Difference between revisions of "Nakamichi SR-4 E"

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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: SR-4E
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* Model: SR-4E
−
* Baujahre: um 1988-1990
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* Type: Receiver
−
* Hergestellt in: Japan
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* Years of manufacture: 1988 - 1990
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* Farbe: schwarz
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* Made in: Japan
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* Fernbedienung: nein
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* Color: Black
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* Leistungsaufnahme: max. 350W
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* Remote control: no
−
* Abmessungen: 430 x 100 x 370 mm (BxHxT)
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* Power consumption: max. 350 W
−
* Gewicht: 9,8 kg
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* Dimensions (WxHxD): 430 x 100 x 370 mm  
−
* Neupreis ca.:  
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* Weight: 9.8 kg
 +
* Original price approx.: 2'500 DM
  
  
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'''Anschlüsse'''
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'''Connections'''
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* Anzahl der Eingänge:
+
* Number of inputs:
 
** 2x Video/Aux (200 mV, 20 kOhm)
 
** 2x Video/Aux (200 mV, 20 kOhm)
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** 1x VCR/Tape2 (200 mV, 20 kOhm)
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1x VCR/Tape2 (200 mV, 20 kOhm)
−
** 1x Tape In (200 mV, 20 kOhm)
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1x Tape In (200 mV, 20 kOhm)
−
** 1x CD In (200 mV, 20 kOhm)
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1x CD In (200 mV, 20 kOhm)
−
** Phono (MM 140 mV; 47kOhm / MC 3/8 mV; 100 Ohm )
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Phono (MM 140 mV; 47kOhm / MC 3/8 mV; 100 Ohm )
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** FM-Antenne (75/300 Ohm)
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** FM antenna (75/300 Ohm)
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** AM-Antenne
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** AM antenna
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* Anzahl der Ausgänge:
+
* Number of outputs:
 
** 1x Tape Out
 
** 1x Tape Out
 
** 1x Video/Tape2 Out
 
** 1x Video/Tape2 Out
 
** 1x Monitor Out
 
** 1x Monitor Out
−
** Kopfhörer (6,3mm Klinke)
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** Headphones (6,3mm jack)
−
** 2 Lautsprecherpaare
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** 2 pairs of speakers
−
 
 
 
** Processor Loop OUT/IN f. Equalizer/ Surround
 
** Processor Loop OUT/IN f. Equalizer/ Surround
  
  
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'''Technische Daten'''
+
'''Technical Data'''
−
 
 
−
''Verstärker''
 
−
* Sinus Dauerleistung
 
−
** 8 Ohm: 2x 60 W (DIN),
 
  
−
* Impulsleistung
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''Amplifier''
 +
* Sine continuous power
 +
8 Ohm: 2x 60 W (DIN),
 +
* pulse power
 
** 8 Ohm: 2x 85W
 
** 8 Ohm: 2x 85W
 
** 4 Ohm: 2x 125W
 
** 4 Ohm: 2x 125W
−
* Gesamtklirrfaktor: 0,1% (bei Nennleistung)
+
* Total harmonic distortion: 0.1% (at nominal power)
−
* Dämpfungsfaktor: 77 (8 Ohm)
+
* Attenuation factor: 77 (8 Ohm)
−
* Frequenzgang: 20 - 20.000 Hz (+0; -1 dB, Deutschlandmodell)
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* Frequency response: 20 - 20,000 Hz (+0; -1 dB, Germany model)
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* Frequenzgang: 20 - 20.000 Hz (+0; -0,5 dB, sonnst
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* Frequency response: 20 - 20,000 Hz (+0; -0.5 dB, Germany model)
−
* Frequenzgang: 5 - 45.000 Hz (+0; -3 dB, Deutschlandmodell)
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* Frequency response: 5 - 45,000 Hz (+0; -3 dB, Germany model)
−
* Frequenzgang: 5 - 75.000 Hz (+0; -3 dB, sonnst)
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* Frequency response: 5 - 75,000 Hz (+0; -3 dB, otherwise)
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* Signalrauschabstand:
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* Signal-to-noise ratio:
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** Phono: besser 78 dB MM; 71 dB MC
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** Phono: better 78 dB MM; 71 dB MC
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** Endstufe: besser 105 dB  
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** Power amplifier: better 105 dB  
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* Klangregelung:
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* Tone control:
−
** Bass: ja
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** Bass: yes
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** Mitten: nein
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** Mids: no
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** Höhen: ja
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treble: yes
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* Loudness: variabel Loudness
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* Loudness: variable Loudness
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* Subsonic: Ja
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* Subsonic: yes
−
* Mute: Ja
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* Mute: Yes
 
* Direct/Line-Straight:  
 
* Direct/Line-Straight:  
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* Stereokanaltrennung:
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''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: 87,4 - 108 MHz
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** FM: 87.4 - 108 MHz
 
