Yamaha R-70

Data

General

• Manufacturer: Yamaha
• Model: R-70
• Type: Receiver
• Years of manufacture: 1983 - 1984
• Made in: Japan
• Color: Silver
• Remote control: no
• Power consumption: 200 watts
• Dimensions: 435 x 122 x 386 mm
• Weight: 8.3 kg
• Original price approx.: 1'200 DM

Connections

• Number of inputs:
  • Phono MM/MC, MM: 2.5 mV/47 KOhm, MC: 160 µV/100 Ohm.
  • Aux, 2x Tape: 120 mV/47 KOhm
• Number of outputs:
  • 2x Rec-Out: 120 mV/4,7 KOhm
  • Headphones: 0.67 V/220 Ohm

Technical Data

Amplifier

• Continuous power (at distortion factor)

8 Ohm: 2x 45 Watt at 0.015%, 2x 55 Watt according to DIN

• • 4 Ohm: 2x 79 Watt at 0,006%
• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: 0.008%
• Attenuation factor: 40
• Frequency response: 10 - 30000 Hz
• Signal to noise ratio: 100 dB
• Tone control:
  • CCSS system (fixed programmed tone curves, adjustable).
• Loudness: adjustable
• Subsonic: 15 Hz/12 dB, fixed
• Mute: no
• Direct/Line-Straight: no
• Stereo channel separation: 60 dB

Tuner

• Reception: FM, MW
• Frequencies:
  • FM: 87.5 - 108 MHz
  • MW: 510 - 1620 KHz
• Frequency response:
• Input sensitivity: 1.2µV/28µV (Mono/Stereo DIN).
• Distortion factor: 0.15%

Signal to Noise Ratio: 81 dB (Stereo IHF)

• Channel separation: 40 dB
• Selectivity: 50 dB
• Co-wave selection: 1.5 dB
• Spurious wave selection: 70 dB
• Image frequency attenuation: 50 dB
• IF attenuation: 90 dB
• AM suppression: 60 dB
• Station memory: 10

Special Features

• 2 pairs of speakers connectable
• Spatial Expander
• 10 FM or AM memories
• Automatic tuning

Comments

• Other models in the same series:
• Yamaha R-30
• Yamaha R-50
• Yamaha R-70
• Yamaha R-90
• Yamaha R-100

Pictures

• Extract from brochure: Yamaha R-70