Difference between revisions of "Kenwood L-07 D"

 
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== Daten ==
+
== Data ==
{{Navigation}}
+
{{navigation}}
'''Allgemein'''
+
'''General'''
* Hersteller: [[Kenwood]]
+
* Manufacturer: [[Kenwood]]
* Modell: L-07D / L-07D II  
+
* Model: L-07D / L-07D II  
* Baujahre: 1979 - 1982 / 1982 - 1984
+
* Type: Record player
* Hergestellt in: Japan
+
* Years of manufacture: 1979 - 1982 / 1982 - 1984
* Farbe: Silber / Schwarz
+
* Made in: Japan
* Typ: Plattenspieler
+
* Colour: Silver / Black
* Leistungsaufnahme: 10 W
+
* Power consumption:  
* Abmessungen BxHxT:  
+
** Turntable: 11 W
** Plattenspieler Chassis L-07D: 555 x 160 x 470 mm  
+
Control unit: 45 W
** Plattenspieler Chassis L-07D II: 555 x 160 x 489 mm  
+
* Dimensions WxHxD:  
** Plattenspieler Kontrolleinheit L-07D PS: 130 x 110 x 356 mm
+
** Turntable chassis L-07D: 555 x 160 x 470 mm  
* Gewicht:
+
** Turntable chassis L-07D II: 555 x 160 x 489 mm  
** Plattenspieler Chassis L-07D: 33 kg.  
+
** Turntable control unit L-07D PS: 130 x 110 x 356 mm
** Plattenspieler Chassis L-07D II: 33,8 kg.  
+
* Weights:
** Plattenspieler Kontrolleinheit L-07D PS: 4,1 kg.
+
** Turntable Chassis L-07D: 33 kg.  
** Plattenspieler Tonarm TA-07D mit Tonarmträger: 2,5 kg.
+
** Turntable chassis L-07D II: 33,8 kg.  
* Neupreise ca.:  
+
Turntable control unit L-07D PS: 4.1 kg.
** Japan, 1979: 380'000 Yen, DM
+
Turntable tonearm TA-07J with tonearm carrier: 2,5 kg.
** Japan, 1982: 450'000 Yen, DM
+
* New prices approx:  
 +
** Turntable chassis L-07D: 380'000 Yen (Japan, 1979), 5600 DM.
 +
** Turntable Chassis L-07D II: 450'000 Yen (Japan, 1982), 6600 DM
 +
** Ceramic platter support TS-10: 26,000 Yen, 380 DM
 +
** Outer stabilizer ring DS-20: 28,000 Yen, 420 DM
 +
** DS-21 platter stabilizer: included with DS-20
 +
** TB-07 tonearm support plate: 2000 - 3000 yen each, about 50 - 80 DM
  
  
Drive
+
'''Connections'''
Type : Direct Drive with bi-directional servo
+
* Inputs: 1
Motor : slotless DC with Quartz PLL
+
** Power Unit:  
Torque : > 2,5kg /cm
+
* Outputs: 1
Platter : aluminium + duralumin diecast composite
+
** Output voltage: -
2,9kg / 33cm Ø
 
Mat : 2,6kg / SAS303 stainless & non-magnetic
 
Inertia moment : 1025t /cm2
 
Wow & flutter : 0,01%
 
0,004% (FG direct reading)
 
< 0,016% (WRMS)
 
S/N ratio : 94dB (DIN-B)
 
65dB (JIS)
 
Load characteristics : 0% up to 120g
 
Transient load characteristics : < 0,00015% (20g/cm load, 400Hz, 33 1/3rpm)
 
< 0,00008% (20g/cm load, 1Khz, 33 1/3rpm)
 
Start/Stop time : 2,5s
 
Speed deviation : 0%
 
Time drift : 0%
 
Temperature drift : 0%
 
Voltage supply drift : 0% (within ± 10V)
 
Tonearm
 
Type : static balance / J-shape
 
Effective length : 24,5cm
 
Overhang : 15mm
 
Tracking error : +2,26°...-1,11°
 
+1,48° (between 50...150mm from spindle)
 
Tracking force : 0...2g (0,1g steps)
 
