Difference between revisions of "Dual CR 1750"

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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: [[Dual]]
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* Manufacturer: [[Dual]]
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* Modell: CR 1780
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* Model: CR 1750
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* Baujahre: 1979 - 1981
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* Years of manufacture: 1979 - 1981
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* Hergestellt in: Japan
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* Made in: Japan
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* Farbe: Metallic Silber, Metallic Braun
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* Color: Metallic silver, Metallic brown
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* Fernbedienung: nein
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* Remote control: no
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* Leistungsaufnahme: 450 W (bei Nennleistung)
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* Power consumption: 450 W (at rated power)
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* Abmessungen: 440 x 150 x 405 mm (BxHxT)
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* Dimensions: 440 x 150 x 405 mm (WxHxD)
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* Gewicht: 14 kg
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* Weight: 14 kg
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* Neupreis ca.: 1'398 DM
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* Original price approx.: 1'198 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): 1,5 mV / 47 kOhm
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** Phono (MM): 1.5 mV / 47 kOhm
 
** AUX, Monitor In, 2x Tape In: 150 mV / 470 kOhm
 
** AUX, Monitor In, 2x Tape In: 150 mV / 470 kOhm
 
** Main In
 
** Main In
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* Anzahl der Ausgänge:
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* Number of outputs:
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** 2x Tape Out, Monitor Out
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** 2x Tape Out, Monitor Out: 320 mV, DIN 10 mV
 
** Pre Out
 
** Pre Out
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** Kopfhörer (6,3 mm Klinke, vorne)
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** Headphones (6.3 mm jack, front)
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** 2 Lautsprecherpaare
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** 2 pairs of speakers
  
  
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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 (at distortion)
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** 8 Ohm: 2x 80 W
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8 Ohm: 2x 50 W
 
** 4 Ohm:
 
** 4 Ohm:
−
* Dynamikleistung
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* Dynamic power
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** 8 Ohm: 2x 120 W
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** 8 Ohm: 2x 75 W
 
** 4 Ohm:
 
** 4 Ohm:
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* Gesamtklirrfaktor: 0,04% (2x 80 W, 1 kHz)
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* Total harmonic distortion: 0,04 %
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* Dämpfungsfaktor: > 20
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* Attenuation factor: > 20
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* Frequenzgang:  
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* Frequency response:  
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** 10 - 60.000 Hz (DIN 45 500)  
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** 10 - 60,000 Hz (DIN 45 500)  
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** 10 - 40.000 Hz (±1,5 dB)  
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10 - 40,000 Hz (±1.5 dB)  
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* Signalrauschabstand: (DIN, Nennleistung)  
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* Signal-to-noise ratio: (DIN, nominal power)  
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** Phono: > 62 dB
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** Phono: > 65 dB
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** Hochpegel: > 80 dB
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High level: > 85 dB
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* Stereokanaltrennung:
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* Stereo channel separation:
−
* Klangregelung:
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* Tone control:
−
** Bass: ja, ±15 dB bei 50 Hz
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** Bass: yes, ±15 dB at 50 Hz
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** Höhen: ja, ±15 dB bei 15 kHz
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treble: yes, ±15 dB at 15 kHz
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* Loudness: ja
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* Loudness: yes
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* High Filter: ja, -3dB bei 8,5 kHz (12 dB/oct)
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* High Filter: yes, -3dB at 8.5 kHz (12 dB/oct)
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* Low Filter (Subsonic): ja, -3dB bei 70 Hz (12 dB/oct)
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* Low Filter (Subsonic): yes, -3dB at 70 Hz (12 dB/oct)
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* Mute: ja
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* Mute: yes
 
* Direct/Line-Straight:
 
* Direct/Line-Straight:
  
  
 
''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:
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** UKW: 87,5 - 104,05 MHz
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** FM: 87.5 - 104.05 MHz
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** MW: 513 - 1.602 kHz
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MW: 513 - 1,602 kHz
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* Frequenzgang: 40 - 12.500 Hz  
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* Frequency response: 40 - 12,500 Hz  
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* Eingangsmpfindlichkeit:
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* Input sensitivity:
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** UKW: 0,6 µV (Mono), 18 µV (Stereo)
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** FM: 0.6 µV (mono), 18 µV (stereo).
−
** MW: 15 µV  
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MW: 15 µV  
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* Klirrfaktor: 0,3% (Mono/Stereo)
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* Distortion factor: 0.3% (mono/stereo)
−
* Signalrauschabstand: 60 dB (Mono/Stereo)
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Signal-to-noise ratio: 60 dB (mono/stereo)
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* Kanaltrennung:  
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* Channel separation:  
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* Trennschärfe: 85 dB
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* Selectivity: 85 dB
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* Gleichwellenselektion:
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* Co-wave selection:
−
* Nebenwellenselektion:
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* Spurious wave selection:
−
* Spiegelfrequenzdämpfung: 75 dB
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* Image frequency attenuation: 75 dB
−
* ZF-Dämpfung: 100 dB
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* IF attenuation: 100 dB
−
* AM-Unterdrückung:
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* AM suppression:
−
* Ausgangspegel: für TB(1kHz,5mV am Phono-Eingang) an cinch-> 320mV; an DIN(10kOhm)-> 10mV
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* Output level: for TB(1kHz,5mV at phono input) at cinch-> 320mV; at DIN(10kOhm)-> 10mV.
−
* RDS: nein
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RDS: no
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* Stationsspeicher: 6
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* Station memory: 6
  
