Difference between revisions of "Hitachi SR-903"

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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: [[Hitachi]]
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* Manufacturer: [[Hitachi]]
−
* Modell: SR-803
+
* Model: SR-903
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* Typ: Receiver
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* Type: Receiver
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* Baujahre: 1977 - 1978
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* Years of manufacture: 1977 - 1978
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* Hergestellt in: Japan
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* Made in: Japan
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* Farbe: Silber, Schwarz
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* Color: Silver, Black
−
* Fernbedienung: nein
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* Remote control: no
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* Leistungsaufnahme: 370 W
+
* Power consumption: 615 W
−
* Abmessungen: 490 x 144 x 400 mm (BxHxT)
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* Dimensions: 490 x 144 x 400 mm (WxHxD)
−
* Gewicht: 13 kg
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* Weight: 13.5 kg
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* Neupreis ca.: 1'098 DM
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* Original price approx.: 1'298 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:
−
** Phono: 2,5 mV / 47 kOhm, 220 mV max.
+
** Phono: 1.9 mV / 47 kOhm, 220 mV max.
 
** Aux: 150 mV / 50 kOhm
 
** Aux: 150 mV / 50 kOhm
 
** Tape Play 1, 2: 150 mV / 50 kOhm
 
** Tape Play 1, 2: 150 mV / 50 kOhm
−
** Tape Play DIN 1, 2: 450 mV / 80 kOhm
+
** Tape Play DIN 1, 2: 400 mV / 120 kOhm
−
** Antenne UKW / MW: 75 Ohm / 300 Ohm
+
Adapter: 150 mV / 50 kOhm
−
* Anzahl der Ausgänge:
+
** Antenna FM / MW: 75 Ohm / 300 Ohm
 +
* Number of outputs:
 
** Tape Rec 1, 2: 150 mV
 
** Tape Rec 1, 2: 150 mV
 
** Tape Rec DIN 1, 2: 40 mV
 
** Tape Rec DIN 1, 2: 40 mV
−
** 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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''Verstärker''
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''Amplifier''
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* Dauerleistung (DIN)
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* Continuous power (DIN)
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** 8 Ohm: 2x 50 W (RMS, 20 - 20'000 Hz)
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8 Ohm: 2x 75 W (RMS, 20 - 20'000 Hz)
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** 4 Ohm: 2x 70 W
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4 Ohm: 2x 110 W
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* Dynamikleistung
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* Dynamic power
−
** 8 Ohm:  
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** 8 Ohm: 2x 120 W
−
** 4 Ohm: 2x 90 W
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** 4 Ohm: 2x 160 W
−
* Gesamtklirrfaktor: 0,1 % (bei Nennleistung)
+
* Total harmonic distortion: 0.2 % (at nominal power)
−
* Dämpfungsfaktor: 45
+
* Attenuation factor: 45
−
* Frequenzgang: 10 - 40'000 Hz, ± 1,5 dB
+
* Frequency response: 10 - 30'000 Hz, ± 1 dB
−
* Signalrauschabstand: (Fremdspannung)
+
* Signal-to-noise ratio:
 
** Phono: 70 dB
 
** Phono: 70 dB
−
** Hochpegel: 85 dB
+
** High level: 87 dB
−
* Klangregelung:
+
* Tone control:
−
** Bass: ± 10 dB bei 100 Hz
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** Bass: ± 10 dB at 100 Hz
−
** Höhen: ± 10 dB bei 10 kHz
+
** Mid: ± 6 dB at 1 kHz
−
* Loudness: + 9 dB bei 100 Hz, + 4 dB bei 10 kHz  
+
Treble: ± 10 dB at 10 kHz
−
* High Filter: - 8 dB bei 10 kHz, 12 dB / Oktave
+
* Loudness: + 9 dB at 100 Hz, + 4 dB at 10 kHz  
−
* Low Filter (Subsonic): - 8 dB bei 50 Hz, 12 dB / Oktave
+
* High Filter: - 8 dB at 10 kHz, 12 dB / octave
 +
* Low Filter (Subsonic): - 8 dB at 50 Hz, 12 dB / octave
 
* Mute:  
 
* Mute:  
  
  
 
''Tuner''
 
''Tuner''
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* Empfang: UKW, MW
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* Reception: FM, MW
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* Frequenzen:
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* Frequencies:
−
** UKW: 88 - 108 MHz
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** FM: 88 - 108 MHz
−
** MW: 530 - 1'605 kHz
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MW: 530 - 1'605 kHz
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* Frequenzgang: 30 - 15'000 Hz, + 0,5 dB, - 1 dB
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* Frequency response: 30 - 15'000 Hz, ± 1 dB
−
* Eingangsempfindlichkeit:
+
* Input sensitivity:
−
** UKW: 1,5 µV
+
** FM: 1.5 µV
 