** MW: 515 - 1.611 kHz  
 
** MW: 515 - 1.611 kHz  
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* Frequenzgang: 20 - 15000 Hz  
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* Frequency response: 20 - 15,000 Hz  
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* Eingangsmpfindlichkeit:
+
* Input sensitivity:
−
** UKW Mono: 23 dBf / 7.7 müV  
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** FM Mono: 23 dBf / 7.7 müV  
−
** UKW Stereo: 43 dBf / 77.4 müV  
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VHF Stereo: 43 dBf / 77.4 müV  
−
** MW: 53 dB mü/m   
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MW: 53 dB mü/m   
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* Klirrfaktor UKW: kleiner 0,2%
+
Distortion factor FM: less than 0.2  
−
* Klirrfaktor MW: kleiner 0,3%
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Distortion factor MW: less than 0.3
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* Signalrauschabstand: 74 dB (Mono), 69 dB (Stereo)
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Signal-to-noise ratio: 74 dB (mono), 69 dB (stereo)
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* Fremdspannungsabstand:  
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* Signal-to-noise ratio:  
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* Kanaltrennung: besser 43 dB (1kHz)
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* Channel separation: better 43 dB (1kHz)
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* Trennschärfe UKW: 70 dB (+/-300kHz)
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* selectivity FM: 70 dB (+/-300kHz)
−
* Trennschärfe MW : 20 dB (+/-9kHz)
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* selectivity MW : 20 dB (+/-9kHz)
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* Gleichwellenselektion: 2.0 dB
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* Co-wave selection: 2.0 dB
−
* Nebenwellenunterdrückung: besser 90dB
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* Spurious suppression: better 90 dB
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* Spiegelfrequenzdämpfung: besser 75 dB
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* IF attenuation: better 75 dB
−
* ZF-Dämpfung: besser 80dB
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* IF attenuation: better 80 dB
−
* AM-Unterdrückung: besse 60 dB
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* AM rejection: better 60 dB
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* Ausgangspegel:
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* Output level:
−
* RDS: nein
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* RDS: no
−
* Stationsspeicher: 10
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* Station memory: 10
  
  
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'''Besondere Ausstattungen'''
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'''Special Features'''
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* Fernbedienung
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* Remote control
  
  
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== Bemerkungen ==
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== Remarks ==
−
Weitere Modelle der gleichen Serie: SR2-E; SR3-E
+
* Other models in the same series:
−
Nachfolgeserie: TA2-E ..TA4-E
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* [[Nakamichi SR-2 E]]
 +
* [[Nakamichi SR-3 E]]
 +
* [[Nakamichi SR-4 E]]
  
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STASIS - Schaltung in Lizenz Threshold Co.
 
  
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== Bilder ==
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* [[Successor series:
 +
* [[Nakamichi TA-2 E]]
 +
* [[Nakamichi TA-3 E]]
 +
* [[Nakamichi TA-4 E]]
  
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== Berichte ==
 
−
* Reiner Kruse bei hifi-reparatur.de (2. April 2014):
 
−
"Die von Thereshold entwickelte Stasis Schaltung, Garant für laststabile Stromversorgung im niedrigohmigen Leistungsbereich, werkelte in den bekannten Endstufen, und in den flachen Receivern!
 
  
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Die Sr2,3 und ,4 Receiver waren fernbedienbar, hatten eine gut klingende Phonosektion (der 2er leider nur MM) und natürlich einen hervorragenden Tuner eingebaut.
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* STASIS - circuit licensed to [[Threshold|Threshold Co.]]
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Klanglich neigen dies Teile zu einer natürlichen, eher tiefen und breiten, als hohen Bühne.
+
 
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Ein SR4 klingt viel natürlicher als z.B. ein [[Accuphase E-206]], der lauter und größer spielt, aber wesentlich unmusikalischer.
+
 
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Details werden wunderbar aufgelöst mit der Betonung der Feinheiten und Strukturen, im besten Sinne analytisch.
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== Pictures ==
−
Dabei sehen die Teile noch schick aus und sind gut stellbar, halt keine Trümmer."
+
 
 +
 
 +
== Reports ==
 +
* Rainer Kruse at hifi-classic-reparatur.de (April 2, 2014), see also link below:
 +
* "The Stasis circuit developed by Threshold, guarantor for load stable power supply in the low impedance power range, worked in the well-known power amplifiers, and in the flat receivers!".
 +
 
 +
The SR-2,3 and 4 receivers, the SR-4 even remote controllable, had a good sounding phono section (the 2 unfortunately only MM) and of course an excellent tuner built in.
 +
Sound-wise, these parts tend to have a natural low and wide, rather than high, stage.
 +
* An SR-4 sounds much more natural than, say, an [[Accuphase E-206]], which plays louder and bigger, but much less musical.
 +
Details are beautifully resolved with an emphasis on subtleties and textures, analytical in the best sense.
 +
* At the same time the parts still look smart and are well adjustable, just no debris.<br />
 +
* If you get your hands on a semi-maintained unit today, after more than 20 years, they run flawlessly. A manufacturing quality that the Europeans and Yanks were running after!"
 +
 
