Difference between revisions of "Kenwood KR-7400"
 
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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: [[Kenwood]]
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* Manufacturer: [[Kenwood]]
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* Modell: KR-7400
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* Model: KR-7400
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* Baujahre: 1974 - 1976
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* Years of manufacture: 1974 - 1976
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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:
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* Abmessungen: 480 x 151 x 344 mm (BxHxT)
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* Dimensions: 480 x 151 x 344 mm (WxHxD).
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* Gewicht: 14 kg
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* Weight: 14 kg
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* Neupreis ca.: 2358 DM
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* Original price approx.: 540 US-$, 2'358 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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** 2x Phono MM (Cinch): 2,5 mV / 50 kOhm
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** 2x Phono MM (Cinch): 2.5 mV / 50 kOhm
−
** 2x Tape In (Cinch/DIN): 150 mV / 80 kOhm
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2x Tape In (Cinch/DIN): 150 mV / 80 kOhm
 
** AUX (Cinch): 150 mV / 80 kOhm
 
** AUX (Cinch): 150 mV / 80 kOhm
 
** 4 Channel In
 
** 4 Channel In
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** Mikrofon: 2,5 mV / 50 kOhm
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** Microphone: 2,5 mV / 50 kOhm
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** Antenne FM (75/300 Ohm), AM
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** Antenna FM (75/300 Ohm), AM
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* Anzahl der Ausgänge:
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* Number of outputs:
 
** 2x Tape Out (Cinch/DIN): 150 mV / 100 Ohm (Cinch); 30 mV / 80 kOhm (DIN)   
 
** 2x Tape Out (Cinch/DIN): 150 mV / 100 Ohm (Cinch); 30 mV / 80 kOhm (DIN)   
 
** 4 Channel Out
 
** 4 Channel Out
−
** FM Quadradial
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FM Quadradial
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** Kopfhörer (6,3 mm Klinke, vorne)
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** Headphones (6.3 mm jack, front)
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** 3 Lautsprecherpaare
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** 3 Loudspeaker Pairs
  
  
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'''Technische Daten'''
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'''Technical Specifications'''
  
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''Verstärker''
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''Amplifier''
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* Dauerleistung
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* Continuous power
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** 8 Ohm: 2x 63 W (20-20.000 Hz)
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8 Ohm: 2x 63 W (20-20,000 Hz)
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** 4 Ohm: 2x 75 W (1 kHz)
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4 Ohm: 2x 75 W (1 kHz)
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* Dynamikleistung
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* Dynamic power
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** 8 Ohm:
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** 8 Ohm: 208 W
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** 4 Ohm:
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** 4 Ohm: 290 W
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* Gesamtklirrfaktor: 0,3% (bei Nennleistung)
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* Total harmonic distortion: 0.3% (at nominal power)
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* Dämpfungsfaktor: 50 (8 Ohm)
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* Attenuation factor: 50 (8 Ohm)
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* Frequenzgang:  
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* Frequency response:  
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** Vorverstärker: 10 - 40.000 Hz (±1 dB)
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** Preamplifier: 10 - 40,000 Hz (±1 dB).
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** Leistungsbandbreite: 5 - 35.000 Hz
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** Power bandwidth: 5 - 35,000 Hz
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* Signalrauschabstand:
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* Signal-to-noise ratio:
 
** Phono MM: 70 dB
 
** Phono MM: 70 dB
 
** AUX, Tape: 90 dB
 
** AUX, Tape: 90 dB
−
** Mikrofon: 65 dB
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** Microphone: 65 dB
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* Stereokanaltrennung:
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* Stereo channel separation:
−
* Klangregelung:
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* Tone control:
−
** Bass: ±10 dB bei 100 Hz
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** Bass: ±10 dB at 100 Hz
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** Mitten: ±10 dB bei 800 Hz
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** Mid: ±10 dB at 800 Hz
−
** Höhen: ±10 dB bei 10 kHz
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Treble: ±10 dB at 10 kHz
 
