Difference between revisions of "Yamaha AX-570"

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== Daten ==
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== Data ==
{{Navigation}}
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{{navigation}}
'''Allgemein'''
+
'''General'''
* Hersteller: [[Yamaha]]
+
* Manufacturer: [[Yamaha]]
* Modell: AX 570
+
* Model: AX 570
* Baujahre: 1994
+
* Type: Integrated amplifier
* Hergestellt in:
+
* Year of manufacture: 1993 - 1995
* Farbe: Schwarz
+
* Made in: Malaysia
* Typ: Analog, Stereo, Gegentaktverstärker
+
* Color: Black, Titanium
* Fernbedienung: Ja
+
* Remote control: optional
* Leistungsaufnahme: 210 W
+
* Power consumption: 210 W
* Abmessungen: 43,5 x 15 x 38,85 cm
+
* Dimensions: 435 × 150 × 388.5 mm (W×H×D)
* Gewicht: 11 kg
+
* Weight: approx. 13 kg
* Neupreis ca.: 700 DM
+
* Original price approx.: 900,- DM
  
  
'''Anschlüsse'''
+
'''Connections'''
* Anzahl der Eingänge: 6
+
* Number of inputs: 6
** Turntable umschaltbar
+
** Phono switchable
*** MM 2,5 mV an 47 kOhm  
+
*** MM 2,5 mV / 47 kOhm
*** MC 160yV an 220 Ohm
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*** MC 160 µV / 220 Ohm
** CD 150 mV an 47 kOhm
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** CD 150 mV / 47 kOhm
** Tuner 150 mV an 47 kOhm
+
** Tuner 150 mV / 47 kOhm
** Tape 1 + 2 150 mV an 47 kOhm
+
Tape 1 + 2 150 mV / 47 kOhm
** AUX 150 mV an 47 kOhm
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AUX 150 mV / 47 kOhm
** Main In 1 V an 10 kOhm
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** Main In 1 V / 10 kOhm
* Anzahl der Ausgänge:
+
* Number of outputs:
 
** Tape 1 + 2
 
** Tape 1 + 2
** Headphone
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** Headphones
** 2 mal 2 Speaker
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** 2 times 2 loudspeakers
  
'''Technische Daten'''
 
* Dauerleistung 
 
** 8 Ohm:
 
** 4 Ohm: 150 W
 
* Dynamikleistung
 
** 8 Ohm: 140 W
 
** 4 Ohm: 220 W
 
* Gesamtklirrfaktor: Bei 8 Ohm 0,015 %
 
* Dämpfungsfaktor: 320
 
* Frequenzgang:
 
**20 Hz - 20 kHz bei 100 W
 
**10 Hz - 50 kHt´z bei 50 W
 
* Signalrauschabstand:
 
* Stereokanaltrennung:
 
* Klangregelung:
 
** Bass: +/- 10 dB bei 20 Hz
 
** Höhen: +/- 10 dB bei 20 kHz
 
* Loudness: -30 dB bei 1 kHz, stufenlose Loudness, Natural Sound
 
* High Filter: Nein
 
* Low Filter (Subsonic): - 18 dB/ oct bei 15 Hz
 
* Mute: 2 Lautsprecherpaare an/ aus
 
* Direct/Line-Straight: Ja
 
  
 +
'''Technical Data'''
 +
* Continuous power
 +
** 8 Ohm: 2 × 100 W
 +
** 4 Ohm: 2 × 150 W
 +
** 2 Ohm: 2 × 200 W
 +
* Dynamic power
 +
** 8 Ohm: 2 × 140 W
 +
** 4 Ohm: 2 × 220 W
 +
** 2 Ohm: 2 × 300 W
 +
* Total harmonic distortion: at 8 Ohm 0.015 %
 +
* Attenuation factor: 320
 +
* Frequency response:
 +
** 20-20,000 Hz at 100 W
 +
10-50,000 Hz at 50 W
 +
* Signal-to-noise ratio:
 +
* Stereo Channel Separation:
 +
* Tone control:
 +
** Bass: ±10 dB at 20 Hz
 +
Treble: ±10 dB at 20 kHz
 +
* Loudness: -30 dB at 1 kHz, stepless loudness, natural sound
 +
* High Filter: No
 +
* Low Filter (Subsonic): -18 dB / oct at 15 Hz
 +
* Mute: 2 speaker pairs on / off
 +
* Direct/Line-Straight: yes
  
