Yamaha R-90

Data

General

• Manufacturer: Yamaha
• Model: R-90
• Year of manufacture: 1983 - 1984
• Made in: Japan
• Color: Silver
• Remote control: no
• Power consumption: 260 watts
• Dimensions: 435 x 122 x 386 mm
• Weight: 9.6 kg
• Original price approx.: 595 US-$ (1984), 1'500 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: 0.68 V/220 Ohm

Technical Data

Amplifier

• Continuous power (at distortion)
  • 8 Ohm: 2x 70 Watt at 0.015%.
  • 4 Ohm:
• 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: 0.07

Signal to Noise Ratio: 83 dB (Stereo IHF)

• Channel separation: 50 dB
• Selectivity: 85 dB
• Co-wave selection: 1.2 dB
• Spurious wave selection: 95 dB
• Image frequency attenuation: 75 dB
• IF attenuation: 95 dB
• AM suppression: 66 dB
• Station memory: 10

Special Features

• 2 pairs of speakers connectable
• Spatial Expander
• Mono/Stereo switch for UKW
• Bandwidth FM switchable

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-90