Difference between revisions of "Kenwood KR-7050 / 7750"

 
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Daten
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__NOTOC__
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== Data ==
 +
{{navigation}}
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'''General'''
 +
* Manufacturer: [[Kenwood]]
 +
* Model: KR-7050 / KR-7750 (Black aluminium front)
 +
* Years of manufacture: 1979 - 1980
 +
* Made in: Japan
 +
* Color: silver (KR-7050) black (KR-7750)
 +
* Remote control: no
 +
* Power consumption: 600 W (max)
 +
* Dimensions: 546 x 172 x 411 mm (WxHxD)
 +
* Weight: 17,2 kg
 +
* Original price approx.: 660 US-$ (1979), 1600 DM
  
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----
 
  
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Allgemein
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'''Connections'''
 +
* Number of inputs:
 +
** 1x Phono MM (Cinch):
 +
** 2x Tape In (Cinch/DIN):
 +
** AUX (Cinch): 1
 +
** Microphone:
 +
** Dolby NR In
 +
** Antenna FM (75/300 Ohm), AM
 +
* Number of outputs:
 +
** 2x Tape Out (RCA/DIN):
 +
** FM Quadradial
 +
** Dolby NR Out
 +
** Headphones (6.3 mm jack, front)
 +
** 2 pairs of loudspeakers
  
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    * Hersteller: Kenwood
 
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    * Modell: KR-7050 / 7750(Schwarze Alu Front)
 
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    * Baujahre: 1979/1980
 
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    * Hergestellt in: Japan
 
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    * Farbe: silber(KR-7050( schwarz KR-7750)
 
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    * Fernbedienung: nein
 
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    * Leistungsaufnahme: 600 W (max)
 
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    * Abmessungen: 557 x 166 x 344 mm (BxHxT)
 
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    * Gewicht: 20,6 kg
 
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    * Neupreis ca.:
 
  
 +
'''Technical Data'''
  
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Anschlüsse
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''Amplifier''
 +
* Continuous power (20-20,000 Hz)
 +
8 Ohm: 2x 80 W, 2x 85 W at 1 kHz
 +
4 Ohm: 2x 100 W
 +
* Dynamic Power Output
 +
** 8 Ohm:
 +
** 4 Ohm: 360 W
 +
* Total harmonic distortion: 
 +
* Attenuation Factor: 
 +
* Frequency Response:
 +
** Preamplifier:
 +
** Power bandwidth:
 +
* Signal-to-noise ratio:
 +
** Phono MM: 85 dB for 2.5 mV / 91 dB for 5.0 mV
 +
AUX, Tape: 108 dB for 200 mV
 +
** Microphone: 72 dB for 2.2 mV
 +
* Stereo channel separation:
 +
* Tone control:
 +
** Bass: ±12 dB at 50 Hz
 +
** Mid: ±10 dB at 800 Hz
 +
Treble: ±12 dB at 15 kHz
 +
* Loudness: 105 dB (100 Hz)
 +
* High Filter: 5 kHz 6 dB/oct
 +
* Subsonic Filter (DC Coupled off): 18 Hz 6 dB/oct
 +
* Mute: FM Muting
 +
* Direct/Line-Straight: yes (Tone Defeat)
  
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    * Anzahl der Eingänge:
 
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          o 2x Phono MM (Cinch): 2,5 mV / 50 kOhm
 
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          o 2x Tape In (Cinch/DIN): 150 mV / 80 kOhm
 
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          o AUX (Cinch): 150 mV / 80 kOhm
 
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          o Mikrofon: 2,5 mV / 50 kOhm
 
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          o Dolby NR In
 
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          o Antenne FM (75/300 Ohm), AM
 
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    * Anzahl der Ausgänge:
 
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          o 2x Tape Out (Cinch/DIN): 150 mV / 100 Ohm (Cinch); 30 mV / 80 kOhm (DIN)
 
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          o FM Quadradial
 
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          o Dolby NR Out
 
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          o Kopfhörer (6,3 mm Klinke, vorne)
 
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          o 3 Lautsprecherpaare
 
