Turntable details

Turntable: Technics SL150 (1975)

Tonearm: SME 3009 Series ii improved (1975)

Catridge/stylus: Ortofon 2m Blue

Headshell: SME Style (New, not original)

Feet: Pioneer (not original)

Cover: IntoVinyl Custom (New, not original)

Record weight: Hudson HiFi, Small Ben

Platter mat: Black Acrylic

Modifications: Feet replaced, 2g additional bias weight. 1g additional headshell weight, cover replaced.

Refurbishment: Pitch adjustment potentiometers cleaned, Power switch cleaned.

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Testing and setup (the tecchie stuff):

Geometry: Spindle to pivot: 215.3mm.

Tangential curve system used (stylus arc across the record): Baerwald.

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Vertical tracking force (VTF), (stylus weight on record): 193g.

Bias (antiskate): thread at 3rd position, tested for lateral tracking ability, passed at 75µm (microns).

Rider rail position (tonearm horizontal balance): 8.2g.

Azimuth adjusted: visually level.

Tonearm leveled (height adjusted), which gives a vertical tracking angle (VTA) of 20° (This is the angle between the cantilever's pivot point and the diamond's contact point with the record groove).