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Hickok 539B Mutual Conductance Tube Tester + CA-5 Adapter - $1,450 (Highlands Ranch)
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$1,450 OBO
Selling vintage Hickok 539B Dynamic Mutual Conductance Tube Tester complete with the desirable Hickok CA-5 Universal Adapter.
The 539B is considered one of Hickok's premier laboratory-grade tube testers and remains highly sought after by tube-audio enthusiasts, vintage radio restorers, amplifier technicians, and serious tube collectors.
Features
Hickok 539B Dynamic Mutual Conductance Tube Tester
Genuine Hickok CA-5 Universal Adapter included
Measures tube transconductance (Micromhos)
Shorts and leakage testing
Multiple tube socket types
Original large Micromhos meter
Original carrying case
Made in USA
Condition
Powers up
Meter movement is free and responsive
All major controls and switches present
Tube sockets appear complete and undamaged
Front panel is clean and highly presentable
Tube data roller chart operates smoothly.
Original CA-5 adapter included in the lid
The exterior case shows normal wear consistent with age and use, including some cabinet covering damage, as shown in the photos.
Important Notes
This is vintage electronic test equipment. The tube tester powers up and meters operate normally. While the tester powers up, I have not performed a complete operational verification or calibration. Due to its age, the instrument is being sold as vintage test equipment and may benefit from routine servicing or calibration at the buyer's discretion.
Ideal For
Tube amplifier restoration
Vintage Hi-Fi equipment
Guitar amp repair
Antique radio restoration
Tube matching and evaluation
Vacuum tube collectors
This is not a common emission-type tester. The Hickok 539B is one of the most respected mutual-conductance testers ever produced and remains a benchmark instrument among tube enthusiasts.
Local pickup in Highlands Ranch, Colorado.