Difference between revisions of "Pioneer QX-747 A"
 
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__NOTOC__
 
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== Daten ==
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== Data ==
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'''''Pioneer 4- Kanl- Receiver QX-747 A'''''
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{{navigation}}
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{{Navigation}}
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'''General'''
 +
* Manufacturer: [[Pioneer]]
 +
* Model: QX-747 A
 +
Type: Quadraphonic Receiver
 +
* Years of manufacture: 1976 - 1977
 +
* Made in: Japan
 +
* Color: silver, wooden case walnut
 +
* Power consumption: 340 watts
 +
* Dimensions: 550 x 160 x 420 mm (WxHxD)
 +
* Weight: 19.1 kg
 +
* Original price approx.: 2'400 DM
  
  
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'''Allgemein:'''
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'''Connections:'''
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* Hersteller: [[Pioneer]]
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* Number of inputs:
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* Modell: QX-747 A
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** Phono: 2.2 mV, 50 kOhm.
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* Baujahre: 1976-1977
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** Phono ground connection: yes
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* Hergestellt in:  
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** AUX: 140 mV, 100 kOhm
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* Farbe:  
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Tape: 140 mV, 100 kOhm
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* Fernbedienung:
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** Coaxial FM- antenna connection (75 Ohm)
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* Leistungsaufnahme:
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** AM antenna connection (300 Ohm)
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* Abmessungen: 55 x 16 x 42 cm
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* Number of outputs:
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* Gewicht: 19,1 Kg
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** 3 x loudspeaker pairs: 2 x front, 1 x rear
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* Neupreis ca.:
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** 2 x headphone output front + rear: 6.3 mm jack each
  
  
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'''Anschlüsse:'''
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'''Technical data:'''
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* Anzahl der Eingänge:
 
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** Phono 
 
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** Phono-Erdungsanschluss
 
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** CD
 
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** Tape
 
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** Koaxial FM- Antennenanschluss (75 Ohm)
 
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** Anschluss AM- Antenne
 
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* Anzahl der Ausgänge:
 
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** Lautsprecheranschluss
 
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** Kopfhörerausgang 6,3 mm Klinkenstecker
 
  
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'''Amplifier:'''
 +
* continuous power: quadrophonic, 20-20 kHz
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** 8 Ohm: 4 x 20 Watt
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4 Ohm: 4 x 25 Watt
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* music power: quadrophonic, 20-20 kHz
 +
** 8 Ohm: 4 x 30 Watt
 +
** 4 Ohm: 4 x 35 Watt
 +
* Continuous power: Stereo, 20- 20 kHz
 +
** 8 Ohm: 2 x 40 Watt
 +
** 4 Ohm: 2 x 50 Watt
 +
* Continuous power: Stereo, 1 kHz
 +
** 8 Ohm: 45 Watt
 +
** 4 Ohm: 55 Watt
 +
* Total harmonic distortion: 0.5 % at 20- 20'000 Hz, 0.005 % at 1 Watt, 8 Ohm
 +
* Attenuation factor: 35 at 8 ohms, 1 kHz
 +
* Frequency response:
 +
** AUX, Tape: 10 - 25'000 Hz + 0,5 dB, - 1 dB
 +
** Phono: 30 - 15'000 Hz ± 1 dB
 +
* Power bandwidth: 7 - 40'000 Hz
 +
* Signal-to-noise ratio:
 +
** Phono: 70 dB
 +
Line: 90 dB
 +
* Tone control: yes
 +
** Bass: ± 10 dB, 100 Hz
 +
treble: ± 10 dB, 10 kHz
 +
* Loudness: yes
 +
* High Filter: no
 +
* Low Filter (Subsonic): no
  
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'''Technische Daten:'''
 
  
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'''''Verstärker:'''''
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'''CD-4 demodulator part:'''
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* Dauerleistung: (bei Klirrfaktor)
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* Input sensitivity: 2.5 mV
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** 8 Ohm: 2 x 40 Watt Stereo, 4 x 20 Watt Quadraphonic
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* Input impedance: 100 kOhm
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* Dynamikleistung:
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* Distortion factor: 0,07
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** 8 Ohm:  
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* Signal-to-noise ratio: > 70 dB
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** 4 Ohm:
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* Channel separation at 1 kHz:
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* Gesamtklirrfaktor:
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** Left to Right: 50 dB
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* Dämpfungsfaktor:
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front to rear: 30 dB
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* Frequenzgang: 10 - 25.000 Hz
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* Frequency range: 20 - 15'000 Hz
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* Signalrauschabstand:
 
