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Dr Lenco

Lencologist

Joined: 01 May 2007
Posts: 101

PostPosted: Mon 17 Sep, 2007 1:31 pm    Post subject: L70 Reply with quote

Lenco L70 MkI

General view:

The platter is painted white.
The mat is red natural rubber.
One of the previous owners had the "excellent" idea to fit a Lenco VV7 preamp and a on/off light.


The platter:

The platter is painted white on top,


and has a yellow paint underneath.


Series number:

The label is still in the style of earlier Lenco.


Speed lever:

The knob is red bakelite.
The engraved speed numbers are not painted black.


On/off knob:

Brown/red bakelite.
Note the white bakelite headshell.


Tonearm mounting collar and tonearm lift/rest:

Stepped Art D╚co mounting collar.
The locking screw of the tonearm rest has no slot.

The collar is secured to the plinth via a big pot metal nut:



Tonearm lift/rest:

Note the groove on the rest.
The tonearm wand is aluminum.


Tonearm lift/rest collar:



The linkage:

Black metal linkage.


Lacquer:

Lacquer on nuts is pale green (green peas like), pale yellow (previous picture) or red (on the locking screw of the platter's bearing).
Note that there is no felt washer on the platter bearing: has it been lost Question


Under the top plate:

The underneath of the top plate is painted red: it seems to be some anti-corrosion paint, like on earlier Lencos.
Tonearm wires connection board is located under the top plate.


Tonearm lift and switch control device:



The spring mounts:



The platter bearing:

The housing of the bearing is steel.
Note the red cloth insulation tape on the motor coils and the black metal plate of the motor's rear bearing.



Lenco L70 MkII.

General view:

The mat is the radial spines one.

Series number:

New version of the label.


Speed lever:

White plastic knob and speed numbers are engraved and painted black.


On/off knob:

White plastic knob.
Note the white logo painted on the top plate.


Tonearm mounting collar and tonearm lift/rest:

Stepped Art D╚co mounting collar.
The locking screw of the tonearm rest has now a slot.


The linkage & lacquer:

"Silver" metal linkage.
Yellow lacquer on all screws except on the platter bearing locking screw (black).


Under the top plate:

The underneath of the top plate is painted grey, as on top of the top plate, though it is not shiny.


The platter bearing:

The housing of the bearing is brass now.
The metal plate of the motor's rear bearing of is "chromed".



L70 MkIII.1

General view:



The label:

Note that there is a date stamped on the top plate too.


Speed lever:

Black plastic knob and speed numbers are painted black.


On/off knob:

There is now a scratch plate under the knob.


Tonearm mounting collar and tonearm lift/rest:

The tonearm collar has a simpler design, slightly conical
The rest hasn't a groove anymore and the head of the locking screw is slightly lower.

The collar is secured to the plinth via two M3 cheese head screws:



Under the platter:

The tonearm connection board is on the top plate under the platter now.
Green lacquer on the screws.


The spring mounts:




L70 MkIII.2

Same as L 70 MkIII.1 except for:

Series number:

New style label.


Under the platter:

Still some green lacquer plus white one.



L70 MkIV.

Basically the same model as MkIII.
The only changes are cosmetic ones.

General view:


To be mentioned to, a version with an upper left corner escutcheon:


On/off knob:

New, simplified scratch plate.
On later models the "Made in Switzerland" mention will disappear.


If we consider the series number on the label, it is possible that the MkIII was still coming out of the line while the MkIV started to be produced.
The second pictured L70 with the upper left corner escutcheon bears series number 40536, when the L70 MkIII.2 bears series number 45409.
An other hypothesis is that these decks were contemporary, with only a different look for different markets Question


Lenco L70 MkV.1

From MkIV to MkV.1, for what we know, the changes regard the new scratch plate, the silver grey painted platter and the mat:




Lenco L70 MkV.2

The only though quite visible change from Mk V.1 is the colour of the top plate, now dark grey.

General view:

The top plate is painted dark grey.
A new mat.


Scratch plate:

New scratch plate, 3/4 height, bearing the name of the model: L70.


The platter:

The platter is painted silver grey on top, but no paint underneath.


Tonearm lift & rest:

Tonearm lift/rest is also painted dark grey.
The tonearm wand is chromed steel.


Under the top plate:

The underneath of the top plate is still light grey. This could suggest that light grey top plates have simply been covered with dark grey paint.


Label:

The style of the label remains unchanged.....


L70 MkV.3




Tonearm collar:

Cylindrical collar.


Tonearm lift/rest collar:

New simplified design.


Under the top plate:

Note the new tonearm lift and switch control device.


The label:



The motor:


Simple connection block, yellow insulating tape on the coils but still the same motor frame. No more voltage selector pin.

110/220 wiring connection block is off the motor:




Lenco L70 MkV.4

A few changes from MkV.3

The label:

New style and series numbers have been reset.


Under the top plate:

Bare metal.


The motor:

New connection block with voltage selection, but still the same motor frame.







Text: Fran┴ois.
Illustrations: B52 & Fran┴ois.

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Dr Lenco

Lencologist

Joined: 01 May 2007
Posts: 101

PostPosted: Mon 17 Sep, 2007 1:37 pm    Post subject: Reply with quote

L70 "accessories".


Headshells:

L70 headshells were to be found in two main different types: Bakelite (black or white) or metal.
Both these types could host either "standard" cartridges or "flipover" (LP/7Cool cartridges thanks to a cutout that could be cut (on Bakelite type) or was factory made (metal type).

Bakelite headshell:

For "standard" cartridges:


For "flipover" cartridges:


Note, seen from inside, the marks for the cutouts, and even for "turnaroud" cartridges:



Metal headshells:

For "standard" cartridges:


For "flipover" cartridges:





Different "buttons" on top of the headshell have been met :


and different bayonette connectors too:



Mats

Red natural rubber:


Black rubber:


Radial spines:


"Concentric" mat



Tonearm rest:

Some L70s were equipped with a tonearm rest.
In this case, the clip on the tonearm lift was removed.




Text: Fran┴ois.
Illustrations: B52 & Fran┴ois.

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Dr Lenco

Lencologist

Joined: 01 May 2007
Posts: 101

PostPosted: Mon 04 Feb, 2008 3:01 pm    Post subject: Reply with quote

L70 family tree has been updated.
The discovery of a L70 (MkIV.3) with different features has obliged us to reconsider the evolution of the L70 and to reorganise the family tree.
Former L70MkIV.3 is now L70MkIV.4



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