'''Besondere Ausstattungen'''
 
* Auftrennbare Vor- und- Endstufe
 
* Motorbetriebene Regler für Source und Volume
 
* Leuchtpunkte für Power, Source und Volume
 
* Symmetrischer Platinenaufbau
 
  
== Bemerkungen ==
+
'''Special Features'''
Weitere Modelle der gleichen Serie:
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* Eight power transistors
 +
* Separable pre- and power amplifier
 +
* Motor-driven controls for source and volume
 +
Gold-plated CD connectors
 +
* Illuminated dots for power, source and volume
 +
* Rec Out selector switch
 +
* Symmetrical circuit board design
  
== Bilder ==
+
== Notes ==
 +
* Other models in the same series:
 +
* [[Yamaha AX-380]]
 +
* [[Yamaha AX-470]]
 +
* [[Yamaha AX-570]]
 +
* [[Yamaha AX-870]]
 +
* [[Yamaha AX-1070]]
  
== Berichte ==
 
  
== Links ==
+
* [[Yamaha AX-550|AX-550]] * [[Yamaha AX-550|AX-550]]
 +
* [[Yamaha AX-550|AX-550]]
  
[[Kategorie:Vollverstärker]]
 
  
 +
* Successor model:
 +
* [[Yamaha AX-590|AX-590]]
  
  
 +
'''Sonically balanced ''' analog push-pull transistor amplifier with '''elegant, simple look'''.
 +
Natural sound philosophy of Yamaha, best components and still a proper full phono preamp MM and MC.
  
 +
The '''design''' of the Yamaha AX-570 is characterized by the round selection switches and stands out pleasantly from the very technical-looking variants.
 +
The '''metal housing''' is solidly constructed and the materials look very appealing. The discreet use of small light points for information round off the positive overall optical impression.
  
  
 +
== Pictures ==
 +
* Pictures: Yamaha AX-570
 +
[[File:Yamaha AX-570 0.jpeg|1000px]]
  
  
 +
<gallery>
 +
Yamaha AX-570 1.jpeg
 +
</gallery>
  
 +
<gallery>
 +
Yamaha AX-570 2.jpeg
 +
Yamaha AX-570 3.jpeg
 +
</gallery>
  
 +
== Reviews ==
 +
* STEREO: very good **
 +
* Stereoplay: top class II
 +
* Report in "FonoForum" 11 / 1993
  
== AX 570, ==
 
ca von 1994
 
  
'''Stereo Verstärker, hohe Qualität mit eleganter, schlichter Optik.'''
+
== Field report from 25.12.2009 ==
 +
* The user bought a unit on 30.12.1993 by mail order at DM 575,-.
 +
* Device so far okay, but unfortunately the motor-driven input selector switch (source) has been causing contact problems for some time. Contact spray does not help either.
 +
Repair is not worthwhile. Remedy: Input selector switch was bridged with wire jumpers in the "CD" position, i.e. this input is constantly switched through.
  
