Die-cast 1 piece chrome Mazac tremolo replaces 2 piece steel unit. 2nd string tree added on peghead to hold G and D strings. 1968 - Bronco, Bandmaster Reverb, Dual Showman reverb. 1969 - Super Bassman, Bassman 100, Bassman 135, Bantam Bass. 1972 - Bassman 10, Vibrosonic Reverb, Super 6 reverb, Quad reverb, Bantam Bass disc. Bandmaster Reverb, Dual Showman Reverb, Super Twin, Super Twin reverb, Studio Bass, all disc. 1982 - Champ II, Super Champ, Concert, Bassman 20, RGP-1, RPW-1."Bullet" truss rod adjusts at peghead instead of butt-end of neck. (The Tremolux was the first Fender with built in effect: Tremelo)1956 - The Vibrolux. The Super Reverb, Deluxe Reverb and Vibroverb all emerge. Pro Reverb, Super Reverb, Champ, Vibro Champ, Bassman 10, Vibrolux Reverb, musicmaster Bass and the 75, all disc.Possible culprits include the preamp tubes, the power tubes, the hum balance resistors, and the power supply caps.I have a 1965 Deluxe Reverb and am trying to figure out if it has a Utah or some other kind of speaker. I also have one of the newer Fender Pro Reverb amps with an effects loop and a silverface Twin Reverb with a volume control. Steve Goldner San Diego Hi Steve, Thanks for your questions. Figuring out which manufacturer’s speaker is in your amp shouldn’t pose a problem unless it’s some aftermarket mystery speaker with no markings.Thin "spaghetti" peghead decal logo, no patent numbers."Small" peghead, round string tree, truss rod adjusts at butt. Serial number on neck plate (except April to May 1954 models on back tremolo plate).Celluloid "mint green" three layer pickguard, with 11 attachment screws (some1959 transitional models have only 9 or 10 screws).Also a thin aluminum shield the size of the pickguard is installed underneath the pickguard.1961 Stratocaster : Peghead decal logo now has 2 patent numbers (2,573,254 & 2,741,146) 1962 Stratocaster : Peghead decal logo now has 3 patent numbers (2,960,900 added) Mid 1962 Stratocaster : Veneer Rosewood fingerboard.
"F" style tuning gears replaces "Kluson-Deluxe" gears.
Asymmetrical double cutaway body, contoured body on back and on lower bass bout (where forearm rests), 3 single coil pickups with exposed poles, jack angled into top, tremolo standard (but available without special order), 3 knobs (volume, tone, tone), gold plated parts optional till 1967.
1954 Stratocaster : Contoured ash body, two-color (yellow to brown) sunburst finish.
Around 1996-97 - Fender virtually stopped using Tweed on regular production model tube amps. The Blues Deluxe and Blues Deville got up-graded to Hot Rod status with an extra foot switch-able lead boost added for a quasi-3rd channel.
These two guys along with the Blues Junior are the mainstays of Fenders current tube army.