Difference between revisions of "Kenwood KX-9010"

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== Daten ==
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__NOTOC__
{{Navigation}}
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== Data ==
'''Allgemein'''
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{{navigation}}
* Hersteller: [[Kenwood]]
+
'''General'''
* Modell: KX-9010
+
* Manufacturer: [[Kenwood]]
* Typ: Einzel
+
* Model: KX-9010
* Baujahre: 1989 - 1990
+
* Type: Compact Cassette Tape Deck
* Hergestellt in:
+
* Type: Front loader
* Farbe: schwarz
+
* Years of manufacture: 1989 - 1992
* Fernbedienung: ja (RC-X9010)
+
* Made in: Japan
* Leistungsaufnahme: 25 Watt
+
* Color: Black
* Abmessungen: 440 x 127 x 321 mm (B x H x T)
+
* Mains connection: 220 V / 50 Hz
* Gewicht: 6,7 kg  
+
* Power consumption: 25 W
* Neupreis ca.: 1200,- DM
+
* Dimensions: 440 x 127 x 321 mm (WxHxD)
 +
* Mass: 6.7 kg  
 +
* Original price approx.: 1.200 DM
  
  
'''Anschlüsse'''
+
'''Technical Data'''
* Anzahl der Eingänge:  
+
* HF premagnetization: 105 kHz
** Line (Input) = 77,5 mV/50 kOhm
+
* Audio heads: 1 x recording head, 1x playback head (amorphous alloy), 1 x erasing head (ferrite-sendust)
** Mikrofon (Input) = 0,3 mV/600 Ohm
+
* Motors: 3
* Anzahl der Ausgänge:  
+
** Direct drive (FG servo runner for tone shaft drive, double capstan, coupled via flat belt),
** Line (Output) = 490 mV/ 2 kOhm
+
** DC drive for winding plate,
** Kopfhörer = 30 mW (Lastimpedanz 8 Ohm, Phones Level-Regler max.)
+
** DC drive for control functions and head carriage. 
 +
* Synchronous drive fluctuations: 0.024 % (WRMS) / 0.06 % (DIN) / (Audio 7/1989: 0.03 % DIN, evaluated).
 +
* Tape types: IEC Type I, II, IV
 +
* Frequency response:
 +
** Type I: 20 to 18,000 Hz (+/- 3dB).
 +
** Type II: 20 to 18,000 Hz (+/- 3dB)
 +
Type IV: 20 to 21,000 Hz (+/- 3dB)
 +
* Distortion factor: < 0.6 % (1 kHz, type IV))
 +
* Signal-to-noise ratio (Type IV):
 +
** with Dolby C: 74 dB
 +
** with Dolby B: 67 dB
 +
** without Dolby : 59 dB
 +
* Input sensitivity/impedance:
 +
** Line RCA/Cinch R/L = 77.5 mV / 50 kOhm
 +
** Microphone 6.35 mm jack R/L = 0.3 mV / 600 Ohm
 +
* Output level/impedance:  
 +
** Line RCA/RCA R/L = 490 mV / 2 kOhm
 +
** Headphones 6.35 mm jack = 30 mW / 8 Ohm (level control max.)
 +
* Rewind time (C-60): 80 seconds
 +
* Noise reduction Dolby B, C, dynamic extension HX-Pro
  
== Technische Daten ==
 
* Tonköpfe: 1 x Aufnahme und Wiedergabekombikopf (Amorphlegierung), 1 x Löschkopf (Ferrit-Sendust)
 
* Motoren: 3
 
** Direktantrieb (FG-Servoläufer für Tonwellenantrieb, Doppel-Capstan, gekoppelt über Flachriemen),
 
** Gleichstromantrieb für Wickelteller,
 
** Gleichstromantrieb für Steuerfunktionen und Kopfschlitten. 
 
* Gleichlaufschwankungen: nicht mehr als 0,024% (WRMS), nicht mehr als 0,06% (DIN)
 
