Difference between revisions of "Hitachi HA-4700"
 
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==Daten==
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==Data==
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{{Navigation}}
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{{navigation}}
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'''Allgemein'''
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'''General'''
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* Hersteller: [[Hitachi]]
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* Manufacturer: [[Hitachi]]
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* Modell: HA-4700
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* Model: HA-4700
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* Typ: Vollverstärker
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* Type: Integrated amplifier
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* Baujahre: 1979 - 1981
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* Years of manufacture: 1980 - 1982
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* Hergestellt in: Japan
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* Made in: Japan
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* Farbe: Silber
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* Color: Silver
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* Fernbedienung: nein
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* Remote control: no
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* Leistungsaufnahme:  
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* Power consumption: 430 W
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* Abmessungen (BxHxT): 435 x 83 x 299 mm   
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* Dimensions (WxHxD): 435 x 83 x 299 mm   
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* Gewicht: 6,3 kg  
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* Weight: 6.3 kg  
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* Neupreis ca.: 800 DM
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* Original price approx.: 548 DM
  
  
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'''Anschlüsse'''
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'''Connections'''
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* Anzahl der Eingänge:
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* Number of inputs:
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** Phono MM: 2,5 mV / 47 kOhm, 250 mV max.
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** Phono MM: 2.5 mV / 47 kOhm, 250 mV max.
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** Phono MC: 0,15 mV / 100 Ohm, 25 mV max.
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Phono MC: 0.15 mV / 100 Ohm, 25 mV max.
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** Tuner: 150 mV / 47 kOhm
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Tuner: 150 mV / 47 kOhm
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** Aux: 150 mV / 47 kOhm
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Aux: 150 mV / 47 kOhm
 
** Tape Play 1, 2: 150 mV / 47 kOhm
 
** Tape Play 1, 2: 150 mV / 47 kOhm
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** Tape Play DIN 1, 2:  
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** Tape Play DIN 1, 2: no
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* Anzahl der Ausgänge:
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* Number of outputs:
 
** Tape Rec 1, 2: 150 mV / 47 kOhm
 
** Tape Rec 1, 2: 150 mV / 47 kOhm
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** Tape Rec DIN 1, 2:  
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** Tape Rec DIN 1, 2: no
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** Kopfhörer
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** Headphones
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** 2 Lautsprecherpaare
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** 2 pairs of loudspeakers
  
  
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'''Technische Daten'''  
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'''Technical Data'''  
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* Dauerleistung (bei Klirrfaktor)
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* Continuous power (at distortion factor)
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** 8 Ohm: 2x 50 W bei 0,02%
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** 8 Ohm: 2x 50 W at 0.02% (DIN)
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** 4 Ohm: 2x 75 W
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** 4 Ohm: 2x 50 W at 0.02% (DIN)
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* Dynamikleistung
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* Total harmonic distortion: <0.02%
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** 8 Ohm:
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* Intermodulation distortion: <0.03%
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** 4 Ohm:
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* Attenuation factor: 40 dB at 1 kHz, 8 Ohm
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* Gesamtklirrfaktor: 0,02%
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* Frequency Response:
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* Intermodulationsverzerrung: 0,03%
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** Phono RIAA: ±0.3 dB, 30 - 15'000 Hz
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* Dämpfungsfaktor: 40
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** High level: +0.5 to -3.0 dB, 10 - 70'000 Hz
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* Frequenzgang:
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* Signal-to-noise ratio:  
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** Phono RIAA: ± 0,3 dB, 30 - 15'000 Hz
 
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** Hochpegel: 10 - 70'000 Hz
 
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* Signalrauschabstand:  
 
 
** Phono MM: 90 dB
 
** Phono MM: 90 dB
 
** Phono MC: 73 dB
 
** Phono MC: 73 dB
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** Hochpegel: 105 dB
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** High level: 105 dB
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* Klangregelung:
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* Tone control:
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** Bass: ± 8 dB bei 100 Hz  
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** Bass: ± 8 dB at 100 Hz  
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** Höhen: ± 8 dB bei 10 KHz  
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Treble: ± 8 dB at 10 KHz  
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* Loudness: + 6dB (100Hz), + 3dB (10kHz)
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* Loudness: + 6 dB (100Hz), + 4 dB (10kHz)
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* High Filter: Nein
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* High Filter: No
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* Low Filter (Subsonic): 15 Hz, - 6 dB / Oktave
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* Low Filter (Subsonic): 20 Hz, - 6 dB / octave
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* Mute:  
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* Mute: no
  
