You are here: Amp Guide » Fender Amp Field Guide » Fender Concert (Brown)

Looking for amp parts?
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 Concert (Brown)

Schematic/Layout:

• concert_6g12.pdf
• concert_6g12a.pdf

Model/Circuit Number: (59) 5G12 ; (60) 6G12 ; (60-63) 6G12-A
Years of Production: 1959 - 1963
Era:
Configuration: Combo
Controls: Brown forward facing w/ white screened labels, controls numbered 1-10
Knobs: Brown round
Faceplate

• Front: Normal: In, In, Bass, Treb, Vol - Vibrato: In, In, Bass, Treb, Vol, Speed, Intensity - Presense - Pilot Lamp (6G12-A)
• Rear: 6G12: Ground Sw, Fuse (3A), Power Sw, Standby Sw, Speaker Jack, Vibrato Jack

Cabinet

• Dimensions:
• Hardware: Large Chassis Straps 5 5/8''
• Handle: Brown plastic handle or (63) Black Strap
• Feet: Glides
• Corners:

Covering Material

• Tolex/Tweed: Pinkish Brown Tolex(59-61) or Brown Tolex (62-63)
• Grill Cloth: Brown (60-61), Maroon (61-62) or Wheat (62-63)

Logo: Grill mounted, flat, chrome & black script
Weight: 55 lbs.
Speaker

• Size: 4 x 10
• Impedance: 2 ohms
• Model: Jensen P10R, Jensen P10Q, Jensen C10R or Oxford 10K5 (For more info, check out the Jensen Replacement Speakers)

Effects: Tremolo
~Watts: 40 watts
Tubes

• Pre amp: 7025
• Power: 6G12: 2 x 6L6GC ; 6G12-A:2 x 5881

Bias: Fixed Bias, nonadjustable
Rectifier: Solid State

Comments: Tremolo: 2 x 7025 (6G12) or 2 x 7025 and ½ 12AX7 (6G12-A) (harmonic vibrato)