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* Stereokanaltrennung:  
 
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* Klangregelung:  
 
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** Bass:  
 
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** Höhen:  
 
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* Loudness:  
 
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* High Filter:
 
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* Low Filter (Subsonic):
 
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* Mute:
 
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* Direct/Line-Straight:
 
  
  
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'''''Tuner:'''''
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'''Tuner:'''
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* Empfang: FM, AM
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* Reception: FM, AM
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* Frequenzen:
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* Frequencies:
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** UKW:
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** FM: 88 - 108 MHz
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** MW :  
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** MW: 535 - 1600 kHz
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* Frequenzgang:
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* Input sensitivity:  
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* Eingangsmpfindlichkeit:  
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** FM: 1.9 µV
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* Klirrfaktor:  
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** MW: 15 µV
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* Signalrauschabstand:  
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* Frequency response: 20 - 15'000 Hz
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* Kanaltrennung:
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* Distortion factor FM: stereo 0.4 %, mono 0.2 %
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* Trennschärfe:  
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* Signal-to-noise ratio:  
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* Gleichwellenselektion:  
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** FM: 70 dB
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* Nebenwellenselektion:
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AM: 50 dB
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* Spiegelfrequenzdämpfung:  
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* Stereo channel separation: > 40 dB at 1 kHz
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* ZF-Dämpfung:  
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* Selectivity:  
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* AM-Unterdrückung:  
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** FM: 60 dB
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* Ausgangspegel:  
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** AM: > 25 dB
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* RDS:
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* Co-wave selection: 1.0 dB
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* Stationsspeicher:  
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* Spurious wave selection: 65 dB
 +
* Image frequency attenuation:
 +
** FM: > 80 dB
 +
MW: > 45 dB
 +
IF attenuation:
 +
** FM: > 90 dB
 +
** MW: > 55 dB
 +
* AM suppression: 65 dB
  
  
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== Bilder ==
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'''Special Features'''
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[[Datei:QX747A.jpg]]
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* Equipped with all quadraphonic systems:
 +
** CD-4
 +
SQ Full Logic
 +
** Regular Matrix
 +
* Quadro level meter
 +
* Connector for Dolby adapter
 +
* MPX 4-Channel Output Jack
 +
* MPX Noise Filter
 +
* FM Muting
 +
* Bass / Tweeter control V + H separate
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* Display level switchable: 0 dB, - 10 dB, - 20 dB
  
  
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== Bemerkungen ==
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== Remarks ==
 +
* All Pioneer Quadro receivers at a glance:
 +
** [[Pioneer QX-646]]
 +
** [[Pioneer QX-747]]
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** [[Pioneer QX-747 A]]
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** [[Pioneer QX-949]]
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** [[Pioneer QX-949 A]]
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** [[Pioneer QX-4000]]
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** [[Pioneer QX-8000]]
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** [[Pioneer QX-8000 A]]
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** [[Pioneer QX-9900]]
  
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Weitere Modelle der gleichen Serie:
 
  
 +
* [[Introduction Kenwood 4-channel playback technology]]
 +
 +
 +
== Pictures ==
 +
* Image: Pioneer QX-747 A
 +
[[File:QX747A.jpg]]
 +
 +
 +
== Reviews ==
 +
* Review of the Pioneer QX-747 by "Hifi Studio": [[https://web.archive.org/web/20120513213611/http://www.hifi-studio.de/hifi-klassiker/pioneer/Pioneer_QX/Pioneer_QX747/Pioneer_QX747.htm]]
  
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== Berichte ==
 
  
 
== Links ==
 
== Links ==
 +
* External link Pioneer catalog on "Hifi Archive": [[http://www.hifi-archiv.info/Pioneer/1976/pioneer14.jpg]]
 +
  
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[[Kategorie:Receiver]]
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[[Category:Receiver]]

Latest revision as of 06:12, 30 April 2019

Data[edit]

