Model/Circuit Number: 5F10, 6G10 
Years of Production: 1955 – 1962
Era: Narrow Panel
Configuration: Combo
Controls: Chrome top facing w/ white screened labels, controls numbered 1-12
Knobs: Black Chicken Head
Faceplate

• Front: Fuse (¾A), Power Sw, Pilot Lamp, Tone, Vol, In, In, In
• Rear:

Cabinet

• Dimensions: 16 1/2” x 18” x 8 3/4”
• Hardware:
• Handle: Flat Leather
• Feet: Glides
• Corners:

Covering Material

• Tolex/Tweed: Diagonal Tweed
• Grill Cloth: Brown Grill Cloth

Logo: Cabinet mounted, Script
Weight:
Speaker

• Size: 1 x 10
• Impedance: 8 ohms
• Model: Jensen P10R(For more info, check out the Jensen Replacement Speakers)

Effects: None
~Watts: 10 watts
Tubes

• Pre amp: 6AV6 or 6AT6 and ½ 12AX7
• Power: 5F10: 2 x 6V6GT ; 6G10: 6V6

Bias: 5F10: Fixed bias, nonadjustable ; 6G10: Cathode bias
Rectifier: 5Y3GT

Comments: A selenium rectifier was used in the bias circuit of the 5F10. The Harvard was discontinued in 1962.