaker supplier. If you like the sound clean and round, change coupling caps to. His passing is a great loss to this research team and the Fender amp aficionado community in general. By fender and bass guitars, sennheiser.
Production Year Serial s Production Year Serial s 1947 A100 - A1305 1955 A18665 - A21910 1948 A1306 - A2665 1956 A21911 - A24755 1949 A2666 - A4410 1957 A24756 - A26820 1950 A4411 - A6595 1958 A26821 - A28880 1951 A6596 - A9420 1959 A28881 - A32285 1952 A9421 - A12460 1960 A32286 - A35645 1953 A12461 - A17435 1961 A35646 - A36150 1954 A17436 - A18665 1953 - 1961 Solid Body Electrics Gibson introduced a new pattern when they began producing solid body guitars. From 1952-1961, the F O N scheme followed the pattern of a letter, the batch number and an instrument ranking number when the guitar was built in the run of 40. Write out the source code and divide it into three sections. During the 1950's, Fender used mostly Stackpole 304 pots. I had many a good gig with my friends with it cranked with an Ibanez screaming through it without going deaf. Find great deals on for older gibson serial numbers. In most cases, only the upper end instruments were assigned identification numbers.
Other Date-Linked Features Aside from the logos, each era of manufacturing included certain identifying traits such as the hardware tuners, knobs, plates, etc. I have put a good bit of time into this, but it's by no means an exhaustive comparison, and anyone with much experience knows that tube amp sound is more than simply the components connected as defined by a schematic. Gibson amplifiers have become known amongst guitarists for their warm, consistent sound and reliability. Assuming they were all used sequentially and starting at 0100, there would be around 3700 non-master volume silverface Twin Reverbs and Dual Showman Reverbs out there. It is really nice fully cranked. Extension Speaker Jack: No Monitor Jack: No Watts Output: 4. Greg kept his illness very private, even from this author.
In addition, the dating-by-serial number tables have been revised and are more accurate. Breaks up easily, adaptable, simple to work on. Prior to the re-structuring of Jensen in '71-'72, Jensen quality had suffered terribly. They had a Professional series, a Concert series, and a Standard series. This seems silly, as we're talking about electronic parts not eggs.
While the serial numbers were randomly assigned and do not immediately tell you the age of the amp, Gibson has a large database of serial numbers that than can search to find out which year and week that your amp was made. These are notable for their rough black 'elephant hide' tolex, silver grill cloth, and Fender style 1-10 marked knobs see pic. It has a tremolo frequency control, no depth control, and a volume control that I believe serves as the power switch as well I don't remember. The standard today is no more than 18 months, but back in the 1950s and 1960s, who knows? However, while the intent was to maintain a more organized catalog, this system in practice achieved the exact opposite. But there are some obvious indicators—if it starts with a five, for instance. I collect information about these guitars, and of course the guitars themselves.
The suffix code letter identifies the quality of the speaker. Eventually, the hope is to have enough info for a more detailed breakdown on the B series, A+6 digit and F+6 digit series. Sometimes the enhanced models were the same as their corresponding base models, but other times there was little similarity beyond the model number. What I'm saying is that pot and capacitory date codes are not a reliable indicator of guitar build dates. Advances have been made with regards to the production of 1960-67 tolex amps and it appears that much of this information can be applied to late 1950s tweed amps as well. I should have had someone look at it first. On f-hole instruments, it is visible through the upper f-hole.
Having said that, in this example, if your amp has a tweed cover and the pot code dates to 1962 then we could fairly safely assume this amp was made in 1962. The first serialization started in 1902 and ran until 1947. When Rola started to make speaker for Jensen in 1972, Rola initially used the Jensen 220 manufacturer code, but by the end of 1972 changed to the 285 Rola code. There should be a space after the 1st digit with the 4 and 5 digit serial numbers, and no space with the 6 digit numbers. I am by no means a Gibson amp expert, although I'm slowly getting to know as many as possible. The first set of codes shows the type of magnet, size and quality of the speaker.
I have carefully removed the schematic and scanned it in for preservation. It's not a great sounding amp, but I keep it around anyway. There were minute changes to which letters were connected in the font between 1961 to 1981, but the main logo had the same look. Additional Guitar Serial Dating Pages:. Stackpole for example converted from three to four digit date codes in late 1959. You should be able to use this guide to determine the year of your instrument and then consult the to find its value, all for free.