Difference between revisions of "Yamaha C-4"

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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: [[Yamaha]]
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* Manufacturer: [[Yamaha]]
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* Modell: C-4
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* Model: C-4
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* Baujahre: 1979-1981
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* Type: Preamplifier
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* Hergestellt in: Japan
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* Years of manufacture: 1979 - 1981
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* Typ: Vorverstärker
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* Made in: Japan
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* Fernbedienung: Nein
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* Color: Black
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* Leistungsaufnahme: 50 Watt (35 VA)
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* Remote control: No
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* Abmessungen: 435 x 116 x 376 mm (B x H x T)
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* Power consumption: 50 watts (35 VA)
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* Gewicht: 8,7 kg
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* Dimensions: 435 x 116 x 376 mm (W x H x D)
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* Farbe: schwarz
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* Weight: 8.7 kg
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* Neupreis ca.: 1250,- DM
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* Original price approx.: 1250,- DM
  
  
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'''Anschlüsse'''
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'''Connections'''
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* Anzahl der Eingänge:
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* Number of inputs:
 
** 2x Phono MM
 
** 2x Phono MM
 
** 1x Phono MC
 
** 1x Phono MC
 
** 2x Tape
 
** 2x Tape
 
** Tuner, Aux
 
** Tuner, Aux
−
* Anzahl der Ausgänge:
+
* Number of outputs:
 
** 2x Pre-Out
 
** 2x Pre-Out
 
** 2x Rec-Out
 
** 2x Rec-Out
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** 1x Kopfhörer
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** 1x headphones
  
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'''Technische Daten'''
+
 
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* Eingang (Empfindlichkeit/Impedanz)
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'''Technical Data'''
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** Phono MM: 1,0 mV/100 Ohm/33 KOhm/47 KOhm/68 KOhm/100 KOhm
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* Input (Sensitivity/Impedance)
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** Phono MC: 0,1 mV
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** Phono MM: 1.0 mV/100 Ohm/33 KOhm/47 KOhm/68 KOhm/100 KOhm
 +
** Phono MC: 0.1 mV
 
** Tape, Tuner, Aux: 75mV/47 KOhm
 
** Tape, Tuner, Aux: 75mV/47 KOhm
−
* Ausgang (Pegel/Impedanz)
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* Output (level/impedance)
 
** Pre-Out 1V (max. 19 V)/600 Ohm
 
** Pre-Out 1V (max. 19 V)/600 Ohm
−
** Rec-Out 75mV (max. 1,3 V)/180 Ohm
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Rec-Out 75mV (max. 1.3 V)/180 Ohm
−
* Frequenzgang: 2 Hz - 1 MHz (-2 dB)
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* Frequency response: 2 Hz - 1 MHz (-2 dB)
−
* Phono-Entzerrung: RIAA (3180/318/75 µs)
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* Phono equalization: RIAA (3180/318/75 µs)
−
* Klangregelung
+
* Tone control
−
** Bass: ± 10dB, Einsatzfrequenz regelbar
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** Bass: ± 10dB, insert frequency adjustable.
−
** Höhen: ± 10dB, Einsatzfrequenz regelbar
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Treble: ± 10dB, insert frequency adjustable
−
* Loudness: Nein
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* Loudness: No
−
* Subsonic:  
+
* Subsonic: Yes (15Hz)
−
* Mute: Ja (-20 dB)
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* Mute: Yes (-20 dB)
 
* Direct/Line-Straight: Tone-Bypass
 
* Direct/Line-Straight: Tone-Bypass
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* Brummspannungsabstand (kurzgeschlossen): 106 dB
+
* Signal-to-noise ratio (short-circuited): 106 dB
−
* Klirrfaktor: <= 0,001% (1 kHz)
+
Distortion: <= 0,001% (1 kHz)
 
* Stereokanaltrennung: 85 dB
 
* Stereokanaltrennung: 85 dB
 
* Signalrauschabstand:  
 
* Signalrauschabstand:  
−
* Geräuschspannungsabstand: >136 dB (>= 70 dB Phono MC)
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* Geräuschspannungsabstand: >136 dB (&gt;= 70 dB Phono MC)
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* Fremdspannungsabstand:  
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* External voltage spacing:  
 
** Phono MM: 114 dB
 
** Phono MM: 114 dB
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** Phono MC: 58 dB
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Phono MC: 58 dB
−
** AUX/Tape/Tuner: 114 dB
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AUX/Tape/Tuner: 114 dB
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** Kanalabweichung: +- 0,2 dB
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** Channel deviation: +- 0.2 dB
 +
 
 +
 
 +
'''Special Features'''
 +
* Low-Filter -12 dB: 15 Hz
 +
* High-Filter -12 dB: 10 kHz
 +
* record selector can be switched off
 +
* separate volume control for the headphone output
 +
* mono/stereo/stereo reversible switchable
 +
* Pre-Outs can be switched off separately
 +
* capacitance and impedance of the Phono-MM inputs adjustable
 +
 
 +
== Notes ==
 +
* Other models in the same series:
 +
* [[Yamaha C-2a]]
 +
* [[Yamaha C-4|Yamaha C-4]]
 +
* [[Yamaha C-6]]
 +
 
 +
 
 +
* [[Yamaha C-6]]
 +
* None
 +
 
 +
 
 +
* Successor model:
 +
* [[Yamaha C-50]]
  
