The Tremolux is appreciated for its simple and basic circuit. The video clip demonstrates a blonde Tremolux, which is quite similar to the blackface. The Tremolux uses only one 12ax7 tube in the preamp section in both channels before the signal enters the phase inverter. One does not reach the sweet spot as early as with the Reverb-amps with an additional gain stage in the preamp section. The sound is nice and clean and the tone remains relatively clean when one turns the volume knob. What does the blackface Tremolux sound like? It feels very much like the blackface Bandmaster, the normal channel of the Vibrolux Reverb and Pro Reverb or the normal channel of the earliest blackface Bassman (AA864). All these things add up to an amp with less volume, less clean headroom and more sag/compression a more forgiving tone. The Tremolux had smaller transformers (power and output) than the Bassman and Bandmaster. The Tremolux speaker cabinet was 2×10″ and not 2×12″. The blackface Tremolux and Bandmaster (AB763) are almost identical amps, just that the Tremolux is sized for smaller events and gigs. The Tremolux had tube rectifier, while the blackface Bandmaster had diode. The blackface Fender Tremolux was produced just a few years between 19 and had one circuit model the blackface Tremolux AA763. In terms of power and clean headroom it is the smallest of all the Fender piggy back amps. Its history is much less complex than the bigger Bassman and Bandmaster amps who experienced a rapid development in terms of different circuit models and tube configurations. The production date code for the amplifier.AA763 Tube layout (Seen from behind, V1 is to the right side) The last line will have 2 letters of theĪlphabet either printed or written by hand. "sign-offs" at the completion of sound and electrical tests, Is a Black and Silver label, which contains several lines for Which may be found on the back of the amp chassis. This code is located on the "QA" (Quality Assurance) sticker, Manufactured after 1989 include a date code on the amplifier. An example would be: EIAĦ06-4-21 would mean the 21st week of 1964. The last twoĭigits would refer to the week of the year i.e. If four digits are present, the first two digits Present, the first digit would refer to the year i.e. Numbers always begin with "606", and are followed by three orįour digits in various combinations. Transformers may help you to determine the date of production onĪmps that fall between the different dating schemes. These codes are for amps with the serial number beginning with a Therefore, if you have a push-pull pot, your amp is 1974 or newer.Īmps do not have a date code stamped on the tube location chart. A push-pull pot was added to some amps in 1974.In 1973, Fender removed the "Tail" from the logo.Making them a little less desirable than the blackface amps.Ī good amp tech can make these sound great. Silverface Amps began in 1968, when Fender made circuit changes to most amps, Silverface amps with aluminum trim surrounding the grill cloth are 1968 models.Fender Blackface amps & early Silverface amps used cloth covered wire." Pre-CBS" Blackface Original Amp Knobs have the set screw at the number "10".Early Fender Electric Blackface amps from 1964 and some into early 1965ĭid not have a Fender Logo on the grillcloth." Pre-CBS" Blackface Amps are labeled "Fender Electric Instruments".Īfter CBS bought Fender in 1965, amps were labeled "Fender Musical Instruments".Serial number that is stamped on the right rear of the chassis Here is a list of the first letter showing the year of An amp stamped NA would have been made in Jan. This information is not for commercial use,Īnd cannot be copied, posted, pasted or otherwise used in anyĪmp)- the first letter is the year, and the second letter is the Dating, Speaker code & Tube Information Superior Music - Fender Amp, Amplifier Serial Numbers
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