* Loudness: +8/+5 dB (100 Hz/10 kHz)
 
* Loudness: +8/+5 dB (100 Hz/10 kHz)
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* High Filter: -10 dB bei 10 kHz
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* High Filter: -10 dB at 10 kHz
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* Low Filter (Subsonic): -8 dB bei 100 Hz
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* Low Filter (Subsonic): -8 dB at 100 Hz
 
* Mute: FM Muting
 
* Mute: FM Muting
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* Direct/Line-Straight: nein
 
  
  
 
''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: 87,5 - 108 MHz
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** FM: 87.5 - 108 MHz
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** MW: 525 - 1.605 kHz
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MW: 525 - 1,605 kHz
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* Frequenzgang: 20 - 15.000 Hz (+0,5/-1,5 dB, UKW)
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* Frequency response: 20 - 15,000 Hz (+0.5/-1.5 dB, FM)
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* Eingangsmpfindlichkeit:
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* Input sensitivity:
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** UKW: 1,7 µV (IHF)
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** FM: 1.7 µV (IHF)
−
** MW: 15 µV
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MW: 15 µV
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* Klirrfaktor:
+
Distortion factor:
−
** UKW: 0,3% (Mono), 0,5% (Stereo)
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** FM: 0.3% (mono), 0.5% (stereo).
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* Signalrauschabstand:
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* Signal-to-noise ratio:
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** UKW: 70 dB (Stereo)
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** FM: 70 dB (stereo)
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** MW: 45 dB
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MW: 45 dB
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* Kanaltrennung:
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* Channel separation:
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** UKW: 40 dB (bei 1 kHz)
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** FM: 40 dB (at 1 kHz).
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* Trennschärfe:
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* Selectivity:
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** UKW: 80 dB
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** FM: 80 dB
 
** MW: 35 dB
 
** MW: 35 dB
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* Gleichwellenselektion:
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* Equal wave selection:
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** UKW: 1,3 dB
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** FM: 1.3 dB
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* Nebenwellenselektion:
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* Spurious wave selection:
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** UKW: 100 dB
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** FM: 100 dB
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* Spiegelfrequenzdämpfung:
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* Image frequency attenuation:
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** UKW: 90 dB
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** FM: 90 dB
 
** MW: 70 dB
 
** MW: 70 dB
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* ZF-Dämpfung:  
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IF attenuation:  
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** UKW: 100 dB
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** FM: 100 dB
 
** MW: 70 dB
 
** MW: 70 dB
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* AM-Unterdrückung: 90 dB
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* AM suppression: 90 dB
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* Ausgangspegel:
 
−
* RDS: nein
 
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* Stationsspeicher: nein
 
  
  
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'''Besondere Ausstattungen'''
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'''Special Features'''
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* -
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* Connection for 4-channel adapter
 +
* FM Quadradial output
  
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== Bemerkungen ==
 
−
Weitere Modelle der gleichen Serie:
 
−
* [[Kenwood KR-1400|KR-1400]]
 
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* [[Kenwood KR-2400|KR-2400]]
 
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* [[Kenwood KR-3400|KR-3400]]
 
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* [[Kenwood KR-4400|KR-4400]]
 
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* [[Kenwood KR-5400|KR-5400]]
 
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* [[Kenwood KR-6400|KR-6400]]
 
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* [[Kenwood KR-7400|KR-7400]]
 
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* [[Kenwood KR-9400|KR-9400]]
 
  
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== Bilder ==
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== Remarks ==
 +
* Other models in the same series:
 +
** [[Kenwood KR-1400]]
 +
** [[Kenwood KR-2400]]
 +
** [[Kenwood KR-3400]]
 +
** [[Kenwood KR-4400]]
 +
** [[Kenwood KR-5400]]
 +
** [[Kenwood KR-6400]]
 +
** [[Kenwood KR-7400]]
 +
** [[Kenwood KR-9400]]
 +
 
 +
 
 +
== Pictures ==
 +
* Image: Kenwood KR-7400
 +
[[Datei:Kenwood KR-7400-1.jpg]]
 +
 