 +
 
 +
* Report in "FonoForum" 7 / 1988
 +
 
  
 
== Links ==
 
== Links ==
 +
* [https://hifi-classic-reparatur.de/2014/04/nakamichi-eben-nicht-nur-tape-decks/ Nakamichi SR receiver review with nice catalogue picture at hifi-classic-reparatur.de] from April 2, 2014, retrieved December 17, 2017.
 +
 +
  
−
[[Kategorie:Receiver]]
+
[[Category:Receiver]]

Latest revision as of 13:59, 21 April 2020

Data[edit]

General

  • Manufacturer: Nakamichi
  • Model: SR-4E
  • Type: Receiver
  • Years of manufacture: 1988 - 1990
  • Made in: Japan
  • Color: Black
  • Remote control: no
  • Power consumption: max. 350 W
  • Dimensions (WxHxD): 430 x 100 x 370 mm
  • Weight: 9.8 kg
  • Original price approx.: 2'500 DM


Connections

  • Number of inputs:
    • 2x Video/Aux (200 mV, 20 kOhm)

1x VCR/Tape2 (200 mV, 20 kOhm) 1x Tape In (200 mV, 20 kOhm) 1x CD In (200 mV, 20 kOhm) Phono (MM 140 mV; 47kOhm / MC 3/8 mV; 100 Ohm )

    • FM antenna (75/300 Ohm)
    • AM antenna
  • Number of outputs:
    • 1x Tape Out
    • 1x Video/Tape2 Out
    • 1x Monitor Out
    • Headphones (6,3mm jack)
    • 2 pairs of speakers
    • Processor Loop OUT/IN f. Equalizer/ Surround


Technical Data

Amplifier

  • Sine continuous power

8 Ohm: 2x 60 W (DIN),

  • pulse power
    • 8 Ohm: 2x 85W
    • 4 Ohm: 2x 125W
  • Total harmonic distortion: 0.1% (at nominal power)
  • Attenuation factor: 77 (8 Ohm)
  • Frequency response: 20 - 20,000 Hz (+0; -1 dB, Germany model)
  • Frequency response: 20 - 20,000 Hz (+0; -0.5 dB, Germany model)
  • Frequency response: 5 - 45,000 Hz (+0; -3 dB, Germany model)
  • Frequency response: 5 - 75,000 Hz (+0; -3 dB, otherwise)
  • Signal-to-noise ratio:
    • Phono: better 78 dB MM; 71 dB MC
    • Power amplifier: better 105 dB
  • Tone control:
    • Bass: yes
    • Mids: no

treble: yes

  • Loudness: variable Loudness
  • Subsonic: yes
  • Mute: Yes
  • Direct/Line-Straight:


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 87.4 - 108 MHz
    • MW: 515 - 1.611 kHz
  • Frequency response: 20 - 15,000 Hz
  • Input sensitivity:
    • FM Mono: 23 dBf / 7.7 müV

VHF Stereo: 43 dBf / 77.4 müV MW: 53 dB mü/m Distortion factor FM: less than 0.2 Distortion factor MW: less than 0.3 Signal-to-noise ratio: 74 dB (mono), 69 dB (stereo)

  • Signal-to-noise ratio:
  • Channel separation: better 43 dB (1kHz)
  • selectivity FM: 70 dB (+/-300kHz)
  • selectivity MW : 20 dB (+/-9kHz)
  • Co-wave selection: 2.0 dB
  • Spurious suppression: better 90 dB
  • IF attenuation: better 75 dB
  • IF attenuation: better 80 dB
  • AM rejection: better 60 dB
  • Output level:
  • RDS: no
  • Station memory: 10


Special Features

  • Remote control


Remarks[edit]




Pictures[edit]

Reports[edit]

  • Rainer Kruse at hifi-classic-reparatur.de (April 2, 2014), see also link below:
  • "The Stasis circuit developed by Threshold, guarantor for load stable power supply in the low impedance power range, worked in the well-known power amplifiers, and in the flat receivers!".

The SR-2,3 and 4 receivers, the SR-4 even remote controllable, had a good sounding phono section (the 2 unfortunately only MM) and of course an excellent tuner built in. Sound-wise, these parts tend to have a natural low and wide, rather than high, stage.

  • An SR-4 sounds much more natural than, say, an Accuphase E-206, which plays louder and bigger, but much less musical.

Details are beautifully resolved with an emphasis on subtleties and textures, analytical in the best sense.

  • At the same time the parts still look smart and are well adjustable, just no debris.
  • If you get your hands on a semi-maintained unit today, after more than 20 years, they run flawlessly. A manufacturing quality that the Europeans and Yanks were running after!"


  • Report in "FonoForum" 7 / 1988


Links[edit]

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