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Peter started listening to music on a Lenco turntable early in life. The love of that particular make stayed with him as first loves tend to. After his study of industrial design at Delft University and many years of work in that creative trade he felt some seven years ago that the time had come to revive his old fondness for the Swiss-made vintage Lenco. The base for this endeavor became the L75, a horizontal motor-type idler-wheel affair. Unlike many others Peter felt that the top plate had to go first. It was to be replaced by Peter’s Top Plate or PTP. With the help of the Internet, the PTP soon eclipsed being just a one off. Many other Lenco lovers wanted their own PTP and Peter thus started a little production. Along the way the PTP evolved. As an industrial designer, Peter dreams in CAD software so handing a CAD-generated drawing to a CNC programmer for precision work was second nature.




A PTP top plate is one thing of course but it still must mount to a plinth. A wooden one is an obvious option but perhaps not the most inert choice. What other material was dense, sonically inert, looked good, was readily available and could be CNC’d without too much trouble became the question that spun round and round at PTP Audio. The answer was Corian, the DuPont material which kitchen counter tops are made from. It comes in many colors, is sonically dead and can be precisely machined. Peter found a company that could provide his desired thickness in Corian. The vendor offers the Corian mix of acrylic and natural minerals in 12mm thick sheets. These can be seamlessly bonded into thicker panels to be machined. For the Solid12 life starts as a composite slab of 450 x 550 x 50mm. With the openings cut out from the Corian plinth as guided by the CAD reference, the PTP 5’s two separate laser-cut inserts of 4mm stainless steel can be mounted. Like all PTPs the 5 provides separation of motor and bearing so that vibrations from the motor won’t migrate into the bearing or platter.


Currently PTP Audio offers two models of L75-based turntables, the Solid9 suited for 9" and 10" arms and the Solid12 for 12" arms. PTP offers arm boards for any wand desired. All models start out as a vintage L75 completely stripped down and overhauled to today’s standards before being fitted with the new plinth and top plate. Overhaul also involves complete rewiring and adding a heavy bearing clamp. For the 4kg platter there's no need to rebalance, however the platter’s top and side get mirror-polished. Once finished the turntables weigh a healthy 20 to 25kg. As production is fully under PTP Audio’s control, almost any special request can be satisfied.



Peter hand-delivered a Solid12 to our place and set it up. From the wooden crate emerged the heavy cast platter with its shiny top, the equally heavy black Corian plinth, a box with the Thomas Schick arm, the Denon DL-103 with Midas aluminum case, some footers and a power cable. Assembling and correctly adjusting the Solid12 took just half an hour before the turntable could be connected to the rest of our analog rig. This consisted of all white Trafomatic tube gear by way of their Reference One phono stage, Reference preamplifier and two Kaivalya EL84-based power amps. More white was found in the Arcadian Audio Pnoe AER-based horns. An alternate phono stage was Tri’s TRV EQ3SE. When the first track of a random picked LP made proper music, Peter made tracks and we could start enjoying his Solid12.


We use ‘enjoying’ because from the very first tone on it was clear how this really was no ordinary turntable. After the randomly picked album we reached for a more deliberate choice of the Rob Wasserman Duets. This 1988 recording offers great music which varies from Wasserman’s upright in combination with vocal wizards Bobby McFerrin or Rickie Lee Jones to raw Fender in overdrive by Lou Reed. Played on this Solid12 the album’s tracks cut straight to the chase. This showed well defined attacks, plucked bass without any smearing whatsoever and profoundly deep bass. Sustains just kept hovering in mid air like lazy angels and then again that bass heavy of weight and texture would intrude without being artificially enhanced at all.