Stereo Integrated Amplifier RA-414

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1978–1981 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 154042

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 100 or 120 or 220 or 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 70 W (80 W max.)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Stereo Integrated Amplifier RA-414 - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 144 x 273 mm / 16.9 x 5.7 x 10.7 inch
  • Notes

  • Stereo Integrated Amplifier 35 watts per channel. Connections for two pairs of loudspeakers (A and B). Phono magnetic/ceramic, Tuner, Aux, Tape 1 & 2, Low & High filters, Loudness, Mode Stereo/Reverse/Mono, Speakers A & B. Treble, Bass, Volume & two big power meters. Jack for Headphones.

    Power Amplifier Section :
    Continuous Power Output :
    35 watts per channel, min. RMS both channels driven into 8 Ω or
    40 watts per channel, min. RMS both channels driven into 4 Ω
    from 20Hz to 20kHz with no more than 0.07% Total Harmonic Distortion
    Harmonic Distortion Aux ........:  ≤ 0.07% at rated power output 20Hz to 20kHz
    Intermodulation Distortion Aux :  ≤ 0.07% at 1kHz (50Hz:7kHz = 4:1)
    Damping Factor ................... :  35 (20Hz to 20kHz , 8Ω)
    Speaker Impedance ..............:  A,B (4 to 16Ω), A+B (8 to 16Ω)
    Headphone Impedance ..........:  4 to 16Ω

    Pre-Amplifier Section :
    Input Sensitivity/Impedance:
           Phono MM ....................:  2.5mV/45kΩ
           Phono Ceramic .............:  120mV/280kΩ
           Aux/Tape In...................:  150mV/40kΩ
    Output Level Tape Out ..........:  300mV/1kΩ RCA Jack ; 100mV/90kΩ DIN Jack
    Frequency Response :  
           Phono ..........................:  30Hz - 15kHz, ± 0.5dB  (RIAA Equalization)
           Aux/Tape In ..................:  7Hz - 50kHz +1dB, -1dB
    Hum and Noise :
           Phono ..........................:  78dB
           Aux/Tape In ..................:  92dB

    Versions/Power Requirements
    120 V AC 60Hz
    220 V AC 50Hz
    240 V AC 50Hz
    100/117/220/240 V AC 50-60Hz Switchable (Not available in UK, Canada or Scandinavia)

  • Net weight (2.2 lb = 1 kg)
  • 8.9 kg / 19 lb 9.7 oz (19.604 lb)
  • Price in first year of sale
  • 230.00 $
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Owner's Manual for the RA-414 date stamped 27 Dec 1978)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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