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Benefitting enormously from the work done in developing the Reference Tonearm, the Vertere SG-1 MkII Tonearm provides unsurpassed performance in its class.

To achieve breath-taking musical performance, the Vertere SG-1 Tonearm utilises a combination of quality materials including roll-wrapped carbon-fibre, stainless steel, aluminium alloys and silicon nitride. Its unique bearing design and versatile anti-skate adjustment make it an ideal partner for any high-quality turntable.

  • SG-1 Tri-Point Articulated bearing eliminates loss of information.

  • Non-resonant, high-rigidity roll-wrapped carbon fibre arm tube.

  • Bias-curve adjustable anti-skate mechanism.

  • Decoupled stainless-steel main counterweight.

  • Adjustment ring for fine-tuning of tracking weight and arm/cartridge resonance control.

Counterweight Sleeve & Tungsten Carbide Weight Insert

The reference tonearm comes with a second tungsten carbide loaded counterweight to accommodate much heavier cartridges than standard. This heavier counterweight also has extra screw‐on end caps to further increase the weight if required.

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.
Aluminum Bearing Yoke And 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.

Bearing Transit Screw & Counter Weight Locator

SG-1 tonearm transit screw will prevent any accidental damage to the precision Tri-pivot bearing during shipping. And the counterweight locator will ensure accurate repositioning of the counterweight and eliminate the need to setup the Tracking Weight & Azimuth again.


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 adjustment. The relative position of this ring and of the main counterweight can also be used to alter the arm/cartridge resonance frequency and optimize 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 counterweight.
SG-1 Tonearm Pillar Holder And Clamp
Precision machined from Acetal the SG-1 Tonearm Pillar Holder and Clamp utilises a Tri-point fixing method and provides the tonearm/cartridge with the required interface to the record player.

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 Reference Hand-built Pulse wiring

Tri Point Articulated

Effective Length


Offset Angle

Aluminium Alloy

Arm Tube
Wrapped Carbon Fibre

Bearing Yoke Structure
Aluminium Body

Bearing Type
Captive silicon Nitride Ball (x3) Precision

Counter Weight
Stainless Steel
Stainless Steel T/W Adj. Sleeve

Internal Wiring
Pulse Hand-built or Standard

Proprietary Cartridge Tags & 5-Pin
x3 Thickness Gold Plated Contacts

Tonearm Cable
Pulse Hand-built, Pulse-R, Pulse-B or D-Fi


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