Tube Testers and Test Equipment
Quality Test Instruments for Technicians or Hobbyists
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A signal tracer is one of the most useful test instruments you can own. The uses are endless. This quality Heathkit T2 has been rebuilt and has rebuilt RF/AF probe (probe is not Heathkit, but is custom-built and very nice).
This model is probably the easiest signal tracer to use, extremely simple, no-frills.
- new capacitors (including 500v rated, brand-new electrolytics in the power supply)
- Murata X1Y2 class safety line capacitor
- new polarized line cord
- new 6K6 power output tube
- new output transformer
- all switches properly cleaned for perfect continuity, including AC power switch
- I built a probe for you using the Heathkit T2 design schematic, works great
For simplicity and because one of the transformers was replaced, the signal tracer is now hard-wired as a signal tracer, which means that the seldom-used “substitution” features are not available. Honestly, no one uses those features — such as trying to use the signal tracer as a temporary output transformer, etc. In 20+ years, I never once felt compelled to use a signal tracer in that manner. If anything, eliminating those “features” increases reliability (less chance of burning out the internal transformers) and increases simplicity of use.
Photos below show me using this signal tracer to trace signals in a typical All-American-5 tube radio. (Radio not included, obviously).
powerful 45-AMP Filament transformer 6v – $39 free ship USA
Here is a whopper for your tube projects! A massive 45-amp filament transformer. Nominal input 115vac, nominal output 6.5vac @ 45A. Want to build a massive tube warmer/heater? Now is your chance. With this transformer, you can power the filaments of almost *50* (yes, fifty…) 6L6 tubes at the same time! Size: approx 4L x 3.25W x 4.5H inches.