'''Klanglich sehr ausgewogen''', Natural Soundphilosophie von Yamaha, beste Bauteile und noch eine richtige vollwertige Phono Vorstufe MM und MC.  
+
My model is from 1992, in 2009 I replaced the input select switch myself. Cost switch ca.80 €. In addition, I replaced the 2 relays for the loudspeaker activation, the original ones had considerable contact problems at low volumes. Subjectively, the AX 570 now sounds even better than new.
Analoger Gegentakt-Transistorverstärker
 
  
[[Bild:Ybild1.jpg]]
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* Also had problems with the input selector switch and the volume pot. Took them both completely apart and cleaned them with a wattage stick and contact spray. Helped a lot, think like new. Now after a few years they are giving me problems again. Loudspeaker suctions A&amp;B are on all the time, I think the relay is stuck. Other than that I am very satisfied.
  
Das '''Design''' des Yamaha AX-570 wird durch die runden Auswahlschalter geprägt und hebt sich wohltuend von den sehr technisch wirkenden Varianten ab. Das Metallgehäuse ist solide konstruiert und die Materialien wirken sehr ansprechend. Der dezente Einsatz von kleinen Lichtpunkten zur Information runden den positiven optischen Gesamteindruck ab.
+
If you only clean the switches with contact spray you usually get problems again after a short time. You have to remove the contact spray from the switch/pot (e.g. with WL-spray), otherwise it will attack the contacts further. Afterwards the contacts are preserved e.g. with contact 61.
  
Ausgezeichnete STEREO-Berwertung
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A nice illustrated manual can be found here: http://hifi.harald-muss-bleiben.de/thread-606.html
 
  
'''Hier einige Technische Details:'''
+
Good luck, Sleeπ
Auftrennbare Vor- und Endstufe
 
Vorverstärkeranschluß
 
  
Grosser Abgschirmter Trafo
 
  
Enorme Leistungsreserven und Impulsbelastbarkeit
+
== Links ==
DIN-Ausgangsleistung pro Kanal 150W (4 Ohm)
+
* As usual : NEW switch with gold! (The whole series were such "economy switches" at that time.)HW
 
 
Dynamikleistung pro Kanal 8/6/4/2 Ohm ....... 140W/170W/220W/290W
 
 
 
Logischer, symmerischer  Schaltungsaufbau für max. Rauschfreiheit und niedrige Eigenverzerrungen
 
 
 
Schutzschaltung der Endstufe für sicheren Lauf im Leistungsgrenzbereich
 
 
 
Eingänge: CD, Tuner, Phono, Tape/DAT-1, Tape/DAT-2, AUX
 
 
 
Phono MM/MC-Wahlschalter
 
 
 
2 Lautsprecherpaare anschliessbar(getrennt schaltbar)
 
Lautsprecher Schraubanschlüsse
 
 
 
Rec Out-Wahlschalter
 
 
 
Stufenloser Loudness-Regler - Natural Sound
 
 
 
Pure Direkt-Funktion für hochwertige Tonwiedergabe
 
 
 
Subsonicfilter -Schalter
 
 
 
Bass, Treble, Balance
 
 
 
Fernbedienbar
 
Motorbetriebener Eingangswahlschalter
 
Motorbetriebener Volumenregler
 
 
 
Lautsprecherklemmen für Bananenstecker geeignet
 
 
 
Erhöhte Niederimpedanzaussteuerung
 
 
 
Gesamtklirrfaktor 0,005%
 
 
 
Frequenzgang (20 - 20.000 Hz)+/-05dB
 
 
 
Vibrationsstabiles Gehäuse
 
 
 
Kopfhörerausgang
 
  
Abmessungen:435x150x388,5mm(BxHxT)
 
  
Gewicht:11Kg
+
[[Category:Integrated amplifier]]

Latest revision as of 05:52, 17 February 2021

Data[edit]

General

  • Manufacturer: Yamaha
  • Model: AX 570
  • Type: Integrated amplifier
  • Year of manufacture: 1993 - 1995
  • Made in: Malaysia
  • Color: Black, Titanium
  • Remote control: optional
  • Power consumption: 210 W
  • Dimensions: 435 × 150 × 388.5 mm (W×H×D)
  • Weight: approx. 13 kg
  • Original price approx.: 900,- DM


