Editing Dual CR 1730

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__NOTOC__
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'''Allgemein'''  
== Data ==
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• Hersteller:       Dual
{{navigation}}
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• Modell:           CR 1730
'''General'''
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• Baujahre:         1980 - ?
* Manufacturer: [[Dual]]
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• Hergestellt in:   Japan
* Model: CR 1730
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• Farbe:             metallic-silber, metallic-braun
* Years of manufacture: 1979 - 1981
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• Fernbedienung:     nein
* Made in: Japan
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• Leistungsaufnahme: 310 W (bei Nennleistung), 500 W (maximal)
* Color: Metallic silver, Metallic brown
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• Abmessungen:       440 x 112 x 400 mm (BxHxT)
* Remote control: no
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• Gewicht:           8,7 kg
* Power consumption:  
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• Neupreis ca.:
* Dimensions: 440 x 112 x 400 mm (WxHxD).
 
* Weight: 9 kg
 
* Original price approx.: 698 DM
 
  
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'''Anschlüsse'''
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• Anzahl der Eingänge:
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        o Phono (MM): 1,8 mV / 47 kOhm, per Schalter auch 5,0 mV /47 kOhm, DIN und Cinch
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        o Tape 1 In: 200 mV / 470 kOhm (DIN und Cinch), Tape 2 In: 200 mV / 470 kOhm (Cinch an der Geräterückseite und 6,3 mm Klinkenstecker an der Gerätefront)
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        o AUX (DIN)
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        o Monitor In (Cinch)
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• Anzahl der Ausgänge:
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        o 2x Tape Out, Monitor Out
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        o Kopfhörer (6,3 mm Klinke, vorne)
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        o 2 Lautsprecherpaare
  
'''Connections'''
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'''Technische Daten'''
* Number of inputs:
 
** Phono (MM): 1.8 mV / 47 kOhm, by switch also 5.0 mV /47 kOhm, DIN and Cinch.
 
Tape 1 In: 200 mV / 470 kOhm (DIN and Cinch), Tape 2 In: 200 mV / 470 kOhm (Cinch on the rear panel and 6.3 mm jack plug on the front panel)
 
AUX (DIN)
 
** Monitor In (Cinch)
 
* Number of outputs:
 
** 2x Tape Out, Monitor Out
 
** Headphones (6.3 mm jack, front)
 
** 2 pairs of speakers
 
 
 
 
 
'''Technical Data'''
 
 
   
 
   
'''Amplifier'''  
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'''Verstärker'''  
* Continuous power (according to DIN)  
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• Dauerleistung (nach DIN)  
** 8 Ohm:
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        o 8 Ohm:
** 4 Ohm: 2 x 55 W
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        o 4 Ohm:     2 x 50 W
* Music power
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• Musikleistung
** 8 Ohm:
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        o 8 Ohm:
** 4 Ohm: 2 x 75 W
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        o 4 Ohm:     2 x 75 W
* Total harmonic distortion: 0.08% (2x 35 W, 1 kHz)
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• Gesamtklirrfaktor: 0,08% (2x 35 W, 1 kHz)
* Attenuation factor: > 20
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• Dämpfungsfaktor:   > 20
* Frequency response:  
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• Frequenzgang:  
** 10 - 30 kHz (DIN 45 500)  
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        o 10 30 kHz (DIN 45 500)  
10 - 40,000 Hz (± 1.5 dB)  
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        o 10 - 40.000 Hz (± 1,5 dB)  
* External voltage spacing: (DIN, nominal power)  
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• Fremdspannungsabstand: (DIN, Nennleistung)  
** Phono: 65 dB
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        o Phono: 65 dB
High level: 62 dB
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        o Hochpegel: 62 dB
* Noise voltage spacing:
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• Geräuschspannungsabstand:
** Phono: 80 dB
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        o Phono: 80 dB
High level: 90 dB
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        o Hochpegel: 90 dB
* Crosstalk attenuation:
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• Übersprechdämpfung:
** between channels: > 50 dB
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        o zwischen den Kanälen: > 50 dB
** between the inputs: > 65 dB
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        o zwischen den Eingängen: > 65 dB
* Tone control:  
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• Klangregelung:  
** Bass: yes, ± 14 dB at 40 Hz
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        o Bass: ja, ±14 dB bei 40 Hz
treble: yes, ± 14 dB at 15 kHz
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        o Höhen:         ja, ±14 dB bei 15 kHz
* Loudness: yes
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Loudness:               ja
* High Filter: yes, - 3 dB at 6.5 kHz (12 dB/octave)
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High Filter: ja, -3dB bei 6,5 kHz (12 dB/Oktave)
* Low Filter (Subsonic): yes, - 3 dB at 50 Hz (12 dB/octave)
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Low Filter (Subsonic): ja, -3dB bei 50 Hz (12 dB/Oktave)
 
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• Muting:                ja
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• Direct/Line-Straight:  nein
  
 
'''Tuner'''  
 
'''Tuner'''  
* Reception: FM, MW, LW.
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• Empfang:       UKW, MW, LW
* Frequencies:  
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• Frequenzen:  
** FM: 87.5 - 108 MHz
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        o UKW: 87,5 - 108 MHz
** MW: 510 - 1,620 kHz
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        o MW: 510 - 1.620 kHz
LW: 150 - 340 kHz
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        o LW: 150 340 kHz
* Frequency response: 40 Hz - 12.5 kHz  
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• Frequenzgang: 40 Hz 12,5 kHz  
* Input sensitivity:  
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• Eingangsempfindlichkeit:  
** VHF: 0.8 µV (mono), 25 µV (stereo)
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        o UKW: 0,8 µV (Mono), 25 µV (Stereo)
MW: 30 µV
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        o MW: 30 µV
LW: 30 µV
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        o LW: 30 µV
* Distortion factor: 0.2% (mono/stereo)
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• Klirrfaktor: 0,2% (Mono/Stereo)
* S/N ratio: 60 dB (mono), 62 dB (stereo)
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• Geräuschspannungsabstand: 60 dB (Mono), 62 dB (Stereo)
* Crosstalk attenuation at 1 kHz: 40 dB
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• Übersprechdämpfung bei 1 kHz: 40 dB
* Channel separation:  
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• Kanaltrennung:  
* Selectivity: 65 dB
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• Trennschärfe:           65 dB
* Co-wave selection:
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• Gleichwellenselektion:
* Spurious wave selection:
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• Nebenwellenselektion:
* IF immunity: 80 dB
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• Spiegelfrequenzfestigkeit: 80 dB
* IF noise immunity: 85 dB
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• ZF-Störfestigkeit:   85 dB
* AM suppression:
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AM-Unterdrückung:
* Station memory: 5
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• Ausgangspegel:  
 
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• RDS:   nein
 
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• Stationsspeicher:         5
'''Special Features'''
 
* FM muting
 
 
 
 
 
== Remarks ==
 
* Other models in the same series:
 
* [[Dual CR 1710]]
 
* [[Dual CR 1730]]
 
* [[Dual CR 1750]]
 
* [[Dual CR 1780]]
 
 
 
 
 
== Pictures ==
 
* Image: Dual CR 1730
 
[[File:Dual CR-1730-1.jpg]]
 
 
 
 
 
* Excerpt from brochure: Dual CR 1730
 
[[File:Dual CR-1730-Prospekt-1.jpg]]
 
 
 
 
 
== Reports ==
 
 
 
 
 
== Links ==
 
 
 
 
 
[[Category:Receiver]]
 

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