Linn Lingo: Outboard power supply for Linn Sondek LP12 turntable. Dimensions: 12.5' (320mm) W by 3.1' (80mm) H by 12.5' (320mm) D. Weight: 3.3 lbs (1.5kg). Serial number of unit reviewed: 722671. Price: $1550. Linn Ekos: Fixed-pivot, medium-mass tonearm with fixed headshell and aluminum armtube. Serial number of unit reviewed: Not noted.
With Linn Brilliant Power system. And not NEW item that will show signs of wear depending on its age. With Linn Brilliant Power system. And not NEW item that will show signs of wear depending on its age. Serial number 006297. Some cosmetic Stacking scuffs and nicks please see photo's. Linn Sondek LP12 Home Record Players. Nov 17, 2018.
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Linn Sondek Serial Number Age 2
The following information was compiled from an official Linn customer services document.
Gta san andreas driving skills. The LP12 has had many upgrades through the years. The major ones were given exotic names, like Nirvana, Valhalla, Lingo, Trampolin reflecting the advances in accurate sound reproduction which they represented. There have also been many unnamed improvements like new feet, new baseboard, new armboard, new suspension springs and grommets and new plinth. The list is long and it means that an LP12 need never be out of date.
Cirkus Kit
The Cirkus upgrade to the LP12 focuses on bearing performance and the connection of the bearing housing to the sub-chassis. The improved bearing and stronger sub-chassis arrangement provides the turntable with greater stability and ensures the bearing sits perfectly true to the chassis of the turntable. This in turn minimises the risk of turntable platter movement with respect to the sub-chassis and arm. Even the slightest movement will introduce audible degradation to the reproduced signal.
Together the changes to the bearing and the sub-chassis make an enormous difference to the overall performance of the turntable. The specific changes are as follows :
- The thickness of the bearing housing mounting flange has been substantially increased and undercuts eliminated to make it many times more rigid. This also allows the use of larger mounting bolts.
- Increased distance between top and bottom liners in the bearing housing to make it as stable as possible eliminating even the smallest amount of rocking
- An increase in the height of the bearing housing from the top of its inner liner to increase oil capacity, ensuring proper lubrication of the top bearing at all times
- Double thickness sub-chassis to improve rigidity, reducing flexing and improving control of the relationship between key components
The attached kit of parts, which includes a new inner platter and spindle, is supplied to fit this upgrade. As always with Linn product improvements, new LP12 turntables will incorporate this upgrade as standard.
All Linn products are subject to continuous development programmes and we aim to make similar advances in sound quality in future as we have in the past.
Lingo Power Supply
Date Introduced: 1990 The Linn Lingo is a high precision, direct coupled, power supply designed to sit alongside the LP12 turntable. The Lingo upgrade moves the LP12's performance into a new league, further distancing it from the competition.
At the heart of the Lingo are two very low noise crystal oscillators derived from the Linn Numerik digital studio recording system - one for 33.33 rpm and one for 45 rpm. The switch on the turntable selects the appropriate oscillator, the output of which is fed into a synchronous counter to produce a 50 Hz or 67.5 Hz square wave for 33 rpm and 45 rpm respectively.
Linn Sondek Serial Number Age 1
As the LP12 motor runs at its quietest when driven with a clean sinusoidal waveform, a precision filter is employed in the Lingo to remove harmonics from the square wave leaving only a pure wave form.
The most uniform torque is delivered from the motor when both phases are driven at ninety degrees with respect to one another. This is achieved by a ninety degree phase-shift network after the filter. The two resulting sinusoids drive two high voltage class A amplifiers, the outputs of which drive the two motor windings.
The Lingo uses 'stall detection' circuitry to feed the motor with a higher voltage for increased start-up torque. When the platter reaches the selected speed, this load-sensing circuitry reduces the power output. From then on the motor just maintains the platter's own inertia to keep it going silently.
Domino a220 inkjet manual. A toroidal transformer on the PCB, and a mains filter, give a very high degree of electrical isolation from the mains voltage supply. Deutz engine f3m2011 parts manual.
Linn Sondek Parts
Modification History
Linn Sondek Cd12
| year | serial | modification |
| 1993 | 90582 | Cirkus LP12, Cirkus bearing and subchassis upgrade fitted as standard. |
| 1992 | 88950 | Top Plate with additional stud which improves the coupling of the top plate to the Plinth and secures the motor corner. |
| 1991 | 87672 | LP12 mechanics only, LP12 sold as a mechanical assembly only. Three power supply options available: Lingo, Valhalla and Basik. Valhalla and Basik (Basik PSU supplied with 45 rpm adaptor). |
| 1991 | 87672 | Trampolin kit, suspended base board available as an upgrade, solid base board replacing hardboard base |
| 1991 | 87206 | valhalla has motor thrust pad small cap factory fitted (glued in position) to reduce noise level. |
| 1991 | 87047 | lingo has motor thrust pad small cap factory fitted (glued in position) to reduce noise level. |
| 1990 | N/A | Lingo direct coupled power supply for the LP12, offers low noise oscillators, precision filtering, separate drive for both phases and electrical isolation from mains supply. |
| 1989 | 81000 | Grommets composition changed to a new harder, denser rubber. Improves performance of suspension. |
| 1989 | 79700 | Motor thrust pad, motor thrust pad replaced with stainless steel ball bearing. Reduces motor noise. |
| 1987 | 79160 | Armboard material changed to MDF core, laminated top and underside. Increases rigidity of armboard, creating improved platform for tonearm. |
| 1987 | 70000 | Bearing housing, improved bearing liner material and thrust pad specification. Bearing liner machined to tighter tolerances, thus creating better speed stability. Changed to black oil. Tightened grinding tolerance. |
| 1986 | n/a | Lid is changed for translucent type. |
| 1984 | 54100 | Sub-chassis, added strengthening bar, spot welded in place. Increases rigidity and strength. late '70s Attached strengthening bar with epoxy glue. Superior bond; increases rigidity. |
| 1984 | 53000 | Plinth, enlarged corner blocks, strengthens and increases rigidity of plinth. |
| 1982 | 38800 | Valhalla power supply, electronic speed control with a sophisticated crystal controlled power supply. Isolates the rotation of the turntable motor from variations in the electrical supply. |
| 1981 | 32800 | Nirvana kit Improved material specification of many integral mechanical components. Improved suspension and stability. |
| 1979 | 27000 | Lid and hinges lid prop removed and hinges changed to spring loaded, self supporting. |
| 1978 | 23000 | Top-plate added two holes for 6 x 0.5 self tappers into wood block |
| 1974 | 2000 | Main bearing liner material changed. |
| 1974 | 2000 | Sub-chassis strengthened by addition of strap, spot welded in place. |
| 1974 | 2000 | Motor control motor control pcb changed from terminal strip to small circuit board. |
| 1974 | 2000 | Mains switch changed from two buttons to single switch with mains neon. |
| 1973 | 0000 | Linn LP12 Sondek introduced |
