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__NOTOC__
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== Daten ==
== Data ==
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{{Navigation}}
{{navigation}}
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'''Allgemein'''
'''General'''
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* Hersteller: [[Onkyo]]
* Manufacturer: [[Onkyo]]
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* Modell: A-8470
* Model: A-8470 - [[https://www.hifi-wiki.de/index.php/Onkyo_Integra-Serie#Ger.C3.A4te_der_Integra-Serie Integra Series]]
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* Baujahre: ca. 1987
* Type: Integrated amplifier
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* Hergestellt in: Japan
* Years of manufacture: 1987 - 1988
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* Typ: Vollverstärker
* Made in: Japan
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* Fernbedienung: Nein
* Colours: Silver, Black
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* Leistungsaufnahme: 360 Watt
* Remote control: No
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* Abmessungen: 435 × 157 × 396 mm (B×H×T)  
* Power consumption: 360 W
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* Gewicht: 13,2 kg
* Dimensions: 435 x 157 x 396 mm (WxHxD)  
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* Farbe: silber (und schwarz)
* Weight: 13.2 kg
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* Neupreis ca.: 1000,- DM
* Original price approx.: 1'000 DM
 
  
 
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'''Anschlüsse'''
'''Connections'''
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* Anzahl der Eingänge: 6 (Cinch)
* Number of inputs: 6
 
 
** Phono (MM/MC)
 
** Phono (MM/MC)
 
** Tuner
 
** Tuner
 
** CD
 
** CD
2x Aux (VCR and VDP)
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** 2× Aux (VCR und VDP)
** 2x Tape
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** Tape
 
 
* Number of outputs: 3
 
** Headphones (6,3 mm jack)
 
** 2x Tape Rec.
 
** 2x loudspeaker
 
 
 
 
 
'''Technical Data'''
 
* Continuous power (at distortion factor)
 
** 8 Ohm: 115 W / 1 kHz
 
4 Ohm: 150 W / 1 kHz
 
* Dynamic power
 
** 8 Ohm: 170 W
 
** 4 Ohm: 235 W
 
** 2 Ohm: 303 W
 
* Total harmonic distortion: 0.008%
 
* Intermodulation distortion: 0.005% at rated power
 
* Attenuation factor: 50 (at 8 ohms)
 
* Input (Sensitivity/ Impedance)
 
** Phono (MM): 2.5 mV / 50 kOhm (94dB at 5.0 mV input), (MC): 160 µV / 220 kOhm (75dB at 0.6 mV input)
 
Tuner, CD, CD Direct, Aux, Tape = 150 mV / 50 kOhm (CD Direct: 107 dB)
 
* Frequency response CD & Tuner: 2 - 50,000 Hz (-0, -1 dB)
 
* Frequency response Phono (MM): 20 - 20,000 Hz (+/- 0.3dB)
 
* Tone control:
 
** Double bass: +/-10 dB Mute OFF / +/-20 dB Mute ON (at 20 Hz).
 
** Bass: +/-10 dB (at 70 Hz)
 
Treble: +/-8 dB (at 20 kHz)
 
* Loudness: No
 
* Subsonic: no
 
* Mute: yes (-20 dB)
 
* CD-Direct/Line-Straight: yes
 
 
 
 
 
'''Special Features'''
 
* REAL-PHASE system = exactly the same phase position of both stereo signals for perfect sound purity and original fidelity of a digital music recording
 
* Switch-on delay via relay
 
* Switching off the power amplifier in case of speaker overload
 
* The position settings of the direct selection switches (switched) are backlit
 
  
== Remarks ==
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* Anzahl der Ausgänge: 3
* Other models in the same series:  
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** Kopfhörer (6,3 mm Klinke)
* [[Onkyo A-8420]]
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** 2× Tape Rec.
* [[Onkyo A-8430]]
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** 2× Lautsprecher
* [[Onkyo A-8450]]
 
* [[Onkyo A-8470]]
 
  
  
== Pictures ==
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'''Technische Daten'''
* [[Picture: Onkyo A-8470
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* Sinusleistung:  
[[File:Onkyo A-8470-1.jpg]]
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** 2× 167 Watt an 4 Ohm, 2× 115 Watt an 8 Ohm
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** 100 Watt pro Kanal an 8 Ohm, beide Kanäle ausgesteuert, 20 Hz bis 20.000 Hz, bei einem Gesamtklirrfaktor von höchstens 0,008%
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* Ausgangsleistung:
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** 2× 303 Watt an 2 Ohm
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** 2× 235 Watt an 4 Ohm
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* Gesamtklirrfaktor: 0,008% bei Nennleistung und bei 1 Watt
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* Intermodulationsverzerrung: 0,005% bei Nennleistung
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* Dämpfungsfaktor: 50 (bei 8 Ohm)
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* Eingang (Empfindlichkeit/Impedanz)
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** Phono (MM): 2,5 mV / 50 kOhm
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** Phono (MC): 160 µV / 50 kOhm
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** Tuner, CD, CD direkt, Aux, Tape: 150 mV / 50 kOhm
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** Tape Rec.: 150 mV / 1,5 kOhm
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* Ausgang (Pegel/Impedanz):
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* Frequenzgang: 2 - 50.000 Hz (+0, -1 dB)
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* Klangregelung:
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** Contrabass: ±10 dB Mute OFF / ±20 dB Mute ON (bei 20 Hz)
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** Bass: ±10 dB (bei 70 Hz)
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** Höhen: ±8 dB (bei 20 kHz)
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* Loudness: Nein
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* Subsonic: nein
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* Mute: ja (-20 dB)
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* Direct/Line-Straight: ja
  
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'''Besondere Ausstattungen'''
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* Einschaltverzögerung per Relais
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* Abschalten der Endstufe bei Überlastung der Lautsprecher
  
== Reports ==
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== Bemerkungen ==
* On one bought used (07/2012) everything runs great, only the volume control grates a bit. Rich and clean performance, with CD Direct possibly a little little bass (subjective) but that can be compensated via bass and double bass (no longer CD Direct).
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Weitere Modelle der gleichen Serie:
Even (m)a used amplifier acquired in the late 90s has always run smoothly and completely reliably (this is probably also a result of the fact that he never had to wait in a [damp] storeroom / cellar).
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* [[Onkyo A-8420|A-8420]]
For purists, an all-around great (real) analog amplifier without any A/D converters and servo drives (remote control).
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* [[Onkyo A-8430|A-8430]]
Otherwise, very cleanly processed and even after more than 20 years old optics as good as new!
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* [[Onkyo A-8450|A-8450]]
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* [[Onkyo A-8470|A-8470]]
  
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== Berichte ==
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Bei einem gebraucht gekauften (07/2012) läuft alles super, lediglich der Volume Regler knirscht ein wenig. Satte und saubere Leistung, bei CD Direct evtl. etwas wenig Bässe (subjektiv) das lässt sich aber über Bass und Kontrabass ausgleichen (nicht mehr CD Direkt).
  
== Links ==
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Ansonsten sehr sauber verarbeitet und auch nach über 20 Jahren alter neuwertige Optik!
  
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== Quellen ==
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* [[Onkyo A-8450|A-8450]]
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* Original Onkyo Bedienungsanleitung
  
[[Category:Integrated amplifier]]
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== Bilder ==
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http://www.hifi-wiki.de/images/thumb/7/75/IMG_onkyoa-8470.JPG/800px-IMG_onkyoa-8470.JPG

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