Editing Kücke KS V-32

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__NOTOC__
 
__NOTOC__
== Data ==
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== Daten ==
{{navigation}}
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{{Navigation}}
'''General'''
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'''Allgemein'''
* Manufacturer: [[Kücke]]
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* Hersteller: [[Kücke & Co.]]
* Model: KS V-32
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* Modell: KS V-32
* Year of manufacture: 80s
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* Baujahre: 80er
* Made in: West Germany
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* Hergestellt in: West Germany
* Color:  
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* Farbe: Champanger oder Sonderfarben
** Front: chanpage (brown keys); gold, chrome, black (black keys).
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* Typ: (Analog)
**Case: Brown for front: chanpage; Black for front: gold, chrome, black
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* Fernbedienung: ja über externes IR Fernbedienungs Modus in gleicher Gehäuseabmessung
* Type: (Analog)
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* Leistungsaufnahme: ca. 20VA
* Remote control: yes via external IR remote control module F52 in same housing dimension
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* Abmessungen: 445 x 60 x 380mm (BxHxT)
* Power consumption: approx. 20VA
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* Gewicht: 7,2 kg
* Dimensions: 445 x 60 x 380mm (WxHxD)
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* Neupreis ca.:
* Weight: 7,2 kg
 
* New price approx:
 
  
  
'''Connections'''
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'''Anschlüsse'''
* Number of inputs: 5
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* Anzahl der Eingänge: 5
** Reserve: 120 kOhm, 120 mV
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** Reserve: 120 kOhm, 120 mV
Tuner: 120 kOhm, 120 mV
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** Tuner: 120 kOhm, 120 mV
 
** Phono: 46 kOhm, 500 Ohm (MM/MC)
 
** Phono: 46 kOhm, 500 Ohm (MM/MC)
** Monitor 1: 120 kOhm, 12 0mV
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** Monitor 1: 120 kOhm, 12 0mV
** Monitor 2: 120 kOhm, 120 mV
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** Monitor 2: 120 kOhm, 120 mV
* Number of outputs: 4
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* Anzahl der Ausgänge: 4
 
** 2x Tape out
 
** 2x Tape out
** 2x Output (+6dBm 1,55 V, 100 Ohm)
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** 2x Output   (+6dBm 1,55 V, 100 Ohm)
  
  
'''Technical Data'''
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'''Technische Daten'''
* Frequency response:  
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* Frequenzgang:  
** Phono: 20 - 20,000 Hz (± 0.2dB).
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** Phono: 20 - 20.000 Hz (± 0,2dB)  
** High level up to 900 kHz at -3dB!!!!
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** Hochpegel bis 900 kHz bei -3dB!!!!
* Distortion factor: < 0.01%
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* Klirrfaktor: < 0,01%
* Signal-to-noise ratio: 94 dB (high level)
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* Signalrauschabstand: 94 dB (Hochpegel)
* Stereo channel separation: 44.5 dB (at 10 kHz)
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* Stereokanaltrennung: 44,5 dB (bei 10 kHz)
* Tone control
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* Klangregelung
** Bass: yes
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** Bass: ja
Treble: yes
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** Höhen: ja
* Loudness: no
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* Loudness: nein
* Subsonic: no
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* Subsonic: nein
* Mute: yes (-20 dB) (leads to a deterioration of the S/N ratio, as the signal is lowered by -20dB before the intermediate amplifier stage).
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* Mute: ja (-20 dB)
* Direct/Line-Straight: always, since tone control can be switched on.
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* Direct/Line-Straight: immer, da Tonregelung zuschaltbar
  
  
'''Special Features'''
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'''Besondere Ausstattungen'''
separately adjustable sensitivity in three steps per input on the top side switchable via slide switch
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* getrennt einstellbare Empfindlichkeit in drei Stufen je Eingang auf der Oberseite via Schiebeschalter umschaltbar
* reed relay input signal switching
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* Reedrelais Eingangssignalumschaltung
* Switchable tone control
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* Zuschaltbare Tonregelung
* Balance control -4dB to +3dB, i.e. the overall volume impression is maintained
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* Mono-Taste
* Mono button
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* Ferneinschaltung vom Tuner oder Endverstärker
* Remote switching from tuner or power amplifier
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* Fernsteuerung des aktiven Boxenpaars Box1, Box2 über Steuerleitung
* Remote control of active speaker pair Box1, Box2 via control line
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* Kanalgetrennte +6dBm Vollaussteuerungs-Anzeige durch rote LED  
* Channel-separated +6dBm full scale indication by red LED  
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* Umschaltung zwischen MM und MC  
* Switching between MM and MC pickup via top side slide switch
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* Passiver MC Vorverstärker mit Übertrager
* Passive MC preamplifier with transformer
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* Anpassung der Eingangskapazität des Phonoeingangs durch Drehschalter im Boden
* Adjustment of the input capacitance of the phono input by rotary switch in the bottom
 
  
== Remarks ==
 
  
* Parallel distributed by ASC electronic under the designation AS3200
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== Bemerkungen ==
* Compared to the ASC version, the KS V-32 has a mirrored (reversed) left and right +6dBm full scale display. (Since the PCB is installed overhead in the unit, it was probably not taken into account at that time that the position is swapped in the installation position).
 
  
Other models of the same series:
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* Parallel von ASC electronic unter der Bezeichung AS3200 vertrieben worden
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* Unterschied zwischen KS V-32 und AS3200. Der KS V-32 hat gegenüber der ASC Version eine Vertauschung an der linken und rechten +6dBm Vollaussteurungs-Anzeige.
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Weitere Modelle der gleichen Serie:
 
* Tuner T-22
 
* Tuner T-22
* Power amplifier E-42
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* Endstufe E-42
 
 
Possible error symptoms of the aging electronics:
 
 
 
* Audio signal first on one side, then at higher volume on both channels.
 
 
 
Oxidized RCA sockets (main cause) or cold soldered joint due to mechanical force.
 
 
 
--&gt; Oxidized relay contacts output, tone control, MM/MC switching (Attention: Siemenstype is not pin compatible with DIL relays). Clean contacts or replace relay with DIL version via adapter board.
 
 
 
* Reed relay switching faulty e.g. 1 channel simultaneous audio signals from two sources (rare fault)
 
--&gt; Measure all voltages at the reed relays possibly residual voltage in the range of 7V at another reed relay than the selected source. LEDs of the source display function as a diode decoupling matrix and are subjected to high reverse voltage (design error!). Increase of the reverse current of the LED due to aging can lead to the cause of the error (approx. 5kOhm in reverse direction).
 
 
 
* Broken potentiometers due to mechanical force on their axles (later avoided by changed design)
 
Cracking noises when operating the potentiometer, e.g. caused by a broken resistor track or faulty crimping of the connection pin (rare fault).
 
 
 
 
 
Only experienced electronics engineers should attempt to repair their valuable Kücke electronics. Often more is broken by the intervention (repair attempt) than repaired and ends up in the worst case in the online auction house. Burned traces, misaligned trimmers (you should know what you're doing if you mess with trimmers for no reason without knowing their function) etc. are the result.
 
  
If in doubt, contact the competent repair service of Kücke see link on the company profile!
 
  
== Pictures ==
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== Bilder ==
  
== Reports ==
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== Berichte ==
  
 
== Links ==
 
== Links ==
  
[[Category:Preamplifier]]
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[[Kategorie:Vorverstärker]]

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