Grace F-9 P

Brand: Grace

The Grace F-9 P (practical) was a compact tabletop calculator designed and manufactured by Grace Electronics Corporation in the United States in the mid-1960s. It featured a four-function (addition, subtraction, multiplication, division) keypad with a decimal point, a lead-acid accumulator power supply, and a mechanical printer. The Grace F-9 P was popular among accounting and business professionals due to its affordability and portability, and it helped to usher in the era of desktop computing by making calculations faster and more accurate than manual methods.

• Type: Moving Magnet
• Output Voltage: mV
• Freq Response: 20Hz - 20kHz
• Tracking Force: 2.5 g
• Mass: 6 g
• Channel Separation: 28 dB
• Channel Balance: 1 dB
• Load Impedance: 47k Ω
• Output Impedance: 1700 Ω
• Stylus: RS-9P
• Stylus Tip: 0.65 mil Spherical
• Cantilever: Low Mass Alloy
• Dynamic Compliance: x 10-6cm/Dyne
• Static Compliance:
• Price: $190