  
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'''Besondere Ausstattungen'''
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== Pictures ==
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* Low-Filter -3 dB: 6,4 Hz
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* Image: Yamaha C-4
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* High-Filter -3 dB: 12 kHz
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[[File:Yamaha C-4-1.jpg|1600px]]
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* abschaltbarer Record-Selector
 
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* getrennter Lautstärkeregler für den Kopfhörerausgang
 
−
* Mono/Stereo/Stereo verkehrt schaltbar
 
−
* Pre-Outs getrennt abschaltbar
 
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* Kapazität und Impedanz der Phono-MM Eingänge anpassbar
 
  
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== Bemerkungen ==
 
−
Weitere Modelle der gleichen Serie:
 
−
* [[Yamaha C-2a|C-2a]]
 
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* [[Yamaha C-4|C-4]]
 
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* [[Yamaha C-6|C-6]]
 
  
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Vorgängermodell:
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<gallery>
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* keines
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Yamaha C-4 1.JPG
 +
Yamaha C-4 5.JPG
 +
Yamaha C-4 4.JPG
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Yamaha C-4 2.JPG
 +
Yamaha C-4 6.JPG
 +
</gallery>
  
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Nachfolgemodell:
 
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* [[Yamaha C-50|C-50]]
 
  
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== Bilder ==
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== Reviews ==
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[[Bild:Yamahac4.jpg]]
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* The Yamaha C-4 is the preamp to the power amp M-4, it's build quality is very good, everything is metal and sits right where it should. The button lights usually don't fail, meaning you don't have to replace them often, in most cases I think these units still have the orginal lights. The phono preamp is excellent and the sound control options are definitely enough. Very practical are the two pre-outs for two power amplifiers. The preamp is very heavy, which again speaks for its good workmanship. The C-4 gets quite warm when it is in operation, which according to oral tradition is due to a Class-A circuit. Conclusion: The Yamaha C-4 is highly recommended and is an excellent match for the M-4 and M-2 power amplifiers.
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{{Bild Audioscope}}
 
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http://www.audioscope.net/images/yamahac4-2.jpg
 
  
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== Berichte ==
 
  
 
== Links ==
 
== Links ==
  
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[[Kategorie:Vorverstärker]]
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[[Category:Preamplifier]]</=>

Latest revision as of 07:49, 19 August 2019

Data[edit]

General

  • Manufacturer: Yamaha
  • Model: C-4
  • Type: Preamplifier
  • Years of manufacture: 1979 - 1981
  • Made in: Japan
  • Color: Black
  • Remote control: No
  • Power consumption: 50 watts (35 VA)
  • Dimensions: 435 x 116 x 376 mm (W x H x D)
  • Weight: 8.7 kg
  • Original price approx.: 1250,- DM


Connections

  • Number of inputs:
    • 2x Phono MM
    • 1x Phono MC
    • 2x Tape
    • Tuner, Aux
  • Number of outputs:
    • 2x Pre-Out
    • 2x Rec-Out
    • 1x headphones


Technical Data

  • Input (Sensitivity/Impedance)
    • Phono MM: 1.0 mV/100 Ohm/33 KOhm/47 KOhm/68 KOhm/100 KOhm
    • Phono MC: 0.1 mV
    • Tape, Tuner, Aux: 75mV/47 KOhm
  • Output (level/impedance)
    • Pre-Out 1V (max. 19 V)/600 Ohm

Rec-Out 75mV (max. 1.3 V)/180 Ohm

  • Frequency response: 2 Hz - 1 MHz (-2 dB)
  • Phono equalization: RIAA (3180/318/75 µs)
  • Tone control
    • Bass: ± 10dB, insert frequency adjustable.

Treble: ± 10dB, insert frequency adjustable

  • Loudness: No
  • Subsonic: Yes (15Hz)
  • Mute: Yes (-20 dB)
  • Direct/Line-Straight: Tone-Bypass
  • Signal-to-noise ratio (short-circuited): 106 dB

Distortion: <= 0,001% (1 kHz)

  • Stereokanaltrennung: 85 dB
  • Signalrauschabstand:
  • Geräuschspannungsabstand: >136 dB (>= 70 dB Phono MC)
  • External voltage spacing:
    • Phono MM: 114 dB

Phono MC: 58 dB AUX/Tape/Tuner: 114 dB

    • Channel deviation: +- 0.2 dB


Special Features

  • Low-Filter -12 dB: 15 Hz
  • High-Filter -12 dB: 10 kHz
  • record selector can be switched off
  • separate volume control for the headphone output
  • mono/stereo/stereo reversible switchable
  • Pre-Outs can be switched off separately
  • capacitance and impedance of the Phono-MM inputs adjustable

Notes[edit]




Pictures[edit]

  • Image: Yamaha C-4

Yamaha C-4-1.jpg


  • Yamaha C-4 1.JPG
  • Yamaha C-4 5.JPG
  • Yamaha C-4 4.JPG
  • Yamaha C-4 2.JPG
  • Yamaha C-4 6.JPG


Reviews[edit]

  • The Yamaha C-4 is the preamp to the power amp M-4, it's build quality is very good, everything is metal and sits right where it should. The button lights usually don't fail, meaning you don't have to replace them often, in most cases I think these units still have the orginal lights. The phono preamp is excellent and the sound control options are definitely enough. Very practical are the two pre-outs for two power amplifiers. The preamp is very heavy, which again speaks for its good workmanship. The C-4 gets quite warm when it is in operation, which according to oral tradition is due to a Class-A circuit. Conclusion: The Yamaha C-4 is highly recommended and is an excellent match for the M-4 and M-2 power amplifiers.


Links[edit]

</=>

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