Difference between revisions of "Onkyo A-8850"

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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: Onkyo
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* Manufacturer: [[Onkyo]]
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* Modell: A-8850
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* Model: A-8850
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* Klasse: Integra
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* Model series: Integra
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* Baujahre: 1992-1996
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* Type: Integrated amplifier
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* Hergestellt in: Japan
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* Years of manufacture: 1992 - 1996
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* Farben: Schwarz, Polarsilber
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* Made in: Japan
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* Signalverarbeitung: Analog
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* Colours: Black, Polar silver
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* Fernbedienung: Ja
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* Signal processing: Analog
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* Leistungsaufnahme: 220 Watt
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* Remote control: Yes ( RC 207 S )
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* Abmessungen: 455 x 170 x 420 mm
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* Power consumption: 220 W
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* Gewicht: 15,5 Kg
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* Dimensions: 455 x 170 x 420 mm (WxHxD)
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* Neupreis ca.: 899 DM
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* Weight: approx. 16 kg
 +
* New price approx.: 850 DM
  
  
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'''Anschlüsse'''
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'''Connections'''
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* Anzahl der Eingänge: 8
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* Number of inputs: 8
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** Phono (MM): 2,5 mV / 50 kΩ
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** Phono (MM): 2.5 mV / 50 kΩ
 
** Phono (MC): 150 µV / 130 Ω
 
** Phono (MC): 150 µV / 130 Ω
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** CD:         150 mV / 30 kΩ
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** CD: 150 mV / 30 kΩ
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** Tuner:     150 mV / 30 kΩ
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** Tuner: 150 mV / 30 kΩ
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** Tape 1:     150 mV / 30 kΩ
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** Tape 1: 150 mV / 30 kΩ
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** Tape 2:     150 mV / 30 kΩ
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** Tape 2: 150 mV / 30 kΩ
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** DAT:       150 mV / 30 kΩ
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DAT: 150 mV / 30 kΩ
  
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* Anzahl der Ausgänge: 3
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* Number of outputs: 3
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** Tape 1:     150 mV / 1 kΩ
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** Tape 1: 150 mV / 1 kΩ
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** Tape 2:     150 mV / 1 kΩ
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** Tape 2: 150 mV / 1 kΩ
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** DAT:       150 mV / 1 kΩ
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** DAT: 150 mV / 1 kΩ
  
  
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'''Technische Daten'''
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'''Technical Data'''
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* Sinusleistung (bei Klirrfaktor)
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* Sine power (at distortion).
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** 8 Ohm: 90 Watt (0,008%)
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** 8 Ohm: 2x 90 Watt (0,008%)
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** 4 Ohm: 120 Watt (0,008%)
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** 4 Ohm: 2x 120 Watt (0,008%)
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* Ausgangsleistung
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** 2 Ohm: 2x 150 Watt (0,008%)
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** 8 Ohm: 115 Watt
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* Output power
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** 4 Ohm: 167 Watt
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** 8 Ohm: 2x 115 Watt
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** 2 Ohm: 210 Watt
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** 4 Ohm: 2x 167 Watt
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* Gesamtklirrfaktor: 0,008%
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** 2 Ohm: 2x 210 Watt
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* Dämpfungsfaktor: 150 an 8 Ω
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* Total harmonic distortion: 0.008%.
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* Frequenzgang: 2 - 50.000 Hz
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* Attenuation factor: 150 at 8 Ω
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* Signalrauschabstand: 107 dB
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* Frequency response: 2 - 50,000 Hz
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* Stereokanaltrennung:
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* Signal-to-noise ratio: 107 dB
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* Klangregelung: Ja
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* Tone control: Yes
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** Bass: ± 8 dB bei 100 Hz
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** Bass: ± 8 dB at 100 Hz
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** Höhen: ± 8 dB bei 10 kHz
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** Treble: ± 8 dB at 10 kHz
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* Loudness: Nein
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* Loudness: No
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* High Filter: Ja
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* High Filter: Yes
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* Low Filter (Subsonic): Ja
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* Low Filter (Subsonic): Yes
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* Mute: Ja
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* Mute: Yes
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* Direct/Line-Straight: Ja
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* Direct/Line-Straight: Yes
  
  
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'''Besondere Ausstattungen'''
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'''Special Features'''
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* Servobetriebener Eingangswahlschalter
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* Servo operated input selector switch
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* [[AEI]] Transformator
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* [[AEI]] Transformer
  
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== Bemerkungen ==
 
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Weitere Modelle der gleichen Serie:
 
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* [[Onkyo A-8820|A-8820]]
 
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* [[Onkyo A-8830|A-8830]]
 
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* [[Onkyo A-8850|A-8850]]
 
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* [[Onkyo A-8870|A-8870]]
 
  
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== Bilder ==
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== Remarks ==
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[[Bild:onkyo-a-8850.jpg]]
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* Other models in the same series:
 +
* [[Onkyo A-8820]]
 +
* [[Onkyo A-8830]]
 +
* [[Onkyo A-8840]]
 +
* [[Onkyo A-8940]]
 +
* [[Onkyo A-8850]]
 +
* [[Onkyo A-8870]]
  
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== Berichte ==
 
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Eine bekannte Krankheit dieser Baureihe von Onkyo ist eine, mit der Zeit auftretende Fehlfunktion des Input Selectors.
 
