For sale it’s a variable speed device /adapter that can make Rek O Kut and Fairchild412-1 single speed (33rpm, beltdriven) to work 4-speedturntable (16-78rpm variable).
Please not this adapter only works for belt driven turntable using the Papst motor as demonstrated in pictures (3 or 6 wires out from the motor) such as Rek o Kut K33 and Fairchild412-1A turntable, or other similar turntables.
Also you could get unbelievable stability of any speed of your lovely R-O-K and Fairchild 412 turntable.
It can be operated in US AC power line (90V to 140V) without regard to frequency.
By doing so, a few simple steps to connect the Adapter to your turntable shown in the pictures.
Free shipping within continental USA and 30 days free return. Feel free ask any questions. Help will be provided if you have trouble to make the connection.
The Papst motor in the pictures is for demo only but not for sale!!!.
Update! a pot switch with presetting speeds (16, 33.33, 45 and 78) is added as option. However, the switch shaft is slightly short and may not fit thick plinth board (3/4" woodboard such as some of Fairchild 412).
Buyer can make a notice which you prefer when you check out.