SME 3009 tonearm cartridge alignment protractor, original SME part, in used condition with some creasing.
This is an original SME alignment protractor for use with the SME 3009 and 3012 series tonearms, used to set cartridge overhang and offset angle against printed null point guides.
Key specifications
Compatible Model: 3009, 3012 Series I, II, II Improved, III
Null Point Type: Single Null Point (Series I/II/III); Double Null Point (Series II-R / III CA-1)
Alignment Method: Arm base slides fore/aft on bedplate; cartridge fixed in headshell
Compatible Tonearm Series: SME 3009 Series I, II, II Improved, II-R, III, III CA-1; SME 3012 Series I, II, III
Specifications
Compatible Brand: SME
Compatible Model: 3009, 3012 Series I, II, II Improved, III
Country of Origin: United Kingdom
Null Point Type: Single Null Point (Series I/II/III); Double Null Point (Series II-R / III CA-1)
Null Point Radii (Double Null / later series): Inner: 66 mm (2.60"), Outer: 121 mm (4.76")
Alignment Geometry (early series, serial < 439606): Stevenson — null points 60.4 mm / 117.3 mm
Alignment Method: Arm base slides fore/aft on bedplate; cartridge fixed in headshell
Compatible Tonearm Series: SME 3009 Series I, II, II Improved, II-R, III, III CA-1; SME 3012 Series I, II, III
