High precision arc protractor for cartridge alignment.

This protractor is made of 3mm High Glossy Black Acrylic Perspex, high-precision laser cut and engraved.

The arc protractor is the most precise protractors for cartridge alignment; this one is designed for the following SME tonearms:

3009 series I

3009 series II S2 Improved with SN below 439606

3009 series II S2 Improved with SN above 439606

3009 series III

3009 series III modified

 

The geometry of the above mentioned SME tonearms is a different one to another; please specify at the checkout for which model you are buying the protractor.

 

WARNING: these protractors are designed to work with a specific model of the tonearm if your is not on the list then don't buy!

 

There are sellers on eBay that are selling SME arc protractors without specifying for which model, SME changed the geometry of the arms several times, not only between different models but also within the same model !!

 

The geometric features are compliant with SME recommendation for the following models:

 

SME 3009 Series I

Pivot to spindle distance: 213.46mm

Effective Length: 228.60mm

Overhang: 15.133mm

Offset Angle: 22

 

SME 3009 Series II S2 Improved, S.N. < 439606

Pivot to spindle distance: 215.7mm

Effective Length: 231.54mm

Overhang: 15.84mm

Offset Angle: 22.5

 

SME 3009 Series II S2 Improved, S.N. > 439606

Pivot to spindle distance: 213.2mm

Effective Length: 231.2mm

Overhang: 17.95mm

Offset Angle: 24

 

SME 3009 Series III (not modified, see later hot to spot  modified SME III) 

Pivot to spindle distance: 215.4mm

Effective Length: 231.26mm

Overhang: 15.86mm

Offset Angle: 22.6

 

SME 3009 Series III (modified, see later hot to spot  modified SME III) 

Pivot to spindle distance: 215.4mm

Effective Length: 233.18mm

Overhang: 17.7mm

Offset Angle: 23.6

 

How to spot if you have a modified SME series III:

 

It's simple; the headshell is different, the unmodified version has 15 holes on the top of it (apart from the two fixing holes) while the modified version has 11 holes.

 

Have questions? We gladly answer.

 

Supplied with exhaustive instructions.

Cartridge Arc Alignment Protractor. For use with SME Tonearms.

£19.00Price

    ABOUT US

    We are a British Company with registered office in London, while the manufacturing unit is near Glasgow. We are exclusively b2c; this means that our products are available only from us, no mid men, we design, produce and sell directly to the end-user.

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