Difference between revisions of "Hitachi SR-904"
 
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__NOTOC__
 
__NOTOC__
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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:
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* Manufacturer: [[Hitachi]]
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* Modell:
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* Model: SR-904
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* Baujahre:
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* Type: Receiver
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* Hergestellt in:
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* Years of manufacture: 1979 - 1980
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* Farbe:
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* Made in: Japan
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* Fernbedienung:
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* Color: Silver
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* Leistungsaufnahme:
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* Remote control: no
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* Abmessungen:
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* Power consumption: 250 W
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* Gewicht:
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* Dimensions: 490 x 144 x 400 mm (WxHxD)
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* Neupreis ca.:
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* Weight: 13,5 kg
 +
* Original price approx.: 1'200 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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** hier die Eingänge aufzählen (mit Empfindlichkeit/Impedanz)
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** Phono: 2.5 mV / 47 kOhm, 220 mV max.
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* Anzahl der Ausgänge:
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** Aux: 200 mV / 50 kOhm
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** hier die Ausgänge aufzählen (mit Pegel/Impedanz)
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** Tape Play 1, 2: 200 mV / 50 kOhm
 +
** Tape Play DIN 1, 2: 500 mV / 80 kOhm
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Adapter: 200 mV / 50 kOhm
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** Antenna FM / MW: 75 Ohm / 300 Ohm
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* Number of outputs:
 +
** Tape Rec 1, 2: 200 mV
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** Tape Rec DIN 1, 2: 50 mV
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Headphones
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** 2 pairs of loudspeakers
  
  
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'''Technische Daten'''
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'''Technical Data'''
  
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''Verstärker''
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''Amplifier''
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* Dauerleistung (bei Klirrfaktor)
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* Continuous power (DIN)
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** 8 Ohm:
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8 Ohm: 2x 75 W (RMS, 20 - 20'000 Hz)
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** 4 Ohm:
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4 Ohm: 2x 100 W
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* Dynamikleistung
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* Dynamic power
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** 8 Ohm:
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** 8 Ohm: 2x 150 W
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** 4 Ohm:
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** 4 Ohm:  
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* Gesamtklirrfaktor:
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* Total harmonic distortion: 0.09% (at nominal power)
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* Dämpfungsfaktor:
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* Attenuation factor: 45
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* Frequenzgang:
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* Frequency response: 10 - 40'000 Hz, ± 1,5 dB
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* Signalrauschabstand:
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* Power bandwidth: 8 - 40'000 Hz
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* Stereokanaltrennung:
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* Signal-to-noise ratio: (extraneous voltage)
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* Klangregelung:
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** Phono: 75 dB
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** Bass:
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** High level: 87 dB
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** Höhen:
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* Tone control:
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* Loudness:
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** Bass: ± 10 dB at 50 Hz, 100 Hz
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* High Filter:
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*** Tilt frequencies: 150 Hz, 300 Hz
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* Low Filter (Subsonic):
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** Mids: ± 6 dB at 1 kHz
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* Mute:
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Treble: ± 10 dB at 10 kHz, 20 kHz
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* Direct/Line-Straight:
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*** Tilt frequencies: 3 kHz, 6 kHz
 +
Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz
 +
* High Filter: - 8 dB at 10 kHz, 12 dB / octave
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* Low Filter (Subsonic): - 8 dB at 50 Hz, 12 dB / octave
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* Mute:  
  
  
 
''Tuner''
 
''Tuner''
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* Empfang:
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* Reception: FM, MW
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* Frequenzen:
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* Frequencies:
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** UKW:
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** FM: 88 - 108 MHz
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** etc..
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MW: 530 - 1'605 kHz
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* Frequenzgang:
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* Frequency response: 30 - 15'000 Hz, + 0,5 dB, - 1 dB
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* Eingangsmpfindlichkeit:
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* Input sensitivity:
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* Klirrfaktor:
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** VHF: 1.6 µV
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* Signalrauschabstand:
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MW: 20 µV
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* Kanaltrennung:
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* Distortion factor:
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* Trennschärfe:
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** FM: 0.2% (mono), 0.3% (stereo)
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* Gleichwellenselektion:
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MW: 0.2%
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* Nebenwellenselektion:
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Signal-to-noise ratio:
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* Spiegelfrequenzdämpfung:
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** FM: 74 dB / 68 dB (mono/stereo).
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* ZF-Dämpfung:
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** MW: 50 dB
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* AM-Unterdrückung:
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* Channel separation: 45 dB
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* Ausgangspegel:
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* Selectivity:
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* RDS:
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** FM: 85 dB
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* Stationsspeicher:
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** MW: 40 dB
 +
* Equal wave selection:
 +
** FM: 1 dB
 +
* Spurious wave selection: 100 dB
 +
* Mirror frequency attenuation:
 +
** FM: 85 dB
 +
MW: 70 dB
 +
* IF attenuation:  
 +
** FM: 100 dB
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** MW: 90 dB
 +
* AM suppression: 55 dB
  