* Bandarten:
 
* Frequenzgang:
 
** Normalband 20 bis 18000 Hz (+/- 3dB)
 
** Chromband  20 bis 18000 Hz (+/- 3dB)
 
** Metallband 20 bis 21000 Hz (+/- 3dB)
 
* Klirrfaktor: < 0,6% (-4 dB)
 
* Signalrauschabstand: (mit Reineisen)
 
** mit Dolby-C: 74db
 
** mit Dolby-B: 67db
 
** ohne Dolby : 59db
 
* Umspulzeit (C-60 Band): 80 Sekunden
 
* Auto-Reverse: nein
 
* Titelsuchlauf: Nein
 
* Dolby: B + C
 
* MPX-Filter: Ja / schaltbar
 
* Fader; Record Balance
 
* Pitch-Kontrolle: Nein
 
* CD-Synchro-Aufnahme: Ja (über Technics Systembus)
 
  
 +
'''Special Features'''
 +
* ATCS (Automatic Tape Calibration System = automatic tape calibration)
 +
* Dual-Capstan drive with closed tape guide
 +
MPX filter (switchable)
 +
* Infrared remote control (RC-X9010)
 +
* CD synchro recording (via Kenwood system bus)
 +
* Tape counter with real-time display
 +
* Memory stop (counter reading 0000)
 +
* Timer switch for recording/playback
 +
* Headphone output gold-plated, with level control
 +
* Microphone input R/L gold-plated
 +
* RCA/Cinch line in/out gold-plated
 +
* Auto eject (open/close): No
 +
* Repeat playback: entire band
 +
* Peak Hold - peak level remains "stationary" for a short time - for better recording control
 +
* Automatic tape tightening when inserting the cassette (not yet a matter of course in 1989)
  
'''Besondere Ausstattungen'''
+
== Remarks ==
* ATCS(automatische Bandeinmessung)
+
Other models of the same series:
* Dolbx HX Pro-System
 
* 3 Tonköpfe
 
* Hinterbandkontrolle - Automatische Mithörwahl (Band/Programmquelle)- manuell schaltbar
 
* 3 Motoren
 
* Dual- Capstan- Laufwerk mit geschlossener Bandführung
 
* Anzeigeabschaltung: Nein
 
* Band-Zählwerk mit Echt-Zeit Anzeige
 
* Memory-Stop (Zählwerksstand 0000)
 
* Wiedergabe/Aufnahme-Timer-Startfunktion
 
* Kopfhörerbuchse mit Pegelregelung
 
* Mikrofoneingang
 
* Auswurfautomatik (Öffnen/Schließen): Nein
 
* Wiederholwiedergabe: gesamtes Band
 
 
 
== Bemerkungen ==
 
Weitere Modelle der gleichen Serie:
 
  
 
* [[Kenwood KX-1010|KX-1010]]
 
* [[Kenwood KX-1010|KX-1010]]
Line 75: Line 71:
 
* [[Kenwood KX-9010|KX-9010]]
 
* [[Kenwood KX-9010|KX-9010]]
  
Vorgängermodell:
+
Predecessor model: [[Kenwood KX-1100 HX|KX-1100 HX]]
* [[Kenwood KX-1100 HX|KX-1100 HX]]
+
 
 +
Successor model: [[Kenwood KX-9050|KX-9050]] / [[Kenwood KX-9050 S|KX-9050 S]]
 +
 
 +
 
 +
* Apparently there were unit versions with and without microphone inputs (see photos below). These are located on the front left of the headphone jack on units sold in FRG Germany.
 +
 
 +
* The KX-9010 is a top class deck in terms of sound and construction and is on the level of [[Sony TC-K 770 ES]]/[[Sony TC-K 870 ES]] or [[Nakamichi CR-4 E]] or [[Nakamichi LX-5]]. However, self-recordings depend on the proper function of the automatic tape calibration, and this, due to very low-capacitance and age-susceptible electrolytic capacitors in its circuit, sometimes loses precision over the decades. If you are not afraid to do it yourself, you will get an absolute top class deck after a complete overhaul of the unit. However, pure opamp-prolling is not the best.
 +
 
