Difference between revisions of "Marantz MR-250"

 
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Daten
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__NOTOC__
 +
== Data ==
 +
{{navigation}}
 +
'''General'''
 +
* Manufacturer: [[Marantz]]
 +
* Model: MR-250
 +
* Year of manufacture: around 1975
 +
* Made in:
 +
* Color: silver/wood
 +
* Remote control: no
 +
* Power consumption:
 +
* Dimensions: 440 x 137 x 358 mm (WxHxD).
 +
* Weight: 12 kg
 +
* New price approx:
  
  
 +
'''Connections'''
 +
* Number of inputs:
 +
** Aux (180 mV, 20 kOhm).
 +
** 2x Tape In
 +
** Phono (2,7 mV, 47 kOhm)
 +
** FM antenna (75/300 Ohm)
 +
** AM antenna
 +
* Number of outputs:
 +
** 2x Tape Out
 +
** Headphones (6.3mm jack)
 +
** 2 pairs of loudspeakers
  
−
Allgemein
 
  
−
    * Hersteller: Marantz
+
'''Technical Data'''
−
    * Modell: MR-250
 
−
    * Baujahre: um 1975
 
−
    * Hergestellt in:
 
−
    * Farbe: silber/Holz
 
−
    * Fernbedienung: nein
 
−
    * Leistungsaufnahme:
 
−
    * Abmessungen: 440 x 137 x 358 mm (BxHxT)
 
−
    * Gewicht: 12 kg
 
−
    * Neupreis ca.:
 
  
 +
''Amplifier''
 +
* Continuous power (at distortion)
 +
8 Ohm: 2x 64 W (DIN), 2x 56 W (RMS)
 +
** 4 Ohm: 2x 98 W (DIN), 2x 55 W (RMS)
 +
* Dynamic power
 +
** 8 Ohm:
 +
** 4 Ohm:
 +
* Total harmonic distortion: 0.1% (at rated power)
 +
* Attenuation factor: 77 (8 Ohm)
 +
* Frequency response: 10 - 40,000 Hz (±1 dB)
 +
* Signal-to-noise ratio:
 +
** Phono: 72 dB
 +
** Aux: 80 dB
 +
* Tone control:
 +
** Bass: yes
 +
** Mids: yes
 +
** Treble: yes
 +
* Loudness: yes
 +
* Subsonic: yes
 +
* Mute:
 +
* Direct/Line-Straight:
 +
* Stereo channel separation: 45 db
  
−
Anschlüsse
 
  
−
    * Anzahl der Eingänge:
+
''Tuner''
−
          o Aux (180 mV, 20 kOhm)
+
* Reception: FM, MW
−
          o 2x Tape In
+
* Frequencies:
−
          o Phono (2,7 mV, 47 kOhm)
+
** FM: 87.4 - 109 MHz
−
          o FM-Antenne (75/300 Ohm)
+
** MW: 515 - 1,650 kHz
−
          o AM-Antenne
+
* Frequency response: 30 - 15000 Hz
−
    * Anzahl der Ausgänge:
+
* Input sensitivity:
−
          o 2x Tape Out
+
** FM: 1.7 µV
−
          o Kopfhörer (6,3mm Klinke)
+
MW: 30 µV
−
          o 2 Lautsprecherpaare
+
* Distortion factor: 0.1%
 +
* Signal-to-noise ratio: 62 dB (mono), 55 dB (stereo)
 +
* Spurious voltage spacing:
 +
* Channel separation:
 +
* Selectivity:
 +
* Co-wave selection:
 +
* Spurious wave selection:
 +
* IF attenuation:
 +
* IF attenuation:
 +
* AM suppression:
 +
* Output level:
 +
* RDS: no
 +
* Station memory: no
  
  
−
Technische Daten
+
'''Special Features'''
 +
* here, if available
  
−
Verstärker
 
  
−
    * Dauerleistung (bei Klirrfaktor)
+
== Remarks ==
−
          o 8 Ohm: 2x 64 W (DIN), 2x 56 W (RMS)
+
Other models of the same series:
−
          o 4 Ohm: 2x 98 W (DIN), 2x 55 W (RMS)
 