General

  • Manufacturer: Pioneer
  • Model: QX-747 A

Type: Quadraphonic Receiver

  • Years of manufacture: 1976 - 1977
  • Made in: Japan
  • Color: silver, wooden case walnut
  • Power consumption: 340 watts
  • Dimensions: 550 x 160 x 420 mm (WxHxD)
  • Weight: 19.1 kg
  • Original price approx.: 2'400 DM


Connections:

  • Number of inputs:
    • Phono: 2.2 mV, 50 kOhm.
    • Phono ground connection: yes
    • AUX: 140 mV, 100 kOhm

Tape: 140 mV, 100 kOhm

    • Coaxial FM- antenna connection (75 Ohm)
    • AM antenna connection (300 Ohm)
  • Number of outputs:
    • 3 x loudspeaker pairs: 2 x front, 1 x rear
    • 2 x headphone output front + rear: 6.3 mm jack each


Technical data:

Amplifier:

  • continuous power: quadrophonic, 20-20 kHz
    • 8 Ohm: 4 x 20 Watt

4 Ohm: 4 x 25 Watt

  • music power: quadrophonic, 20-20 kHz
    • 8 Ohm: 4 x 30 Watt
    • 4 Ohm: 4 x 35 Watt
  • Continuous power: Stereo, 20- 20 kHz
    • 8 Ohm: 2 x 40 Watt
    • 4 Ohm: 2 x 50 Watt
  • Continuous power: Stereo, 1 kHz
    • 8 Ohm: 45 Watt
    • 4 Ohm: 55 Watt
  • Total harmonic distortion: 0.5 % at 20- 20'000 Hz, 0.005 % at 1 Watt, 8 Ohm
  • Attenuation factor: 35 at 8 ohms, 1 kHz
  • Frequency response:
    • AUX, Tape: 10 - 25'000 Hz + 0,5 dB, - 1 dB
    • Phono: 30 - 15'000 Hz ± 1 dB
  • Power bandwidth: 7 - 40'000 Hz
  • Signal-to-noise ratio:
    • Phono: 70 dB

Line: 90 dB

  • Tone control: yes
    • Bass: ± 10 dB, 100 Hz

treble: ± 10 dB, 10 kHz

  • Loudness: yes
  • High Filter: no
  • Low Filter (Subsonic): no


CD-4 demodulator part:

  • Input sensitivity: 2.5 mV
  • Input impedance: 100 kOhm
  • Distortion factor: 0,07
  • Signal-to-noise ratio: > 70 dB
  • Channel separation at 1 kHz:
    • Left to Right: 50 dB

front to rear: 30 dB

  • Frequency range: 20 - 15'000 Hz


Tuner:

  • Reception: FM, AM
  • Frequencies:
    • FM: 88 - 108 MHz
    • MW: 535 - 1600 kHz
  • Input sensitivity:
    • FM: 1.9 µV
    • MW: 15 µV
  • Frequency response: 20 - 15'000 Hz
  • Distortion factor FM: stereo 0.4 %, mono 0.2 %
  • Signal-to-noise ratio:
    • FM: 70 dB

AM: 50 dB

  • Stereo channel separation: > 40 dB at 1 kHz
  • Selectivity:
    • FM: 60 dB
    • AM: > 25 dB
  • Co-wave selection: 1.0 dB
  • Spurious wave selection: 65 dB
  • Image frequency attenuation:
    • FM: > 80 dB

MW: > 45 dB IF attenuation:

    • FM: > 90 dB
    • MW: > 55 dB
  • AM suppression: 65 dB


Special Features

  • Equipped with all quadraphonic systems:
    • CD-4

SQ Full Logic

    • Regular Matrix
  • Quadro level meter
  • Connector for Dolby adapter
  • MPX 4-Channel Output Jack
  • MPX Noise Filter
  • FM Muting
  • Bass / Tweeter control V + H separate
  • Display level switchable: 0 dB, - 10 dB, - 20 dB


Remarks[edit]



Pictures[edit]

  • Image: Pioneer QX-747 A

QX747A.jpg


Reviews[edit]

  • Review of the Pioneer QX-747 by "Hifi Studio": [[1]]


Links[edit]

  • External link Pioneer catalog on "Hifi Archive": [[2]]
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