For sale is genuine Collins Giant Variable Motorized Inductor Coil - Roller. The coil is dismantled from never used Collins HF-8040 Antenna Tuner - Coupler, it was backup device.

It's huge motorized coil with cooler fan, it's conservatively declared as 1KW of continual use 24/7, for HAM radio it could be run at few times more power.

HI Quality variable coil, perfect for HI POWER QRO RF Linear Amplifiers, antenna tuners and HF transmitters.

Dimensions: 53x23x23cm









I collect tubes and tube gear for more then 35 years and I start to sell recently, please be sure to check my other items and visit my store and my page for more rare NOS tubes and parts.

If you buy any item on ebay from me and for if you are not fully satisfied for any reason or have any complains, please send me message before leaving negative or neutral feedback or opening a case. I really do care about your satisfaction and I’ll do my best to solve any kind of problem.

I have more than 250000 NOS tubes in stock and just small part is listed here, if you are interested in any specific tube or part, please send me message.


Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.

Please ask me before you buy or bid if you are uncertain. 


Thanks for your interest.