Commonwealth 12D
Idler drive professional turntable system
12D/3 is a three speed unit and the 12D/4 four speed
Description
The Commonwealth type 12D three and four speed turntables have been designed to meet the rigid specification demanded by professional users of microgroove and stereo recordings.
The machines are designed and built to maintain their performance for very long periods of continuous use.
Specifications
Platter: 12" diameter
Weight: 6.5 Lbs
Speeds: 16.66, 33.33, 45.11 and 77.93 rpm
Speed tolerance: 0% to 0.25%
Wow and flutter: less than 0.1% RMS
Rumble: better than -50dB below recorded signal
Downloads
/3 instruction/owners manual (en)
/4 instruction/owners manual (en)
/3 supplement (en)
/4 supplement (en)
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Commonwealth 12D / 12D owners manual, service manuals and schematics are for reference only and the Vinyl Engine bears no responsibility for errors or other inaccuracies. The PDF files are copyright the Vinyl Engine and provided under strict licence. Reproduction for financial gain is strictly prohibited. This website is not affiliated with or sponsored by Commonwealth.