 +
The unit has no extra bias control. The automatic calibration does all the calibration work during recording. The result can be listened to with backband control.
 +
There is no title search
 +
 
 +
== Pictures ==
 +
* Picture: Kenwood KX-9010
 +
[[File:Kx9010.jpg]]
 +
 
  
Nachfolgemodell:
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* Picture: Kenwood KX-9010
* [[Kenwood KX-9050|KX-9050]]
+
[[File:Kx9010.jpg]]
  
== Bilder ==
 
[[Datei:Kx9010a.jpg]]
 
  
 +
* Image: Kenwood KX-9010
 +
http://www.hifi-wiki.de/images/thumb/1/10/Kenwood_KX-9010_1_vorn_schr%C3%A4g_re.jpg/1200px-Kenwood_KX-9010_1_vorn_schr%C3%A4g_re.jpg
  
[[Datei:Kx9010.jpg]]
 
== Berichte ==
 
* Audio (): Oberklasse (75 Punkte /4 Ohren)
 
* Stereo (5/89): Absolute Spitzenklasse *** - Exzellent
 
* Stereoplay (7/89): Spitzenklasse III Referenz
 
  
Das KX-9010 ist klanglich und vom Aufbau her ein Spitzenklassedeck
+
* Picture: Kenwood KX-9010
und liegt auf dem Niveau von [[Sony TC-K 770 ES|Sony TC-K770]]/[[Sony TC-K 870 ES|870]] oder [[Nakamichi CR-4 E|Nakamichi CR-4]] oder
+
http://www.hifi-wiki.de/images/thumb/4/4a/Kenwood_KX-9010_1_vorn2.jpg/1199px-Kenwood_KX-9010_1_vorn2.jpg
[[Nakamichi LX-5|LX-5]].
 
Eigenaufnahmen sind aber von der einwandfreien Funktion der automatischen Bandeinmessung abhängig, und diese, bedingt durch sehr niederkapazitive und alterungsanfällige Elkos in dessen Schaltung, verliert manchmal an Präzision über die Jahrezehnte.
 
Wer sich nicht scheut, selbst Hand anzulegen, bekommt nach einer Vollrevision
 
des Gerätes klanglich ein absolutes Topclassdeck. Reines Opamprolling ist
 
jedoch nicht der Bringer.
 
  
  
 +
* Excerpt from Kenwood catalog Hifi '89/'90
 +
[[File:Kenwood_KX-9010_(Hifi_89-90).jpg]]
  
 +
== Reports ==
 +
* Audio 7/1989: Upper class, 75 points - 4 ears, test winner before Denon DRM-800. 1st place of the upper class devices.
 +
* Stereo 5/89: Absolute top class *** - Excellent
 +
* Stereoplay 7/89: Top class III reference. 2nd place after Denon DRM-800
 +
* Hifi Vision 10/1989: Top class, 5th place, overall rating: Very good.
  
 +
== Links ==
  
  
[[Kategorie:Kassettendecks]]
+
[[Category:Cassette decks]]

Latest revision as of 06:31, 17 February 2021

Data[edit]

General

  • Manufacturer: Kenwood
  • Model: KX-9010
  • Type: Compact Cassette Tape Deck
  • Type: Front loader
  • Years of manufacture: 1989 - 1992
  • Made in: Japan
  • Color: Black
  • Mains connection: 220 V / 50 Hz
  • Power consumption: 25 W
  • Dimensions: 440 x 127 x 321 mm (WxHxD)
  • Mass: 6.7 kg
  • Original price approx.: 1.200 DM


