Difference between revisions of "Nakamichi 630"
 
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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: [[Nakamichi]]
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* Manufacturer: [[Nakamichi]]
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* Modell: 630
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* Model: 630
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* Typ: Tuner-Vorverstärker
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* Type: Tuner preamplifier
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* Baujahre: 1977 - 1980
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* Years of manufacture: 1977 - 1980
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* Hergestellt in: Japan
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* Made in: Japan
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* Farbe: Schwarz
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* Color: Black
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* Fernbedienung:  
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* Remote control:  
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* Leistungsaufnahme: 20 W
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* Power consumption: 20 W
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* Abmessungen (BxHxT): 400 x 170 x 237 mm  
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* Dimensions (WxHxD): 400 x 170 x 237 mm  
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* Gewicht: 7 kg
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* Weight: 7 kg
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* Neupreis ca.: 1'600 DM
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* Original price approx.: 1'800 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, 2: 1 mV, umschaltbar 200 Ohm, 50 kOhm, 100 kOhm
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** Phono MM: switchable 1 mV, 2 mV, 5 mV / 100 kOhm.
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** Mikrofone 1 - 5: 0,2 mV / 1 kOhm
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** AUX: 100 mV / 100 kOhm
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** Tuner: 75 mV / 25 kOhm
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** Tape Play 1, 2: 100 mV / 100 kOhm
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** AUX 1, 2: 75 mV / 25 kOhm
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** Antenna: 75 Ohm, 300 Ohm
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** Tape Play: 230 mV / 75 kOhm
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* Number of outputs:
−
* Anzahl der Ausgänge:
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** Tape 1, 2 Rec: 100 mV / 50 kOhm
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** Tape 1, 2 Rec: 316 mV / 10 kOhm
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** Pre Out: 1 V / 10 kOhm
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** Monitor: 0 - 1 V / 1 kOhm
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** Headphones: 40 mW at 8 Ohm (6.3mm jack plug)
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** Pre Out: 316 mV / 10 kOhm
 
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** Kopfhörer: 40 mW an 8 Ohm (6,3mm Klinkenstecker)
 
  
  
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'''Technische Daten'''
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'''Technical Data'''
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* Frequenzgang:  
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−
** Phono: 30 - 15'000 Hz, ± 0,3 dB
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'''Preamplifier'''
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** Mikrofon: 30 - 100'000 Hz, + 0 dB, - 1,5 dB
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* Frequency response:  
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** Aux, Tuner: 20 - 100'000 Hz, + 0 dB, - 1,5 dB
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** Phono: 30 - 15'000 Hz
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** Tape: 10 - 50'000 Hz, ± 0,3 dB
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High level: 20 - 50'000 Hz
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* Klirrfaktor: < 0,005 %
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* Distortion factor: < 0,003 %
 
* Signalrauschabstand:  
 
* Signalrauschabstand:  
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** Phono: > 80 dB
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** Phono: >80 dB
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** Mikrofon: > 65 dB
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High level: &gt; 102 dB
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** Hochpegel: > 93 dB
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* Tone control
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* Klangregelung
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Bass: ± 9 dB / 20 Hz
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** Bass:  
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** Treble: ± 9 dB / 20 kHz
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** Höhen:  
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* Contour Filter: adjustable
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* Contour Filter: regelbar
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** at - 8: - 14 dB / 20 Hz, - 30 dB / 3 kHz, - 25 dB / 20 kHz  
−
** bei - 8: - 14 dB / 20 Hz, - 30 dB / 3 kHz, - 25 dB / 20 kHz  
 
 
* Loudness:  
 
* Loudness:  
 
* High Filter:
 
* High Filter:
 
* Low Filter (Subsonic):
 
* Low Filter (Subsonic):
 
* Mute:
 
* Mute:
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* Sinus Generator: 1 kHz, 3,16 kHz, 4,16 kHz, 10 kHz, 11 kHz, 13,16 kHz, 14,16 kHz
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* Direct/Line-Straight:
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* Rosa Rauschen: 50 - 15'000 Hz, ± 0,2 dB
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−
* Phase Check: Phasenüberprüfung der Eingänge
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 +
''Tuner''
 +
 
 +
* Reception: FM
 +
* Frequencies:
 +
** FM: 87.5 - 108 MHz
 +
* Frequency response: 50 Hz - 15 kHz, + 0 dB, - 1.5 dB
 +
* Input sensitivity
 +
FM: 1.5 µV
 +
* Distortion factor:
 +
** Wide: 0.08 %
 +
Narrow: 0.3
 +
* FM Dolby:
 +
** Dolby Off: 65 dB
 +
** Dolby On: 70 dB
 +
* Signal to noise ratio: 67 dB
 +
* Channel separation: 45 dB
 +
* Separation:
 +
** Wide: &gt; 45 dB
 +
** Narrow: &gt; 90 dB
 +
* Crosstalk attenuation:
 +
** Wide: &gt; 55 dB
 +
Narrow: &gt; 30 dB
 +
* Common mode selection: 1.0 dB
 +
* Spurious selection: 100 dB
 +
* IF attenuation: 100 dB
 +
* IF attenuation: 100 dB
 +
* AM suppression: 60 dB
  
