Difference between revisions of "Onkyo A-8470"

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== Daten ==
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__NOTOC__
{{Navigation}}
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== Data ==
'''Allgemein'''
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{{navigation}}
* Hersteller: [[Onkyo]]
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'''General'''
* Modell: A-8470
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* Manufacturer: [[Onkyo]]
* Baujahre: ca. 1987
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* Model: A-8470 - [[https://www.hifi-wiki.de/index.php/Onkyo_Integra-Serie#Ger.C3.A4te_der_Integra-Serie Integra Series]]
* Typ: Vollverstärker
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* Type: Integrated amplifier
* Fernbedienung: Nein
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* Years of manufacture: 1987 - 1988
* Leistungsaufnahme:?  (min 330 Watt) siehe [[Onkyo A-8450|A-8450]]
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* Made in: Japan
* Abmessungen: 435 × 157 × 396 mm (B×H×T)  
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* Colours: Silver, Black
* Gewicht: 13,2 kg
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* Remote control: No
* Farbe: silber (und schwarz)
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* Power consumption: 360 W
* Neupreis ca.: 1000,- DM
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* Dimensions: 435 x 157 x 396 mm (WxHxD)  
 +
* Weight: 13.2 kg
 +
* Original price approx.: 1'000 DM
  
'''Anschlüsse'''
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* Anzahl der Eingänge: 6 (Cinch)
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'''Connections'''
 +
* Number of inputs: 6
 
** Phono (MM/MC)
 
** Phono (MM/MC)
 
** Tuner
 
** Tuner
 
** CD
 
** CD
** 2× Aux (VCR und VDP)
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2x Aux (VCR and VDP)
** Tape
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** 2x Tape
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 +
* Number of outputs: 3
 +
** Headphones (6,3 mm jack)
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** 2x Tape Rec.
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** 2x loudspeaker
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 +
 
 +
'''Technical Data'''
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* Continuous power (at distortion factor)
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** 8 Ohm: 115 W / 1 kHz
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4 Ohm: 150 W / 1 kHz
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* Dynamic power
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** 8 Ohm: 170 W
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** 4 Ohm: 235 W
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** 2 Ohm: 303 W
 +
* Total harmonic distortion: 0.008%
 +
* Intermodulation distortion: 0.005% at rated power
 +
* Attenuation factor: 50 (at 8 ohms)
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* Input (Sensitivity/ Impedance)
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** Phono (MM): 2.5 mV / 50 kOhm (94dB at 5.0 mV input), (MC): 160 µV / 220 kOhm (75dB at 0.6 mV input)
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Tuner, CD, CD Direct, Aux, Tape = 150 mV / 50 kOhm (CD Direct: 107 dB)
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* 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)
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Treble: +/-8 dB (at 20 kHz)
 +
* Loudness: No
 +
* Subsonic: no
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* Mute: yes (-20 dB)
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* CD-Direct/Line-Straight: yes
 +
 
 +
 
 +
'''Special Features'''
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* 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
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* Switching off the power amplifier in case of speaker overload
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* The position settings of the direct selection switches (switched) are backlit
 +
 
 +
== Remarks ==
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* Other models in the same series:
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* [[Onkyo A-8420]]
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* [[Onkyo A-8430]]
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* [[Onkyo A-8450]]
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* [[Onkyo A-8470]]
  
* Anzahl der Ausgänge: 3
 
** Kopfhörer (6,3 mm Klinke)
 
** 2× Tape Rec.
 
** 2× Lautsprecher
 
  
 +
== Pictures ==
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* [[Picture: Onkyo A-8470
 +
[[File:Onkyo A-8470-1.jpg]]
  
'''Technische Daten'''
 
* Sinusleistung:
 
** 2× 150 Watt an 4 Ohm, 2× 115 Watt an 8 Ohm
 
** 100 Watt pro Kanal an 8 Ohm, beide Kanäle ausgesteuert, 20 Hz bis 20.000 Hz, bei einem Gesamtklirrfaktor von höchstens 0,008%
 
* Ausgangsleistung:
 
** 2× 303 Watt an 2 Ohm
 
** 2× 235 Watt an 4 Ohm
 
* Gesamtklirrfaktor: 0,008% bei Nennleistung und bei 1 Watt
 
* Intermodulationsverzerrung: 0,005% bei Nennleistung
 
* Dämpfungsfaktor: 50 (bei 8 Ohm)
 
* Eingang (Empfindlichkeit/Impedanz)
 
** Phono (MM): 2,5 mV / 50 kOhm
 
** Phono (MC): 160 µV / 50 kOhm
 
** Tuner, CD, CD direkt, Aux, Tape: 150 mV / 50 kOhm
 
** Tape Rec.: 150 mV / 1,5 kOhm
 
* Ausgang (Pegel/Impedanz):
 
* Frequenzgang: 2 - 50.000 Hz (+0, -1 dB)
 
* Klangregelung:
 
** Contrabass: ±10 dB Mute OFF / ±20 dB Mute ON (bei 20 Hz)
 
** Bass: ±10 dB (bei 70 Hz)
 
** Höhen: ±8 dB (bei 20 kHz)
 
* Loudness: Nein
 
* Subsonic: nein
 
* Mute: ja (-20 dB)
 
* Direct/Line-Straight: ja
 
  
'''Besondere Ausstattungen'''
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== Reports ==
* Einschaltverzögerung per Relais
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* 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).
* Abschalten der Endstufe bei Überlastung der Lautsprecher
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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).
 +
For purists, an all-around great (real) analog amplifier without any A/D converters and servo drives (remote control).
 +
Otherwise, very cleanly processed and even after more than 20 years old optics as good as new!
  
== Bemerkungen ==
 
Weitere Modelle der gleichen Serie:
 
* [[Onkyo A-8420|A-8420]]
 
* [[Onkyo A-8430|A-8430]]
 
* [[Onkyo A-8450|A-8450]]
 
* [[Onkyo A-8470|A-8470]]
 
  
== Berichte ==
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== Links ==
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).
 
  
Ansonsten sehr sauber verarbeitet und auch nach über 20 Jahren alter neuwertige Optik!
 
  
== Quellen ==
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[[Category:Integrated amplifier]]
* [[Onkyo A-8450|A-8450]]
 
* Original Onkyo Bedienungsanleitung
 

Latest revision as of 15:09, 12 March 2021

Data[edit]

General

  • Manufacturer: Onkyo
  • Model: A-8470 - [Integra Series]
  • Type: Integrated amplifier
  • Years of manufacture: 1987 - 1988
  • Made in: Japan
  • Colours: Silver, Black
  • Remote control: No
  • Power consumption: 360 W
  • Dimensions: 435 x 157 x 396 mm (WxHxD)
  • Weight: 13.2 kg
  • Original price approx.: 1'000 DM


Connections

  • Number of inputs: 6
    • Phono (MM/MC)
    • Tuner
    • CD

2x Aux (VCR and VDP)

    • 2x 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[edit]


Pictures[edit]

  • [[Picture: Onkyo A-8470

Onkyo A-8470-1.jpg


Reports[edit]

  • 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).

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). For purists, an all-around great (real) analog amplifier without any A/D converters and servo drives (remote control). Otherwise, very cleanly processed and even after more than 20 years old optics as good as new!


Links[edit]