  
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'''Besondere Ausstattungen'''
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'''Special Features'''
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* Auftrennbare Vor-/Endstufe
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* Separable pre-/power stage
  
  
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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:
 +
* [[Dual CR 1710]]
 
* [[Dual CR 1730]]
 
* [[Dual CR 1730]]
 
* [[Dual CR 1750]]
 
* [[Dual CR 1750]]
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== Bilder ==
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== Pictures ==
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* Bild: Dual CR 1780
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* Extract from brochure: Dual CR 1750
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[[Datei:Dual CR-1780-1.jpg]]
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[[File:Dual CR-1750-1.jpg]]
  
  
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* Auszug aus Prospekt: Dual CR 1750 / CR 1780
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* Extract from brochure: Dual CR 1750 / CR 1780
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[[Datei:Dual CR-1750-CR-1780-Prospekt-1.jpg]]
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[[File:Dual CR-1750-CR-1780-Prospekt-1.jpg]]
  
  
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== Berichte ==
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== Reports ==
  
  
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[[Kategorie:Receiver]]
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[[Category:Receiver]]

Latest revision as of 09:35, 12 June 2019

Data[edit]

General

  • Manufacturer: Dual
  • Model: CR 1750
  • Years of manufacture: 1979 - 1981
  • Made in: Japan
  • Color: Metallic silver, Metallic brown
  • Remote control: no
  • Power consumption: 450 W (at rated power)
  • Dimensions: 440 x 150 x 405 mm (WxHxD)
  • Weight: 14 kg
  • Original price approx.: 1'198 DM


Connections

  • Number of inputs:
    • Phono (MM): 1.5 mV / 47 kOhm
    • AUX, Monitor In, 2x Tape In: 150 mV / 470 kOhm
    • Main In
  • Number of outputs:
    • 2x Tape Out, Monitor Out: 320 mV, DIN 10 mV
    • Pre Out
    • Headphones (6.3 mm jack, front)
    • 2 pairs of speakers


Technical Data

Amplifier

  • Continuous power (at distortion)

8 Ohm: 2x 50 W

    • 4 Ohm:
  • Dynamic power
    • 8 Ohm: 2x 75 W
    • 4 Ohm:
  • Total harmonic distortion: 0,04 %
  • Attenuation factor: > 20
  • Frequency response:
    • 10 - 60,000 Hz (DIN 45 500)

10 - 40,000 Hz (±1.5 dB)

  • Signal-to-noise ratio: (DIN, nominal power)
    • Phono: > 65 dB

High level: > 85 dB

  • Stereo channel separation:
  • Tone control:
    • Bass: yes, ±15 dB at 50 Hz

treble: yes, ±15 dB at 15 kHz

  • Loudness: yes
  • High Filter: yes, -3dB at 8.5 kHz (12 dB/oct)
  • Low Filter (Subsonic): yes, -3dB at 70 Hz (12 dB/oct)
  • Mute: yes
  • Direct/Line-Straight:


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 87.5 - 104.05 MHz

MW: 513 - 1,602 kHz

  • Frequency response: 40 - 12,500 Hz
  • Input sensitivity:
    • FM: 0.6 µV (mono), 18 µV (stereo).

MW: 15 µV

  • Distortion factor: 0.3% (mono/stereo)

Signal-to-noise ratio: 60 dB (mono/stereo)

  • Channel separation:
  • Selectivity: 85 dB
  • Co-wave selection:
  • Spurious wave selection:
  • Image frequency attenuation: 75 dB
  • IF attenuation: 100 dB
  • AM suppression:
  • Output level: for TB(1kHz,5mV at phono input) at cinch-> 320mV; at DIN(10kOhm)-> 10mV.

RDS: no

  • Station memory: 6


Special Features

  • Separable pre-/power stage


Remarks[edit]


Pictures[edit]

  • Extract from brochure: Dual CR 1750

Dual CR-1750-1.jpg


  • Extract from brochure: Dual CR 1750 / CR 1780

Dual CR-1750-CR-1780-Prospekt-1.jpg


Reports[edit]

Links[edit]

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