  
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''Tuner''
 +
* Reception: FM, MW
 +
* Frequencies:
 +
** FM: 87.5 - 108 MHz
 +
MW: 525 - 1605 kHz
 +
* Frequency response: 20 - 15,000 Hz (+0/-1.5 dB, FM)
 +
* Input sensitivity:
 +
** FM: 1.5 µV (IHF)
 +
MW: 10 µV
 +
Distortion factor:
 +
** FM: 0.15% (mono), 0.2% (stereo).
 +
* Signal-to-noise ratio:
 +
** FM: 75 dB (mono), 70 dB (stereo)
 +
MW: 50 dB
 +
* Channel separation:
 +
** FM: 45 dB (at 1 kHz)
 +
* Selectivity: (IHF)
 +
FM: 83 dB
 +
** MW: 35 dB
 +
* Equal wave selection:
 +
** FM: 1.3 dB
 +
* Spurious wave selection:
 +
** FM: 115 dB
 +
* Image frequency attenuation:
 +
** FM: 100 dB
 +
** MW: 70 dB
 +
* IF attenuation:
 +
** FM: 115 dB
 +
* AM suppression: 60 dB
  
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Technische Daten
 
  
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Verstärker
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'''Special Features'''
 +
* Microphone input front
 +
* Also available in black
  
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    * Dauerleistung (20-20.000 Hz)
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== Remarks ==
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          o 8 Ohm: 2x 120 W
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* Other models in the same series:
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          o 4 Ohm: 2x 150 W
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** [[Kenwood KR-2010]]
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    * Dynamikleistung
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** [[Kenwood KR-3010]]
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          o 8 Ohm:
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** [[Kenwood KR-4010]]
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          o 4 Ohm:
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** [[Kenwood KR-5010]]
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    * Gesamtklirrfaktor: 0,1% (bei Nennleistung)
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** [[Kenwood KR-7050 / 7750]]
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    * Dämpfungsfaktor: 50 (8 Ohm)
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** [[Kenwood KR-8050 / 8850]]
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    * Frequenzgang:
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** [[Kenwood KR-9050]]
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          o Vorverstärker: 10 - 40.000 Hz (±1 dB)
 
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          o Leistungsbandbreite: 5 - 40.000 Hz
 
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    * Signalrauschabstand:
 
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          o Phono MM: 70 dB
 
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          o AUX, Tape: 90 dB
 
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          o Mikrofon: 65 dB
 
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    * Stereokanaltrennung:
 
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    * Klangregelung:
 
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          o Bass: ±10 dB bei 100 Hz
 
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          o Mitten: ±10 dB bei 800 Hz
 
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          o Höhen: ±10 dB bei 10 kHz
 
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    * Loudness: +8/+5 dB (100 Hz/10 kHz)
 
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    * High Filter: -5dB bei 10 kHz
 
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    * Low Filter (Subsonic): -8 dB bei 100 Hz
 
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    * Mute: FM Muting
 
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    * Direct/Line-Straight: ja (Tone Defeat)
 
  
  
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Tuner
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== Pictures ==
 +
* Picture: Kenwood KR-7050
 +
[[File:Kenwood KR-7050-1.jpg|1000px]]
  
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    * Empfang: UKW, MW
 
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    * Frequenzen:
 
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          o UKW: 87,5 - 108 MHz
 
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          o MW: 525 - 1605 kHz
 
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    * Frequenzgang: 20 - 15.000 Hz (+0,5/-1,5 dB, UKW)
 
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    * Eingangsmpfindlichkeit:
 
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          o UKW: 1,7 µV (IHF)
 
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          o MW: 15 µV
 
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    * Klirrfaktor:
 
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          o UKW: 0,3% (Mono), 0,5% (Stereo)
 
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    * Signalrauschabstand:
 
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          o UKW: 68 dB (Mono), 72 dB (Stereo)
 
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          o MW: 60 dB
 
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    * Kanaltrennung:
 
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          o UKW: 40 dB (bei 1 kHz)
 
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    * Trennschärfe:
 
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          o UKW: 80 dB
 
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          o MW: 35 dB
 
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    * Gleichwellenselektion:
 