Connections

  • Number of inputs: 6
    • Phono switchable
      • MM 2,5 mV / 47 kOhm
      • MC 160 µV / 220 Ohm
    • CD 150 mV / 47 kOhm
    • Tuner 150 mV / 47 kOhm

Tape 1 + 2 150 mV / 47 kOhm AUX 150 mV / 47 kOhm

    • Main In 1 V / 10 kOhm
  • Number of outputs:
    • Tape 1 + 2
    • Headphones
    • 2 times 2 loudspeakers


Technical Data

  • Continuous power
    • 8 Ohm: 2 × 100 W
    • 4 Ohm: 2 × 150 W
    • 2 Ohm: 2 × 200 W
  • Dynamic power
    • 8 Ohm: 2 × 140 W
    • 4 Ohm: 2 × 220 W
    • 2 Ohm: 2 × 300 W
  • Total harmonic distortion: at 8 Ohm 0.015 %
  • Attenuation factor: 320
  • Frequency response:
    • 20-20,000 Hz at 100 W

10-50,000 Hz at 50 W

  • Signal-to-noise ratio:
  • Stereo Channel Separation:
  • Tone control:
    • Bass: ±10 dB at 20 Hz

Treble: ±10 dB at 20 kHz

  • Loudness: -30 dB at 1 kHz, stepless loudness, natural sound
  • High Filter: No
  • Low Filter (Subsonic): -18 dB / oct at 15 Hz
  • Mute: 2 speaker pairs on / off
  • Direct/Line-Straight: yes


Special Features

  • Eight power transistors
  • Separable pre- and power amplifier
  • Motor-driven controls for source and volume

Gold-plated CD connectors

  • Illuminated dots for power, source and volume
  • Rec Out selector switch
  • Symmetrical circuit board design

Notes[edit]




Sonically balanced analog push-pull transistor amplifier with elegant, simple look. Natural sound philosophy of Yamaha, best components and still a proper full phono preamp MM and MC.

The design of the Yamaha AX-570 is characterized by the round selection switches and stands out pleasantly from the very technical-looking variants. The metal housing is solidly constructed and the materials look very appealing. The discreet use of small light points for information round off the positive overall optical impression.


Pictures[edit]

  • Pictures: Yamaha AX-570

Yamaha AX-570 0.jpeg


Reviews[edit]

  • STEREO: very good **
  • Stereoplay: top class II
  • Report in "FonoForum" 11 / 1993


Field report from 25.12.2009[edit]

  • The user bought a unit on 30.12.1993 by mail order at DM 575,-.
  • Device so far okay, but unfortunately the motor-driven input selector switch (source) has been causing contact problems for some time. Contact spray does not help either.

Repair is not worthwhile. Remedy: Input selector switch was bridged with wire jumpers in the "CD" position, i.e. this input is constantly switched through.

My model is from 1992, in 2009 I replaced the input select switch myself. Cost switch ca.80 €. In addition, I replaced the 2 relays for the loudspeaker activation, the original ones had considerable contact problems at low volumes. Subjectively, the AX 570 now sounds even better than new.

  • Also had problems with the input selector switch and the volume pot. Took them both completely apart and cleaned them with a wattage stick and contact spray. Helped a lot, think like new. Now after a few years they are giving me problems again. Loudspeaker suctions A&B are on all the time, I think the relay is stuck. Other than that I am very satisfied.

If you only clean the switches with contact spray you usually get problems again after a short time. You have to remove the contact spray from the switch/pot (e.g. with WL-spray), otherwise it will attack the contacts further. Afterwards the contacts are preserved e.g. with contact 61.

A nice illustrated manual can be found here: http://hifi.harald-muss-bleiben.de/thread-606.html

Good luck, Sleeπ


Links[edit]

  • As usual : NEW switch with gold! (The whole series were such "economy switches" at that time.)HW