Cartridge weight : 0...9g (with supplied headshell)
 
9...22g (with supp. counterweight)
 
Supplied headshell : Boron laminated carbon fiber (HS-07 ; 12g)
 
VTA : ± 6mm
 
Wiring : Litz dual-core
 
General
 
  
  
'''Anschlüsse'''
+
'''Technical Data'''
* Anzahl der Eingänge: 1
+
* Drive Type: Direct Drive with Bi-directional Servo
** 1V/50kOhm
+
* Drive Motor: Slotless DC direct drive with Quartz PLL
* Anzahl der Ausgänge:
+
* Speed: 33 1/3 / 45 revolutions/min.
** 1 x Lautsprecher
+
* Speed fine adjustment: ± 3
 +
* Start time: 1,8s
 +
* Stop time: 2,5s
 +
* Synchronisation fluctuation: &lt; 0.016% (WRMS)
 +
* Signal to noise ratio: 94dB (DIN-B)
  
  
'''Technische Daten'''
+
'''Turntable'''
* Dauerleistung (bei Klirrfaktor)
+
* Diameter: 330 mm (13 in.)
** 8 Ohm: 150W bei 0,008%
+
* Weight: 2,7 kg.
** 4 Ohm: 200W bei 1000 Hz bei 0,003%
+
* Moment of inertia: 1.025t /cm2
* Dynamikleistung
+
* Torque at start: &gt; 2,5kg /cm
** 8 Ohm: -
+
* Material: Zinc die casting
** 4 Ohm: 300W bei 1000 Hz
+
* Turntable support:
* Gesamtklirrfaktor: 0,008%
+
* Diameter: 305mm (12 inches).
* Dämpfungsfaktor: 100/8Ohm
+
Weight: 2,6kg
* Frequenzgang: DC - 600 kHz
+
* Support height: 4 mm
* Signalrauschabstand: 120 dB
+
* Material: SAS303, stainless, non-magnetic
* Stereokanaltrennung:
+
* Loading characteristic: no data deviation from 0 to 120 grams
  
  
'''Besondere Ausstattungen'''
+
'''Tonearm TA-07J'''
* Optional accessories : DS-20 outer stabilizer (28,000¥)
+
* J-shaped tonearm: statically balanced
DS-21 inner disk stabilizer (weight : 521g)
+
* Material: carbon / boron fibre
TS-10 open-pore ceramic platter (1,2kg ; aka Audio Technica AT600)
+
* Adjustable height: 7 mm
TB-07 tonearm sub-base (A, B, D or E versions))  
+
* Effective length: 245 mm
 +
* Overhang: 15 mm
 +
* Tracking error angle:  
 +
** Full tracking range: +2.26°...-1.11°.
 +
** From 50 - 150mm: +1.48°.
 +
* Tracking force: 0 - 2 grams (adjustable in 0.1g steps)  
  
  
== Bemerkungen ==
+
'''Tonearm base for 2nd tonearm'''
* Weitere Modelle der gleichen Serie:
+
* Tonearms up to 14 inch possible
** Kenwood Vorstufe L-07 C II
+
* Selection of TB-07 tonearm support plates: TB-07A, TB-07B, TB-07C, TB-07D, TB-07E
 +
 
 +
 
 +
'''Pickups'''
 +
* Headshell HS-07D
 +
** Weight: 12g
 +
** Material: Boron laminated carbon fiber
 +
* Pickup weight: 4 to 29 grams possible (with additional headshell or additional weights).
 +
* Pickup weights:
 +
** With supplied headshell: 0 to 9g 
 +
** Additional weight for other headshell: 9 - 22g
 +
* VTA: ± 6mm
 +
 
 +
 
 +
'''Outer plate stabilizer DS-20'''
 +
* Material: Copper
 +
* Moment of inertia: 400 kg /cm2
 +
* Dimensions:
 +
** Outer diameter: 348 mm
 +
** Inner diameter: 298 mm
 +
** Outer height: 11.8 mm
 +
** Inner height: 5.5 mm
 +
* Supplied 3-cornered positioning gauge: (see also diagram below)
 +
* Material: Aluminium
 +
* Outer diameter: 297.8 mm
 +
* Height: 24 mm
 +
* Weight: 1.35 kg.
 +
 
