Sharp RT-20

Brand: Sharp

The Sharp RT-20 is a calculator that was released by the Sharp Corporation in the 1980s. It uses a Rechargeable Battery Pack with a capacity of 6 volts and a nominal voltage of 4.8 volts. This calculator is considered a vintage or historic calculator, as it predates the widespread use of desktop computers and smartphones with built-in calculators. Some features of the RT-20 include a 10-digit display, ROM-based functions such as trigonometric and logarithmic calculations, and a logarithmic and antilog keys. Its compact size and durable design make it a popular choice among collectors of vintage electronics.

• Type: 2-head, single compact cassette deck
• Track System: 4-track, 2-channel stereo
• Tape speed: 4.8 cm/s
• Heads: 1 x record/playback, 1 x erase
• Motor:
• Tape Type: type I, CrO2, Metal
• Noise Reduction: B
• Headroom Extension:
• Wow and Flutter: 0.09%
• Distortion: 1.5%
• Frequency Response: 40Hz to 15kHz  (Metal)
• Signal to Noise Ratio: 62dB  (dolby B)
• Analogue Inputs: 50mV (line), 0.2mV (mic)
• Analogue Outputs: 0.55V (line)
• Dimensions: 390 x 125 x 226 mm
• Weight: 3.8 kg
• Year:
• Price: