Fender Bandmaster (Blonde)

Schematic/Layout:

bandmaster_6g7a.pdf

Model/Circuit Number: 6G7-A
Years of Production: 1961 - 1963
Era: Blonde
Configuration: Piggyback
Controls: Brown forward facing w/ white labels, controls numbered 1 - 10
Knobs: Cream Barrel
Faceplate

Front: Normal: In, In, Vol, Treb, Bass - Vibrato: In, In, Vol, Treb, Bass, Speed, Intensity - Presence - Pilot Lamp
Rear: Ground Sw, Fuse (3A), Power Sw, Standby Sw, Speaker Jack, Ex. Speaker Jack, Vibrato Jack

Cabinet

Dimensions: Head: 8 1/2'' x 24'' x 9'', 61: Ported Tone Ring, 21'' x 30'' x 11½'', 62-63: Sealed, 21'' x 32'' x 11½''
Hardware: Head: Large Chassis Straps 5 5/8'', Chrome Corners with Lip, Piggyback hardware. Cabinet: 16'' Tilt-Back Legs
Handle: Brown Plastic Strap or Black Strap (63-64) handle,
Feet: Glides
Corners: Chrome Corner with Lip, Large Chassis Straps

Covering Material

Tolex/Tweed: Rough Blonde
Grill Cloth: Oxblood (61-62) or Beige Brown (late 62-63)

Logo: Flat Brown Logo
Weight:
Speaker

Size: (61) 1 x 12 ; (62-63): 2 x 12
Impedance: (61) 8 ohms ; (62-63) 4 ohms
Model: Jensen C12N, Oxford 12K5R-1, Oxford 12M6-4, Oxford 12L6N-12 (For more info, check out the Jensen Replacement Speakers)

Effects: Tremolo
~Watts: 40 watts
Tubes

Pre amp: 4 x 7025, 2x 12AX7
Power: 2 x 5881

Bias: Fixed ; Unadjustable
Rectifier: Solid State (Silicon)

Comments: The 1x12 Extension cabinet produced in 1961 included a tone ring or what Fender called the "Projector ring." This was employed to "eliminate cancellation of front and rear radiation, thus permitting greater speaker efficiency and optimum performance of the enclosure."