 +
 
 +
'''Inner plate stabilizer DS-21'''
 +
* Material: plastic
 +
* Moment of inertia: 2.5 kg /cm2
 +
* Dimensions:
 +
** Outer diameter: 84 mm
 +
** Height: 33,5 mm
 +
* Weight: 521 gram
 +
 
 +
 
 +
'''Ceramic Turntable Rest TS-10'''
 +
* Material: ceramic with sintered aluminum crystals, open porous
 +
* Moment of inertia: 130 kg / cm2
 +
* Stiffness aluminum oxide: 38t / mm2
 +
* Dimensions:
 +
** Diameter outer rim: 303 mm
 +
** Diameter plate support: 297 mm
 +
** Diameter inscription area: 107 mm
 +
** Diameter axis recess: 7.24 mm
 +
** Thickness: 7 mm
 +
* Weight: 1.2 kg.
 +
Note: Rubber mats are not suitable for frequencies below 200 Hz. Therefore Kenwood offered here as a solution the TS-10 ceramic turntable support.
 +
 
 +
 
 +
'''Special Features'''
 +
* Illuminated Quartz Lock indicator and power indicator for 33 1/3 / 45 rpm.
 +
** Red = being adjusted
 +
** Green = ready for operation
 +
* Electronically and mechanically controlled brake
 +
* Tonearm height adjustable
 +
* Anti-skating device
 +
* Adjustable tonearm height damper
 +
* Direct reading counter for cartridge weight
 +
* Tonearm base for 2nd tonearm prepared for tonearms up to 14 inches
 +
 
 +
 
 +
* Standard accessories:
 +
** Plexiglas plate as dust protection for the turntable
 +
Metal adapter for 45 single
 +
** 2 special screws to lift off the platter support
 +
** 4 special felt feet as a base for the turntable feet to dampen vibrations
 +
** Tonearm additional weight for cartridges from 9 to 22 grams
 +
Brown cloth as dust protection
 +
** Silicone soaked cleaning cloth
 +
 
 +
 
 +
* Optional accessories available:
 +
** DS-20 Outer stabilizer ring
 +
** DS-21 Inner platter stabilizer ring
 +
** TS-10 Ceramic platter support
 +
** TB-07 tonearm support plate (A, B, D or E versions, e.g. TB-07A)
 +
 
 +
 
 +
== Remarks ==
 +
* The turntable components of the L-07D were delivered in 2 cartons:
 +
** Carton 1: Turntable chassis, platter and components were packed in a larger carton (labeled "One of Two").
 +
** Carton 2: Turntable tonearm and control unit were packed in a smaller carton (labeled "Two of Two").
 +
 
 +
* Other models in the same series:
 +
** Kenwood L-07 C II preamp
 
*** [[Kenwood L-07 C II|L-07 C II]]
 
*** [[Kenwood L-07 C II|L-07 C II]]
** Kenwood Tuner L-07 T II
+
** Kenwood L-07 M II power amplifier
 +
*** [[Kenwood L-07 M II|L-07 M II]]
 +
** [[Kenwood L-07 T II Tuner
 
*** [[Kenwood L-07 T II|L-07 T II]]
 
*** [[Kenwood L-07 T II|L-07 T II]]
  
Kenwood empfahl dazu die Lautsprecher, siehe auch nachstehende Erklärung und Bilder:
 
* Kenwood LS-990
 
** [[Kenwood LS-990|LS-990]]
 
  
...oder auch:
+
== Pictures Record Player ==
* Kenwood LS-1900
+
* Kenwood record player L-07 D
** [[Kenwood LS-1900|LS-1900]]
+
[[File:L-07D TS-10-1.jpg]]
 +
 
 +
* Kenwood record player L-07 D backside
 +
[[File:L-07D-5.jpg]]
 +
 
 +
* Kenwood turntable L-07 D base for 2nd tone arm
 +
[[File:L-07D-7.jpg]]
 +
 
 +
* Kenwood turntable L-07 D sectional drawing
 +
[[File:L-07D-Schnitt-2.jpg]]
 +
 