** MW: 20 µV
 
** MW: 20 µV
−
* Klirrfaktor:
+
* Distortion factor:
−
** UKW: 0,15% (Mono), 0,25% (Stereo)
+
** FM: 0.15% (mono), 0.25% (stereo)
−
** MW: 0,2%
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MW: 0.2%
−
* Signalrauschabstand:
+
Signal-to-noise ratio:
−
** UKW: 65 dB
+
** FM: 74 dB
−
** MW: 50 dB
+
** MW: 68 dB
−
* Kanaltrennung: 45 dB
+
* Channel separation: 45 dB
−
* Trennschärfe:
+
* selectivity:
−
** UKW: 53 dB
+
** FM: 80 dB
 
** MW: 40 dB
 
** MW: 40 dB
−
* Gleichwellenselektion:
+
* Equal wave selection:
−
** UKW: 1 dB
+
** FM: 1 dB
−
* Nebenwellenselektion: 100 dB
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* Spurious wave selection: 100 dB
−
* Spiegelfrequenzdämpfung:
+
* Mirror frequency attenuation:
−
** UKW: 85 dB
+
** FM: 85 dB
−
** MW: 70 dB
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MW: 70 dB
−
* ZF-Dämpfung:  
+
* IF attenuation:  
−
** UKW: 100 dB
+
** FM: 100 dB
 
** MW: 90 dB
 
** MW: 90 dB
−
* AM-Unterdrückung: 55 dB
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* AM suppression: 55 dB
  
  
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'''Besondere Ausstattungen'''
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'''Special Features'''
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* 2 VU-Meter
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* FM muting
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* UKW Muting
 
  
  
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== Bemerkungen ==
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== Remarks ==
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* Weitere Modelle der gleichen Serie:  
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* Other models in the same series:  
 
* [[Hitachi SR-503 L]]
 
* [[Hitachi SR-503 L]]
 
* [[Hitachi SR-603]]
 
* [[Hitachi SR-603]]
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== Bilder ==
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== Pictures ==
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* Auszug aus Prospekt: Hitachi SR-503 L, SR-603, SR-703, SR-803, SR-903
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* Extract from brochure: Hitachi SR-503 L, SR-603, SR-703, SR-803, SR-903
−
[[Datei:Hitachi SR-503 L-603-703-803-903-Prospekt-1.jpg|1600px]]
+
[[File:Hitachi SR-503 L-603-703-803-903-Prospekt-1.jpg|1600px]]
  
  
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== Berichte ==
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* Excerpt from brochure: Hitachi SR-903
 +
[[File:Hitachi SR-903-Prospekt-1.jpg]]
 +
 
 +
 
 +
== Reports ==
  
  
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[[Kategorie:Receiver]]
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[[Category:Receiver]]

Latest revision as of 02:00, 22 November 2019

Data[edit]

General

  • Manufacturer: Hitachi
  • Model: SR-903
  • Type: Receiver
  • Years of manufacture: 1977 - 1978
  • Made in: Japan
  • Color: Silver, Black
  • Remote control: no
  • Power consumption: 615 W
  • Dimensions: 490 x 144 x 400 mm (WxHxD)
  • Weight: 13.5 kg
  • Original price approx.: 1'298 DM


Connections

  • Number of inputs:
    • Phono: 1.9 mV / 47 kOhm, 220 mV max.
    • Aux: 150 mV / 50 kOhm
    • Tape Play 1, 2: 150 mV / 50 kOhm
    • Tape Play DIN 1, 2: 400 mV / 120 kOhm

Adapter: 150 mV / 50 kOhm

    • Antenna FM / MW: 75 Ohm / 300 Ohm
  • Number of outputs:
    • Tape Rec 1, 2: 150 mV
    • Tape Rec DIN 1, 2: 40 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 110 W

  • Dynamic power
    • 8 Ohm: 2x 120 W
    • 4 Ohm: 2x 160 W
  • Total harmonic distortion: 0.2 % (at nominal power)
  • Attenuation factor: 45
  • Frequency response: 10 - 30'000 Hz, ± 1 dB
  • Signal-to-noise ratio:
    • Phono: 70 dB
    • High level: 87 dB
  • Tone control:
    • Bass: ± 10 dB at 100 Hz
    • Mid: ± 6 dB at 1 kHz

Treble: ± 10 dB at 10 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, ± 1 dB
  • Input sensitivity:
    • FM: 1.5 µV
    • MW: 20 µV
  • Distortion factor:
    • FM: 0.15% (mono), 0.25% (stereo)

MW: 0.2% Signal-to-noise ratio:

    • FM: 74 dB
    • MW: 68 dB
  • Channel separation: 45 dB
  • selectivity:
    • FM: 80 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

  • FM muting


Remarks[edit]


Pictures[edit]

  • Extract from brochure: Hitachi SR-503 L, SR-603, SR-703, SR-803, SR-903

Hitachi SR-503 L-603-703-803-903-Prospekt-1.jpg


  • Excerpt from brochure: Hitachi SR-903

Hitachi SR-903-Prospekt-1.jpg


Reports[edit]

Links[edit]

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