 +
 
 +
* Excerpt from brochure: Kenwood KR-7400
 +
[[Datei:Kenwood KR-7400-Prospekt-2.jpg]]
 +
 
 +
 
 +
== Reports ==
  
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== Berichte ==
 
  
 
== Links ==
 
== Links ==
  
−
[[Kategorie:Receiver]]
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[[Category:Receiver]]

Latest revision as of 04:10, 3 July 2018

Data[edit]

General

  • Manufacturer: Kenwood
  • Model: KR-7400
  • Years of manufacture: 1974 - 1976
  • Made in: Japan
  • Color: silver
  • Remote control: no
  • Power consumption:
  • Dimensions: 480 x 151 x 344 mm (WxHxD).
  • Weight: 14 kg
  • Original price approx.: 540 US-$, 2'358 DM


Connections

  • Number of inputs:
    • 2x Phono MM (Cinch): 2.5 mV / 50 kOhm

2x Tape In (Cinch/DIN): 150 mV / 80 kOhm

    • AUX (Cinch): 150 mV / 80 kOhm
    • 4 Channel In
    • Microphone: 2,5 mV / 50 kOhm
    • Antenna FM (75/300 Ohm), AM
  • Number of outputs:
    • 2x Tape Out (Cinch/DIN): 150 mV / 100 Ohm (Cinch); 30 mV / 80 kOhm (DIN)
    • 4 Channel Out

FM Quadradial

    • Headphones (6.3 mm jack, front)
    • 3 Loudspeaker Pairs


Technical Specifications

Amplifier

  • Continuous power

8 Ohm: 2x 63 W (20-20,000 Hz) 4 Ohm: 2x 75 W (1 kHz)

  • Dynamic power
    • 8 Ohm: 208 W
    • 4 Ohm: 290 W
  • Total harmonic distortion: 0.3% (at nominal power)
  • Attenuation factor: 50 (8 Ohm)
  • Frequency response:
    • Preamplifier: 10 - 40,000 Hz (±1 dB).
    • Power bandwidth: 5 - 35,000 Hz
  • Signal-to-noise ratio:
    • Phono MM: 70 dB
    • AUX, Tape: 90 dB
    • Microphone: 65 dB
  • Stereo channel separation:
  • Tone control:
    • Bass: ±10 dB at 100 Hz
    • Mid: ±10 dB at 800 Hz

Treble: ±10 dB at 10 kHz

  • Loudness: +8/+5 dB (100 Hz/10 kHz)
  • High Filter: -10 dB at 10 kHz
  • Low Filter (Subsonic): -8 dB at 100 Hz
  • Mute: FM Muting


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 87.5 - 108 MHz

MW: 525 - 1,605 kHz

  • Frequency response: 20 - 15,000 Hz (+0.5/-1.5 dB, FM)
  • Input sensitivity:
    • FM: 1.7 µV (IHF)

MW: 15 µV Distortion factor:

    • FM: 0.3% (mono), 0.5% (stereo).
  • Signal-to-noise ratio:
    • FM: 70 dB (stereo)

MW: 45 dB

  • Channel separation:
    • FM: 40 dB (at 1 kHz).
  • Selectivity:
    • FM: 80 dB
    • MW: 35 dB
  • Equal wave selection:
    • FM: 1.3 dB
  • Spurious wave selection:
    • FM: 100 dB
  • Image frequency attenuation:
    • FM: 90 dB
    • MW: 70 dB

IF attenuation:

    • FM: 100 dB
    • MW: 70 dB
  • AM suppression: 90 dB


Special Features

  • Connection for 4-channel adapter
  • FM Quadradial output


Remarks[edit]


Pictures[edit]

  • Image: Kenwood KR-7400

Datei:Kenwood KR-7400-1.jpg


  • Excerpt from brochure: Kenwood KR-7400

Datei:Kenwood KR-7400-Prospekt-2.jpg


Reports[edit]

Links[edit]

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