SG-1 TPA Tonearm Bearing
The unique Tri Point Articulated (TPA) bearing
is comprised of three precision silicone nitride balls and stainless
pivot. The pivot point centred between the balls provides flawless
support and articulation.
TPA eliminates bearing point ‘skating’ and
allows the stylus to track the most delicate pieces of information that
are typically lost with uni-pivot designs. This ensures accurate play
back due to the strict adherence of the stylus to the record groove.
Aluminium Bearing Yoke & Stainless Pillar
The bearing pivot is structurally bonded to the
aluminium alloy yoke. The yoke assembly provides the support required
for the arm tube, the main counterweight and the anti-skate mechanism.
The pivot point and the counterweight centre
of gravity are vertically positioned to be as low as possible. This in
turn retains the tonearm in its most stable position.
SG-1 Tonearm Tube & Headshell
Roll wrapped carbon fibre is used in the
construction of the arm tube. This provides higher strength and more
homogenous fibre structure than a Pultruded or moulded equivalent.
The head-shell is machined from aluminium
alloy and connected to the arm tube via structurally bonded alloy end
insert. Naturally non-resonant and higher strength to weight ratio of
this configuration provides the optimum cartridge platform.
Arm/Cartridge Resonance Frequency & Fine Tracking Weight Adjustment
An adjustable and de-coupled stainless ring
allowed to move along the arm tube provides fine tracking weight
The relative position of this ring and of the
main counterweight can also be used to alter the arm/cartridge resonance
frequency and optimise play back performance.
SG-1 Tonearm Main Counterweight
Attention to detail is clearly seen in the polished stainless steel counterweight and peg.
Two pairs of silicone de-coupling rings are
neatly sandwiched between three machined Acetal retainers to provide the
necessary grip for location and the required isolation of the
Tonearm Lift/Lower Mechanism Plate Assembly
Bespoke components are used for every part of
the SG-1 Tonearm including its machined Acetal arm clip and polished
stainless cueing device.
Internal Wiring & Contact Connectors
Both the cartridge tags and the 5-pin connector
pins are designed, machined and gold plated to our exact specifications
for the SG-1 tonearm. The 5-pin connector main body is also machined
form solid PTFE for its superior di-electric characteristics.
There are two options available for the internal wiring of the SG-1 tonearm:
- Standard Pulse wiring
- Hand-built Pulse wiring