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          o UKW: 1,3 dB
 
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    * Nebenwellenselektion:
 
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          o UKW: 90 dB
 
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    * Spiegelfrequenzdämpfung:
 
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          o UKW: 80 dB
 
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          o MW: 70 dB
 
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    * ZF-Dämpfung:
 
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          o UKW: 100 dB
 
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          o MW: 70 dB
 
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    * AM-Unterdrückung: 55 dB
 
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    * Ausgangspegel:
 
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    * RDS: nein
 
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    * Stationsspeicher: nein
 
  
 +
== Reviews ==
 +
* Review by "Good Old Hifi": [[http://www.good-old-hifi.de/kenwood_kr-7050/]]
  
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Besondere Ausstattungen
 
  
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    * -
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== Links ==
 +
 
 +
[[Category:Receiver]]

Latest revision as of 08:23, 17 September 2019

Data[edit]

General

  • Manufacturer: Kenwood
  • Model: KR-7050 / KR-7750 (Black aluminium front)
  • Years of manufacture: 1979 - 1980
  • Made in: Japan
  • Color: silver (KR-7050) black (KR-7750)
  • Remote control: no
  • Power consumption: 600 W (max)
  • Dimensions: 546 x 172 x 411 mm (WxHxD)
  • Weight: 17,2 kg
  • Original price approx.: 660 US-$ (1979), 1600 DM


Connections

  • Number of inputs:
    • 1x Phono MM (Cinch):
    • 2x Tape In (Cinch/DIN):
    • AUX (Cinch): 1
    • Microphone:
    • Dolby NR In
    • Antenna FM (75/300 Ohm), AM
  • Number of outputs:
    • 2x Tape Out (RCA/DIN):
    • FM Quadradial
    • Dolby NR Out
    • Headphones (6.3 mm jack, front)
    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power (20-20,000 Hz)

8 Ohm: 2x 80 W, 2x 85 W at 1 kHz 4 Ohm: 2x 100 W

  • Dynamic Power Output
    • 8 Ohm:
    • 4 Ohm: 360 W
  • Total harmonic distortion:
  • Attenuation Factor:
  • Frequency Response:
    • Preamplifier:
    • Power bandwidth:
  • Signal-to-noise ratio:
    • Phono MM: 85 dB for 2.5 mV / 91 dB for 5.0 mV

AUX, Tape: 108 dB for 200 mV

    • Microphone: 72 dB for 2.2 mV
  • Stereo channel separation:
  • Tone control:
    • Bass: ±12 dB at 50 Hz
    • Mid: ±10 dB at 800 Hz

Treble: ±12 dB at 15 kHz

  • Loudness: 105 dB (100 Hz)
  • High Filter: 5 kHz 6 dB/oct
  • Subsonic Filter (DC Coupled off): 18 Hz 6 dB/oct
  • Mute: FM Muting
  • Direct/Line-Straight: yes (Tone Defeat)


Tuner

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

MW: 525 - 1605 kHz

  • Frequency response: 20 - 15,000 Hz (+0/-1.5 dB, FM)
  • Input sensitivity:
    • FM: 1.5 µV (IHF)

MW: 10 µV Distortion factor:

    • FM: 0.15% (mono), 0.2% (stereo).
  • Signal-to-noise ratio:
    • FM: 75 dB (mono), 70 dB (stereo)

MW: 50 dB

  • Channel separation:
    • FM: 45 dB (at 1 kHz)
  • Selectivity: (IHF)

FM: 83 dB

    • MW: 35 dB
  • Equal wave selection:
    • FM: 1.3 dB
  • Spurious wave selection:
    • FM: 115 dB
  • Image frequency attenuation:
    • FM: 100 dB
    • MW: 70 dB
  • IF attenuation:
    • FM: 115 dB
  • AM suppression: 60 dB


Special Features

  • Microphone input front
  • Also available in black

Remarks[edit]


Pictures[edit]

  • Picture: Kenwood KR-7050

Kenwood KR-7050-1.jpg


Reviews[edit]

  • Review by "Good Old Hifi": [[1]]


Links[edit]

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