  
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'''Besondere Ausstattungen'''
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'''Special Features'''
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* LED Leistungsanzeigen
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* Super-linear bias amplifier with Class B MOS-FET output stage
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* LED power indicators
  
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== Remarks ==
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== Bemerkungen ==
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* Other models in the same series:
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* Weitere Modelle der gleichen Serie:
 
 
* [[Hitachi HA-2700]]
 
* [[Hitachi HA-2700]]
 
* [[Hitachi HA-3700]]
 
* [[Hitachi HA-3700]]
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== Bilder ==
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== Pictures ==
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* Auszug aus Prospekt: Hitachi HA-2700, HA-3700, HA-4700, HA-5700, HA-8700
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* Extract from brochure: Hitachi HA-2700, HA-3700, HA-4700, HA-5700, HA-8700
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[[Datei:Hitachi HA-2700-3700-4700-5700-8700-Prospekt-1.jpg]]
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[[File:Hitachi HA-2700-3700-4700-5700-8700-Prospekt-1.jpg]]
  
  
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== Berichte ==
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== Reports ==
  
  
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[[Kategorie:Vollverstärker]]
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[[Category:Integrated amplifier]]

Latest revision as of 00:50, 15 June 2019

Data[edit]

General

  • Manufacturer: Hitachi
  • Model: HA-4700
  • Type: Integrated amplifier
  • Years of manufacture: 1980 - 1982
  • Made in: Japan
  • Color: Silver
  • Remote control: no
  • Power consumption: 430 W
  • Dimensions (WxHxD): 435 x 83 x 299 mm
  • Weight: 6.3 kg
  • Original price approx.: 548 DM


Connections

  • Number of inputs:
    • Phono MM: 2.5 mV / 47 kOhm, 250 mV max.

Phono MC: 0.15 mV / 100 Ohm, 25 mV max. Tuner: 150 mV / 47 kOhm Aux: 150 mV / 47 kOhm

    • Tape Play 1, 2: 150 mV / 47 kOhm
    • Tape Play DIN 1, 2: no
  • Number of outputs:
    • Tape Rec 1, 2: 150 mV / 47 kOhm
    • Tape Rec DIN 1, 2: no
    • Headphones
    • 2 pairs of loudspeakers


Technical Data

  • Continuous power (at distortion factor)
    • 8 Ohm: 2x 50 W at 0.02% (DIN)
    • 4 Ohm: 2x 50 W at 0.02% (DIN)
  • Total harmonic distortion: <0.02%
  • Intermodulation distortion: <0.03%
  • Attenuation factor: 40 dB at 1 kHz, 8 Ohm
  • Frequency Response:
    • Phono RIAA: ±0.3 dB, 30 - 15'000 Hz
    • High level: +0.5 to -3.0 dB, 10 - 70'000 Hz
  • Signal-to-noise ratio:
    • Phono MM: 90 dB
    • Phono MC: 73 dB
    • High level: 105 dB
  • Tone control:
    • Bass: ± 8 dB at 100 Hz

Treble: ± 8 dB at 10 KHz

  • Loudness: + 6 dB (100Hz), + 4 dB (10kHz)
  • High Filter: No
  • Low Filter (Subsonic): 20 Hz, - 6 dB / octave
  • Mute: no


Special Features

  • Super-linear bias amplifier with Class B MOS-FET output stage
  • LED power indicators

Remarks[edit]


Pictures[edit]

  • Extract from brochure: Hitachi HA-2700, HA-3700, HA-4700, HA-5700, HA-8700

Hitachi HA-2700-3700-4700-5700-8700-Prospekt-1.jpg


Reports[edit]

Links[edit]

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