 +
* Kenwood L-07 D turntable control unit
 +
[[File:L-07D-8.jpg]]
 +
 
 +
 
 +
== Pictures tonearm TA-07J ==
 +
* Kenwood tonearm TA-07J
 +
[[File:L-07D-TA-07J-1.jpg]]
 +
 
 +
* Kenwood tone arm
 +
[[File:L-07D-TA-07J-2.jpg]]
 +
 
 +
* Kenwood tone arm base
 +
[[File:L-07D-TA-07J-5.jpg]]
 +
 
 +
* Kenwood tonearm base
 +
[[File:L-07D-TA-07J-6.jpg]]
 +
 
 +
* Kenwood tonearm connector
 +
[[File:L-07D-TA-07J-9.jpg]]
 +
 
 +
 
 +
== Pictures Accessories ==
 +
* Kenwood ceramic platter support TS-10
 +
[[File:L-07D TS-10-1.jpg]]
 +
 
 +
 
 +
* Kenwood turntable L-07 D positioning of DS-20 and DS-21
 +
[[File:L-07D-Manual-2.jpg]]
  
  
== Bilder ==
+
== Reports ==
* Kenwood Endstufen L-07 M II Front
+
* External link: Kenwood L-07 D brochure "Allegro Sound": [http://www.allegrosound.com/Kenwood_L-07D_lit_AllegroSound.html]
[[Datei:L-07M II-1.jpg]]
 
  
* Kenwood Endstufen L-07 M II Rückseite
+
* External Link: Download Kenwood L-07 D / TS-10 Brochure and Manual: [http://www.hifi-manuals.com/Kenwood/TS-10/downloads]
[[Datei:L-07M-2.jpg]]
 
  
* Kenwood empfiehlt die Endstufen max. 1m von den Lautsprechern aufzustellen
+
* External Link: Download Kenwood L-07 D / DS-20/DS-21 Brochure and Manual: [https://www.vinylengine.com/library/kenwood/ds-20-disc-stabiliser.shtml]
[[Datei:LS-990-Kabel-1.jpg]]
 
  
* Kenwood empfiehlt die Endstufen max. 1m von den Lautsprechern aufzustellen
+
* External Link: Review from "Hifi Studio": [https://web.archive.org/web/20120513213425/http://www.hifi-studio.de/hifi-klassiker/kenwood/L-07D/Kenwood_L-07D.htm]
[[Datei:LS-990-Kabel-2.jpg]]
 
  
 +
* External link: Description on "Hifi Archive": [http://www.hifi-archiv.info/Kenwood/1980-1/37.jpg]
  
== Berichte ==
+
* External link: Description on "Hifi Archive": [http://www.hifi-archiv.info/Kenwood/1980-1/38.jpg]
* Externer Link: Bericht von "Good Old Hifi": [http://www.good-old-hifi.de/hoehepunkte-der-woche-42016/]
 
  
  
 
== Links ==
 
== Links ==
* Externer Link: Webseite "Wegavision Pytalhost": [http://kenwood.pytalhost.eu/1980-1/06.jpg]
+
* External link: Data sheet from "Kenwood Germany Archive" [http://www.kenwood.de/WebFiles/File/de/download/archive/l07d.pdf]
  
* Externer Link: Webseite "Wegavision Pytalhost": [http://kenwood.pytalhost.eu/1981/kenwood81-03.jpg]
+
* External Link: "Welcome to the Unofficial Kenwood L-07D Direct Drive Turntable Web Site": [http://www.l-07d.com/]
  
* Externer Link: Webseite "The Vintage Knob": [http://www.thevintageknob.org/kenwood-L-07M.html]
+
* External Link: The Vintage Knob Web Site: [http://www.thevintageknob.org/kenwood-L-07D.html]
  
* Externer Link: Webseite "Audio Heritage Japan": [http://audio-heritage.jp/TRIO-KENWOOD/amp/l-07mii.html]
+
* External Link: Audio Heritage Japan website: [http://audio-heritage.jp/TRIO-KENWOOD/player/l-07d.html]
  
[[Kategorie:Plattenspieler]]
+
[[Category:Turntables]]

Latest revision as of 09:37, 30 January 2019

Data[edit]

General

  • Manufacturer: Kenwood
  • Model: L-07D / L-07D II
  • Type: Record player
  • Years of manufacture: 1979 - 1982 / 1982 - 1984
  • Made in: Japan
  • Colour: Silver / Black
  • Power consumption:
    • Turntable: 11 W

Control unit: 45 W

  • Dimensions WxHxD:
    • Turntable chassis L-07D: 555 x 160 x 470 mm
    • Turntable chassis L-07D II: 555 x 160 x 489 mm
    • Turntable control unit L-07D PS: 130 x 110 x 356 mm
  • Weights:
    • Turntable Chassis L-07D: 33 kg.
    • Turntable chassis L-07D II: 33,8 kg.

Turntable control unit L-07D PS: 4.1 kg. Turntable tonearm TA-07J with tonearm carrier: 2,5 kg.

  • New prices approx:
    • Turntable chassis L-07D: 380'000 Yen (Japan, 1979), 5600 DM.
    • Turntable Chassis L-07D II: 450'000 Yen (Japan, 1982), 6600 DM
    • Ceramic platter support TS-10: 26,000 Yen, 380 DM
    • Outer stabilizer ring DS-20: 28,000 Yen, 420 DM
    • DS-21 platter stabilizer: included with DS-20
    • TB-07 tonearm support plate: 2000 - 3000 yen each, about 50 - 80 DM


Connections

  • Inputs: 1
    • Power Unit:
  • Outputs: 1
    • Output voltage: -


Technical Data

  • Drive Type: Direct Drive with Bi-directional Servo
  • Drive Motor: Slotless DC direct drive with Quartz PLL
  • Speed: 33 1/3 / 45 revolutions/min.
  • Speed fine adjustment: ± 3
  • Start time: 1,8s
  • Stop time: 2,5s
  • Synchronisation fluctuation: < 0.016% (WRMS)
  • Signal to noise ratio: 94dB (DIN-B)


Turntable

  • Diameter: 330 mm (13 in.)
  • Weight: 2,7 kg.
  • Moment of inertia: 1.025t /cm2
  • Torque at start: > 2,5kg /cm
  • Material: Zinc die casting
  • Turntable support:
  • Diameter: 305mm (12 inches).

Weight: 2,6kg

  • Support height: 4 mm
  • Material: SAS303, stainless, non-magnetic
  • Loading characteristic: no data deviation from 0 to 120 grams


Tonearm TA-07J

  • J-shaped tonearm: statically balanced
  • Material: carbon / boron fibre
  • Adjustable height: 7 mm
  • Effective length: 245 mm
  • Overhang: 15 mm
  • Tracking error angle:
    • Full tracking range: +2.26°...-1.11°.
    • From 50 - 150mm: +1.48°.
  • Tracking force: 0 - 2 grams (adjustable in 0.1g steps)


Tonearm base for 2nd tonearm

  • Tonearms up to 14 inch possible
  • Selection of TB-07 tonearm support plates: TB-07A, TB-07B, TB-07C, TB-07D, TB-07E


Pickups

  • Headshell HS-07D
    • Weight: 12g
    • Material: Boron laminated carbon fiber
  • Pickup weight: 4 to 29 grams possible (with additional headshell or additional weights).
  • Pickup weights:
    • With supplied headshell: 0 to 9g
    • Additional weight for other headshell: 9 - 22g
  • VTA: ± 6mm


Outer plate stabilizer DS-20

  • Material: Copper
  • Moment of inertia: 400 kg /cm2
  • Dimensions:
    • Outer diameter: 348 mm
    • Inner diameter: 298 mm
    • Outer height: 11.8 mm
    • Inner height: 5.5 mm
  • Supplied 3-cornered positioning gauge: (see also diagram below)
  • Material: Aluminium
  • Outer diameter: 297.8 mm
  • Height: 24 mm
  • Weight: 1.35 kg.


Inner plate stabilizer DS-21

  • Material: plastic
  • Moment of inertia: 2.5 kg /cm2
  • Dimensions:
    • Outer diameter: 84 mm
    • Height: 33,5 mm
  • Weight: 521 gram


Ceramic Turntable Rest TS-10

  • Material: ceramic with sintered aluminum crystals, open porous
  • Moment of inertia: 130 kg / cm2
  • Stiffness aluminum oxide: 38t / mm2
  • Dimensions:
    • Diameter outer rim: 303 mm
    • Diameter plate support: 297 mm
    • Diameter inscription area: 107 mm
    • Diameter axis recess: 7.24 mm
    • Thickness: 7 mm
  • Weight: 1.2 kg.

Note: Rubber mats are not suitable for frequencies below 200 Hz. Therefore Kenwood offered here as a solution the TS-10 ceramic turntable support.


Special Features

  • Illuminated Quartz Lock indicator and power indicator for 33 1/3 / 45 rpm.
    • Red = being adjusted
    • Green = ready for operation
  • Electronically and mechanically controlled brake
  • Tonearm height adjustable
  • Anti-skating device
  • Adjustable tonearm height damper
  • Direct reading counter for cartridge weight
  • Tonearm base for 2nd tonearm prepared for tonearms up to 14 inches


  • Standard accessories:
    • Plexiglas plate as dust protection for the turntable

Metal adapter for 45 single

    • 2 special screws to lift off the platter support
    • 4 special felt feet as a base for the turntable feet to dampen vibrations
    • Tonearm additional weight for cartridges from 9 to 22 grams

Brown cloth as dust protection

    • Silicone soaked cleaning cloth


  • Optional accessories available:
    • DS-20 Outer stabilizer ring
    • DS-21 Inner platter stabilizer ring
    • TS-10 Ceramic platter support
    • TB-07 tonearm support plate (A, B, D or E versions, e.g. TB-07A)


Remarks[edit]

  • The turntable components of the L-07D were delivered in 2 cartons:
    • Carton 1: Turntable chassis, platter and components were packed in a larger carton (labeled "One of Two").
    • Carton 2: Turntable tonearm and control unit were packed in a smaller carton (labeled "Two of Two").
  • Other models in the same series:


Pictures Record Player[edit]

  • Kenwood record player L-07 D

L-07D TS-10-1.jpg

  • Kenwood record player L-07 D backside

L-07D-5.jpg

  • Kenwood turntable L-07 D base for 2nd tone arm

L-07D-7.jpg

  • Kenwood turntable L-07 D sectional drawing

L-07D-Schnitt-2.jpg

  • Kenwood L-07 D turntable control unit

L-07D-8.jpg


Pictures tonearm TA-07J[edit]

  • Kenwood tonearm TA-07J

L-07D-TA-07J-1.jpg

  • Kenwood tone arm

L-07D-TA-07J-2.jpg

  • Kenwood tone arm base

L-07D-TA-07J-5.jpg

  • Kenwood tonearm base

L-07D-TA-07J-6.jpg

  • Kenwood tonearm connector

L-07D-TA-07J-9.jpg


Pictures Accessories[edit]

  • Kenwood ceramic platter support TS-10

L-07D TS-10-1.jpg


  • Kenwood turntable L-07 D positioning of DS-20 and DS-21

L-07D-Manual-2.jpg


Reports[edit]

  • External link: Kenwood L-07 D brochure "Allegro Sound": [1]
  • External Link: Download Kenwood L-07 D / TS-10 Brochure and Manual: [2]
  • External Link: Download Kenwood L-07 D / DS-20/DS-21 Brochure and Manual: [3]
  • External Link: Review from "Hifi Studio": [4]
  • External link: Description on "Hifi Archive": [5]
  • External link: Description on "Hifi Archive": [6]


Links[edit]

  • External link: Data sheet from "Kenwood Germany Archive" [7]
  • External Link: "Welcome to the Unofficial Kenwood L-07D Direct Drive Turntable Web Site": [8]
  • External Link: The Vintage Knob Web Site: [9]
  • External Link: Audio Heritage Japan website: [10]