  
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'''Besondere Ausstattungen'''
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'''Special Features'''
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* hier, wenn vorhanden
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* Pre-/power stage separable
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* 2 VU meters
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* VHF Muting, Auto Lock
  
  
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== Bemerkungen ==
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== Comments ==
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Weitere Modelle der gleichen Serie:
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* Other models in the same series:  
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* [[Hitachi SR-504]]
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* [[Hitachi SR-604]]
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* [[Hitachi SR-804]]
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* [[Hitachi SR-904]]
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* [[Hitachi SR-2004]]
  
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== Bilder ==
 
  
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== Berichte ==
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== Pictures ==
 +
* Image: Hitachi SR-904
 +
[[File:Hitachi SR-904-1.jpg|1600px]]
 +
 
 +
 
 +
== Reports ==
 +
* Review at "Good Old Hifi": [[http://www.good-old-hifi.de/hitachi_sr-904/]]
 +
 
 +
* Report at "Good Old Hifi": [[http://www.good-old-hifi.de/hitachi_sr-904-2/]]
 +
 
  
 
== Links ==
 
== Links ==
  
−
[[Kategorie:Receiver]]
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 +
[[Category:Receiver]]

Latest revision as of 09:57, 20 October 2018

Data[edit]

General

  • Manufacturer: Hitachi
  • Model: SR-904
  • Type: Receiver
  • Years of manufacture: 1979 - 1980
  • Made in: Japan
  • Color: Silver
  • Remote control: no
  • Power consumption: 250 W
  • Dimensions: 490 x 144 x 400 mm (WxHxD)
  • Weight: 13,5 kg
  • Original price approx.: 1'200 DM


Connections

  • Number of inputs:
    • Phono: 2.5 mV / 47 kOhm, 220 mV max.
    • Aux: 200 mV / 50 kOhm
    • Tape Play 1, 2: 200 mV / 50 kOhm
    • Tape Play DIN 1, 2: 500 mV / 80 kOhm

Adapter: 200 mV / 50 kOhm

    • Antenna FM / MW: 75 Ohm / 300 Ohm
  • Number of outputs:
    • Tape Rec 1, 2: 200 mV
    • Tape Rec DIN 1, 2: 50 mV

Headphones

    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power (DIN)

8 Ohm: 2x 75 W (RMS, 20 - 20'000 Hz) 4 Ohm: 2x 100 W

  • Dynamic power
    • 8 Ohm: 2x 150 W
    • 4 Ohm:
  • Total harmonic distortion: 0.09% (at nominal power)
  • Attenuation factor: 45
  • Frequency response: 10 - 40'000 Hz, ± 1,5 dB
  • Power bandwidth: 8 - 40'000 Hz
  • Signal-to-noise ratio: (extraneous voltage)
    • Phono: 75 dB
    • High level: 87 dB
  • Tone control:
    • Bass: ± 10 dB at 50 Hz, 100 Hz
      • Tilt frequencies: 150 Hz, 300 Hz
    • Mids: ± 6 dB at 1 kHz

Treble: ± 10 dB at 10 kHz, 20 kHz

      • Tilt frequencies: 3 kHz, 6 kHz

Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz

  • High Filter: - 8 dB at 10 kHz, 12 dB / octave
  • Low Filter (Subsonic): - 8 dB at 50 Hz, 12 dB / octave
  • Mute:


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 88 - 108 MHz

MW: 530 - 1'605 kHz

  • Frequency response: 30 - 15'000 Hz, + 0,5 dB, - 1 dB
  • Input sensitivity:
    • VHF: 1.6 µV

MW: 20 µV

  • Distortion factor:
    • FM: 0.2% (mono), 0.3% (stereo)

MW: 0.2% Signal-to-noise ratio:

    • FM: 74 dB / 68 dB (mono/stereo).
    • MW: 50 dB
  • Channel separation: 45 dB
  • Selectivity:
    • FM: 85 dB
    • MW: 40 dB
  • Equal wave selection:
    • FM: 1 dB
  • Spurious wave selection: 100 dB
  • Mirror frequency attenuation:
    • FM: 85 dB

MW: 70 dB

  • IF attenuation:
    • FM: 100 dB
    • MW: 90 dB
  • AM suppression: 55 dB


Special Features

  • Pre-/power stage separable
  • 2 VU meters
  • VHF Muting, Auto Lock


Comments[edit]


Pictures[edit]

  • Image: Hitachi SR-904

Hitachi SR-904-1.jpg


Reports[edit]

  • Review at "Good Old Hifi": [[1]]
  • Report at "Good Old Hifi": [[2]]


Links[edit]

Retrieved from "https://hifi-wiki.com/index.php?title=Hitachi_SR-904&oldid=145549"