Difference between revisions of "Nakamichi SR-2 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-2E
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* Model: SR-2E
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* Baujahre: um 1988 - 1990
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* Year of manufacture: around 1988 - 1990
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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: nein
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* Remote control: no
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* Leistungsaufnahme: max. 190 W
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* Power consumption: max. 190 W
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* Abmessungen (BxHxT): 430 x 100 x 370 mm  
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* Dimensions (WxHxD): 430 x 100 x 370 mm  
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* Gewicht: 7,5 kg
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* Weight: 7.5 kg
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* Neupreis ca.:  
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* New price approx:  
  
  
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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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** Aux (200 mV, 20 kOhm)
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** Aux (200 mV, 20 kOhm).
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** 1x Tape In (200 mV, 20 kOhm)
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1x Tape In (200 mV, 20 kOhm)
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** 1x CD In (200 mV, 20 kOhm)
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1x CD In (200 mV, 20 kOhm)
 
** Phono (MM 140 mV; 47kOhm)
 
** Phono (MM 140 mV; 47kOhm)
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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:
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* Number of outputs:
 
** 1x Tape Out
 
** 1x Tape Out
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** Kopfhörer (6,3mm Klinke)
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** Headphones (6,3mm jack)
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** 2 Lautsprecherpaare
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** 2 pairs of loudspeakers
  
  
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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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* Sinus Dauerleistung
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* Sine continuous power
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** 8 Ohm: 2x 30 W (DIN),  
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8 Ohm: 2x 30 W (DIN),  
  
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* Impulsleistung
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* pulse power
 
** 8 Ohm: 2x 45 W
 
** 8 Ohm: 2x 45 W
 
** 4 Ohm: 3x 55W
 
** 4 Ohm: 3x 55W
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* Gesamtklirrfaktor: 0,1% (bei Nennleistung)
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* Total harmonic distortion: 0.1% (at nominal power)
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* Dämpfungsfaktor: 77 (8 Ohm)
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* Damping factor: 77 (8 Ohm)
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* 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)
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* Frequenzgang: 5 - 45.000 Hz (+0; -3 dB, Deutschlandmodell)
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* Frequency response: 5 - 45,000 Hz (+0; -3 dB, Germany model)
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* 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
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** Phono: better 78 dB
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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:
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** 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: ja
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* Loudness: yes
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* Subsonic: nein
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* Subsonic: no
 
* Mute:
 
* Mute:
 
* Direct/Line-Straight:  
 
* Direct/Line-Straight:  
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* Stereokanaltrennung: 45 db
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* Stereo channel separation: 45 db
  
  
 
''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: 87,4 - 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 - 15.000 Hz  
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* Frequency response: 20 - 15,000 Hz  
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* Eingangsmpfindlichkeit:
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* Input sensitivity:
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** UKW Mono: 23 dBf / 7.7 müV  
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** FM Mono: 23 dBf / 7.7 müV  
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** UKW Stereo: 43 dBf / 77.4 müV  
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VHF stereo: 43 dBf / 77.4 müV  
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** MW: 53 dB mü/m   
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MW: 53 dB mü/m   
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* Klirrfaktor UKW: kleiner 0,2%  
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* Distortion factor FM: less than 0.2%  
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* 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)
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* 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
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* Nebenwellenunterdrückung: besser 90 dB  
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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
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* ZF-Dämpfung: besser 80 dB
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* IF attenuation: better 80 dB
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* AM-Unterdrückung: besser 60 dB
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* AM rejection: better 60 dB
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* Ausgangspegel:
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* Output level:
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* RDS: nein
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* RDS: no
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* 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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* hier, wenn vorhanden
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* here, if available
  
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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:
 
* [[Nakamichi SR-3 E|SR-3 E]]
 
* [[Nakamichi SR-3 E|SR-3 E]]
 
* [[Nakamichi SR-4 E|SR-4 E]]
 
* [[Nakamichi SR-4 E|SR-4 E]]
  
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*Nachfolgeserie: TA2-E ..TA4-E
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*Successor series: TA2-E ..TA4-E
  
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*STASIS - Schaltung in Lizenz [[Threshold|Threshold Co]].
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*STASIS - circuit licensed to [[Threshold|Threshold Co]].
  
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== Bilder ==
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== Pictures ==
  
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== Berichte ==
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== Reports ==
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== Berichte ==
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== Reports ==
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* Reiner Kruse bei hifi-classic-reparatur.de (2. April 2014), siehe auch Link unten:
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* Rainer Kruse at hifi-classic-reparatur.de (April 2, 2014), see also link below:
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"Die von Threshold entwickelte Stasis-Schaltung, Garant für laststabile Stromversorgung im niedrigohmigen Leistungsbereich, werkelte in den bekannten Endstufen, und in den flachen Receivern!
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"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!
  
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Die SR-2,3 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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The SR-2,3 and 4 receivers, SR-4 remote controllable, had a good sounding phono section (the 2 unfortunately only MM) and of course an excellent tuner built in.
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Klanglich neigen dies Teile zu einer natürlichen, eher tiefen und breiten, als hohen Bühne. ... Dabei sehen die Teile noch schick aus und sind gut stellbar, halt keine Trümmer."
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Soundwise these parts tend to a natural, rather deep and wide, than high stage. ... At the same time, the parts still look chic and are well adjustable, just no debris.<br />
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Today, after more than 20 years, if you get your hands on a semi-maintained unit, they run flawlessly. A manufacturing quality that the Europeans and Americans were running after!"
  
 
== Links ==
 
== Links ==
  
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[[Kategorie:Receiver]]
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[[Category:Receiver]]

Latest revision as of 11:50, 17 December 2017

Data[edit]

General

  • Manufacturer: Nakamichi
  • Model: SR-2E
  • Year of manufacture: around 1988 - 1990
  • Made in: Japan
  • Color: black
  • Remote control: no
  • Power consumption: max. 190 W
  • Dimensions (WxHxD): 430 x 100 x 370 mm
  • Weight: 7.5 kg
  • New price approx:


Connections

  • Number of inputs:
    • Aux (200 mV, 20 kOhm).

1x Tape In (200 mV, 20 kOhm) 1x CD In (200 mV, 20 kOhm)

    • Phono (MM 140 mV; 47kOhm)
    • FM antenna (75/300 Ohm)
    • AM antenna
  • Number of outputs:
    • 1x Tape Out
    • Headphones (6,3mm jack)
    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Sine continuous power

8 Ohm: 2x 30 W (DIN),

  • pulse power
    • 8 Ohm: 2x 45 W
    • 4 Ohm: 3x 55W
  • Total harmonic distortion: 0.1% (at nominal power)
  • Damping 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
    • Power amplifier: better 105 dB
  • Tone control:
    • Bass: yes
    • Mids: no
    • Treble: yes
  • Loudness: yes
  • Subsonic: no
  • Mute:
  • Direct/Line-Straight:
  • Stereo channel separation: 45 db


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

  • here, if available

Remarks[edit]

Other models in the same series:

  • Successor series: TA2-E ..TA4-E

Pictures[edit]

Reports[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, SR-4 remote controllable, had a good sounding phono section (the 2 unfortunately only MM) and of course an excellent tuner built in. Soundwise these parts tend to a natural, rather deep and wide, than high stage. ... At the same time, the parts still look chic and are well adjustable, just no debris.
Today, after more than 20 years, if you get your hands on a semi-maintained unit, they run flawlessly. A manufacturing quality that the Europeans and Americans were running after!"

Links[edit]

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