Technical Data

  • HF premagnetization: 105 kHz
  • Audio heads: 1 x recording head, 1x playback head (amorphous alloy), 1 x erasing head (ferrite-sendust)
  • Motors: 3
    • Direct drive (FG servo runner for tone shaft drive, double capstan, coupled via flat belt),
    • DC drive for winding plate,
    • DC drive for control functions and head carriage.
  • Synchronous drive fluctuations: 0.024 % (WRMS) / 0.06 % (DIN) / (Audio 7/1989: 0.03 % DIN, evaluated).
  • Tape types: IEC Type I, II, IV
  • Frequency response:
    • Type I: 20 to 18,000 Hz (+/- 3dB).
    • Type II: 20 to 18,000 Hz (+/- 3dB)

Type IV: 20 to 21,000 Hz (+/- 3dB)

  • Distortion factor: < 0.6 % (1 kHz, type IV))
  • Signal-to-noise ratio (Type IV):
    • with Dolby C: 74 dB
    • with Dolby B: 67 dB
    • without Dolby : 59 dB
  • Input sensitivity/impedance:
    • Line RCA/Cinch R/L = 77.5 mV / 50 kOhm
    • Microphone 6.35 mm jack R/L = 0.3 mV / 600 Ohm
  • Output level/impedance:
    • Line RCA/RCA R/L = 490 mV / 2 kOhm
    • Headphones 6.35 mm jack = 30 mW / 8 Ohm (level control max.)
  • Rewind time (C-60): 80 seconds
  • Noise reduction Dolby B, C, dynamic extension HX-Pro


Special Features

  • ATCS (Automatic Tape Calibration System = automatic tape calibration)
  • Dual-Capstan drive with closed tape guide

MPX filter (switchable)

  • Infrared remote control (RC-X9010)
  • CD synchro recording (via Kenwood system bus)
  • Tape counter with real-time display
  • Memory stop (counter reading 0000)
  • Timer switch for recording/playback
  • Headphone output gold-plated, with level control
  • Microphone input R/L gold-plated
  • RCA/Cinch line in/out gold-plated
  • Auto eject (open/close): No
  • Repeat playback: entire band
  • Peak Hold - peak level remains "stationary" for a short time - for better recording control
  • Automatic tape tightening when inserting the cassette (not yet a matter of course in 1989)

Remarks[edit]

Other models of the same series:

Predecessor model: KX-1100 HX

Successor model: KX-9050 / KX-9050 S


  • Apparently there were unit versions with and without microphone inputs (see photos below). These are located on the front left of the headphone jack on units sold in FRG Germany.
  • The KX-9010 is a top class deck in terms of sound and construction and is on the level of Sony TC-K 770 ES/Sony TC-K 870 ES or Nakamichi CR-4 E or Nakamichi LX-5. However, self-recordings depend on the proper function of the automatic tape calibration, and this, due to very low-capacitance and age-susceptible electrolytic capacitors in its circuit, sometimes loses precision over the decades. If you are not afraid to do it yourself, you will get an absolute top class deck after a complete overhaul of the unit. However, pure opamp-prolling is not the best.

The unit has no extra bias control. The automatic calibration does all the calibration work during recording. The result can be listened to with backband control. There is no title search

Pictures[edit]

  • Picture: Kenwood KX-9010

Kx9010.jpg


  • Picture: Kenwood KX-9010

Kx9010.jpg


  • Image: Kenwood KX-9010

1200px-Kenwood_KX-9010_1_vorn_schr%C3%A4g_re.jpg


  • Picture: Kenwood KX-9010

1199px-Kenwood_KX-9010_1_vorn2.jpg


  • Excerpt from Kenwood catalog Hifi '89/'90

Kenwood KX-9010 (Hifi 89-90).jpg

Reports[edit]

  • Audio 7/1989: Upper class, 75 points - 4 ears, test winner before Denon DRM-800. 1st place of the upper class devices.
  • Stereo 5/89: Absolute top class *** - Excellent
  • Stereoplay 7/89: Top class III reference. 2nd place after Denon DRM-800
  • Hifi Vision 10/1989: Top class, 5th place, overall rating: Very good.

Links[edit]