Dating early fender amplifiers

Even at we struggle with keeping a correct amp and speaker model overview.

There are also exceptions to the rules where Fender delivered non-standard speakers in special orders, Christmas campaigns etc. See our Buyer’s guide to vintage Fender amps for a guide and picture gallery of the known original speakers in the blackface and silverface amps.

Leo Fender began building guitar amps before he started manufacturing guitars.

The first of these amps were the K&F models, which were produced between 19.

Our Buyer’s guide to vintage Fender amps explains in detail how you can date your amp by looking at serial numbers, tube charts, transformer codes, speaker codes, Fender logo, etc.

Lots of different speakers were used in the blackface and silverface era Fender amps.

I was thinking of trying a Celestion Gold 50, but I usually only play in my bedroom, and I don't want to increase the amp’s volume. Both amps produce very loud hum whether or not a guitar is plugged in. Or is there some other possible cause you can point me to? Most factory speakers in Fender amplifiers have what is known as an EIA code that specifies their manufacturer.

You should be able to find a number stamped somewhere on the speaker’s frame.

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On the inside wall of your amp cabinet, there may be a tube location sticker which shows the tube layout, model number, production location etc..("26" would mean the 26th week or approximately June).Here is an example: EIA 606-4-21 would mean the 21st week of 1964.Pots and speakers are usually stamped with a 6 or 7 digit code that can be dated as follows: The first 3 are the manufacturers code 137xxx = CTS 304xxx = Stackpole 140xxx = Clarostat 134xxx = Centralab 381xxx = Bourns 106xxx = Allen-Bradley Speaker Manufacturers codes 67xxx = Eminence 117xxx = Credence 137xxx = CTS 220xxx = Jensen 270xxx = Quam 285xxx = Rola 328xxx = Utah 391xxx = Altec/Lansing 433xxx = Cleveland 465xxx = Oxford 649xxx = EV 1098xxx = Pyle The next number(s) is (are) the year.was made can be determined through a variety of sources.In a BF Vibrolux Reverbs you could have either Jensen, CTS or Oxford, the BF Super Reverbs had Jensen, CTS, Oxford or sometimes JBL, the BF Pro Reverb had Jensen, Oxford or Utah, .In the silverface era Eminence, Oxford, Utah and Rola were more often used and Jensen was phased out.They are all very rare today and few have survived.The first amplifiers made in-house by Fender is the Woodie series, built in 1946 through 1948.It is also advisable to add about 6 months to the date to allow for time these parts may have spent in storage.There are other methods used to date "Silverface" amps, you will need to get the date codes from your speaker frame, tube chart or pots.

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