−
    * Dynamikleistung
 
−
          o 8 Ohm:
 
−
          o 4 Ohm:
 
−
    * Gesamtklirrfaktor: 0,1% (bei Nennleistung)
 
−
    * Dämpfungsfaktor: 77 (8 Ohm)
 
−
    * Frequenzgang: 10 - 40.000 Hz (±1 dB)
 
−
    * Signalrauschabstand:
 
−
          o Phono: 72 dB
 
−
          o Aux: 80 dB
 
−
    * Klangregelung:
 
−
          o Bass: ja
 
−
          o Mitten: ja
 
−
          o Höhen: ja
 
−
    * Loudness: ja
 
−
    * Subsonic: ja
 
−
    * Mute:
 
−
    * Direct/Line-Straight:
 
−
    * Stereokanaltrennung: 45 db
 
  
 +
== Pictures ==
  
−
Tuner
+
== Reports ==
  
−
    * Empfang: UKW, MW
+
== Links ==
−
    * Frequenzen:
+
 
−
          o UKW: 87,4 - 109 MHz
+
[[Category:Receiver]]
−
          o MW: 515 - 1.650 kHz
 
−
    * Frequenzgang:  30 - 15000 Hz
 
−
    * Eingangsmpfindlichkeit:
 
−
          o UKW: 1,7 µV
 
−
          o MW: 30 µV
 
−
    * Klirrfaktor:  0,1%
 
−
    * Signalrauschabstand: 62 dB (Mono), 55 dB (Stereo)
 
−
    * Fremdspannungsabstand:
 
−
    * Kanaltrennung:
 
−
    * Trennschärfe:
 
−
    * Gleichwellenselektion:
 
−
    * Nebenwellenselektion:
 
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    * Spiegelfrequenzdämpfung:
 
−
    * ZF-Dämpfung:
 
−
    * AM-Unterdrückung:
 
−
    * Ausgangspegel:
 
−
    * RDS: nein
 
−
    * Stationsspeicher: nein
 

Latest revision as of 11:16, 7 December 2007

Data[edit]

General

  • Manufacturer: Marantz
  • Model: MR-250
  • Year of manufacture: around 1975
  • Made in:
  • Color: silver/wood
  • Remote control: no
  • Power consumption:
  • Dimensions: 440 x 137 x 358 mm (WxHxD).
  • Weight: 12 kg
  • New price approx:


Connections

  • Number of inputs:
    • Aux (180 mV, 20 kOhm).
    • 2x Tape In
    • Phono (2,7 mV, 47 kOhm)
    • FM antenna (75/300 Ohm)
    • AM antenna
  • Number of outputs:
    • 2x Tape Out
    • Headphones (6.3mm jack)
    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power (at distortion)

8 Ohm: 2x 64 W (DIN), 2x 56 W (RMS)

    • 4 Ohm: 2x 98 W (DIN), 2x 55 W (RMS)
  • Dynamic power
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.1% (at rated power)
  • Attenuation factor: 77 (8 Ohm)
  • Frequency response: 10 - 40,000 Hz (±1 dB)
  • Signal-to-noise ratio:
    • Phono: 72 dB
    • Aux: 80 dB
  • Tone control:
    • Bass: yes
    • Mids: yes
    • Treble: yes
  • Loudness: yes
  • Subsonic: yes
  • Mute:
  • Direct/Line-Straight:
  • Stereo channel separation: 45 db


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 87.4 - 109 MHz
    • MW: 515 - 1,650 kHz
  • Frequency response: 30 - 15000 Hz
  • Input sensitivity:
    • FM: 1.7 µV

MW: 30 µV

  • Distortion factor: 0.1%
  • Signal-to-noise ratio: 62 dB (mono), 55 dB (stereo)
  • Spurious voltage spacing:
  • Channel separation:
  • Selectivity:
  • Co-wave selection:
  • Spurious wave selection:
  • IF attenuation:
  • IF attenuation:
  • AM suppression:
  • Output level:
  • RDS: no
  • Station memory: no


Special Features

  • here, if available


Remarks[edit]

Other models of the same series:

Pictures[edit]

Reports[edit]

Links[edit]

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