  
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Durch Verschmutzung und Korrosion innerhalb des Drehschalter kommt es häufig zu Kontaktproblemen,  
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== Pictures ==
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was ein unregelmäßiges und willkürliches Herumspringen zwischen den Eingängen zur Folge hat.
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* [[Picture: Onkyo A-8850
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Oft gibt es jedoch eine oder mehrere Stellungen des Drehschalters, in denen das Problem seltener bis überhaupt nicht mehr auftritt.
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[[File:Onkyo A-8850-1.jpg]]
 +
 
 +
 
 +
* Picture: Onkyo A-8850
 +
[[Image:onkyo-a-8850.jpg]]
 +
 
 +
 
 +
== Reports ==
 +
* A known malady of this series of Onkyo is a, with time, malfunction of the Input Selector.
 +
 
 +
* Due to dirt and corrosion within the rotary switch, contact problems are common, resulting in erratic and random jumping around between inputs.
 +
* However, there is often one or more positions of the rotary switch where the problem occurs less frequently if at all.
 +
 
 +
* The problem can almost always be eliminated by treating the inside of the rotary switch with contact spray, or better yet, mechanically cleaning the contact surfaces beforehand.
 +
* A recurrence of the problem after a certain time frame, which can range from hours to years, cannot be ruled out.
 +
The success depends strongly on the intensity of the cleaning and the agents used.
 +
 
 +
I bought the 8850 amplifier from Onkyo in January 1992 with the DX 6830 CD player, TA 2870 cassette deck, T 4830 tuner, all from Onkyo and Revox loudspeakers, and have had no failures to date. I am more than satisfied!
  
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Das Problem lässt sich durch eine Behandlung des Innenlebens des Drehschalters mit Kontaktspray -
 
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besser noch mit einer vorhergehenden mechanischen Reinigung der Kontaktflächen - fast immer beseitigen.
 
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Ein erneutes Auftreten des Problems nach einem bestimmten Zeitrahmen, welcher von Stunden bis hin
 
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zu Jahren reichen kann, lässt sich nicht ausschließen.
 
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Der Erfolg hängt stark von der Intensität der Reinigung und der verwendeten Mittel ab.
 
  
 
== Links ==
 
== Links ==
 +
 +
 +
[[Category:Integrated amplifier]]

Latest revision as of 02:44, 28 January 2021

Data[edit]

General

  • Manufacturer: Onkyo
  • Model: A-8850
  • Model series: Integra
  • Type: Integrated amplifier
  • Years of manufacture: 1992 - 1996
  • Made in: Japan
  • Colours: Black, Polar silver
  • Signal processing: Analog
  • Remote control: Yes ( RC 207 S )
  • Power consumption: 220 W
  • Dimensions: 455 x 170 x 420 mm (WxHxD)
  • Weight: approx. 16 kg
  • New price approx.: 850 DM


Connections

  • Number of inputs: 8
    • Phono (MM): 2.5 mV / 50 kΩ
    • Phono (MC): 150 µV / 130 Ω
    • CD: 150 mV / 30 kΩ
    • Tuner: 150 mV / 30 kΩ
    • Tape 1: 150 mV / 30 kΩ
    • Tape 2: 150 mV / 30 kΩ

DAT: 150 mV / 30 kΩ

  • Number of outputs: 3
    • Tape 1: 150 mV / 1 kΩ
    • Tape 2: 150 mV / 1 kΩ
    • DAT: 150 mV / 1 kΩ


Technical Data

  • Sine power (at distortion).
    • 8 Ohm: 2x 90 Watt (0,008%)
    • 4 Ohm: 2x 120 Watt (0,008%)
    • 2 Ohm: 2x 150 Watt (0,008%)
  • Output power
    • 8 Ohm: 2x 115 Watt
    • 4 Ohm: 2x 167 Watt
    • 2 Ohm: 2x 210 Watt
  • Total harmonic distortion: 0.008%.
  • Attenuation factor: 150 at 8 Ω
  • Frequency response: 2 - 50,000 Hz
  • Signal-to-noise ratio: 107 dB
  • Tone control: Yes
    • Bass: ± 8 dB at 100 Hz
    • Treble: ± 8 dB at 10 kHz
  • Loudness: No
  • High Filter: Yes
  • Low Filter (Subsonic): Yes
  • Mute: Yes
  • Direct/Line-Straight: Yes


Special Features

  • Servo operated input selector switch
  • AEI Transformer


Remarks[edit]


Pictures[edit]

  • [[Picture: Onkyo A-8850

Onkyo A-8850-1.jpg


  • Picture: Onkyo A-8850

Onkyo-a-8850.jpg


Reports[edit]

  • A known malady of this series of Onkyo is a, with time, malfunction of the Input Selector.
  • Due to dirt and corrosion within the rotary switch, contact problems are common, resulting in erratic and random jumping around between inputs.
  • However, there is often one or more positions of the rotary switch where the problem occurs less frequently if at all.
  • The problem can almost always be eliminated by treating the inside of the rotary switch with contact spray, or better yet, mechanically cleaning the contact surfaces beforehand.
  • A recurrence of the problem after a certain time frame, which can range from hours to years, cannot be ruled out.

The success depends strongly on the intensity of the cleaning and the agents used.

I bought the 8850 amplifier from Onkyo in January 1992 with the DX 6830 CD player, TA 2870 cassette deck, T 4830 tuner, all from Onkyo and Revox loudspeakers, and have had no failures to date. I am more than satisfied!


Links[edit]

Retrieved from "https://hifi-wiki.com/index.php?title=Onkyo_A-8850&oldid=266209"