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Reproduction Cabinets	Tweed & Tolex
Speakers	Grill Cloth
Handles	Transformers
Fender Bassman 100 cab -- how do you access the speakers?  Fender Twin Reverb Master Volume

Fender Twin Reverb (Silverface)

Schematic/Layout:

• twin_reverb_aa769.pdf
• twin_reverb_aa270.pdf
• 100W_Mast_Vol_SF_Twin_Rev.pdf
• twin_reverb_sf_135.pdf

Model/Circuit Number: AC568, AA769, AA270
Years of Production: 1968 - 1982
Era: Silverface
Configuration: Combo
Controls: Silver, forward facing w/ blue labels
Knobs: Black skirted w/ chrome center, numbered 1 - 10
Faceplate

• Front: 68-71: Normal: In, In, Bright Sw, Vol, Treb, Mid, Bass - Vibrato: In, In, Bright Sw, Vol, Treb, Mid, Bass, Rev, Speed, Intensity - Pilot Lamp ; 72-83: Normal: In, In, Bright Sw, Vol, Treb, Mid, Bass - Vibrato: In, In, Bright Sw, Vol, Treb, Mid, Bass, Rev,
• Rear: AC Outlet, Ground Sw, Fuse (2½A), Power Sw, Standby Sw, Speaker Jack, Ex. Speaker Jack, Vibrato Jack, Reverb Jack, Reverb Out, Reverb In

Cabinet

• Dimensions: 20 x 26 x 10½
• Hardware: Large Chassis Straps 5 5/8''
• Handle: Black Strap Handle
• Feet: Glides (68-71) or Casters (72-82)
• Corners: Corner Protectors

Covering Material

• Tolex/Tweed: Black Tolex
• Grill Cloth: Black/White/Silver

Logo: Grill mounted, raised, chrome & black script
Weight: 69 lbs.
Speaker

• Size: 2 x 12
• Impedance: 4 ohms
• Model: Oxford 12T6, Utah 12 (For more info, check out the Jensen Replacement Speakers)

Effects: Reverb, Tremolo
~Watts: 68-76: 100 Watts ; 77-82: 135 Watts
Tubes

• Pre amp: 7025
• Power: 4 x 6L6GC

Bias: Fixed, adjustment pot or balance pot
Rectifier: Solid State

Comments: A master volume was added in 1972. Other late seventies circuit changes included a Line Out jack, hum balance pot, and a pull boost sw. Fender switched back to the blackface era cosmetics some time in 1980. Twin Reverbs produced between late 1980 and 1982 have a black control panel and silver sparkle grille cloth.