  
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'''Besondere Ausstattungen'''
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'''Special Features'''
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* Mischpult für Mikrofone, Line Eingänge
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* Tape dubbing
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* Generator für Testton und Rosa Rauschen
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* FM muting
 +
* VHF Dolby
  
  
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== Bemerkungen ==
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== Comments ==
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* Weitere Modelle der gleichen Serie:
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* Other models in the same series:
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* Vorverstärker:
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* Preamplifier:
 
* [[Nakamichi 410]]
 
* [[Nakamichi 410]]
 
* [[Nakamichi 610]]
 
* [[Nakamichi 610]]
  
  
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* Endverstärker:
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* Power amplifier:
 
* [[Nakamichi 420]]
 
* [[Nakamichi 420]]
 
* [[Nakamichi 620]]
 
* [[Nakamichi 620]]
  
  
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* Tuner-Vorverstärker:  
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* [[Tuner Preamplifier]]:  
 
* [[Nakamichi 630]]
 
* [[Nakamichi 630]]
  
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== Bilder ==
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== Pictures ==
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* Auszug aus Prospekt: Nakamichi 610
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* Extract from brochure: Nakamichi 630
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[[Datei:Nakamichi 610-Prospekt-1.jpg]]
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[[File:Nakamichi 630-Prospekt-1.jpg]]
  
  
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== Berichte ==
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== Reports ==
 +
* Report in "FonoForum" 12 / 1977
  
  
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[[Kategorie:Vorverstärker]]
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[[Category:Preamp Tuner]]</0,003>

Latest revision as of 11:34, 21 April 2020

Data[edit]

General

  • Manufacturer: Nakamichi
  • Model: 630
  • Type: Tuner preamplifier
  • Years of manufacture: 1977 - 1980
  • Made in: Japan
  • Color: Black
  • Remote control:
  • Power consumption: 20 W
  • Dimensions (WxHxD): 400 x 170 x 237 mm
  • Weight: 7 kg
  • Original price approx.: 1'800 DM


Connections

  • Number of inputs:
    • Phono MM: switchable 1 mV, 2 mV, 5 mV / 100 kOhm.
    • AUX: 100 mV / 100 kOhm
    • Tape Play 1, 2: 100 mV / 100 kOhm
    • Antenna: 75 Ohm, 300 Ohm
  • Number of outputs:
    • Tape 1, 2 Rec: 100 mV / 50 kOhm
    • Pre Out: 1 V / 10 kOhm
    • Headphones: 40 mW at 8 Ohm (6.3mm jack plug)


Technical Data

Preamplifier

  • Frequency response:
    • Phono: 30 - 15'000 Hz

High level: 20 - 50'000 Hz

  • Distortion factor: < 0,003 %
  • Signalrauschabstand:
    • Phono: >80 dB

High level: > 102 dB

  • Tone control

Bass: ± 9 dB / 20 Hz

    • Treble: ± 9 dB / 20 kHz
  • Contour Filter: adjustable
    • at - 8: - 14 dB / 20 Hz, - 30 dB / 3 kHz, - 25 dB / 20 kHz
  • Loudness:
  • High Filter:
  • Low Filter (Subsonic):
  • Mute:
  • Direct/Line-Straight:


Tuner

  • Reception: FM
  • Frequencies:
    • FM: 87.5 - 108 MHz
  • Frequency response: 50 Hz - 15 kHz, + 0 dB, - 1.5 dB
  • Input sensitivity

FM: 1.5 µV

  • Distortion factor:
    • Wide: 0.08 %

Narrow: 0.3

  • FM Dolby:
    • Dolby Off: 65 dB
    • Dolby On: 70 dB
  • Signal to noise ratio: 67 dB
  • Channel separation: 45 dB
  • Separation:
    • Wide: > 45 dB
    • Narrow: > 90 dB
  • Crosstalk attenuation:
    • Wide: > 55 dB

Narrow: > 30 dB

  • Common mode selection: 1.0 dB
  • Spurious selection: 100 dB
  • IF attenuation: 100 dB
  • IF attenuation: 100 dB
  • AM suppression: 60 dB


Special Features

  • Tape dubbing
  • FM muting
  • VHF Dolby


Comments[edit]





Pictures[edit]

  • Extract from brochure: Nakamichi 630

Nakamichi 630-Prospekt-1.jpg


Reports[edit]

  • Report in "FonoForum" 12 / 1977


Links[edit]

</0,003>

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